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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

QGIS is a cross-platform GIS application licensed under the GNU General Public License.
41607 questions
when ArcGIS Desktop is the product you are using but also tag for the application (ArcGIS Pro or ArcMap) that you are using.
Python is an open source interpreted programming language used in many GIS programs.
A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.
Raster is a data format consisting of regular grids of values, usually stored in an image-like format.
10024 questions
PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
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…
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
Python bindings for QGIS.
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
GeoServer is an open source software server written in Java that allows users to share and edit Geospatial data.
Statistical computing language and software environment.
Google's cloud computing platform for geospatial data & analysis at
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.
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.
for questions specific to the 3.x series of QGIS.
PostgreSQL is an open source object-relational database system.
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
4167 questions
Use when your question is about one of the versions of the ArcGIS Pro application of ArcGIS Desktop
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
3657 questions
when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
3562 questions
JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
3368 questions
when you are using the DEPRECATED version 2.x of the OpenLayers JavaScript client toolkit.
3293 questions
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.
when ArcGIS 10.1 is the version you are using from the ArcGIS platform.
3074 questions
Software plugins that add functionality to the QGIS package
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
2962 questions
when ArcGIS for Server is the product you are using from the ArcGIS platform.
2742 questions
GeoJSON is a geospatial data interchange format based on JavaScript Object Notation (JSON)
allows you to perform calculations on the basis of existing attribute values or defined functions in QGIS, ArcGIS, etc.
2508 questions
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.
2471 questions
A geometric element defined by a pair of x,y coordinates.
A Web Map Service (WMS) is a standard protocol for serving georeferenced map images over the Internet
Rendering values from attribute tables as text on maps near their feature. For questions about legend labels use the [legend] tag instead.
The set of conventions, rules, or encoding systems that define how geographic features are represented with symbols on a map.
A layer is a collection of information. It contains specific elements of a gis in a specific presentation method (e.g raster or vector layer). Layers can be edited separately in order to create indivi…
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