Tagged Questions
3
votes
2answers
107 views
What Is The Ideal Workflow To Map (British) Postcode Territories
I'm looking for the best workflow for mapping postcodes and calculated territories, but being relatively new to mapping I'm struggling on a few details and also the best practices for displaying these ...
1
vote
0answers
43 views
Problems combining (union) Multipolygons in geodjango
I'm using geodjango and postgis (1.x),
What is the best way to combine (union) a list of multipolygons.
in what i assume is rather inefficient i'm looping trough like this
combined = multipolygon
...
3
votes
0answers
75 views
building larger polygons from smaller ones *without* a common id in PostGIS
I am looking for a means, using PostGIS, of reconstituting a set of polygons from tens of thousands of smaller polygon 'pieces'.
This is a simplified example, with the pieces shaded:
Unfortunately ...
3
votes
1answer
709 views
Postgis - Converting 'geometry_dump' data type to a 'geometry' type
I am working with a dataset of property boundaries that has had ST_Union() run on it, thus all the polygons appear as a multi polygon in one row of a table. I would like to separate these out so I get ...
5
votes
2answers
274 views
ArcMap Draw Camera Range with ArcPy
i am working on some camera data. I have some points which consist of azimuth, angle, distance, and of course coordinate field attributes. In arcmap I want to draw shapes like this:
The shape is ...
1
vote
1answer
438 views
Converting LinestringM to Polygon PostGIS
I'm working with PostGIS and plotting polygons on a Google Earth plugin. I've found a few examples via Google on how to convert a LinestringM to a Polygon for rendering, but none of them, including ...
