Tagged Questions
3
votes
3answers
87 views
How to computational efficiently check if there are any overlapping polygons in a group of polygons?
I need to do some processing with groups of polygons. If any of the polygons in the group overlaps other polygon the result is unpredictable and don't throw any error. So, I need to detect if there is ...
2
votes
1answer
142 views
Convex Quadrilateral Polygons subdivision in equal parts using Python / OGR
Consider an irregular polygon (P) which has four vertices.
I would like to subdivide P into smaller polygons as shown here http://i.stack.imgur.com/4SKhB.jpg
In the old days I was using ArcGIS 9.3 ...
4
votes
3answers
349 views
Python OGR: convert a point geometry into polygon
I'm writing a routine for creating the convex hull envelop around shapefiles of islands.
I could read the data, extract polygons vertices into a geometry and then compute the convex hull.
Now I need ...
3
votes
1answer
244 views
Polygon Shared Boundaries in GML
Last week I was told on a phone conference that GML supports shared boundaries in Polygon's. I have been unable to find any documenatation to substantiate the claim. Here is the situation:
I have a ...
12
votes
5answers
3k views
Generate points that lie inside polygon
I have polygon feature and want to be able to generate points inside it. I need this for one classification task.
Generating random points until one is inside the polygon wouldn't work because it's ...
