app/views/tasks/gis/match_georeference/_draw_georeferences_form.html.erb
<div id="_draw_gr_form" name="_draw_gr_form" hidden
data-feature-collection='<%= Gis::GeoJSON.feature_collection([]).to_json %>'
data-map-center='POINT (0.0 0.0 0.0)'
data-map-canvas="draw_gr_canvas"
data-map-drawing-modes="circle, polygon"
>
<%= form_tag(drawn_georeferences_path, method: 'get', remote: true) do %>
<table>
<tr>
<td>
<div id="draw_gr_canvas" style="width:512px; height: 256px;"></div>
</td>
</tr>
</table>
<%= hidden_field_tag('gr_geographic_item_attributes_shape') %>
<%= submit_tag('Find', id: 'gr_commit') %>
<% end %>
</div>