The random tag has no wiki summary.
5
votes
1answer
222 views
Creating a subset of points shapefile with minimum distance between points in ArcGIS 10 [duplicate]
I have a sample of ~700 animal locations that I will be using for habitat selection analysis. I am trying to figure out a way to subsample my locations in a way that will maximize my sample size for ...
3
votes
1answer
57 views
Convert polygons to a number of randomly located points based on polygon size
ArcMap 10.1 on a PC. Working with a large shapefile with ~50,000 poygons with a wide range of size from 1,000+m. to <1m. I would like to convert these polygons into points so I can do some analysis ...
1
vote
1answer
98 views
Sorting points with QGIS
I have a very good idea of what I would like to do but I really do not know if it is possible with QGIS.
I have points that each one corresponds to a group size and I would like to use GIS to sort ...
1
vote
1answer
74 views
Set certain amount of pixels to 1 inside of a polygon (GRASS)
I have a rather coarse vector map with polygons and want to calculate a (sufficiently) finer raster map defined by spatial extension and resolution. Every polygon of the vector map has a value ...
1
vote
1answer
159 views
Is there a source for free CSV files with geo data and other desired fields? [closed]
I'm writing some software components that process geospatial data. The input data is a CSV with general columns (e.g. name) and geo columns (e.g. city, lat or zip). I would like to test these ...
0
votes
1answer
49 views
OpenLayers generate random polygon
I have a world map. I need randomly to generate polygons and render them on map.
I have no problem with rendering, but can anybody suggest how to generate polygons with random geometry? (I need n ...
0
votes
0answers
34 views
Using random select FTools in QGIS
I wanted to ask about Random Select in Ftools for QGis, I have a polygon and wanted to randomly select within a specific subgrup of poligons that refers to an administrative boundary, but I haven´t be ...
