SwiftGraphSampleApp/Images.xcassets/heads.imageset/Contents.json
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "heads.jpg"
},
{
"idiom" : "universal",
"scale" : "2x",
"filename" : "heads@2x.jpg"
},
{
"idiom" : "universal",
"scale" : "3x",
"filename" : "heads@3x.jpg"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}