-
as seen on Stack Overflow
- Search for 'Stack Overflow'
Are there any open source tools or libraries (ideally in python) that are available for performing lots of intersections with 3D geometry read from an ESRI shapefile? Most of the tests will be simple line segments vs polygons.
I've looked into OGR 1.7.1 / GEOS 3.2.0, and whilst it loads the data…
>>> More
-
as seen on Stack Overflow
- Search for 'Stack Overflow'
I am trying to make a few effects in a C+GL game. So far I draw all my sprites as a quad, and it works.
However, I am trying to make a large ring appear at times, with a texture following that ring, as it takes less memory than a quad with the ring texture inside.
The type of ring I want to make…
>>> More
-
as seen on Stack Overflow
- Search for 'Stack Overflow'
Given two polygons:
POLYGON((1 0, 1 8, 6 4, 1 0))
POLYGON((4 1, 3 5, 4 9, 9 5, 4 1),(4 5, 5 7, 6 7, 4 4, 4 5))
How can I calculate the union (combined polygon)?
Dave's example uses SQL server to produce the union, but I need to accomplish the same in code. I'm looking for a mathematical formula…
>>> More
-
as seen on Stack Overflow
- Search for 'Stack Overflow'
I'm building a website in Django, and I want one of my datatypes to be a geographical polygon. I want to mark points on a map (say, in Google Maps) and then store the resulting polygon in the database.
Is there any way to do it that will save me the work of typing all the longitudes and latitudes…
>>> More
-
as seen on Stack Overflow
- Search for 'Stack Overflow'
This only happens in some IE's. Here: http://animactions.ca/Animactions/volet_entreprise.php
You may notice that when you click and drag on one of the circles, you will get something similar to this: http://img534.imageshack.us/img534/7578/errorra.png
I cannot figure it out. Here is my image map:
<p…
>>> More
