app/views/tasks/gis/match_collecting_event/_draw_collecting_events_form.html.erb
<div id="_draw_ce_form"
hidden="hidden"
data-feature-collection='<%= Gis::GeoJSON.feature_collection([]).to_json %>'
data-map-center='POINT (0.0 0.0 0.0)'
data-map-canvas="draw_ce_canvas"
data-map-drawing-modes="circle, polygon"
>
<%= form_tag(drawn_collecting_events_path, method: 'get', remote: true) do %>
<table border="1">
<tr>
<td>
<div id="draw_ce_canvas" style="width:512px; height:256px;"></div>
</td>
</tr>
</table>
<%= hidden_field_tag('ce_geographic_item_attributes_shape') %>
<%= submit_tag('Find', id: 'ce_commit') %>
<% end %>
</div>