Top "Gis" questions

A Geographic Information System (GIS) captures, stores, analyzes, manages, and presents data that are linked to location(s). The GIS Stack Exchange should be considered for questions with this tag.

Creating Shapefiles in R

I'm trying to create a shapefile in R that I will later import to either Fusion Table or some other …

r gis shapefile
Encoding problems with ogr2ogr and Postgis/PostgreSQL database

In our organization, we handle GIS content in different file formats. I need to put these files into a PostGIS …

postgresql character-encoding gis postgis gdal
How to use OpenStreetMap background on Matplotlib Basemap

This should be simple, but when I look for it I just find web packages. I need something better than …

python-2.7 gis openstreetmap matplotlib-basemap
QGis: How to import svg or raster images into Quantum GIS?

these vector or raster files being classic files without geocoordinates. They are lat/long projection, I want to import them …

map gis wikipedia openstreetmap qgis
How do I find the center of a number of geographic points?

If I have a series of points as longitude and latitude, how would I calculate the center of all of …

language-agnostic geometry gis point arcgis-js-api
Where and how can I install ArcPy for Python 2.7?

I have checked http://www.lfd.uci.edu/~gohlke/pythonlibs/, http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//003m00000002000000.…

python-2.7 gis arcpy
NoSQL and spatial data

Has any of you had any experience with using NoSQL (non-relational) databases to store spatial data? Are there any potential …

gis nosql spatial spatialite
How to calculate distance from a point to a line segment, on a sphere?

I have a line segment (great circle part) on earth. The line segment is defined by the coordinates of its …

language-agnostic geometry gis geospatial distance
How to project and resample a grid to match another grid with GDAL python?

Clarification: I somehow left out the key aspect: not using os.system or subprocess - just the python API. I'm …

python gis raster gdal osgeo
See if lat / long falls within a polygon using mysql

I have the created the table below CREATE TABLE geom (g GEOMETRY); and have inserted many rows, example below: INSERT …

mysql gis polygon point