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.
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qgis× 6387
a user-friendly, cross-platform GIS application licensed under the GNU General Public License.
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arcgis-desktop× 3842
an Esri product from the ArcGIS Platform. This tag should be used to distinguish issues with it from those of ArcGIS for Server, ArcGIS for Mobile, ArcGIS Online, etc
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python× 3294
an open source interpreted programming language used in many GIS programs.
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arcgis-10.0× 2768
when ArcGIS 10.0 (or any of its service packs) is the ArcGIS Platform version you are using.
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openlayers× 2633
a JavaScript library for creating dynamic map widgets for web sites.
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postgis× 2315
an extension for the PostgreSQL object-relational database that adds support for geographic objects.
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arcgis× 1877
should only be used for questions concerning the ArcGIS Platform from Esri (as a whole). Try wherever possible to use a product tag such as arcgis-desktop, arcgis-server, arcgis-mobile or ar…
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raster× 1828
a data format consisting of regular grids of values, usually stored in an image-like format.
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arcgis-10.1× 1822
when ArcGIS 10.1 (or any of its service packs) is the ArcGIS Platform version you are using.
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arcpy× 1760
A site-package created by Esri to expose ArcObjects to Python.
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geoserver× 1704
an open source software server written in Java that allows users to share and edit geospatial data.
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arcmap× 1532
the main application of ArcGIS for Desktop and the tag for that (arcgis-desktop) should normally be used in preference
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arcobjects× 1409
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.
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arcgis-server× 1379
an Esri product from the ArcGIS Platform which is used "to create, manage, and distribute GIS services over the Web to support desktop, mobile and Web mapping applications."
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shapefile× 1304
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.
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gdal× 1018
GDAL (Geospatial Data Abstraction Library) is an open source translator library & set of command-line utilities for processing raster spatial data formats. As a library, it presents a single abstract …
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postgresql× 922
an open source object-relational database system.
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javascript× 865
a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
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openstreetmap× 857
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 shorted to OSM.
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projection× 832
any method of representing the surface of a sphere or other three-dimensional body on a plane
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arcgis-javascript-api× 807
web mapping API from Esri.
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polygon× 769
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.
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c#× 704
a .NET programming language.
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grass× 649
GRASS GIS (Geographic Resources Analysis Support System) is a free, open source geographical information system (GIS) capable of handling raster, topological vector, image processing, and graphic data…
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google-maps× 641
a web mapping service application and technology provided by Google free (for non-commercial use),
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wms× 636
a standard protocol for serving georeferenced map images over the Internet
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data× 635
Questions about obtaining data.
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geoprocessing× 630
a GIS operation used to manipulate GIS data. If you are performing geoprocessing using ArcGIS then the tag Geoprocessing-framework is specific to that software and should be used ins…
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web-mapping× 581
the process of designing, implementing, generating and delivering maps on the World Wide Web ..."
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arcsde× 572
for questions about the ArcSDE (Spatial Database Engine) component of Esri's ArcGIS for Server that is one way to enable access to spatial data stored in a Relational Database Management …
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arcgis-10.2× 565
when ArcGIS 10.2 (or any of its service packs) is the ArcGIS Platform version you are using.
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coordinate-system× 540
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.
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r× 535
Statistical computing language and software environment.
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modelbuilder× 531
An application of ArcGIS for Desktop that is used to create, edit and manage models within its Geoprocessing Framework
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vector× 531
A coordinate-based data model that represents geographic features as points, lines, and polygons.
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qgis-plugins× 517
Software plugins that add functionality to the QGIS package
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