I've finished a first demo for the Intersection management during polygon editing. I've had few time, so it should be optimized... In this version I do the check while dragging, so it gets less fluid when there are a lot of vertices. I will improve it as soon as I find some time!<br>
<a href="http://www.geospatial.it/allegri/OL/PolyEditIntersection.html">http://www.geospatial.it/allegri/OL/PolyEditIntersection.html</a><br><br>The "modded" OpenLayers.Control.ModifyFeature I use in this demo is:<br>
<a href="http://www.geospatial.it/allegri/OL/ModifyFeature_mod.js">http://www.geospatial.it/allegri/OL/ModifyFeature_mod.js</a><br><br>I'll add some comment next days...<br><br>Giovanni<br>