Tagged Questions
5
votes
2answers
373 views
Why does this simple Python OGR code create an empty polygon?
Please excuse my ignorance...I am new to Python OGR.
I am trying to create a simple square polygon and fail...this produces an empty polygon.
Where did I go wrong?
from osgeo import ogr
driver = ...
2
votes
1answer
522 views
Create new polygon layers from postcodes latitude & longitude
First at all, I want to say that I am geocoding enthusiastic but have no formal background on GIS. I'll do my best to use the right wording and make myself clear what I am striving for.
Also the only ...
1
vote
1answer
576 views
How to create multipart line and polygon with interior ring in ArcGIS Python?
My objective is to swap X,Y coordinates of feature classes using Python and arcgisscripting.
Based on help examples, I managed to write script which reads and writes all geometry types.
The problem ...
8
votes
1answer
768 views
Polygon overlay with Shapely
I'm trying to capture all the non-overlapping polygons indicated below using Shapely (given polygons A,B & C). Moreover, I'm hoping to do so without iteration, testing for intersect etc. The ...
4
votes
3answers
944 views
Need to create a collection of polygons from a collection of points
I have a set of points, which are spread over a wide geographical area. I need to be able to create a set of polygons which best represent the clustered points.
In parts, some points may simply lie ...
16
votes
1answer
3k views
How to divide a polygon into specific sizes using ArcGIS?
I have several thousand irregularly shaped polygons in a shapefile. I want to be able to split each polygon into three areas, and to specify what the size of those areas (they sum to the previous ...
