Geographic Information Systems

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QGIS is a cross-platform GIS application licensed under the GNU General Public License.
37020 questions
12 asked today, 73 this week
when ArcGIS Desktop is the product you are using but also tag for the application (ArcGIS Pro or ArcMap) that you are using.
20588 questions
5 asked today, 17 this week
Python is an open source interpreted programming language used in many GIS programs.
11246 questions
33 asked this week, 124 this month
A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.
10184 questions
12 asked this week, 43 this month
Raster is a data format consisting of regular grids of values, usually stored in an image-like format.
9233 questions
17 asked this week, 68 this month
PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
8817 questions
13 asked this week, 74 this month
A reference framework consisting of a set of points, lines, and/or surfaces, and a set of rules, used to define the positions of points in space in either two or three dimensions. This tag also refers…
7729 questions
13 asked this week, 58 this month
ArcMap is the former flagship application of ArcGIS Desktop and the tag for that (arcgis-desktop) should also be added for any questions about its GUI
7327 questions
10 asked this week, 40 this month
Python bindings for QGIS.
6714 questions
8 asked this week, 50 this month
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
5721 questions
14 asked this week, 54 this month
GeoServer is an open source software server written in Java that allows users to share and edit Geospatial data.
5452 questions
30 asked this month, 340 this year
A vector data storage format for storing the location, shape, and attributes of geographic features. Often referred to as 'an ESRI shapefile', as ESRI developed it.
5300 questions
6 asked this week, 30 this month
Statistical computing language and software environment.
5255 questions
8 asked this week, 40 this month
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
4542 questions
22 asked this week, 78 this month
On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.
4098 questions
11 asked this week, 32 this month
for questions specific to the 3.x series of QGIS.
3976 questions
8 asked this week, 30 this month
PostgreSQL is an open source object-relational database system.
3913 questions
6 asked this week, 24 this month
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
3909 questions
6 asked this week, 28 this month
when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
3579 questions
13 asked this year
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
3405 questions
16 asked this month, 234 this year
JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
3364 questions
15 asked this month, 233 this year
when you are using the DEPRECATED version 2.x of the OpenLayers JavaScript client toolkit.
3300 questions
14 asked this year
when ArcGIS 10.1 is the version you are using from the ArcGIS platform.
3088 questions
15 asked this year
OpenStreetMap is a collaborative project to create a free editable map of the world. The data is free, and free of legal and technical restrictions. OpenStreetMap is often shortened to OSM.
3058 questions
23 asked this month, 188 this year
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
2963 questions
11 asked this year
Use when your question is about one of the versions of the ArcGIS Pro application of ArcGIS Desktop
2862 questions
6 asked today, 25 this week
Software plugins that add functionality to the QGIS package
2819 questions
5 asked this week, 18 this month
when ArcGIS for Server is the product you are using from the ArcGIS platform.
2710 questions
44 asked this year
ArcObjects is a set of COM-based APIs from ESRI Inc. that are used in several of their products including ArcGIS Desktop, ArcGIS Engine and ArcGIS Server.
2461 questions
11 asked this year
GeoJSON is a geospatial data interchange format based on JavaScript Object Notation (JSON)
2447 questions
15 asked this month, 205 this year
allows you to perform calculations on the basis of existing attribute values or defined functions in QGIS, ArcGIS, etc.
2276 questions
11 asked this month, 199 this year
GRASS GIS (Geographic Resources Analysis Support System) is a free, open source geographical information system (GIS) specialized in handling raster, topological vector, image processing, and graphic …
2162 questions
7 asked this month, 110 this year
A Web Map Service (WMS) is a standard protocol for serving georeferenced map images over the Internet
2156 questions
9 asked this month, 145 this year
An application of ArcGIS Pro and also of ArcGIS Desktop 10.x that is used to create, edit and manage models within its Geoprocessing Framework
2156 questions
9 asked this month, 97 this year
A geometric element defined by a pair of x,y coordinates.
2142 questions
20 asked this month, 229 this year
Rendering values from attribute tables as text on maps near their feature. For questions about legend labels use the [legend] tag instead.
2136 questions
5 asked this week, 14 this month
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