tmp/gemstat.rb
# encoding: utf-8
# Usage:
# update $authors list, and LOCAL_HDOCS (where to put html file generated)
# run this on time by hour/days
# it create mstat directory and memorise commits counts by project (one file by project)
# it create the html file withe webglcode, jquiry code, 3d matrix data (no dependency) ...
#
$authors= %w{wycats markbates jimweirich} # seems the most productives...
$authors1= %w{rdaubarede}
LOCAL_HTDOCS="d:/usr/"
RUBYGEMS="http://rubygems.org"
require 'thread'
require 'json'
require 'nokogiri'
require 'open-uri'
Thread.abort_on_exception=true
############################################################################
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############### Html complete : SurfacePlot + JQuery + scpecific code ##################
$html=<<'EEND'
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>GEMS</title>
<script>
/*
* SurfacePlot.js
* Written by Greg Ross
*/
SurfacePlot = function(container){
this.containerElement = container;
this.redraw = function(){
this.surfacePlot.init();
this.surfacePlot.redraw();
}
};
SurfacePlot.prototype.draw = function(data, options, basicPlotOptions, glOptions){
var xPos = options.xPos;
var yPos = options.yPos;
var w = options.width;
var h = options.height;
var colourGradient = options.colourGradient;
var fillPolygons = basicPlotOptions.fillPolygons;
var tooltips = basicPlotOptions.tooltips;
var renderPoints = basicPlotOptions.renderPoints;
var xTitle = options.xTitle;
var yTitle = options.yTitle;
var zTitle = options.zTitle;
var backColour = options.backColour;
var axisTextColour = options.axisTextColour;
var hideFlatMinPolygons = options.hideFlatMinPolygons;
var tooltipColour = options.tooltipColour;
var origin = options.origin;
var startXAngle_canvas = options.startXAngle;
var startZAngle_canvas = options.startZAngle;
var zAxisTextPosition = options.zAxisTextPosition;
if (this.surfacePlot) {
var isOpenGL = function() {
var openGLSelected = true;
if (glOptions.chkControlId && document.getElementById(glOptions.chkControlId))
openGLSelected = document.getElementById(glOptions.chkControlId).checked;
return openGLSelected;
}
if (glOptions.animate && isOpenGL()) //{
var data = this.createFrames(data, glOptions);
// this.surfacePlot.reRender(data, glOptions);
// return;
// }
// else {
this.surfacePlot.cleanUp();
this.containerElement.innerHTML = "";
// }
startXAngle_canvas = this.surfacePlot.currentXAngle_canvas;
startZAngle_canvas = this.surfacePlot.currentZAngle_canvas;
var rotationMatrix = this.surfacePlot.rotationMatrix;
}
this.surfacePlot = new JSSurfacePlot(xPos, yPos, w, h, colourGradient, this.containerElement,
fillPolygons, tooltips, xTitle, yTitle, zTitle, renderPoints, backColour, axisTextColour,
hideFlatMinPolygons, tooltipColour, origin, startXAngle_canvas, startZAngle_canvas, rotationMatrix, zAxisTextPosition,
glOptions, data);
this.surfacePlot.redraw();
};
Array.prototype.clone = function() {
var arr = this.slice(0);
for( var i = 0; i < this.length; i++ ) {
if( this[i].clone ) {
arr[i] = this[i].clone();
}
}
return arr;
}
SurfacePlot.prototype.createFrames = function(newData, glOptions) {
var currentData = this.surfacePlot.data;
var numRows = newData.nRows;
var numCols = newData.nCols;
var currentValues = this.originalFormattedValues ? this.originalFormattedValues : currentData.formattedValues;
var newValues = newData.formattedValues;
this.originalFormattedValues = newValues.clone();
var self = this;
var canInterpolateFrames = function() {
return currentData.nRows == newData.nRows && currentData.nCols == newData.nCols &&
currentValues.length == newValues.length;
};
var getDiff = function(value1, value2) {
if (value1 == 0)
diff = value2;
else if (value2 == 0)
diff = value1;
else if (value2 > value1)
diff = value2 / value1;
else if (value1 > value2)
diff = value1 / value2;
else
diff = 0;
if (diff < 0)
diff *= -1;
diff -= 1;
return diff;
};
var getMaxZvalueDiff = function() {
var maxDiff = 0;
var diff = 0;
var currentValue, newValue;
for (var i = 0; i < numRows; i++) {
for (var j = 0; j < numCols; j++) {
currentValue = currentValues[i][j];
newValue = newValues[i][j];
var diff = getDiff(newValue, currentValue);
if (diff > maxDiff)
maxDiff = diff;
}
}
return maxDiff;
};
if (canInterpolateFrames) {
var maxDiff = getMaxZvalueDiff();
if (maxDiff <= 0)
return newData;
var numFrames = Math.min(10, Math.floor( maxDiff ));
if (numFrames == 0)
return newData;
var rows = [];
var cols = [];
var frames = [];
for (var f = 0; f < numFrames; f++) {
rows = [];
for (var i = 0; i < numRows; i++) {
cols = [];
for (var j = 0; j < numCols; j++) {
currentValue = currentValues[i][j];
newValue = newValues[i][j];
var diff = newValue - currentValue;
if (diff == 0)
cols.push(newValue);
else {
var increment = (diff / numFrames) * (f+1);
var interpolatedValue = currentValue + increment;
cols.push(interpolatedValue);
}
}
rows.push(cols);
}
frames.push(rows);
}
var dataCopy = JSON.parse(JSON.stringify(newData));
dataCopy.frames = true;
dataCopy.formattedValues = frames;
glOptions.framesPerSecond = 60;
return dataCopy;
}
return newData;
}
SurfacePlot.prototype.getChart = function(){
return this.surfacePlot;
}
SurfacePlot.prototype.cleanUp = function(){
if (this.surfacePlot == null)
return;
this.surfacePlot.cleanUp();
this.surfacePlot = null;
}
JSSurfacePlot = function(x, y, width, height, colourGradient, targetElement, fillRegions, tooltips, xTitle, yTitle, zTitle, renderPoints, backColour,
axisTextColour, hideFlatMinPolygons, tooltipColour, origin, startXAngle_canvas, startZAngle_canvas, rotationMatrix, zAxisTextPosition, glOptions, data){
this.xTitle = xTitle;
this.yTitle = yTitle;
this.zTitle = zTitle;
this.backColour = backColour;
this.axisTextColour = axisTextColour;
this.glOptions = glOptions;
var targetDiv;
var id;
var canvas;
var canvasContext = null;
this.context2D = null;
var scale = JSSurfacePlot.DEFAULT_SCALE;
var zTextPosition = 0.5;
if (startXAngle_canvas != null && startXAngle_canvas != void 0)
this.currentXAngle_canvas = startXAngle_canvas;
else
this.currentXAngle_canvas = JSSurfacePlot.DEFAULT_X_ANGLE_CANVAS;
if (startZAngle_canvas != null && startZAngle_canvas != void 0)
this.currentZAngle_canvas = startZAngle_canvas;
else
this.currentZAngle_canvas = JSSurfacePlot.DEFAULT_Z_ANGLE_CANVAS;
if (rotationMatrix != null && rotationMatrix != void 0)
this.rotationMatrix = rotationMatrix;
else {
this.rotationMatrix = mat4.create();
mat4.identity(this.rotationMatrix);
mat4.rotate(this.rotationMatrix, degToRad(JSSurfacePlot.DEFAULT_X_ANGLE_WEBGL), [1, 0, 0]);
mat4.rotate(this.rotationMatrix, degToRad(JSSurfacePlot.DEFAULT_Y_ANGLE_WEBGL), [0, 0, 1]);
}
if (zAxisTextPosition != null && zAxisTextPosition != void 0)
zTextPosition = zAxisTextPosition;
this.data = data;
var data3ds = null;
var dataframes = null;
var displayValues = null;
this.numXPoints = 0;
this.numYPoints = 0;
var transformation;
var cameraPosition;
var colourGradient;
var mouseDown1 = false;
var mouseDown3 = false;
var mousePosX = null;
var mousePosY = null;
var lastMousePos = new Point(0, 0);
var mouseButton1Up = null;
var mouseButton3Up = null;
var mouseButton1Down = new Point(0, 0);
var mouseButton3Down = new Point(0, 0);
var closestPointToMouse = null;
var xAxisHeader = "";
var yAxisHeader = "";
var zAxisHeader = "";
var xAxisTitleLabel = new Tooltip(true);
var yAxisTitleLabel = new Tooltip(true);
var zAxisTitleLabel = new Tooltip(true);
var tTip = new Tooltip(false, tooltipColour);
this.glSurface = null;
this.glAxes = null;
this.useWebGL = false;
this.gl = null;
this.shaderProgram = null;
this.shaderTextureProgram = null;
this.mvMatrix = mat4.create();
this.mvMatrixStack = [];
this.pMatrix = mat4.create();
var mouseDown = false;
var lastMouseX = null;
var lastMouseY = null;
var canvas_support_checked = false;
var canvas_supported = true;
this.reRender = function(data, glOptions) {
this.bail = true;
this.glOptions = glOptions;
this.data = data;
this.dataToRender = this.data.formattedValues;
this.frames = this.data.frames;
this.determineMinMaxZValues();
if (!this.useWebGL) {
var maxAxisValue = this.nice_num(this.maxZValue);
this.scaleAndNormalise(this.maxZValue / maxAxisValue);
}
else {
if (this.glOptions.autoCalcZScale)
this.calculateZScale();
this.glOptions.xTicksNum = this.glOptions.xLabels.length - 1;
this.glOptions.yTicksNum = this.glOptions.yLabels.length - 1;
this.glOptions.zTicksNum = this.glOptions.zLabels.length - 1;
}
var cGradient;
if (colourGradient)
cGradient = colourGradient;
else
cGradient = getDefaultColourRamp();
this.colourGradientObject = new ColourGradient(this.minZValue, this.maxZValue, cGradient);
var canvasWidth = width;
var canvasHeight = height;
var minMargin = 20;
var drawingDim = canvasWidth - minMargin * 2;
var marginX = minMargin;
var marginY = minMargin;
if (canvasWidth > canvasHeight) {
drawingDim = canvasHeight - minMargin * 2;
marginX = (canvasWidth - drawingDim) / 2;
}
else
if (canvasWidth < canvasHeight) {
drawingDim = canvasWidth - minMargin * 2;
marginY = (canvasHeight - drawingDim) / 2;
}
var xDivision = 1 / (this.numXPoints - 1);
var yDivision = 1 / (this.numYPoints - 1);
var xPos, yPos;
var i, j;
var numPoints = this.numXPoints * this.numYPoints;
data3ds = new Array();
dataframe = new Array();
var index = 0;
var colIndex;
if (this.frames) {
for (var k = 0; k < this.numFrames; k++) {
index = 0;
dataframe = new Array();
for (i = 0, xPos = -0.5; i < this.numXPoints; i++, xPos += xDivision) {
for (j = 0, yPos = 0.5; j < this.numYPoints; j++, yPos -= yDivision) {
var x = xPos;
var y = yPos;
if (this.useWebGL)
colIndex = this.numYPoints - 1 - j;
else
colIndex = j;
dataframe[index] = new Point3D(x, y, this.dataToRender[k][i][colIndex]); // Reverse the y-axis to match the non-webGL surface.
index++;
}
}
data3ds.push(dataframe);
}
}
else {
for (i = 0, xPos = -0.5; i < this.numXPoints; i++, xPos += xDivision) {
for (j = 0, yPos = 0.5; j < this.numYPoints; j++, yPos -= yDivision) {
var x = xPos;
var y = yPos;
if (this.useWebGL)
colIndex = this.numYPoints - 1 - j;
else
colIndex = j;
data3ds[index] = new Point3D(x, y, this.dataToRender[i][colIndex]); // Reverse the y-axis to match the non-webGL surface.
index++;
}
}
}
var r = hexToR(this.backColour) / 255;
var g = hexToG(this.backColour) / 255;
var b = hexToB(this.backColour) / 255;
this.initWorldObjects(data3ds);
this.gl.clearColor(r, g, b, 0); // Set the background colour.
this.gl.enable(this.gl.DEPTH_TEST);
this.allFramesRendered = false;
this.bail = false;
this.tick();
}
function getInternetExplorerVersion() // Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
var rv = -1; // Return value assumes failure.
if (navigator.appName == 'Microsoft Internet Explorer') {
var ua = navigator.userAgent;
var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
if (re.exec(ua) != null)
rv = parseFloat(RegExp.$1);
}
return rv;
}
function supports_canvas(){
if (canvas_support_checked)
return canvas_supported;
canvas_support_checked = true;
canvas_supported = !!document.createElement('canvas').getContext;
return canvas_supported;
}
this.init = function(){
if (id)
targetElement.removeChild(targetDiv);
id = this.allocateId();
transformation = new Th3dtran();
this.createTargetDiv();
if (!targetDiv)
return;
this.dataToRender = this.data.formattedValues;
this.frames = this.data.frames;
this.determineMinMaxZValues();
this.createCanvas();
if (!this.useWebGL) {
var maxAxisValue = this.nice_num(this.maxZValue);
this.scaleAndNormalise(this.maxZValue / maxAxisValue);
}
else {
if (this.glOptions.autoCalcZScale)
this.calculateZScale();
this.glOptions.xTicksNum = this.glOptions.xLabels.length - 1;
this.glOptions.yTicksNum = this.glOptions.yLabels.length - 1;
this.glOptions.zTicksNum = this.glOptions.zLabels.length - 1;
}
};
this.determineMinMaxZValues = function(){
this.numXPoints = this.data.nRows;
this.numYPoints = this.data.nCols;
this.minZValue = Number.MAX_VALUE;
this.maxZValue = Number.MIN_VALUE;
if (this.frames) {
this.numFrames = this.dataToRender.length;
for (var k = 0; k < this.numFrames; k++) {
for (var i = 0; i < this.numXPoints; i++) {
for (var j = 0; j < this.numYPoints; j++) {
var value = this.dataToRender[k][i][j];
if (value < this.minZValue)
this.minZValue = value;
if (value > this.maxZValue)
this.maxZValue = value;
}
}
}
}
else {
for (var i = 0; i < this.numXPoints; i++) {
for (var j = 0; j < this.numYPoints; j++) {
var value = this.dataToRender[i][j];
if (value < this.minZValue)
this.minZValue = value;
if (value > this.maxZValue)
this.maxZValue = value;
}
}
}
}
this.cleanUp = function(){
this.gl = null;
canvas.onmousedown = null;
document.onmouseup = null;
document.onmousemove = null;
this.numXPoints = 0;
this.numYPoints = 0;
canvas = null;
canvasContext = null;
this.data = null;
this.colourGradientObject = null;
this.glSurface = null;
this.glAxes = null;
this.shaderProgram = null;
this.shaderTextureProgram = null;
this.shaderAxesProgram = null;
this.mvMatrix = null;
this.mvMatrixStack = null;
this.pMatrix = null;
}
function hideTooltip(){
tTip.hide();
}
function displayTooltip(e){
var position = new Point(e.x, e.y);
tTip.show(tooltips[closestPointToMouse], 200);
}
this.render = function(){
if (this.useWebGL) // Render shiny WebGL surface plot.
{
var r = hexToR(this.backColour) / 255;
var g = hexToG(this.backColour) / 255;
var b = hexToB(this.backColour) / 255;
this.initWorldObjects(data3ds);
this.gl.clearColor(r, g, b, 0); // Set the background colour.
this.gl.enable(this.gl.DEPTH_TEST);
this.tick();
return;
}
else // Render not quite so shiny non-GL surface-plot.
{
canvasContext.clearRect(0, 0, canvas.width, canvas.height);
canvasContext.fillStyle = this.backColour;
canvasContext.fillRect(0, 0, canvas.width, canvas.height);
var canvasWidth = width;
var canvasHeight = height;
var minMargin = 20;
var drawingDim = canvasWidth - minMargin * 2;
var marginX = minMargin;
var marginY = minMargin;
transformation.init();
transformation.rotate(this.currentXAngle_canvas, 0.0, this.currentZAngle_canvas);
transformation.scale(scale);
if (origin != null && origin != void 0)
transformation.translate(origin.x, origin.y, 0.0);
else
transformation.translate(drawingDim / 2.0 + marginX, drawingDim / 2.0 + marginY, 0.0);
cameraPosition = new Point3D(drawingDim / 2.0 + marginX, drawingDim / 2.0 + marginY, -1000.0);
if (renderPoints) {
for (i = 0; i < data3ds.length; i++) {
var point3d = data3ds[i];
canvasContext.fillStyle = '#ff2222';
var transformedPoint = transformation.ChangeObjectPoint(point3d);
transformedPoint.dist = distance({
x: transformedPoint.ax,
y: transformedPoint.ay
}, {
x: cameraPosition.ax,
y: cameraPosition.ay
});
var x = transformedPoint.ax;
var y = transformedPoint.ay;
canvasContext.beginPath();
var dotSize = JSSurfacePlot.DATA_DOT_SIZE;
canvasContext.arc((x - (dotSize / 2)), (y - (dotSize / 2)), 1, 0, self.Math.PI * 2, true);
canvasContext.fill();
}
}
var axes = this.createAxes();
var polygons = this.createPolygons(data3ds);
for (i = 0; i < axes.length; i++)
polygons[polygons.length] = axes[i];
// Sort the polygons so that the closest ones are rendered last
// and therefore are not occluded by those behind them.
// This is really Painter's algorithm.
polygons.sort(PolygonComaparator);
canvasContext.lineWidth = 1;
canvasContext.strokeStyle = '#888';
canvasContext.lineJoin = "round";
for (i = 0; i < polygons.length; i++) {
var polygon = polygons[i];
if (polygon.isAnAxis()) {
var p1 = polygon.getPoint(0);
var p2 = polygon.getPoint(1);
canvasContext.beginPath();
canvasContext.moveTo(p1.ax, p1.ay);
canvasContext.lineTo(p2.ax, p2.ay);
canvasContext.stroke();
}
else {
var p1 = polygon.getPoint(0);
var p2 = polygon.getPoint(1);
var p3 = polygon.getPoint(2);
var p4 = polygon.getPoint(3);
var colourValue = (p1.lz * 1.0 + p2.lz * 1.0 + p3.lz * 1.0 + p4.lz * 1.0) / 4.0;
var rgbColour = this.colourGradientObject.getColour(colourValue);
var colr = "rgb(" + rgbColour.red + "," + rgbColour.green + "," + rgbColour.blue + ")";
canvasContext.fillStyle = colr;
canvasContext.beginPath();
canvasContext.moveTo(p1.ax, p1.ay);
canvasContext.lineTo(p2.ax, p2.ay);
canvasContext.lineTo(p3.ax, p3.ay);
canvasContext.lineTo(p4.ax, p4.ay);
canvasContext.lineTo(p1.ax, p1.ay);
if (fillRegions)
canvasContext.fill();
else
canvasContext.stroke();
}
}
if (supports_canvas())
this.renderAxisText(axes);
}
};
this.renderAxisText = function(axes){
var xLabelPoint = new Point3D(0.0, 0.5, 0.0);
var yLabelPoint = new Point3D(-0.5, 0.0, 0.0);
var zLabelPoint = new Point3D(-0.5, 0.5, zTextPosition);
var transformedxLabelPoint = transformation.ChangeObjectPoint(xLabelPoint);
var transformedyLabelPoint = transformation.ChangeObjectPoint(yLabelPoint);
var transformedzLabelPoint = transformation.ChangeObjectPoint(zLabelPoint);
var xAxis = axes[0];
var yAxis = axes[1];
var zAxis = axes[2];
canvasContext.fillStyle = this.axisTextColour;
if (xAxis.distanceFromCamera > yAxis.distanceFromCamera) {
var xAxisLabelPosX = transformedxLabelPoint.ax;
var xAxisLabelPosY = transformedxLabelPoint.ay;
canvasContext.fillText(xTitle, xAxisLabelPosX, xAxisLabelPosY);
}
if (xAxis.distanceFromCamera < yAxis.distanceFromCamera) {
var yAxisLabelPosX = transformedyLabelPoint.ax;
var yAxisLabelPosY = transformedyLabelPoint.ay;
canvasContext.fillText(yTitle, yAxisLabelPosX, yAxisLabelPosY);
}
if (xAxis.distanceFromCamera < zAxis.distanceFromCamera) {
var zAxisLabelPosX = transformedzLabelPoint.ax;
var zAxisLabelPosY = transformedzLabelPoint.ay;
canvasContext.fillText(zTitle, zAxisLabelPosX, zAxisLabelPosY);
}
};
var sort = function(array){
var len = array.length;
if (len < 2) {
return array;
}
var pivot = Math.ceil(len / 2);
return merge(sort(array.slice(0, pivot)), sort(array.slice(pivot)));
};
var merge = function(left, right){
var result = [];
while ((left.length > 0) && (right.length > 0)) {
if (left[0].distanceFromCamera < right[0].distanceFromCamera) {
result.push(left.shift());
}
else {
result.push(right.shift());
}
}
result = result.concat(left, right);
return result;
};
this.createAxes = function(){
var axisOrigin = new Point3D(-0.5, 0.5, 0);
var xAxisEndPoint = new Point3D(0.5, 0.5, 0);
var yAxisEndPoint = new Point3D(-0.5, -0.5, 0);
var zAxisEndPoint = new Point3D(-0.5, 0.5, 1);
var transformedAxisOrigin = transformation.ChangeObjectPoint(axisOrigin);
var transformedXAxisEndPoint = transformation.ChangeObjectPoint(xAxisEndPoint);
var transformedYAxisEndPoint = transformation.ChangeObjectPoint(yAxisEndPoint);
var transformedZAxisEndPoint = transformation.ChangeObjectPoint(zAxisEndPoint);
var axes = new Array();
var xAxis = new Polygon(cameraPosition, true);
xAxis.addPoint(transformedAxisOrigin);
xAxis.addPoint(transformedXAxisEndPoint);
xAxis.calculateCentroid();
xAxis.calculateDistance();
axes[axes.length] = xAxis;
var yAxis = new Polygon(cameraPosition, true);
yAxis.addPoint(transformedAxisOrigin);
yAxis.addPoint(transformedYAxisEndPoint);
yAxis.calculateCentroid();
yAxis.calculateDistance();
axes[axes.length] = yAxis;
var zAxis = new Polygon(cameraPosition, true);
zAxis.addPoint(transformedAxisOrigin);
zAxis.addPoint(transformedZAxisEndPoint);
zAxis.calculateCentroid();
zAxis.calculateDistance();
axes[axes.length] = zAxis;
return axes;
};
this.createPolygons = function(data3D){
var i;
var j;
var polygons = new Array();
var index = 0;
for (i = 0; i < this.numXPoints - 1; i++) {
for (j = 0; j < this.numYPoints - 1; j++) {
var polygon = new Polygon(cameraPosition, false);
var rawP1 = data3D[j + (i * this.numYPoints)];
var rawP2 = data3D[j + (i * this.numYPoints) + this.numYPoints];
var rawP3 = data3D[j + (i * this.numYPoints) + this.numYPoints + 1];
var rawP4 = data3D[j + (i * this.numYPoints) + 1];
if (hideFlatMinPolygons &&
(rawP2.lz == this.minZValue || (rawP1.lz == this.minZValue && rawP4.lz == this.minZValue) ||
((rawP4.lz == this.minZValue || rawP3.lz == this.minZValue) && i > 1 && j > 0)))
continue;
var p1 = transformation.ChangeObjectPoint(rawP1);
var p2 = transformation.ChangeObjectPoint(rawP2);
var p3 = transformation.ChangeObjectPoint(rawP3);
var p4 = transformation.ChangeObjectPoint(rawP4);
polygon.addPoint(p1);
polygon.addPoint(p2);
polygon.addPoint(p3);
polygon.addPoint(p4);
polygon.calculateCentroid();
polygon.calculateDistance();
polygons[index] = polygon;
index++;
}
}
return polygons;
};
this.getDefaultColourRamp = function(){
var colour1 = {
red: 0,
green: 0,
blue: 255
};
var colour2 = {
red: 0,
green: 255,
blue: 255
};
var colour3 = {
red: 0,
green: 255,
blue: 0
};
var colour4 = {
red: 255,
green: 255,
blue: 0
};
var colour5 = {
red: 255,
green: 0,
blue: 0
};
return [colour1, colour2, colour3, colour4, colour5];
};
this.redraw = function(){
var cGradient;
if (colourGradient)
cGradient = colourGradient;
else
cGradient = getDefaultColourRamp();
this.colourGradientObject = new ColourGradient(this.minZValue, this.maxZValue, cGradient);
var canvasWidth = width;
var canvasHeight = height;
var minMargin = 20;
var drawingDim = canvasWidth - minMargin * 2;
var marginX = minMargin;
var marginY = minMargin;
if (canvasWidth > canvasHeight) {
drawingDim = canvasHeight - minMargin * 2;
marginX = (canvasWidth - drawingDim) / 2;
}
else
if (canvasWidth < canvasHeight) {
drawingDim = canvasWidth - minMargin * 2;
marginY = (canvasHeight - drawingDim) / 2;
}
var xDivision = 1 / (this.numXPoints - 1);
var yDivision = 1 / (this.numYPoints - 1);
var xPos, yPos;
var i, j;
var numPoints = this.numXPoints * this.numYPoints;
data3ds = new Array();
dataframe = new Array();
var index = 0;
var colIndex;
if (this.frames) {
for (var k = 0; k < this.numFrames; k++) {
index = 0;
dataframe = new Array();
for (i = 0, xPos = -0.5; i < this.numXPoints; i++, xPos += xDivision) {
for (j = 0, yPos = 0.5; j < this.numYPoints; j++, yPos -= yDivision) {
var x = xPos;
var y = yPos;
if (this.useWebGL)
colIndex = this.numYPoints - 1 - j;
else
colIndex = j;
dataframe[index] = new Point3D(x, y, this.dataToRender[k][i][colIndex]); // Reverse the y-axis to match the non-webGL surface.
index++;
}
}
data3ds.push(dataframe);
}
}
else {
for (i = 0, xPos = -0.5; i < this.numXPoints; i++, xPos += xDivision) {
for (j = 0, yPos = 0.5; j < this.numYPoints; j++, yPos -= yDivision) {
var x = xPos;
var y = yPos;
if (this.useWebGL)
colIndex = this.numYPoints - 1 - j;
else
colIndex = j;
data3ds[index] = new Point3D(x, y, this.dataToRender[i][colIndex]); // Reverse the y-axis to match the non-webGL surface.
index++;
}
}
}
this.render();
};
this.allocateId = function(){
var count = 0;
var name = "surfacePlot";
do {
count++;
}
while (document.getElementById(name + count))
return name + count;
};
this.createTargetDiv = function(){
targetDiv = document.createElement("div");
targetDiv.id = id;
targetDiv.className = "surfaceplot";
targetDiv.style.background = '#ffffff';
targetDiv.style.position = 'absolute';
if (!targetElement)
return;//document.body.appendChild(this.targetDiv);
else {
targetDiv.style.position = 'relative';
targetElement.appendChild(targetDiv);
}
targetDiv.style.left = x + "px";
targetDiv.style.top = y + "px";
};
this.getShader = function(id){
var shaderScript = document.getElementById(id);
if (!shaderScript) {
return null;
}
var str = "";
var k = shaderScript.firstChild;
while (k) {
if (k.nodeType == 3) {
str += k.textContent;
}
k = k.nextSibling;
}
var shader;
if (shaderScript.type == "x-shader/x-fragment") {
shader = this.gl.createShader(this.gl.FRAGMENT_SHADER);
}
else
if (shaderScript.type == "x-shader/x-vertex") {
shader = this.gl.createShader(this.gl.VERTEX_SHADER);
}
else {
return null;
}
this.gl.shaderSource(shader, str);
this.gl.compileShader(shader);
if (!this.gl.getShaderParameter(shader, this.gl.COMPILE_STATUS)) {
alert(this.gl.getShaderInfoLog(shader));
return null;
}
return shader;
};
this.createProgram = function(fragmentShaderID, vertexShaderID){
if (this.gl == null)
return null;
var fragmentShader = this.getShader(fragmentShaderID);
var vertexShader = this.getShader(vertexShaderID);
if (fragmentShader == null || vertexShader == null)
return null;
var program = this.gl.createProgram();
this.gl.attachShader(program, vertexShader);
this.gl.attachShader(program, fragmentShader);
this.gl.linkProgram(program);
program.pMatrixUniform = this.gl.getUniformLocation(program, "uPMatrix");
program.mvMatrixUniform = this.gl.getUniformLocation(program, "uMVMatrix");
program.nMatrixUniform = this.gl.getUniformLocation(program, "uNMatrix");
program.axesColour = this.gl.getUniformLocation(program, "uAxesColour");
program.ambientColorUniform = this.gl.getUniformLocation(program, "uAmbientColor");
program.lightingDirectionUniform = this.gl.getUniformLocation(program, "uLightingDirection");
program.directionalColorUniform = this.gl.getUniformLocation(program, "uDirectionalColor");
return program;
};
this.initShaders = function(){
if (this.gl == null)
return false;
// Non-texture shaders
this.shaderProgram = this.createProgram("shader-fs", "shader-vs");
// Texture shaders
this.shaderTextureProgram = this.createProgram("texture-shader-fs", "texture-shader-vs");
// Axes shaders
this.shaderAxesProgram = this.createProgram("axes-shader-fs", "axes-shader-vs");
if (!this.gl.getProgramParameter(this.shaderProgram, this.gl.LINK_STATUS)) {
return false;
}
return true;
};
this.mvPushMatrix = function(surfacePlot){
var copy = mat4.create();
mat4.set(surfacePlot.mvMatrix, copy);
surfacePlot.mvMatrixStack.push(copy);
};
this.mvPopMatrix = function(surfacePlot){
if (surfacePlot.mvMatrixStack.length == 0) {
throw "Invalid popMatrix!";
}
surfacePlot.mvMatrix = surfacePlot.mvMatrixStack.pop();
};
this.setMatrixUniforms = function(program, pMatrix, mvMatrix){
this.gl.uniformMatrix4fv(program.pMatrixUniform, false, pMatrix);
this.gl.uniformMatrix4fv(program.mvMatrixUniform, false, mvMatrix);
var normalMatrix = mat3.create();
mat4.toInverseMat3(mvMatrix, normalMatrix);
mat3.transpose(normalMatrix);
this.gl.uniformMatrix3fv(program.nMatrixUniform, false, normalMatrix);
};
this.initWorldObjects = function(data3D){
if (this.frames) {
this.glSurface = new GLSurface(data3D[0], this);
this.glAxes = new GLAxes(data3D[0], this);
}
else {
this.glSurface = new GLSurface(data3D, this);
this.glAxes = new GLAxes(data3D, this);
}
};
// WebGL mouse handlers:
var shiftPressed = false;
this.handleMouseUp = function(event){
mouseDown = false;
};
this.drawScene = function(){
this.mvPushMatrix(this);
this.gl.useProgram(this.shaderProgram);
// Enable the vertex arrays for the current shader.
this.shaderProgram.vertexPositionAttribute = this.gl.getAttribLocation(this.shaderProgram, "aVertexPosition");
this.gl.enableVertexAttribArray(this.shaderProgram.vertexPositionAttribute);
this.shaderProgram.vertexNormalAttribute = this.gl.getAttribLocation(this.shaderProgram, "aVertexNormal");
this.gl.enableVertexAttribArray(this.shaderProgram.vertexNormalAttribute);
this.shaderProgram.vertexColorAttribute = this.gl.getAttribLocation(this.shaderProgram, "aVertexColor");
this.gl.enableVertexAttribArray(this.shaderProgram.vertexColorAttribute);
this.gl.viewport(0, 0, this.gl.viewportWidth, this.gl.viewportHeight);
this.gl.clear(this.gl.COLOR_BUFFER_BIT | this.gl.DEPTH_BUFFER_BIT);
mat4.perspective(5, this.gl.viewportWidth / this.gl.viewportHeight, 0.1, 100.0, this.pMatrix);
mat4.identity(this.mvMatrix);
mat4.translate(this.mvMatrix, [0.0, -0.3, -19.0]);
mat4.multiply(this.mvMatrix, this.rotationMatrix);
var useLighting = true;
if (useLighting) {
this.gl.uniform3f(this.shaderProgram.ambientColorUniform, 0.2, 0.2, 0.2);
var lightingDirection = [0.0, 0.0, 1.0];
var adjustedLD = vec3.create();
vec3.normalize(lightingDirection, adjustedLD);
vec3.scale(adjustedLD, -1);
this.gl.uniform3fv(this.shaderProgram.lightingDirectionUniform, adjustedLD);
this.gl.uniform3f(this.shaderProgram.directionalColorUniform, 0.8, 0.8, 0.8);
}
// Disable the vertex arrays for the current shader.
this.gl.disableVertexAttribArray(this.shaderProgram.vertexPositionAttribute);
this.gl.disableVertexAttribArray(this.shaderProgram.vertexNormalAttribute);
this.gl.disableVertexAttribArray(this.shaderProgram.vertexColorAttribute);
this.glAxes.draw();
if (this.frames && !this.allFramesRendered) {
var timeNow = new Date().getTime();
elapsed = timeNow - lastTime;
if (elapsed > 1000/this.glOptions.framesPerSecond) {
if (!this.currentFrame) {
this.currentFrame = 1;
}
this.glSurface.updateSurface(data3ds[this.currentFrame]);
if (this.currentFrame < this.numFrames - 1)
this.currentFrame++;
else {
this.allFramesRendered = true;
this.currentFrame = 0;
}
lastTime = timeNow;
}
}
this.glSurface.draw();
this.mvPopMatrix(this);
};
var lastTime = 0;
var elapsed = 0;
this.tick = function(){
var self = this;
if (this.gl == null)
return;
var animator = function(){
if (self.gl == null || self.bail)
return;
self.drawScene();
requestAnimFrame(animator);
};
requestAnimFrame(animator);
};
this.isWebGlEnabled = function(){
var enabled = true;
if (this.glOptions.chkControlId && document.getElementById(this.glOptions.chkControlId))
enabled = document.getElementById(this.glOptions.chkControlId).checked;
return enabled && this.initShaders();
};
this.rotate = function(deltaX, deltaY){
var newRotationMatrix = mat4.create();
mat4.identity(newRotationMatrix);
mat4.rotate(newRotationMatrix, degToRad(deltaX / 2), [0, 1, 0]);
mat4.rotate(newRotationMatrix, degToRad(deltaY / 2), [1, 0, 0]);
mat4.multiply(newRotationMatrix, this.rotationMatrix, this.rotationMatrix);
}
this.handleMouseMove = function(event, context){
if (!mouseDown) {
return;
}
var newX = event.clientX;
var newY = event.clientY;
var deltaX = newX - lastMouseX;
var deltaY = newY - lastMouseY;
var newRotationMatrix = mat4.create();
mat4.identity(newRotationMatrix);
if (shiftPressed) // scale
{
var s = deltaY < 0 ? 1.05 : 0.95;
mat4.scale(newRotationMatrix, [s, s, s]);
mat4.multiply(newRotationMatrix, this.rotationMatrix, this.rotationMatrix);
}
else // rotate
{
mat4.rotate(newRotationMatrix, degToRad(deltaX / 2), [0, 1, 0]);
mat4.rotate(newRotationMatrix, degToRad(deltaY / 2), [1, 0, 0]);
mat4.multiply(newRotationMatrix, this.rotationMatrix, this.rotationMatrix);
if (this.otherPlots) {
var numPlots = this.otherPlots.length;
for (var i = 0; i < numPlots; i++) {
this.otherPlots[i].rotate(deltaX, deltaY);
}
}
}
lastMouseX = newX;
lastMouseY = newY;
};
this.initGL = function(canvas){
var canUseWebGL = false;
try {
this.gl = canvas.getContext("experimental-webgl", {
alpha: false
});
this.gl.viewportWidth = canvas.width;
this.gl.viewportHeight = canvas.height;
}
catch (e) {
}
if (this.gl) {
canUseWebGL = this.isWebGlEnabled();
var self = this;
var handleMouseDown = function(event){
shiftPressed = isShiftPressed(event);
mouseDown = true;
lastMouseX = event.clientX;
lastMouseY = event.clientY;
document.onmouseup = self.handleMouseUp;
document.onmousemove = function(event){
self.handleMouseMove(event, self)
};//self.handleMouseMove;
};
canvas.onmousedown = handleMouseDown;
document.onmouseup = this.handleMouseUp;
document.onmousemove = function(event){
self.handleMouseMove(event, self)
};//this.handleMouseMove;
}
return canUseWebGL;
};
this.initCanvas = function(){
canvas.className = "surfacePlotCanvas";
canvas.setAttribute("width", width);
canvas.setAttribute("height", height);
canvas.style.left = '0px';
canvas.style.top = '0px';
targetDiv.appendChild(canvas);
};
this.scaleAndNormalise = function(scaleFactor){
if (this.frames) {
// Need to clone the data.
var values = this.data.formattedValues.slice(0);
var numRows = this.data.nRows;
for (var i = 0; i < this.numFrames; i++) {
values[i] = this.data.formattedValues[i].slice(0);
for (var j = 0; j < numRows; j++)
values[i][j] = this.data.formattedValues[i][j].slice(0);
}
// Now, do the scaling.
var numRows = values[0].length;
var numCols = values[0][0].length;
for (var k = 0; k < this.numFrames; k++)
for (var i = 0; i < numRows; i++)
for (var j = 0; j < numCols; j++)
values[k][i][j] = (values[k][i][j] / this.maxZValue) * scaleFactor;
this.dataToRender = values;
}
else {
// Need to clone the data.
var values = this.data.formattedValues.slice(0);
var numRows = this.data.nRows;
for (var i = 0; i < numRows; i++)
values[i] = this.data.formattedValues[i].slice(0);
// Now, do the scaling.
var numRows = values.length;
var numCols = values[0].length;
for (var i = 0; i < numRows; i++)
for (var j = 0; j < numCols; j++)
values[i][j] = (values[i][j] / this.maxZValue) * scaleFactor;
this.dataToRender = values;
}
// Recalculate the new min and max values.
this.determineMinMaxZValues();
}
this.log = function(base, value){
return Math.log(value) / Math.log(base);
}
this.nice_num = function(x, round){
var exp = Math.floor(log(10, x));
var f = x / Math.pow(10, exp);
var nf;
if (round) {
if (f < 1.5)
nf = 1;
else
if (f < 3)
nf = 2;
else
if (f < 7)
nf = 5;
else
nf = 10;
}
else {
if (f <= 1)
nf = 1;
else
if (f <= 2)
nf = 2;
else
if (f <= 5)
nf = 5;
else
nf = 10;
}
return nf * Math.pow(10, exp);
}
this.calculateZScale = function(){
// Calculate the z-axis labels.
var maxAxisValue = this.nice_num(this.maxZValue);
var labels = [];
var ticks = 10;
var interval = maxAxisValue / ticks;
var rounded2dp;
for (var i = 0; i <= ticks; i++) {
rounded2dp = Math.round(i * interval * 100) / 100;
labels.push(rounded2dp);
}
this.glOptions.zLabels = labels;
// Scale the values accordingly.
var scaleFactor = this.maxZValue / maxAxisValue;
this.scaleAndNormalise(scaleFactor);
}
this.createCanvas = function(){
canvas = document.createElement("canvas");
if (!supports_canvas()) {
G_vmlCanvasManager.initElement(canvas);
canvas.style.width = width;
canvas.style.height = height;
}
else {
this.initCanvas();
this.useWebGL = this.initGL(canvas);
}
if (!this.useWebGL) {
targetDiv.removeChild(canvas);
canvas = document.createElement("canvas");
this.initCanvas();
canvasContext = canvas.getContext("2d");
canvasContext.font = "bold 18px sans-serif";
canvasContext.clearRect(0, 0, canvas.width, canvas.height);
canvasContext.fillStyle = '#000';
canvasContext.fillRect(0, 0, canvas.width, canvas.height);
canvasContext.beginPath();
canvasContext.rect(0, 0, canvas.width, canvas.height);
canvasContext.strokeStyle = '#888';
canvasContext.stroke();
canvas.owner = this;
canvas.onmousemove = this.mouseIsMoving;
canvas.onmouseout = hideTooltip;
canvas.onmousedown = this.mouseDownd;
canvas.onmouseup = this.mouseUpd;
canvas.addEventListener("touchstart", this.mouseDownd, false);
canvas.addEventListener("touchmove", this.mouseIsMoving, false);
canvas.addEventListener("touchend", this.mouseUpd, false);
canvas.addEventListener("touchcancel", hideTooltip, false);
}
else
this.createHiddenCanvasForGLText();
};
this.createHiddenCanvasForGLText = function(){
var hiddenCanvas = document.createElement("canvas");
hiddenCanvas.setAttribute("width", 512);
hiddenCanvas.setAttribute("height", 512);
this.context2D = hiddenCanvas.getContext('2d');
hiddenCanvas.style.display = 'none';
targetDiv.appendChild(hiddenCanvas);
};
// Mouse events for the non-webGL version of the surface plot.
this.mouseDownd = function(e){
if (isShiftPressed(e)) {
mouseDown3 = true;
mouseButton3Down = getMousePositionFromEvent(e);
}
else {
mouseDown1 = true;
mouseButton1Down = getMousePositionFromEvent(e);
}
};
this.mouseUpd = function(e){
if (mouseDown1) {
mouseButton1Up = lastMousePos;
}
else
if (mouseDown3) {
mouseButton3Up = lastMousePos;
}
mouseDown1 = false;
mouseDown3 = false;
};
this.mouseIsMoving = function(e){
var self = e.target.owner;
var currentPos = getMousePositionFromEvent(e);
if (mouseDown1) {
hideTooltip();
self.calculateRotation(currentPos);
}
else
if (mouseDown3) {
hideTooltip();
self.calculateScale(currentPos);
}
else {
closestPointToMouse = null;
var closestDist = Number.MAX_VALUE;
for (var i = 0; i < data3ds.length; i++) {
var point = data3ds[i];
var dist = distance({
x: point.ax,
y: point.ay
}, currentPos);
if (dist < closestDist) {
closestDist = dist;
closestPointToMouse = i;
}
}
if (closestDist > 32) {
hideTooltip();
return;
}
displayTooltip(currentPos);
}
return false;
};
function isShiftPressed(e){
var shiftPressed = 0;
if (parseInt(navigator.appVersion) > 3) {
var evt = navigator.appName == "Netscape" ? e : event;
if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 4) {
// NETSCAPE 4 CODE
var mString = (e.modifiers + 32).toString(2).substring(3, 6);
shiftPressed = (mString.charAt(0) == "1");
}
else {
// NEWER BROWSERS [CROSS-PLATFORM]
shiftPressed = evt.shiftKey;
}
if (shiftPressed)
return true;
}
return false;
}
function getMousePositionFromEvent(e){
if (getInternetExplorerVersion() > -1) {
var e = window.event;
if (e.srcElement.getAttribute('Stroked')) {
if (mousePosX == null || mousePosY == null)
return;
}
else {
mousePosX = e.offsetX;
mousePosY = e.offsetY;
}
}
else
if (e.layerX || e.layerX == 0) // Firefox
{
mousePosX = e.layerX;
mousePosY = e.layerY;
}
else if (e.offsetX || e.offsetX == 0) // Opera
{
mousePosX = e.offsetX;
mousePosY = e.offsetY;
}
else if (e.touches[0].pageX || e.touches[0].pageX == 0) //touch events
{
mousePosX = e.touches[0].pageX;
mousePosY = e.touches[0].pageY;
}
var currentPos = new Point(mousePosX, mousePosY);
return currentPos;
}
this.calculateRotation = function(e){
lastMousePos = new Point(this.currentZAngle_canvas, this.currentXAngle_canvas);
if (mouseButton1Up == null) {
mouseButton1Up = new Point(this.currentZAngle_canvas, this.currentXAngle_canvas);
}
if (mouseButton1Down != null) {
lastMousePos = new Point(mouseButton1Up.x + (mouseButton1Down.x - e.x),//
mouseButton1Up.y + (mouseButton1Down.y - e.y));
}
this.currentZAngle_canvas = lastMousePos.x % 360;
this.currentXAngle_canvas = lastMousePos.y % 360;
closestPointToMouse = null;
this.render();
};
this.calculateScale = function(e){
lastMousePos = new Point(0, JSSurfacePlot.DEFAULT_SCALE / JSSurfacePlot.SCALE_FACTOR);
if (mouseButton3Up == null) {
mouseButton3Up = new Point(0, JSSurfacePlot.DEFAULT_SCALE / JSSurfacePlot.SCALE_FACTOR);
}
if (mouseButton3Down != null) {
lastMousePos = new Point(mouseButton3Up.x + (mouseButton3Down.x - e.x),//
mouseButton3Up.y + (mouseButton3Down.y - e.y));
}
scale = lastMousePos.y * JSSurfacePlot.SCALE_FACTOR;
if (scale < JSSurfacePlot.MIN_SCALE)
scale = JSSurfacePlot.MIN_SCALE + 1;
else
if (scale > JSSurfacePlot.MAX_SCALE)
scale = JSSurfacePlot.MAX_SCALE - 1;
lastMousePos.y = scale / JSSurfacePlot.SCALE_FACTOR;
closestPointToMouse = null;
this.render();
};
this.init();
};
GLText = function(data3D, text, pos, angle, surfacePlot, axis, align){
this.shaderTextureProgram = surfacePlot.shaderTextureProgram;
this.currenShader = null;
this.gl = surfacePlot.gl;
this.setMatrixUniforms = surfacePlot.setMatrixUniforms;
this.vertexTextureCoordBuffer = null;
this.textureVertexPositionBuffer = null;
this.textureVertexIndexBuffer = null;
this.context2D = surfacePlot.context2D;
this.mvPushMatrix = surfacePlot.mvPushMatrix;
this.mvPopMatrix = surfacePlot.mvPopMatrix;
this.texture;
this.text = text;
this.angle = angle;
this.pos = pos;
this.surfacePlot = surfacePlot;
this.textMetrics = null;
this.axis = axis;
this.align = align;
this.setUpTextArea = function(){
this.context2D.font = 'normal 28px Verdana';
this.context2D.fillStyle = 'rgba(255,255,255,0)';
this.context2D.fillRect(0, 0, 512, 512);
this.context2D.lineWidth = 3;
this.context2D.textAlign = 'left';
this.context2D.textBaseline = 'top';
};
this.writeTextToCanvas = function(text, idx){
this.context2D.save();
this.context2D.clearRect(0, 0, 512, 512);
this.context2D.fillStyle = 'rgba(255, 255, 255, 0)';
this.context2D.fillRect(0, 0, 512, 512);
var r = hexToR(this.surfacePlot.axisTextColour);
var g = hexToG(this.surfacePlot.axisTextColour);
var b = hexToB(this.surfacePlot.axisTextColour);
this.context2D.fillStyle = 'rgba(' + r + ', ' + g + ', ' + b + ', 255)'; // Set the axis label colour.
this.textMetrics = this.context2D.measureText(text);
if (this.axis == "y" || this.align == "left")
this.context2D.fillText(text, 0, 0);
else
if (!this.align)
this.context2D.fillText(text, 512 - this.textMetrics.width, 0);
if (this.align == "centre")
this.context2D.fillText(text, 256 - this.textMetrics.width / 2, 0);
if (this.align == "right")
this.context2D.fillText(text, 512 - this.textMetrics.width, 0);
this.setTextureFromCanvas(this.context2D.canvas, this.texture, 0);
this.context2D.restore();
};
this.setTextureFromCanvas = function(canvas, textTexture, idx){
this.gl.activeTexture(this.gl.TEXTURE0 + idx);
this.gl.bindTexture(this.gl.TEXTURE_2D, textTexture);
this.gl.pixelStorei(this.gl.UNPACK_FLIP_Y_WEBGL, true);
this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, canvas);
if (isPowerOfTwo(canvas.width) && isPowerOfTwo(canvas.height)) {
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MAG_FILTER, this.gl.NEAREST);
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.NEAREST);
}
else {
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.LINEAR);
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, this.gl.CLAMP_TO_EDGE);
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, this.gl.CLAMP_TO_EDGE);
}
this.gl.bindTexture(this.gl.TEXTURE_2D, textTexture);
};
function isPowerOfTwo(value){
return ((value & (value - 1)) == 0);
}
this.initTextBuffers = function(){
// Text texture vertices
this.textureVertexPositionBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.textureVertexPositionBuffer);
this.textureVertexPositionBuffer.itemSize = 3;
this.textureVertexPositionBuffer.numItems = 4;
this.shaderTextureProgram.textureCoordAttribute = this.gl.getAttribLocation(this.shaderTextureProgram, "aTextureCoord");
this.gl.vertexAttribPointer(this.shaderTextureProgram.textureCoordAttribute, this.textureVertexPositionBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.textureVertexPositionBuffer);
// Where we render the text.
var texturePositionCoords = [-0.5, -0.5, 0.5, 0.5, -0.5, 0.5, 0.5, 0.5, 0.5, -0.5, 0.5, 0.5];
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(texturePositionCoords), this.gl.STATIC_DRAW);
// Texture index buffer.
this.textureVertexIndexBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER, this.textureVertexIndexBuffer);
var textureVertexIndices = [0, 1, 2, 0, 2, 3];
this.gl.bufferData(this.gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(textureVertexIndices), this.gl.STATIC_DRAW);
this.textureVertexIndexBuffer.itemSize = 1;
this.textureVertexIndexBuffer.numItems = 6;
// Text textures
this.vertexTextureCoordBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.vertexTextureCoordBuffer);
this.vertexTextureCoordBuffer.itemSize = 2;
this.vertexTextureCoordBuffer.numItems = 4;
this.gl.vertexAttribPointer(this.shaderTextureProgram.textureCoordAttribute, this.vertexTextureCoordBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.vertexTextureCoordBuffer);
var textureCoords = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0];
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(textureCoords), this.gl.STATIC_DRAW);
};
this.initTextBuffers();
this.setUpTextArea();
this.texture = this.gl.createTexture();
this.writeTextToCanvas(this.text, this.idx);
};
GLText.prototype.draw = function(){
this.mvPushMatrix(this.surfacePlot);
var rotationMatrix = mat4.create();
mat4.identity(rotationMatrix);
if (this.axis == "y") {
mat4.translate(rotationMatrix, [0.0, 0.5, 0.5]);
mat4.translate(rotationMatrix, [this.pos.x + 0.53, this.pos.y + 0.6, this.pos.z - 0.5]);
mat4.rotate(rotationMatrix, degToRad(this.angle), [1, 0, 0]);
mat4.translate(rotationMatrix, [0.0, -0.5, -0.5]);
}
else
if (this.axis == "x") {
mat4.translate(rotationMatrix, [0.5, 0.5, 0.0]);
mat4.translate(rotationMatrix, [this.pos.x - 0.5, this.pos.y + 0.47, this.pos.z - 0.5]);
mat4.rotate(rotationMatrix, degToRad(this.angle), [0, 0, 1]);
mat4.translate(rotationMatrix, [-0.5, -0.5, 0]);
}
else
if (this.axis == "z" && this.align == "centre") // Main Z-axis label.
{
mat4.translate(rotationMatrix, [0.0, 0.5, 0.5]);
mat4.translate(rotationMatrix, [this.pos.x - 0.3, this.pos.y + 0.5, this.pos.z - 0.5]);
mat4.rotate(rotationMatrix, degToRad(this.angle), [1, 0, 0]);
mat4.rotate(rotationMatrix, degToRad(this.angle), [0, 0, 1]);
mat4.translate(rotationMatrix, [0.0, -0.5, -0.5]);
}
else
if (this.axis == "z" && !this.align) {
mat4.translate(rotationMatrix, [0.0, 0.5, 0.5]);
mat4.translate(rotationMatrix, [this.pos.x - 0.53, this.pos.y + 0.5, this.pos.z - 0.5]);
mat4.rotate(rotationMatrix, degToRad(this.angle), [1, 0, 0]);
mat4.translate(rotationMatrix, [0.0, -0.5, -0.5]);
}
mat4.multiply(this.surfacePlot.mvMatrix, rotationMatrix);
// Enable blending for transparency.
this.gl.blendFunc(this.gl.SRC_ALPHA, this.gl.ONE_MINUS_SRC_ALPHA);
this.gl.enable(this.gl.BLEND);
this.gl.disable(this.gl.DEPTH_TEST);
// Text
this.currentShader = this.shaderTextureProgram;
this.gl.useProgram(this.currentShader);
// Enable the vertex arrays for the current shader.
this.currentShader.vertexPositionAttribute = this.gl.getAttribLocation(this.currentShader, "aVertexPosition");
this.gl.enableVertexAttribArray(this.currentShader.vertexPositionAttribute);
this.currentShader.textureCoordAttribute = this.gl.getAttribLocation(this.currentShader, "aTextureCoord");
this.gl.enableVertexAttribArray(this.currentShader.textureCoordAttribute);
this.shaderTextureProgram.samplerUniform = this.gl.getUniformLocation(this.shaderTextureProgram, "uSampler");
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.textureVertexPositionBuffer);
this.gl.vertexAttribPointer(this.currentShader.vertexPositionAttribute, this.textureVertexPositionBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.vertexTextureCoordBuffer);
this.gl.vertexAttribPointer(this.currentShader.textureCoordAttribute, this.vertexTextureCoordBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindTexture(this.gl.TEXTURE_2D, this.texture);
this.gl.uniform1i(this.currentShader.samplerUniform, 0);
this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER, this.textureVertexIndexBuffer);
this.setMatrixUniforms(this.currentShader, this.surfacePlot.pMatrix, this.surfacePlot.mvMatrix);
this.gl.drawElements(this.gl.TRIANGLES, this.textureVertexIndexBuffer.numItems, this.gl.UNSIGNED_SHORT, 0);
// Disable blending for transparency.
this.gl.disable(this.gl.BLEND);
this.gl.enable(this.gl.DEPTH_TEST);
// Disable the vertex arrays for the current shader.
this.gl.disableVertexAttribArray(this.currentShader.vertexPositionAttribute);
this.gl.disableVertexAttribArray(this.currentShader.textureCoordAttribute);
this.mvPopMatrix(this.surfacePlot);
};
/*
* This class represents the axes for the webGL plot.
*/
GLAxes = function(data3D, surfacePlot){
this.shaderProgram = surfacePlot.shaderAxesProgram;
this.currenShader = null;
this.gl = surfacePlot.gl;
this.numXPoints = surfacePlot.numXPoints;
this.numYPoints = surfacePlot.numYPoints;
this.data3D = data3D;
this.setMatrixUniforms = surfacePlot.setMatrixUniforms;
this.axesVertexPositionBuffer = null;
this.axesMinorVertexPositionBuffer = null;
this.surfaceVertexColorBuffer = null;
this.surfacePlot = surfacePlot;
this.labels = [];
this.initAxesBuffers = function(){
var vertices = [];
var minorVertices = [];
var axisExtent = 0.5;
var axisOrigin = [-axisExtent, axisExtent, 0];
var xAxisEndPoint = [axisExtent, axisExtent, 0];
var yAxisEndPoint = [-axisExtent, -axisExtent, 0];
var zAxisEndPoint = [-axisExtent, axisExtent, axisExtent * 2];
var xAxisEndPoint2 = [axisExtent, -axisExtent, 0];
var zAxisEndPoint2 = [-axisExtent, -axisExtent, axisExtent * 2];
// X
vertices = vertices.concat(yAxisEndPoint);
vertices = vertices.concat(xAxisEndPoint2);
// Y
vertices = vertices.concat(xAxisEndPoint2);
vertices = vertices.concat(xAxisEndPoint);
// Z2
vertices = vertices.concat(yAxisEndPoint);
vertices = vertices.concat(zAxisEndPoint2);
// Major axis lines.
this.axesVertexPositionBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.axesVertexPositionBuffer);
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(vertices), this.gl.DYNAMIC_DRAW);
this.axesVertexPositionBuffer.itemSize = 3;
this.axesVertexPositionBuffer.numItems = vertices.length / 3;
// Minor axis lines
var lineIntervalX = axisExtent / (this.surfacePlot.glOptions.xTicksNum / 2);
var lineIntervalY = axisExtent / (this.surfacePlot.glOptions.yTicksNum / 2);
var lineIntervalZ = axisExtent / (this.surfacePlot.glOptions.zTicksNum / 2);
var i = 0;
// X-axis division lines
for (var count = 0; count <= this.surfacePlot.glOptions.xTicksNum; i += lineIntervalX, count++) {
// X-axis labels.
var labels = this.surfacePlot.glOptions.xLabels;
var label = labels[count];
labelPos = {
x: yAxisEndPoint[0] + i - 0.02,
y: yAxisEndPoint[1] - 1,
z: yAxisEndPoint[2]
};
glText = new GLText(data3D, label, labelPos, 90, surfacePlot, "x");
this.labels.push(glText);
// X-axis divisions.
minorVertices = minorVertices.concat([axisOrigin[0] + i, axisOrigin[1], axisOrigin[2]]);
minorVertices = minorVertices.concat([yAxisEndPoint[0] + i, yAxisEndPoint[1], yAxisEndPoint[2]]);
// back wall x-axis divisions.
minorVertices = minorVertices.concat([axisOrigin[0] + i, axisOrigin[1], 0]);
minorVertices = minorVertices.concat([axisOrigin[0] + i, axisOrigin[1], axisExtent * 2]);
}
i = 0;
// Y-axis division lines
for (var count = 0; count <= this.surfacePlot.glOptions.yTicksNum; i += lineIntervalY, count++) {
// Y-axis labels.
var labels = this.surfacePlot.glOptions.yLabels;
var label = labels[this.surfacePlot.glOptions.yTicksNum - count];
labelPos = {
x: xAxisEndPoint[0],
y: xAxisEndPoint[1] - i - 1.06,
z: xAxisEndPoint[2]
};
glText = new GLText(data3D, label, labelPos, 0, surfacePlot, "y");
this.labels.push(glText);
// y-axis divisions
minorVertices = minorVertices.concat([axisOrigin[0], axisOrigin[1] - i, axisOrigin[2]]);
minorVertices = minorVertices.concat([xAxisEndPoint[0], xAxisEndPoint[1] - i, xAxisEndPoint[2]]);
// left wall y-axis divisions.
minorVertices = minorVertices.concat([axisOrigin[0], axisOrigin[1] - i, 0]);
minorVertices = minorVertices.concat([axisOrigin[0], axisOrigin[1] - i, axisExtent * 2]);
}
i = 0;
// Z-axis division lines
for (var count = 0; count <= this.surfacePlot.glOptions.zTicksNum; i += lineIntervalZ, count++) {
// Z-axis labels.
var labels = this.surfacePlot.glOptions.zLabels;
var label = labels[count];
var labelPos = {
x: yAxisEndPoint[0],
y: yAxisEndPoint[1] - 1,
z: yAxisEndPoint[2] + i + 0.03
};
var glText = new GLText(data3D, label, labelPos, 90, surfacePlot, "z");
this.labels.push(glText);
// Z-axis divisions
minorVertices = minorVertices.concat([axisOrigin[0], axisOrigin[1], axisOrigin[2] + i]);
minorVertices = minorVertices.concat([yAxisEndPoint[0], yAxisEndPoint[1], yAxisEndPoint[2] + i]);
// back wall z-axis divisions
minorVertices = minorVertices.concat([axisOrigin[0], axisOrigin[1], axisOrigin[2] + i]);
minorVertices = minorVertices.concat([xAxisEndPoint[0], xAxisEndPoint[1], xAxisEndPoint[2] + i]);
}
// Set up the main X-axis label.
var labelPos = {
x: 0.5,
y: yAxisEndPoint[1] - 1.35,
z: yAxisEndPoint[2]
};
var glText = new GLText(data3D, this.surfacePlot.xTitle, labelPos, 0, surfacePlot, "x", "centre");
this.labels.push(glText);
// Set up the main Y-axis label.
labelPos = {
x: xAxisEndPoint[0] + 0.2,
y: -0.5,
z: xAxisEndPoint[2]
};
glText = new GLText(data3D, this.surfacePlot.yTitle, labelPos, 90, surfacePlot, "x", "centre");
this.labels.push(glText);
// Set up the main Z-axis label.
labelPos = {
x: yAxisEndPoint[0],
y: yAxisEndPoint[1] - 1,
z: 0.5
};
glText = new GLText(data3D, this.surfacePlot.zTitle, labelPos, 90, surfacePlot, "z", "centre");
this.labels.push(glText);
// Set up the minor axis grid lines.
this.axesMinorVertexPositionBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.axesMinorVertexPositionBuffer);
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(minorVertices), this.gl.DYNAMIC_DRAW);
this.axesMinorVertexPositionBuffer.itemSize = 3;
this.axesMinorVertexPositionBuffer.numItems = minorVertices.length / 3;
};
this.initAxesBuffers();
};
GLAxes.prototype.draw = function(){
this.currentShader = this.shaderProgram;
this.gl.useProgram(this.currentShader);
// Enable the vertex array for the current shader.
this.currentShader.vertexPositionAttribute = this.gl.getAttribLocation(this.currentShader, "aVertexPosition");
this.gl.enableVertexAttribArray(this.currentShader.vertexPositionAttribute);
this.gl.uniform3f(this.currentShader.axesColour, 0.0, 0.0, 0.0); // Set the colour of the Major axis lines.
// Major axis lines
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.axesVertexPositionBuffer);
this.gl.vertexAttribPointer(this.currentShader.vertexPositionAttribute, this.axesVertexPositionBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.lineWidth(2);
this.setMatrixUniforms(this.currentShader, this.surfacePlot.pMatrix, this.surfacePlot.mvMatrix);
this.gl.drawArrays(this.gl.LINES, 0, this.axesVertexPositionBuffer.numItems);
// Minor axis lines
this.gl.uniform3f(this.currentShader.axesColour, 0.3, 0.3, 0.3); // Set the colour of the minor axis grid lines.
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.axesMinorVertexPositionBuffer);
this.gl.vertexAttribPointer(this.currentShader.vertexPositionAttribute, this.axesMinorVertexPositionBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.lineWidth(1);
this.gl.drawArrays(this.gl.LINES, 0, this.axesMinorVertexPositionBuffer.numItems);
// Render the axis labels.
var numLabels = this.labels.length;
// Enable the vertex array for the current shader.
this.gl.disableVertexAttribArray(this.currentShader.vertexPositionAttribute);
for (var i = 0; i < numLabels; i++)
this.labels[i].draw();
};
/*
* A webGL surface without axes nor any other decoration.
*/
GLSurface = function(data3D, surfacePlot){
this.shaderProgram = surfacePlot.shaderProgram;
this.currentShader = null;
this.gl = surfacePlot.gl;
this.numXPoints = surfacePlot.numXPoints;
this.numYPoints = surfacePlot.numYPoints;
this.data3D = data3D;
this.colourGradientObject = surfacePlot.colourGradientObject;
this.setMatrixUniforms = surfacePlot.setMatrixUniforms;
this.surfaceVertexPositionBuffer = null;
this.surfaceVertexColorBuffer = null;
this.surfaceVertexNormalBuffer = null;
this.surfaceVertexIndexBuffer = null;
this.surfacePlot = surfacePlot;
this.initSurfaceBuffers = function(){
var i;
var j;
var vertices = [];
var colors = [];
var vertexNormals = [];
for (i = 0; i < this.numXPoints - 1; i++) {
for (j = 0; j < this.numYPoints - 1; j++) {
// Create surface vertices.
var rawP1 = this.data3D[j + (i * this.numYPoints)];
var rawP2 = this.data3D[j + (i * this.numYPoints) + this.numYPoints];
var rawP3 = this.data3D[j + (i * this.numYPoints) + this.numYPoints + 1];
var rawP4 = this.data3D[j + (i * this.numYPoints) + 1];
vertices.push(rawP1.ax);
vertices.push(rawP1.ay);
vertices.push(rawP1.az);
vertices.push(rawP2.ax);
vertices.push(rawP2.ay);
vertices.push(rawP2.az);
vertices.push(rawP3.ax);
vertices.push(rawP3.ay);
vertices.push(rawP3.az);
vertices.push(rawP4.ax);
vertices.push(rawP4.ay);
vertices.push(rawP4.az);
// Surface colours.
var rgb1 = this.colourGradientObject.getColour(rawP1.lz * 1.0);
var rgb2 = this.colourGradientObject.getColour(rawP2.lz * 1.0);
var rgb3 = this.colourGradientObject.getColour(rawP3.lz * 1.0);
var rgb4 = this.colourGradientObject.getColour(rawP4.lz * 1.0);
colors.push(rgb1.red / 255);
colors.push(rgb1.green / 255);
colors.push(rgb1.blue / 255, 1.0);
colors.push(rgb2.red / 255);
colors.push(rgb2.green / 255);
colors.push(rgb2.blue / 255, 1.0);
colors.push(rgb3.red / 255);
colors.push(rgb3.green / 255);
colors.push(rgb3.blue / 255, 1.0);
colors.push(rgb4.red / 255);
colors.push(rgb4.green / 255);
colors.push(rgb4.blue / 255, 1.0);
// Normal of triangle 1.
var v1 = [rawP2.ax - rawP1.ax, rawP2.ay - rawP1.ay, rawP2.az - rawP1.az];
var v2 = [rawP3.ax - rawP1.ax, rawP3.ay - rawP1.ay, rawP3.az - rawP1.az];
var cp1 = vec3.create();
cp1 = vec3.cross(v1, v2);
cp1 = vec3.normalize(v1, v2);
// Normal of triangle 2.
v1 = [rawP3.ax - rawP1.ax, rawP3.ay - rawP1.ay, rawP3.az - rawP1.az];
v2 = [rawP4.ax - rawP1.ax, rawP4.ay - rawP1.ay, rawP4.az - rawP1.az];
var cp2 = vec3.create();
cp2 = vec3.cross(v1, v2);
cp2 = vec3.normalize(v1, v2);
// Store normals for lighting.
vertexNormals.push(cp1[0]);
vertexNormals.push(cp1[1]);
vertexNormals.push(cp1[2]);
vertexNormals.push(cp1[0]);
vertexNormals.push(cp1[1]);
vertexNormals.push(cp1[2]);
vertexNormals.push(cp2[0]);
vertexNormals.push(cp2[1]);
vertexNormals.push(cp2[2]);
vertexNormals.push(cp2[0]);
vertexNormals.push(cp2[1]);
vertexNormals.push(cp2[2]);
}
}
this.surfaceVertexPositionBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexPositionBuffer);
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(vertices), this.gl.DYNAMIC_DRAW);
this.surfaceVertexPositionBuffer.itemSize = 3;
this.surfaceVertexPositionBuffer.numItems = vertices.length / 3;
this.surfaceVertexNormalBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexNormalBuffer);
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(vertexNormals), this.gl.DYNAMIC_DRAW);
this.surfaceVertexNormalBuffer.itemSize = 3;
this.surfaceVertexNormalBuffer.numItems = vertices.length / 3;
this.surfaceVertexColorBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexColorBuffer);
this.gl.bufferData(this.gl.ARRAY_BUFFER, new Float32Array(colors), this.gl.DYNAMIC_DRAW);
this.surfaceVertexColorBuffer.itemSize = 4;
this.surfaceVertexColorBuffer.numItems = vertices.length / 3;
this.surfaceVertexIndexBuffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER, this.surfaceVertexIndexBuffer);
var numQuads = ((this.numXPoints - 1) * (this.numYPoints - 1)) / 2;
var surfaceVertexIndices = [];
for (var i = 0; i < (numQuads * 8); i += 4) {
surfaceVertexIndices.push(i);
surfaceVertexIndices.push(i + 1);
surfaceVertexIndices.push(i + 2);
surfaceVertexIndices.push(i);
surfaceVertexIndices.push(i + 2);
surfaceVertexIndices.push(i + 3);
}
this.gl.bufferData(this.gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(surfaceVertexIndices), this.gl.DYNAMIC_DRAW);
this.surfaceVertexIndexBuffer.itemSize = 1;
this.surfaceVertexIndexBuffer.numItems = surfaceVertexIndices.length;
};
this.updateSurface = function(data){
var i;
var j;
var vertices = [];
var colors = [];
var vertexNormals = [];
for (i = 0; i < this.numXPoints - 1; i++) {
for (j = 0; j < this.numYPoints - 1; j++) {
// Create surface vertices.
var rawP1 = data[j + (i * this.numYPoints)];
var rawP2 = data[j + (i * this.numYPoints) + this.numYPoints];
var rawP3 = data[j + (i * this.numYPoints) + this.numYPoints + 1];
var rawP4 = data[j + (i * this.numYPoints) + 1];
//rawP1.az = Math.random();
vertices.push(rawP1.ax);
vertices.push(rawP1.ay);
vertices.push(rawP1.az);
vertices.push(rawP2.ax);
vertices.push(rawP2.ay);
vertices.push(rawP2.az);
vertices.push(rawP3.ax);
vertices.push(rawP3.ay);
vertices.push(rawP3.az);
vertices.push(rawP4.ax);
vertices.push(rawP4.ay);
vertices.push(rawP4.az);
// Surface colours.
var rgb1 = this.colourGradientObject.getColour(rawP1.lz * 1.0);
var rgb2 = this.colourGradientObject.getColour(rawP2.lz * 1.0);
var rgb3 = this.colourGradientObject.getColour(rawP3.lz * 1.0);
var rgb4 = this.colourGradientObject.getColour(rawP4.lz * 1.0);
colors.push(rgb1.red / 255);
colors.push(rgb1.green / 255);
colors.push(rgb1.blue / 255, 1.0);
colors.push(rgb2.red / 255);
colors.push(rgb2.green / 255);
colors.push(rgb2.blue / 255, 1.0);
colors.push(rgb3.red / 255);
colors.push(rgb3.green / 255);
colors.push(rgb3.blue / 255, 1.0);
colors.push(rgb4.red / 255);
colors.push(rgb4.green / 255);
colors.push(rgb4.blue / 255, 1.0);
// Normal of triangle 1.
var v1 = [rawP2.ax - rawP1.ax, rawP2.ay - rawP1.ay, rawP2.az - rawP1.az];
var v2 = [rawP3.ax - rawP1.ax, rawP3.ay - rawP1.ay, rawP3.az - rawP1.az];
var cp1 = vec3.create();
cp1 = vec3.cross(v1, v2);
cp1 = vec3.normalize(v1, v2);
// Normal of triangle 2.
v1 = [rawP3.ax - rawP1.ax, rawP3.ay - rawP1.ay, rawP3.az - rawP1.az];
v2 = [rawP4.ax - rawP1.ax, rawP4.ay - rawP1.ay, rawP4.az - rawP1.az];
var cp2 = vec3.create();
cp2 = vec3.cross(v1, v2);
cp2 = vec3.normalize(v1, v2);
// Store normals for lighting.
vertexNormals.push(cp1[0]);
vertexNormals.push(cp1[1]);
vertexNormals.push(cp1[2]);
vertexNormals.push(cp1[0]);
vertexNormals.push(cp1[1]);
vertexNormals.push(cp1[2]);
vertexNormals.push(cp2[0]);
vertexNormals.push(cp2[1]);
vertexNormals.push(cp2[2]);
vertexNormals.push(cp2[0]);
vertexNormals.push(cp2[1]);
vertexNormals.push(cp2[2]);
}
}
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexPositionBuffer);
this.gl.bufferSubData(this.gl.ARRAY_BUFFER, 0, new Float32Array(vertices));
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexNormalBuffer);
this.gl.bufferSubData(this.gl.ARRAY_BUFFER, 0, new Float32Array(vertexNormals));
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexColorBuffer);
this.gl.bufferSubData(this.gl.ARRAY_BUFFER, 0, new Float32Array(colors));
this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER, this.surfaceVertexIndexBuffer);
var numQuads = ((this.numXPoints - 1) * (this.numYPoints - 1)) / 2;
var surfaceVertexIndices = [];
for (var i = 0; i < (numQuads * 8); i += 4) {
surfaceVertexIndices.push(i);
surfaceVertexIndices.push(i + 1);
surfaceVertexIndices.push(i + 2);
surfaceVertexIndices.push(i);
surfaceVertexIndices.push(i + 2);
surfaceVertexIndices.push(i + 3);
}
this.gl.bufferSubData(this.gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array(surfaceVertexIndices));
};
this.initSurfaceBuffers();
};
GLSurface.prototype.draw = function(){
this.currentShader = this.shaderProgram;
this.gl.useProgram(this.currentShader);
// Enable the vertex arrays for the current shader.
this.currentShader.vertexPositionAttribute = this.gl.getAttribLocation(this.currentShader, "aVertexPosition");
this.gl.enableVertexAttribArray(this.currentShader.vertexPositionAttribute);
this.currentShader.vertexNormalAttribute = this.gl.getAttribLocation(this.currentShader, "aVertexNormal");
this.gl.enableVertexAttribArray(this.currentShader.vertexNormalAttribute);
this.currentShader.vertexColorAttribute = this.gl.getAttribLocation(this.currentShader, "aVertexColor");
this.gl.enableVertexAttribArray(this.currentShader.vertexColorAttribute);
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexPositionBuffer);
this.gl.vertexAttribPointer(this.currentShader.vertexPositionAttribute, this.surfaceVertexPositionBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexColorBuffer);
this.gl.vertexAttribPointer(this.currentShader.vertexColorAttribute, this.surfaceVertexColorBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.surfaceVertexNormalBuffer);
this.gl.vertexAttribPointer(this.currentShader.vertexNormalAttribute, this.surfaceVertexNormalBuffer.itemSize, this.gl.FLOAT, false, 0, 0);
this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER, this.surfaceVertexIndexBuffer);
this.setMatrixUniforms(this.currentShader, this.surfacePlot.pMatrix, this.surfacePlot.mvMatrix);
this.gl.drawElements(this.gl.TRIANGLES, this.surfaceVertexIndexBuffer.numItems, this.gl.UNSIGNED_SHORT, 0);
// Disable the vertex arrays for the current shader.
this.gl.disableVertexAttribArray(this.currentShader.vertexPositionAttribute);
this.gl.disableVertexAttribArray(this.currentShader.vertexNormalAttribute);
this.gl.disableVertexAttribArray(this.currentShader.vertexColorAttribute);
};
/**
* Given two coordinates, return the Euclidean distance
* between them
*/
function distance(p1, p2){
return Math.sqrt(((p1.x - p2.x) *
(p1.x -
p2.x)) +
((p1.y - p2.y) * (p1.y - p2.y)));
}
/*
* Matrix3d: This class represents a 3D matrix.
* ********************************************
*/
Matrix3d = function(){
this.matrix = new Array();
this.numRows = 4;
this.numCols = 4;
this.init = function(){
this.matrix = new Array();
for (var i = 0; i < this.numRows; i++) {
this.matrix[i] = new Array();
}
};
this.getMatrix = function(){
return this.matrix;
};
this.matrixReset = function(){
for (var i = 0; i < this.numRows; i++) {
for (var j = 0; j < this.numCols; j++) {
this.matrix[i][j] = 0;
}
}
};
this.matrixIdentity = function(){
this.matrixReset();
this.matrix[0][0] = this.matrix[1][1] = this.matrix[2][2] = this.matrix[3][3] = 1;
};
this.matrixCopy = function(newM){
var temp = new Matrix3d();
var i, j;
for (i = 0; i < this.numRows; i++) {
for (j = 0; j < this.numCols; j++) {
temp.getMatrix()[i][j] = (this.matrix[i][0] * newM.getMatrix()[0][j]) + (this.matrix[i][1] * newM.getMatrix()[1][j]) + (this.matrix[i][2] * newM.getMatrix()[2][j]) + (this.matrix[i][3] * newM.getMatrix()[3][j]);
}
}
for (i = 0; i < this.numRows; i++) {
this.matrix[i][0] = temp.getMatrix()[i][0];
this.matrix[i][1] = temp.getMatrix()[i][1];
this.matrix[i][2] = temp.getMatrix()[i][2];
this.matrix[i][3] = temp.getMatrix()[i][3];
}
};
this.matrixMult = function(m1, m2){
var temp = new Matrix3d();
var i, j;
for (i = 0; i < this.numRows; i++) {
for (j = 0; j < this.numCols; j++) {
temp.getMatrix()[i][j] = (m2.getMatrix()[i][0] * m1.getMatrix()[0][j]) + (m2.getMatrix()[i][1] * m1.getMatrix()[1][j]) + (m2.getMatrix()[i][2] * m1.getMatrix()[2][j]) + (m2.getMatrix()[i][3] * m1.getMatrix()[3][j]);
}
}
for (i = 0; i < this.numRows; i++) {
m1.getMatrix()[i][0] = temp.getMatrix()[i][0];
m1.getMatrix()[i][1] = temp.getMatrix()[i][1];
m1.getMatrix()[i][2] = temp.getMatrix()[i][2];
m1.getMatrix()[i][3] = temp.getMatrix()[i][3];
}
};
this.toString = function(){
return this.matrix.toString();
}
this.init();
};
/*
* Point3D: This class represents a 3D point.
* ******************************************
*/
Point3D = function(x, y, z){
this.displayValue = "";
this.lx;
this.ly;
this.lz;
this.lt;
this.wx;
this.wy;
this.wz;
this.wt;
this.ax;
this.ay;
this.az;
this.at;
this.dist;
this.initPoint = function(){
this.lx = this.ly = this.lz = this.ax = this.ay = this.az = this.at = this.wx = this.wy = this.wz = 0;
this.lt = this.wt = 1;
};
this.init = function(x, y, z){
this.initPoint();
this.lx = x;
this.ly = y;
this.lz = z;
this.ax = this.lx;
this.ay = this.ly;
this.az = this.lz;
};
this.init(x, y, z);
};
/*
* Polygon: This class represents a polygon on the surface plot.
* ************************************************************
*/
Polygon = function(cameraPosition, isAxis){
this.points = new Array();
this.cameraPosition = cameraPosition;
this.isAxis = isAxis;
this.centroid = null;
this.distanceFromCamera = null;
this.isAnAxis = function(){
return this.isAxis;
};
this.addPoint = function(point){
this.points[this.points.length] = point;
};
this.distance = function(){
return this.distance2(this.cameraPosition, this.centroid);
};
this.calculateDistance = function(){
this.distanceFromCamera = this.distance();
};
this.calculateCentroid = function(){
var xCentre = 0;
var yCentre = 0;
var zCentre = 0;
var numPoints = this.points.length * 1.0;
for (var i = 0; i < numPoints; i++) {
xCentre += this.points[i].ax;
yCentre += this.points[i].ay;
zCentre += this.points[i].az;
}
xCentre /= numPoints;
yCentre /= numPoints;
zCentre /= numPoints;
this.centroid = new Point3D(xCentre, yCentre, zCentre);
};
this.distance2 = function(p1, p2){
return ((p1.ax - p2.ax) * (p1.ax - p2.ax)) + ((p1.ay - p2.ay) * (p1.ay - p2.ay)) + ((p1.az - p2.az) * (p1.az - p2.az));
};
this.getPoint = function(i){
return this.points[i];
};
};
/*
* PolygonComaparator: Class used to sort arrays of polygons.
* ************************************************************
*/
PolygonComaparator = function(p1, p2){
var diff = p1.distanceFromCamera - p2.distanceFromCamera;
if (diff == 0)
return 0;
else
if (diff < 0)
return -1;
else
if (diff > 0)
return 1;
return 0;
};
/*
* Th3dtran: Class for matrix manipuation.
* ************************************************************
*/
Th3dtran = function(){
this.rMat;
this.rMatrix;
this.objectMatrix;
this.init = function(){
this.rMat = new Matrix3d();
this.rMatrix = new Matrix3d();
this.objectMatrix = new Matrix3d();
this.initMatrix();
};
this.initMatrix = function(){
this.objectMatrix.matrixIdentity();
};
this.translate = function(x, y, z){
this.rMat.matrixIdentity();
this.rMat.getMatrix()[3][0] = x;
this.rMat.getMatrix()[3][1] = y;
this.rMat.getMatrix()[3][2] = z;
this.objectMatrix.matrixCopy(this.rMat);
};
this.rotate = function(x, y, z){
var rx = x * (Math.PI / 180.0);
var ry = y * (Math.PI / 180.0);
var rz = z * (Math.PI / 180.0);
this.rMatrix.matrixIdentity();
this.rMat.matrixIdentity();
this.rMat.getMatrix()[1][1] = Math.cos(rx);
this.rMat.getMatrix()[1][2] = Math.sin(rx);
this.rMat.getMatrix()[2][1] = -(Math.sin(rx));
this.rMat.getMatrix()[2][2] = Math.cos(rx);
this.rMatrix.matrixMult(this.rMatrix, this.rMat);
this.rMat.matrixIdentity();
this.rMat.getMatrix()[0][0] = Math.cos(ry);
this.rMat.getMatrix()[0][2] = -(Math.sin(ry));
this.rMat.getMatrix()[2][0] = Math.sin(ry);
this.rMat.getMatrix()[2][2] = Math.cos(ry);
this.rMat.matrixMult(this.rMatrix, this.rMat);
this.rMat.matrixIdentity();
this.rMat.getMatrix()[0][0] = Math.cos(rz);
this.rMat.getMatrix()[0][1] = Math.sin(rz);
this.rMat.getMatrix()[1][0] = -(Math.sin(rz));
this.rMat.getMatrix()[1][1] = Math.cos(rz);
this.rMat.matrixMult(this.rMatrix, this.rMat);
this.objectMatrix.matrixCopy(this.rMatrix);
};
this.scale = function(scale){
this.rMat.matrixIdentity();
this.rMat.getMatrix()[0][0] = scale;
this.rMat.getMatrix()[1][1] = scale;
this.rMat.getMatrix()[2][2] = scale;
this.objectMatrix.matrixCopy(this.rMat);
};
this.ChangeObjectPoint = function(p){
p.ax = (p.lx * this.objectMatrix.getMatrix()[0][0] + p.ly * this.objectMatrix.getMatrix()[1][0] + p.lz * this.objectMatrix.getMatrix()[2][0] + this.objectMatrix.getMatrix()[3][0]);
p.ay = (p.lx * this.objectMatrix.getMatrix()[0][1] + p.ly * this.objectMatrix.getMatrix()[1][1] + p.lz * this.objectMatrix.getMatrix()[2][1] + this.objectMatrix.getMatrix()[3][1]);
p.az = (p.lx * this.objectMatrix.getMatrix()[0][2] + p.ly * this.objectMatrix.getMatrix()[1][2] + p.lz * this.objectMatrix.getMatrix()[2][2] + this.objectMatrix.getMatrix()[3][2]);
return p;
};
this.init();
};
/*
* Point: A simple 2D point.
* ************************************************************
*/
Point = function(x, y){
this.x = x;
this.y = y;
};
/*
* This function displays tooltips and was adapted from original code by Michael Leigeber.
* See http://www.leigeber.com/
*/
Tooltip = function(useExplicitPositions, tooltipColour){
var top = 3;
var left = 3;
var maxw = 300;
var speed = 10;
var timer = 20;
var endalpha = 95;
var alpha = 0;
var tt, t, c, b, h;
var ie = document.all ? true : false;
this.show = function(v, w){
if (tt == null) {
tt = document.createElement('div');
tt.style.color = tooltipColour;
tt.style.position = 'absolute';
tt.style.display = 'block';
t = document.createElement('div');
t.style.display = 'block';
t.style.height = '5px';
t.style.marginleft = '5px';
t.style.overflow = 'hidden';
c = document.createElement('div');
b = document.createElement('div');
tt.appendChild(t);
tt.appendChild(c);
tt.appendChild(b);
document.body.appendChild(tt);
if (!ie) {
tt.style.opacity = 0;
tt.style.filter = 'alpha(opacity=0)';
}
else
tt.style.opacity = 1;
}
if (!useExplicitPositions)
document.onmousemove = this.pos;
tt.style.display = 'block';
c.innerHTML = '<span style="font-weight:bold; font-family: arial;">' + v + '</span>';
tt.style.width = w ? w + 'px' : 'auto';
if (!w && ie) {
t.style.display = 'none';
b.style.display = 'none';
tt.style.width = tt.offsetWidth;
t.style.display = 'block';
b.style.display = 'block';
}
if (tt.offsetWidth > maxw) {
tt.style.width = maxw + 'px';
}
h = parseInt(tt.offsetHeight) + top;
if (!ie) {
clearInterval(tt.timer);
tt.timer = setInterval(function(){
fade(1)
}, timer);
}
};
this.setPos = function(e){
tt.style.top = e.y + 'px';
tt.style.left = e.x + 'px';
};
this.pos = function(e){
var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
tt.style.top = (u - h) + 'px';
tt.style.left = (l + left) + 'px';
tt.style.zIndex = 999999999999;
};
function fade(d){
var a = alpha;
if ((a != endalpha && d == 1) || (a != 0 && d == -1)) {
var i = speed;
if (endalpha - a < speed && d == 1) {
i = endalpha - a;
}
else
if (alpha < speed && d == -1) {
i = a;
}
alpha = a + (i * d);
tt.style.opacity = alpha * .01;
tt.style.filter = 'alpha(opacity=' + alpha + ')';
}
else {
clearInterval(tt.timer);
if (d == -1) {
tt.style.display = 'none';
}
}
}
this.hide = function(){
if (tt == null)
return;
if (!ie) {
clearInterval(tt.timer);
tt.timer = setInterval(function(){
fade(-1)
}, timer);
}
else {
tt.style.display = 'none';
}
};
};
degToRad = function(degrees){
return degrees * Math.PI / 180;
};
function hexToR(h){
return parseInt((cutHex(h)).substring(0, 2), 16)
}
function hexToG(h){
return parseInt((cutHex(h)).substring(2, 4), 16)
}
function hexToB(h){
return parseInt((cutHex(h)).substring(4, 6), 16)
}
function cutHex(h){
return (h.charAt(0) == "#") ? h.substring(1, 7) : h
}
log = function(base, value){
return Math.log(value) / Math.log(base);
};
JSSurfacePlot.DEFAULT_X_ANGLE_CANVAS = 47;
JSSurfacePlot.DEFAULT_Z_ANGLE_CANVAS = 47;
JSSurfacePlot.DEFAULT_X_ANGLE_WEBGL = -70;
JSSurfacePlot.DEFAULT_Y_ANGLE_WEBGL = -42;
JSSurfacePlot.DATA_DOT_SIZE = 5;
JSSurfacePlot.DEFAULT_SCALE = 350;
JSSurfacePlot.MIN_SCALE = 50;
JSSurfacePlot.MAX_SCALE = 1100;
JSSurfacePlot.SCALE_FACTOR = 1.4;
/*
* ColourGradient.js
*
* Written by Greg Ross
*/
ColourGradient = function(minValue, maxValue, rgbColourArray)
{
/**
* Return a colour from a position on the path in RGB space that is proportioal to
* the number specified in relation to the minimum and maximum values from which the
* bounds of the path are derived.
* @member ColourGradient
* @param value
*/
this.getColour = function (value) {
if (isNaN(value))
return rgbColourArray[0];
if (value < minValue || rgbColourArray.length == 1)
return rgbColourArray[0];
else if (value < minValue || value > maxValue || rgbColourArray.length == 1) {
return rgbColourArray[rgbColourArray.length - 1];
}
var scaledValue = mapValueToZeroOneInterval(value, minValue, maxValue);
return getPointOnColourRamp(scaledValue);
};
function getPointOnColourRamp(value)
{
var numberOfColours = rgbColourArray.length;
var scaleWidth = 1 / (numberOfColours - 1);
var index = (value / scaleWidth);
var index = parseInt(index + "");
index = index == (numberOfColours - 1) ? index - 1 : index;
var rgb1 = rgbColourArray[index];
var rgb2 = rgbColourArray[index + 1];
if (rgb1 == void 0 || rgb2 == void 0)
return rgbColourArray[0];
var closestToOrigin, furthestFromOrigin;
if (distanceFromRgbOrigin(rgb1) > distanceFromRgbOrigin(rgb2))
{
closestToOrigin = rgb2;
furthestFromOrigin = rgb1;
}
else
{
closestToOrigin = rgb1;
furthestFromOrigin = rgb2;
}
var t;
if (closestToOrigin == rgb2)
t = 1 - mapValueToZeroOneInterval(value, index * scaleWidth, (index + 1) * scaleWidth);
else
t = mapValueToZeroOneInterval(value, index * scaleWidth, (index + 1) * scaleWidth);
var diff = [
t * (furthestFromOrigin.red - closestToOrigin.red),
t * (furthestFromOrigin.green - closestToOrigin.green),
t * (furthestFromOrigin.blue - closestToOrigin.blue)];
var r = closestToOrigin.red + diff[0];
var g = closestToOrigin.green + diff[1];
var b = closestToOrigin.blue + diff[2];
r = parseInt(r);
g = parseInt(g);
b = parseInt(b);
var colr = {
red:r,
green:g,
blue:b
};
return colr;
}
function distanceFromRgbOrigin(rgb)
{
return (rgb.red * rgb.red) + (rgb.green * rgb.green) + (rgb.blue * rgb.blue);
}
function mapValueToZeroOneInterval(value, minValue, maxValue)
{
if (minValue == maxValue) return 0;
var factor = (value - minValue) / (maxValue - minValue);
return factor;
}
};// glMatrix v0.9.5
glMatrixArrayType=typeof Float32Array!="undefined"?Float32Array:typeof WebGLFloatArray!="undefined"?WebGLFloatArray:Array;var vec3={};vec3.create=function(a){var b=new glMatrixArrayType(3);if(a){b[0]=a[0];b[1]=a[1];b[2]=a[2]}return b};vec3.set=function(a,b){b[0]=a[0];b[1]=a[1];b[2]=a[2];return b};vec3.add=function(a,b,c){if(!c||a==c){a[0]+=b[0];a[1]+=b[1];a[2]+=b[2];return a}c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];return c};
vec3.subtract=function(a,b,c){if(!c||a==c){a[0]-=b[0];a[1]-=b[1];a[2]-=b[2];return a}c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];return c};vec3.negate=function(a,b){b||(b=a);b[0]=-a[0];b[1]=-a[1];b[2]=-a[2];return b};vec3.scale=function(a,b,c){if(!c||a==c){a[0]*=b;a[1]*=b;a[2]*=b;return a}c[0]=a[0]*b;c[1]=a[1]*b;c[2]=a[2]*b;return c};
vec3.normalize=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],g=Math.sqrt(c*c+d*d+e*e);if(g){if(g==1){b[0]=c;b[1]=d;b[2]=e;return b}}else{b[0]=0;b[1]=0;b[2]=0;return b}g=1/g;b[0]=c*g;b[1]=d*g;b[2]=e*g;return b};vec3.cross=function(a,b,c){c||(c=a);var d=a[0],e=a[1];a=a[2];var g=b[0],f=b[1];b=b[2];c[0]=e*b-a*f;c[1]=a*g-d*b;c[2]=d*f-e*g;return c};vec3.length=function(a){var b=a[0],c=a[1];a=a[2];return Math.sqrt(b*b+c*c+a*a)};vec3.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]};
vec3.direction=function(a,b,c){c||(c=a);var d=a[0]-b[0],e=a[1]-b[1];a=a[2]-b[2];b=Math.sqrt(d*d+e*e+a*a);if(!b){c[0]=0;c[1]=0;c[2]=0;return c}b=1/b;c[0]=d*b;c[1]=e*b;c[2]=a*b;return c};vec3.lerp=function(a,b,c,d){d||(d=a);d[0]=a[0]+c*(b[0]-a[0]);d[1]=a[1]+c*(b[1]-a[1]);d[2]=a[2]+c*(b[2]-a[2]);return d};vec3.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+"]"};var mat3={};
mat3.create=function(a){var b=new glMatrixArrayType(9);if(a){b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9]}return b};mat3.set=function(a,b){b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];return b};mat3.identity=function(a){a[0]=1;a[1]=0;a[2]=0;a[3]=0;a[4]=1;a[5]=0;a[6]=0;a[7]=0;a[8]=1;return a};
mat3.transpose=function(a,b){if(!b||a==b){var c=a[1],d=a[2],e=a[5];a[1]=a[3];a[2]=a[6];a[3]=c;a[5]=a[7];a[6]=d;a[7]=e;return a}b[0]=a[0];b[1]=a[3];b[2]=a[6];b[3]=a[1];b[4]=a[4];b[5]=a[7];b[6]=a[2];b[7]=a[5];b[8]=a[8];return b};mat3.toMat4=function(a,b){b||(b=mat4.create());b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=0;b[4]=a[3];b[5]=a[4];b[6]=a[5];b[7]=0;b[8]=a[6];b[9]=a[7];b[10]=a[8];b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return b};
mat3.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+"]"};var mat4={};mat4.create=function(a){var b=new glMatrixArrayType(16);if(a){b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];b[11]=a[11];b[12]=a[12];b[13]=a[13];b[14]=a[14];b[15]=a[15]}return b};
mat4.set=function(a,b){b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];b[11]=a[11];b[12]=a[12];b[13]=a[13];b[14]=a[14];b[15]=a[15];return b};mat4.identity=function(a){a[0]=1;a[1]=0;a[2]=0;a[3]=0;a[4]=0;a[5]=1;a[6]=0;a[7]=0;a[8]=0;a[9]=0;a[10]=1;a[11]=0;a[12]=0;a[13]=0;a[14]=0;a[15]=1;return a};
mat4.transpose=function(a,b){if(!b||a==b){var c=a[1],d=a[2],e=a[3],g=a[6],f=a[7],h=a[11];a[1]=a[4];a[2]=a[8];a[3]=a[12];a[4]=c;a[6]=a[9];a[7]=a[13];a[8]=d;a[9]=g;a[11]=a[14];a[12]=e;a[13]=f;a[14]=h;return a}b[0]=a[0];b[1]=a[4];b[2]=a[8];b[3]=a[12];b[4]=a[1];b[5]=a[5];b[6]=a[9];b[7]=a[13];b[8]=a[2];b[9]=a[6];b[10]=a[10];b[11]=a[14];b[12]=a[3];b[13]=a[7];b[14]=a[11];b[15]=a[15];return b};
mat4.determinant=function(a){var b=a[0],c=a[1],d=a[2],e=a[3],g=a[4],f=a[5],h=a[6],i=a[7],j=a[8],k=a[9],l=a[10],o=a[11],m=a[12],n=a[13],p=a[14];a=a[15];return m*k*h*e-j*n*h*e-m*f*l*e+g*n*l*e+j*f*p*e-g*k*p*e-m*k*d*i+j*n*d*i+m*c*l*i-b*n*l*i-j*c*p*i+b*k*p*i+m*f*d*o-g*n*d*o-m*c*h*o+b*n*h*o+g*c*p*o-b*f*p*o-j*f*d*a+g*k*d*a+j*c*h*a-b*k*h*a-g*c*l*a+b*f*l*a};
mat4.inverse=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],g=a[3],f=a[4],h=a[5],i=a[6],j=a[7],k=a[8],l=a[9],o=a[10],m=a[11],n=a[12],p=a[13],r=a[14],s=a[15],A=c*h-d*f,B=c*i-e*f,t=c*j-g*f,u=d*i-e*h,v=d*j-g*h,w=e*j-g*i,x=k*p-l*n,y=k*r-o*n,z=k*s-m*n,C=l*r-o*p,D=l*s-m*p,E=o*s-m*r,q=1/(A*E-B*D+t*C+u*z-v*y+w*x);b[0]=(h*E-i*D+j*C)*q;b[1]=(-d*E+e*D-g*C)*q;b[2]=(p*w-r*v+s*u)*q;b[3]=(-l*w+o*v-m*u)*q;b[4]=(-f*E+i*z-j*y)*q;b[5]=(c*E-e*z+g*y)*q;b[6]=(-n*w+r*t-s*B)*q;b[7]=(k*w-o*t+m*B)*q;b[8]=(f*D-h*z+j*x)*q;
b[9]=(-c*D+d*z-g*x)*q;b[10]=(n*v-p*t+s*A)*q;b[11]=(-k*v+l*t-m*A)*q;b[12]=(-f*C+h*y-i*x)*q;b[13]=(c*C-d*y+e*x)*q;b[14]=(-n*u+p*B-r*A)*q;b[15]=(k*u-l*B+o*A)*q;return b};mat4.toRotationMat=function(a,b){b||(b=mat4.create());b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];b[11]=a[11];b[12]=0;b[13]=0;b[14]=0;b[15]=1;return b};
mat4.toMat3=function(a,b){b||(b=mat3.create());b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[4];b[4]=a[5];b[5]=a[6];b[6]=a[8];b[7]=a[9];b[8]=a[10];return b};mat4.toInverseMat3=function(a,b){var c=a[0],d=a[1],e=a[2],g=a[4],f=a[5],h=a[6],i=a[8],j=a[9],k=a[10],l=k*f-h*j,o=-k*g+h*i,m=j*g-f*i,n=c*l+d*o+e*m;if(!n)return null;n=1/n;b||(b=mat3.create());b[0]=l*n;b[1]=(-k*d+e*j)*n;b[2]=(h*d-e*f)*n;b[3]=o*n;b[4]=(k*c-e*i)*n;b[5]=(-h*c+e*g)*n;b[6]=m*n;b[7]=(-j*c+d*i)*n;b[8]=(f*c-d*g)*n;return b};
mat4.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],g=a[2],f=a[3],h=a[4],i=a[5],j=a[6],k=a[7],l=a[8],o=a[9],m=a[10],n=a[11],p=a[12],r=a[13],s=a[14];a=a[15];var A=b[0],B=b[1],t=b[2],u=b[3],v=b[4],w=b[5],x=b[6],y=b[7],z=b[8],C=b[9],D=b[10],E=b[11],q=b[12],F=b[13],G=b[14];b=b[15];c[0]=A*d+B*h+t*l+u*p;c[1]=A*e+B*i+t*o+u*r;c[2]=A*g+B*j+t*m+u*s;c[3]=A*f+B*k+t*n+u*a;c[4]=v*d+w*h+x*l+y*p;c[5]=v*e+w*i+x*o+y*r;c[6]=v*g+w*j+x*m+y*s;c[7]=v*f+w*k+x*n+y*a;c[8]=z*d+C*h+D*l+E*p;c[9]=z*e+C*i+D*o+E*r;c[10]=z*
g+C*j+D*m+E*s;c[11]=z*f+C*k+D*n+E*a;c[12]=q*d+F*h+G*l+b*p;c[13]=q*e+F*i+G*o+b*r;c[14]=q*g+F*j+G*m+b*s;c[15]=q*f+F*k+G*n+b*a;return c};mat4.multiplyVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1];b=b[2];c[0]=a[0]*d+a[4]*e+a[8]*b+a[12];c[1]=a[1]*d+a[5]*e+a[9]*b+a[13];c[2]=a[2]*d+a[6]*e+a[10]*b+a[14];return c};
mat4.multiplyVec4=function(a,b,c){c||(c=b);var d=b[0],e=b[1],g=b[2];b=b[3];c[0]=a[0]*d+a[4]*e+a[8]*g+a[12]*b;c[1]=a[1]*d+a[5]*e+a[9]*g+a[13]*b;c[2]=a[2]*d+a[6]*e+a[10]*g+a[14]*b;c[3]=a[3]*d+a[7]*e+a[11]*g+a[15]*b;return c};
mat4.translate=function(a,b,c){var d=b[0],e=b[1];b=b[2];if(!c||a==c){a[12]=a[0]*d+a[4]*e+a[8]*b+a[12];a[13]=a[1]*d+a[5]*e+a[9]*b+a[13];a[14]=a[2]*d+a[6]*e+a[10]*b+a[14];a[15]=a[3]*d+a[7]*e+a[11]*b+a[15];return a}var g=a[0],f=a[1],h=a[2],i=a[3],j=a[4],k=a[5],l=a[6],o=a[7],m=a[8],n=a[9],p=a[10],r=a[11];c[0]=g;c[1]=f;c[2]=h;c[3]=i;c[4]=j;c[5]=k;c[6]=l;c[7]=o;c[8]=m;c[9]=n;c[10]=p;c[11]=r;c[12]=g*d+j*e+m*b+a[12];c[13]=f*d+k*e+n*b+a[13];c[14]=h*d+l*e+p*b+a[14];c[15]=i*d+o*e+r*b+a[15];return c};
mat4.scale=function(a,b,c){var d=b[0],e=b[1];b=b[2];if(!c||a==c){a[0]*=d;a[1]*=d;a[2]*=d;a[3]*=d;a[4]*=e;a[5]*=e;a[6]*=e;a[7]*=e;a[8]*=b;a[9]*=b;a[10]*=b;a[11]*=b;return a}c[0]=a[0]*d;c[1]=a[1]*d;c[2]=a[2]*d;c[3]=a[3]*d;c[4]=a[4]*e;c[5]=a[5]*e;c[6]=a[6]*e;c[7]=a[7]*e;c[8]=a[8]*b;c[9]=a[9]*b;c[10]=a[10]*b;c[11]=a[11]*b;c[12]=a[12];c[13]=a[13];c[14]=a[14];c[15]=a[15];return c};
mat4.rotate=function(a,b,c,d){var e=c[0],g=c[1];c=c[2];var f=Math.sqrt(e*e+g*g+c*c);if(!f)return null;if(f!=1){f=1/f;e*=f;g*=f;c*=f}var h=Math.sin(b),i=Math.cos(b),j=1-i;b=a[0];f=a[1];var k=a[2],l=a[3],o=a[4],m=a[5],n=a[6],p=a[7],r=a[8],s=a[9],A=a[10],B=a[11],t=e*e*j+i,u=g*e*j+c*h,v=c*e*j-g*h,w=e*g*j-c*h,x=g*g*j+i,y=c*g*j+e*h,z=e*c*j+g*h;e=g*c*j-e*h;g=c*c*j+i;if(d){if(a!=d){d[12]=a[12];d[13]=a[13];d[14]=a[14];d[15]=a[15]}}else d=a;d[0]=b*t+o*u+r*v;d[1]=f*t+m*u+s*v;d[2]=k*t+n*u+A*v;d[3]=l*t+p*u+B*
v;d[4]=b*w+o*x+r*y;d[5]=f*w+m*x+s*y;d[6]=k*w+n*x+A*y;d[7]=l*w+p*x+B*y;d[8]=b*z+o*e+r*g;d[9]=f*z+m*e+s*g;d[10]=k*z+n*e+A*g;d[11]=l*z+p*e+B*g;return d};mat4.rotateX=function(a,b,c){var d=Math.sin(b);b=Math.cos(b);var e=a[4],g=a[5],f=a[6],h=a[7],i=a[8],j=a[9],k=a[10],l=a[11];if(c){if(a!=c){c[0]=a[0];c[1]=a[1];c[2]=a[2];c[3]=a[3];c[12]=a[12];c[13]=a[13];c[14]=a[14];c[15]=a[15]}}else c=a;c[4]=e*b+i*d;c[5]=g*b+j*d;c[6]=f*b+k*d;c[7]=h*b+l*d;c[8]=e*-d+i*b;c[9]=g*-d+j*b;c[10]=f*-d+k*b;c[11]=h*-d+l*b;return c};
mat4.rotateY=function(a,b,c){var d=Math.sin(b);b=Math.cos(b);var e=a[0],g=a[1],f=a[2],h=a[3],i=a[8],j=a[9],k=a[10],l=a[11];if(c){if(a!=c){c[4]=a[4];c[5]=a[5];c[6]=a[6];c[7]=a[7];c[12]=a[12];c[13]=a[13];c[14]=a[14];c[15]=a[15]}}else c=a;c[0]=e*b+i*-d;c[1]=g*b+j*-d;c[2]=f*b+k*-d;c[3]=h*b+l*-d;c[8]=e*d+i*b;c[9]=g*d+j*b;c[10]=f*d+k*b;c[11]=h*d+l*b;return c};
mat4.rotateZ=function(a,b,c){var d=Math.sin(b);b=Math.cos(b);var e=a[0],g=a[1],f=a[2],h=a[3],i=a[4],j=a[5],k=a[6],l=a[7];if(c){if(a!=c){c[8]=a[8];c[9]=a[9];c[10]=a[10];c[11]=a[11];c[12]=a[12];c[13]=a[13];c[14]=a[14];c[15]=a[15]}}else c=a;c[0]=e*b+i*d;c[1]=g*b+j*d;c[2]=f*b+k*d;c[3]=h*b+l*d;c[4]=e*-d+i*b;c[5]=g*-d+j*b;c[6]=f*-d+k*b;c[7]=h*-d+l*b;return c};
mat4.frustum=function(a,b,c,d,e,g,f){f||(f=mat4.create());var h=b-a,i=d-c,j=g-e;f[0]=e*2/h;f[1]=0;f[2]=0;f[3]=0;f[4]=0;f[5]=e*2/i;f[6]=0;f[7]=0;f[8]=(b+a)/h;f[9]=(d+c)/i;f[10]=-(g+e)/j;f[11]=-1;f[12]=0;f[13]=0;f[14]=-(g*e*2)/j;f[15]=0;return f};mat4.perspective=function(a,b,c,d,e){a=c*Math.tan(a*Math.PI/360);b=a*b;return mat4.frustum(-b,b,-a,a,c,d,e)};
mat4.ortho=function(a,b,c,d,e,g,f){f||(f=mat4.create());var h=b-a,i=d-c,j=g-e;f[0]=2/h;f[1]=0;f[2]=0;f[3]=0;f[4]=0;f[5]=2/i;f[6]=0;f[7]=0;f[8]=0;f[9]=0;f[10]=-2/j;f[11]=0;f[12]=-(a+b)/h;f[13]=-(d+c)/i;f[14]=-(g+e)/j;f[15]=1;return f};
mat4.lookAt=function(a,b,c,d){d||(d=mat4.create());var e=a[0],g=a[1];a=a[2];var f=c[0],h=c[1],i=c[2];c=b[1];var j=b[2];if(e==b[0]&&g==c&&a==j)return mat4.identity(d);var k,l,o,m;c=e-b[0];j=g-b[1];b=a-b[2];m=1/Math.sqrt(c*c+j*j+b*b);c*=m;j*=m;b*=m;k=h*b-i*j;i=i*c-f*b;f=f*j-h*c;if(m=Math.sqrt(k*k+i*i+f*f)){m=1/m;k*=m;i*=m;f*=m}else f=i=k=0;h=j*f-b*i;l=b*k-c*f;o=c*i-j*k;if(m=Math.sqrt(h*h+l*l+o*o)){m=1/m;h*=m;l*=m;o*=m}else o=l=h=0;d[0]=k;d[1]=h;d[2]=c;d[3]=0;d[4]=i;d[5]=l;d[6]=j;d[7]=0;d[8]=f;d[9]=
o;d[10]=b;d[11]=0;d[12]=-(k*e+i*g+f*a);d[13]=-(h*e+l*g+o*a);d[14]=-(c*e+j*g+b*a);d[15]=1;return d};mat4.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+"]"};quat4={};quat4.create=function(a){var b=new glMatrixArrayType(4);if(a){b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3]}return b};quat4.set=function(a,b){b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];return b};
quat4.calculateW=function(a,b){var c=a[0],d=a[1],e=a[2];if(!b||a==b){a[3]=-Math.sqrt(Math.abs(1-c*c-d*d-e*e));return a}b[0]=c;b[1]=d;b[2]=e;b[3]=-Math.sqrt(Math.abs(1-c*c-d*d-e*e));return b};quat4.inverse=function(a,b){if(!b||a==b){a[0]*=1;a[1]*=1;a[2]*=1;return a}b[0]=-a[0];b[1]=-a[1];b[2]=-a[2];b[3]=a[3];return b};quat4.length=function(a){var b=a[0],c=a[1],d=a[2];a=a[3];return Math.sqrt(b*b+c*c+d*d+a*a)};
quat4.normalize=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],g=a[3],f=Math.sqrt(c*c+d*d+e*e+g*g);if(f==0){b[0]=0;b[1]=0;b[2]=0;b[3]=0;return b}f=1/f;b[0]=c*f;b[1]=d*f;b[2]=e*f;b[3]=g*f;return b};quat4.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],g=a[2];a=a[3];var f=b[0],h=b[1],i=b[2];b=b[3];c[0]=d*b+a*f+e*i-g*h;c[1]=e*b+a*h+g*f-d*i;c[2]=g*b+a*i+d*h-e*f;c[3]=a*b-d*f-e*h-g*i;return c};
quat4.multiplyVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],g=b[2];b=a[0];var f=a[1],h=a[2];a=a[3];var i=a*d+f*g-h*e,j=a*e+h*d-b*g,k=a*g+b*e-f*d;d=-b*d-f*e-h*g;c[0]=i*a+d*-b+j*-h-k*-f;c[1]=j*a+d*-f+k*-b-i*-h;c[2]=k*a+d*-h+i*-f-j*-b;return c};quat4.toMat3=function(a,b){b||(b=mat3.create());var c=a[0],d=a[1],e=a[2],g=a[3],f=c+c,h=d+d,i=e+e,j=c*f,k=c*h;c=c*i;var l=d*h;d=d*i;e=e*i;f=g*f;h=g*h;g=g*i;b[0]=1-(l+e);b[1]=k-g;b[2]=c+h;b[3]=k+g;b[4]=1-(j+e);b[5]=d-f;b[6]=c-h;b[7]=d+f;b[8]=1-(j+l);return b};
quat4.toMat4=function(a,b){b||(b=mat4.create());var c=a[0],d=a[1],e=a[2],g=a[3],f=c+c,h=d+d,i=e+e,j=c*f,k=c*h;c=c*i;var l=d*h;d=d*i;e=e*i;f=g*f;h=g*h;g=g*i;b[0]=1-(l+e);b[1]=k-g;b[2]=c+h;b[3]=0;b[4]=k+g;b[5]=1-(j+e);b[6]=d-f;b[7]=0;b[8]=c-h;b[9]=d+f;b[10]=1-(j+l);b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return b};quat4.slerp=function(a,b,c,d){d||(d=a);var e=c;if(a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]<0)e=-1*c;d[0]=1-c*a[0]+e*b[0];d[1]=1-c*a[1]+e*b[1];d[2]=1-c*a[2]+e*b[2];d[3]=1-c*a[3]+e*b[3];return d};
quat4.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+"]"};/*
* Copyright 2010, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @fileoverview This file contains functions every webgl program will need
* a version of one way or another.
*
* Instead of setting up a context manually it is recommended to
* use. This will check for success or failure. On failure it
* will attempt to present an approriate message to the user.
*
* gl = WebGLUtils.setupWebGL(canvas);
*
* For animated WebGL apps use of setTimeout or setInterval are
* discouraged. It is recommended you structure your rendering
* loop like this.
*
* function render() {
* window.requestAnimFrame(render, canvas);
*
* // do rendering
* ...
* }
* render();
*
* This will call your rendering function up to the refresh rate
* of your display but will stop rendering if your app is not
* visible.
*/
WebGLUtils = function() {
/**
* Creates the HTLM for a failure message
* @param {string} canvasContainerId id of container of th
* canvas.
* @return {string} The html.
*/
var makeFailHTML = function(msg) {
return '' +
'<table style="background-color: #8CE; width: 100%; height: 100%;"><tr>' +
'<td align="center">' +
'<div style="display: table-cell; vertical-align: middle;">' +
'<div style="">' + msg + '</div>' +
'</div>' +
'</td></tr></table>';
};
/**
* Mesasge for getting a webgl browser
* @type {string}
*/
var GET_A_WEBGL_BROWSER = '' +
'This page requires a browser that supports WebGL.<br/>' +
'<a href="http://get.webgl.org">Click here to upgrade your browser.</a>';
/**
* Mesasge for need better hardware
* @type {string}
*/
var OTHER_PROBLEM = '' +
"It doesn't appear your computer can support WebGL.<br/>" +
'<a href="http://get.webgl.org/troubleshooting/">Click here for more information.</a>';
/**
* Creates a webgl context. If creation fails it will
* change the contents of the container of the <canvas>
* tag to an error message with the correct links for WebGL.
* @param {Element} canvas. The canvas element to create a
* context from.
* @param {WebGLContextCreationAttirbutes} opt_attribs Any
* creation attributes you want to pass in.
* @param {function:(msg)} opt_onError An function to call
* if there is an error during creation.
* @return {WebGLRenderingContext} The created context.
*/
var setupWebGL = function(canvas, opt_attribs, opt_onError) {
function handleCreationError(msg) {
var container = canvas.parentNode;
if (container) {
var str = window.WebGLRenderingContext ?
OTHER_PROBLEM :
GET_A_WEBGL_BROWSER;
if (msg) {
str += "<br/><br/>Status: " + msg;
}
container.innerHTML = makeFailHTML(str);
}
};
opt_onError = opt_onError || handleCreationError;
if (canvas.addEventListener) {
canvas.addEventListener("webglcontextcreationerror", function(event) {
opt_onError(event.statusMessage);
}, false);
}
var context = create3DContext(canvas, opt_attribs);
if (!context) {
if (!window.WebGLRenderingContext) {
opt_onError("");
}
}
return context;
};
/**
* Creates a webgl context.
* @param {!Canvas} canvas The canvas tag to get context
* from. If one is not passed in one will be created.
* @return {!WebGLContext} The created context.
*/
var create3DContext = function(canvas, opt_attribs) {
var names = ["webgl", "experimental-webgl", "webkit-3d", "moz-webgl"];
var context = null;
for (var ii = 0; ii < names.length; ++ii) {
try {
context = canvas.getContext(names[ii], opt_attribs);
} catch(e) {}
if (context) {
break;
}
}
return context;
}
return {
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ylabel: [],
valueName: "",
colName:"Project",
rowName:"Times"
};
for (var i=0;i<data.length;i++) {
var dico=data[i];
m.xlabel.push(dico.name);
m.dim=[i+1,dico.data.length];
m.matrice.push(dico.data);
}
return(m);
};
function setUp(m) {
data = {
nRows: m.dim[0],
nCols: m.dim[1],
formattedValues: m.matrice
};
// Define a colour gradient.
var colour1 = { red: 0, green: 100, blue: 255};
var colour2 = { red: 0, green: 255, blue: 255 };
var colour3 = { red: 0, green: 255, blue: 100 };
var colour4 = { red: 255, green: 255, blue: 0 };
var colour5 = { red: 255, green: 0, blue: 0 };
var colours = [colour1, colour2, colour3, colour4, colour5];
var chartOrigin = { x: 200, y: 265 };
// Options for the basic canvas plot.
basicPlotOptions = {
fillPolygons: false,
tooltips: new Array(),
renderPoints: true
}
// These labels are used when autoCalcZScale is true and false :)
glOptions = {
xLabels: m.xlabel,
yLabels: m.ylabel,
autoCalcZScale: true
};
// Options common to both types of plot.
options = {
xPos: 30,yPos: 90,
width: window.innerWidth-100,height: window.innerHeight-100,
colourGradient: colours,xTitle: "", // !.. m.rowName
yTitle: "", // !.. m.colName
zTitle: m.valueName,backColour: '#ffffff',
axisTextColour: '#040700',hideFlatMinPolygons: false,
origin: chartOrigin};
var surfacePlot = new SurfacePlot(document.getElementById("surfacePlotDiv"));
surfacePlot.draw(data, options, basicPlotOptions, glOptions);
}
function matrix( rows, cols, defaultValue) {
var arr = [];
for(var i=0; i < rows; i++){
arr.push([]);
arr[i].push( new Array(cols));
for(var j=0; j < cols; j++) arr[i][j] = defaultValue;
}
return(arr);
}
setUp( dataToMatrix(data) ) ;
});
//]]>
</script>
<body>
<div id="surfacePlotDiv"></div>
<script id="shader-fs" type="x-shader/x-fragment">
#ifdef GL_ES
precision highp float;
#endif
varying vec4 vColor;
varying vec3 vLightWeighting;
void main(void)
{
gl_FragColor = vec4(vColor.rgb * vLightWeighting, vColor.a);
}
</script>
<script id="shader-vs" type="x-shader/x-vertex">
attribute vec3 aVertexPosition;
attribute vec3 aVertexNormal;
attribute vec4 aVertexColor;
uniform mat4 uMVMatrix;
uniform mat4 uPMatrix;
uniform mat3 uNMatrix;
varying vec4 vColor;
uniform vec3 uAmbientColor;
uniform vec3 uLightingDirection;
uniform vec3 uDirectionalColor;
varying vec3 vLightWeighting;
void main(void)
{
gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);
vec3 transformedNormal = uNMatrix * aVertexNormal;
float directionalLightWeighting = max(dot(transformedNormal, uLightingDirection), 0.0);
vLightWeighting = uAmbientColor + uDirectionalColor * directionalLightWeighting;
vColor = aVertexColor;
}
</script>
<script id="axes-shader-fs" type="x-shader/x-fragment">
precision mediump float;
varying vec4 vColor;
void main(void)
{
gl_FragColor = vColor;
}
</script>
<script id="axes-shader-vs" type="x-shader/x-vertex">
attribute vec3 aVertexPosition;
attribute vec4 aVertexColor;
uniform mat4 uMVMatrix;
uniform mat4 uPMatrix;
varying vec4 vColor;
uniform vec3 uAxesColour;
void main(void)
{
gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);
vColor = vec4(uAxesColour, 1.0);
}
</script>
<script id="texture-shader-fs" type="x-shader/x-fragment">
#ifdef GL_ES
precision highp float;
#endif
varying vec2 vTextureCoord;
uniform sampler2D uSampler;
void main(void)
{
gl_FragColor = texture2D(uSampler, vTextureCoord);
}
</script>
<script id="texture-shader-vs" type="x-shader/x-vertex">
attribute vec3 aVertexPosition;
attribute vec2 aTextureCoord;
varying vec2 vTextureCoord;
uniform mat4 uMVMatrix;
uniform mat4 uPMatrix;
void main(void)
{
gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);
vTextureCoord = aTextureCoord;
}
</script>
</body></html>
EEND
###########################################################################
###########################################################################
###########################################################################
###########################################################################
=begin
https://rubygems.org/api/v1/downloads/NAME-VERS.json
{"total_downloads":8584,"version_downloads":96}
=end
$result=Queue.new
def analyse(index,name,version)
url=RUBYGEMS+'/api/v1/downloads/NAME-VERS.json'.
gsub('NAME',name.strip).
gsub('VERS',version.strip)
#puts "#{index} #{url} : #{name} / #{version} ..."
json = eval( open(url).read.gsub('":', '" => ' ) )
total=json["total_downloads"]
actual=json["version_downloads"]
out=memo(name,total)
Thread.current[:output] = [name,out]
rescue
puts 'ERROR for "' + url + '" ===> ' + $!.to_s
end
NB=40
def memo(name,total)
fname="mstat/#{name.downcase}.data"
content= File.exists?(fname) ? eval( File.read(fname) ) : [0]*(NB+1)
p content if name=="rack"
last= content[0]==0 ? total : content[0]
p last if name=="rack"
content=[total]+(content << (total-last))[-NB..-1]
p content if name=="rack"
File.write(fname,content.inspect)
#puts "#{fname} => #{content}"
content[1..-1]
end
############################## M A I N ########################
=begin
<a href="/gems/Ruiby" class="profile-rubygem">
Ruiby
<em>0.135.0</em>
</a>
=end
puts "start..."
def main(ss)
lth=[]
no=0
Dir.mkdir('mstat') unless Dir.exists?('mstat')
(ss=="1" ? $authors1 : $authors).each do |aut|
doc = Nokogiri::HTML(open(RUBYGEMS+'/profiles/'+aut))
doc.css('a.profile-rubygem').each do |a|
version=a.css('em').inner_html
name =a.inner_html.split("<")[0].strip
if name !~ /^acti/
lth << Thread.new(no,name,version) { |j,n,v| analyse(j,n,v) }
no+=1
end
end
end
p $html.encoding
result=lth.map { |th| th.join()[:output] }
sdata=result.map { |(name,data)| { name: name, data: data } }.select {|a| a[:data] }
sdata=sdata.sort { |a,b| b[:data].last <=> a[:data].last }[0..14]
p JSON.generate(sdata).encoding
File.write("#{LOCAL_HTDOCS}/gems#{ss}.html",
$html.
encode!('UTF-8', 'binary', invalid: :replace, undef: :replace, replace: '').
gsub("%DATA%",JSON.generate(sdata))
)
end
if ARGV.size>0
loop {
main("") rescue p $!
sleep(ARGV[0].to_i*60)
}
else
main("1")
system(Dir.exists?("c:/") ? 'start' : 'gnome-open' ,"http://localhost/gems1.html")
end