Geographic Information Systems

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QGIS is a cross-platform GIS application licensed under the GNU General Public License.
39767 questions
15 asked today, 60 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.
20917 questions
8 asked this week, 29 this month
Python is an open source interpreted programming language used in many GIS programs.
11844 questions
8 asked today, 19 this week
A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.
10500 questions
6 asked this week, 15 this month
Raster is a data format consisting of regular grids of values, usually stored in an image-like format.
9770 questions
12 asked this week, 54 this month
PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
9242 questions
13 asked this week, 37 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…
8180 questions
7 asked this week, 27 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
7662 questions
20 asked this month, 315 this year
Python bindings for QGIS.
7349 questions
11 asked this week, 45 this month
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
6053 questions
7 asked this week, 26 this month
GeoServer is an open source software server written in Java that allows users to share and edit Geospatial data.
5738 questions
8 asked this week, 25 this month
Statistical computing language and software environment.
5709 questions
9 asked this week, 29 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.
5519 questions
15 asked this month, 253 this year
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
5380 questions
17 asked this week, 70 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.
4378 questions
7 asked this week, 21 this month
for questions specific to the 3.x series of QGIS.
4332 questions
24 asked this month, 402 this year
PostgreSQL is an open source object-relational database system.
4112 questions
5 asked this week, 20 this month
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
4091 questions
10 asked this month, 213 this year
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
3575 questions
11 asked this month, 201 this year
Use when your question is about one of the versions of the ArcGIS Pro application of ArcGIS Desktop
3568 questions
13 asked this week, 53 this month
when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
3568 questions
2 asked this year
JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
3383 questions
5 asked this month, 89 this year
when you are using the DEPRECATED version 2.x of the OpenLayers JavaScript client toolkit.
3295 questions
3 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.
3169 questions
11 asked this month, 159 this year
when ArcGIS 10.1 is the version you are using from the ArcGIS platform.
3079 questions
4 asked this year
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
2959 questions
6 asked this year
Software plugins that add functionality to the QGIS package
2954 questions
12 asked this month, 213 this year
when ArcGIS for Server is the product you are using from the ArcGIS platform.
2731 questions
5 asked this month, 31 this year
GeoJSON is a geospatial data interchange format based on JavaScript Object Notation (JSON)
2586 questions
11 asked this month, 165 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
12 asked this year
allows you to perform calculations on the basis of existing attribute values or defined functions in QGIS, ArcGIS, etc.
2435 questions
7 asked this month, 152 this year
A geometric element defined by a pair of x,y coordinates.
2303 questions
10 asked this month, 167 this year
A Web Map Service (WMS) is a standard protocol for serving georeferenced map images over the Internet
2289 questions
14 asked this month, 140 this year
Rendering values from attribute tables as text on maps near their feature. For questions about legend labels use the [legend] tag instead.
2267 questions
7 asked this month, 153 this year
The ArcGIS Maps SDK for JavaScript was formerly known as the ArcGIS API for JavaScript
2263 questions
57 asked 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 …
2233 questions
7 asked this month, 87 this year
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