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Geographic Information Systems

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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.

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QGIS is a cross-platform GIS application licensed under the GNU General Public License.
41593 questions
47 asked this week, 187 this month
when ArcGIS Desktop is the product you are using but also tag for the application (ArcGIS Pro or ArcMap) that you are using.
20999 questions
10 asked this month, 232 this year
Python is an open source interpreted programming language used in many GIS programs.
12196 questions
11 asked this week, 39 this month
A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.
10595 questions
9 asked this month, 172 this year
Raster is a data format consisting of regular grids of values, usually stored in an image-like format.
10023 questions
7 asked this week, 32 this month
PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
9469 questions
8 asked this week, 22 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…
8423 questions
7 asked this week, 28 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
7770 questions
7 asked this month, 164 this year
Python bindings for QGIS.
7663 questions
10 asked this week, 34 this month
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
6261 questions
12 asked this month, 323 this year
GeoServer is an open source software server written in Java that allows users to share and edit Geospatial data.
5932 questions
7 asked this week, 31 this month
Statistical computing language and software environment.
5906 questions
15 asked this month, 295 this year
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
5747 questions
8 asked this week, 40 this month
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.
5626 questions
5 asked this week, 13 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.
4537 questions
5 asked this week, 15 this month
for questions specific to the 3.x series of QGIS.
4449 questions
5 asked this week, 17 this month
PostgreSQL is an open source object-relational database system.
4220 questions
6 asked this week, 11 this month
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
4166 questions
122 asked this year
Use when your question is about one of the versions of the ArcGIS Pro application of ArcGIS Desktop
3897 questions
10 asked this week, 38 this month
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
3657 questions
121 asked this year
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
26 asked this year
when you are using the DEPRECATED version 2.x of the OpenLayers JavaScript client toolkit.
3293 questions
1 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.
3269 questions
10 asked this month, 145 this year
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
3057 questions
5 asked this week, 17 this month
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
2963 questions
5 asked this year
when ArcGIS for Server is the product you are using from the ArcGIS platform.
2741 questions
19 asked this year
GeoJSON is a geospatial data interchange format based on JavaScript Object Notation (JSON)
2663 questions
5 asked this month, 114 this year
allows you to perform calculations on the basis of existing attribute values or defined functions in QGIS, ArcGIS, etc.
2509 questions
97 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.
2471 questions
5 asked this year
A geometric element defined by a pair of x,y coordinates.
2417 questions
5 asked this week, 9 this month
A Web Map Service (WMS) is a standard protocol for serving georeferenced map images over the Internet
2362 questions
5 asked this month, 109 this year
Rendering values from attribute tables as text on maps near their feature. For questions about legend labels use the [legend] tag instead.
2357 questions
9 asked this month, 122 this year
The set of conventions, rules, or encoding systems that define how geographic features are represented with symbols on a map.
2304 questions
15 asked this month, 150 this year
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…
2298 questions
5 asked this week, 13 this month
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