[OpenLayers-Users] holeModifer to create donut polygons

[Robert Sanson]

Hello

I have added holeModifier to a DrawFeature control on a Vector polygon layer to enable digitising holes in a polygon:

dpoly: new OpenLayers.Control.DrawFeature(padds,OpenLayers.Handler.Polygon,{id: 'ctrldraw', handlerOptions: {holeModifier: "altKey"}})

This works on Firefox (v23) and Chrome (v29) but not on IE 8 or 10. Has anyone else struck this problem, and if so, how have you solved it?

Secondly, is there any way to remove a donut from a polygon once you have created it? I have a ModifyFeature control on the same layer:

modify: new OpenLayers.Control.ModifyFeature(padds,OpenLayers.Handler.Polygon,{id: 'ctrlmod'});

I can see the vertices of the donut polygon and even delete some, but I am always left with a pair of vertices defining a sliver (zero area) polygon.

Many thanks,

Robert Sanson



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