Tagged Questions
1
vote
2answers
434 views
Openlayers remove previously drawn polygon on starting to draw next one
Objective:
At any point of time there SHOULD only be zero/one polygon(s) on a vector layer with a polygon control. I need the previous polygon to be removed as soon as user starts drawing the first ...
2
votes
0answers
72 views
Cannot reselect polygon after modify
I've got various vector layers on a OL map.
On one layer I have a few draw controls. If I draw a polygon I can select it (the whole pop-up thing works). This also works for all the other features.
...
5
votes
1answer
134 views
How can I increase performance on inserting features with polygon geometry?
I have a problem when inserting features with polygon feature class in FGDB. This is my code:
... initialising some fields (does not affect performance)
m_featureBuffer.Shape = ...
5
votes
3answers
250 views
Selecting polygons by number of sides
I'm using ArcGIS 10 to build some figures for a journal article. One is a figure of an unstructured finite element mesh of triangles spanning the western Atlantic Ocean. I exported this mesh from ...
1
vote
4answers
2k views
Sum of areas in all each polygon layer?
I've got several layers/feature classes in an ArcMap 10 project.
Thanks to everyone's help, I'm able to get the areas for the polygons contained within each layer.
By opening the attribute tables ...