[OpenLayers-Users] ModifyControl Select/Delete Vertex?
Robert Smart
r_n_smart at hotmail.com
Tue Feb 26 08:42:38 PST 2013
Hi All,
I'm trying to port some existing functionality into open layers and have
managed to get most of it working. I'm just stuck on a seemingly simple
task.
The current code allows a user to highlight a polygon vertex by clicking on
it (which changes its colour), so that the user can then press a delete
button to remove the vertex.
Using the modify control I'm able to display the vertices, and even delete
them if I click on it and then press 'del' on my keyboard, but this is not a
great solution as there is no visual clue as to what vertex has been
selected.
So is there a way to highlight or change the colour of a single vertex the
user has clicked on? is there then a way to remove that vertex via code and
have the polygon redraw on the screen to suit?
I think this would actually be quite useful as a standard feature as there
are many cases where one might want to select an individual vertex.
Thanks,
Rob
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