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.

an open source Java library that provides tools for geospatial data.
Google's virtual globe application that allows users to view 3D buildings, imagery, terrain, any other information stored in KML files.
the minimum bounding box/rectangle (xmin, ymin and xmax, ymax) defined by coordinate pairs of a data source. All coordinates for the data source fall within this boundary.
Questions related to GIS objects that have three dimensions.
The vertical distance of a point or object above or below a reference surface or datum (generally mean sea level).
a spatial extension to SQLite, providing vector geodatabase functionality.
567 questions
For questions about ArcGIS Python Parser for labelling expressions and field calculations
retrieve information from a database
To bring data from one computer system or application into another.
545 questions
The field of study concerning statistical methods that use space and spatial relationships (such as distance, area, volume, length, height, orientation, centrality and/or other spatial characteristics…
545 questions
a quantity that expresses the extent of a two-dimensional surface or shape, or planar lamina, in the plane.
a computer operating system based on the Debian Linux distribution and distributed as free and open source software, using its own desktop environment.
534 questions
an open source project to make working with geospatial data in Python easier.
Software for which the original source code is made freely available and may be redistributed with or without modification.
531 questions
an open source Python package for construction and analysis of 2D planar geometric objects common to geographic information systems.
The process of sorting or arranging entities into groups or categories; on a map, the process of representing members of a group by the same symbol, usually defined in a legend.
A Geospatial Data Abstraction Library (GDAL) image mosaicing, reprojection, and warping utility.
a spreadsheet application from Microsoft with native *.xls and *.xlsx formats.
Routing consists of finding optimal paths along geographic networks such as roads or trail systems.
499 questions
An application programming interface specific to Google Maps.
solve problems with a series of steps. Algorithms are usually encoded as a sequence of computer commands.
493 questions
SAGA (System for Automated Geoscientific Analyses) is a GIS toolbox with many modules that can be used from the GUI, command line or accessed through R,python or directly using C++.
To select data records according to logical criteria applied to their field values ("attributes")
A series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey.
Questions about data from the Moderate-Resolution Imaging Spectroradiometer sensors aboard the Terra and Aqua satellites.
Topology describes non-metric relationships among geometric figures, such as adjacency, containment, and orientation. It is a branch of Mathematics, which deals in geometry without measurement.
461 questions
a database that is optimized to store and query data that is related to objects in space, including points, lines and polygons.
450 questions
used to quickly identify vegetation and its condition in remotely-sensed data.
Features that share some or all of their spatial location with other features.
when ArcGIS 10.5 is the version you are using from the ArcGIS platform.
A set of data elements arranged in rows and columns.
Partitioning data points into subsets of objects according to their mutual "similarity," without using preexisting knowledge such as class labels.
432 questions
Version 2.0 of PostGIS brought a heavy set of new extensions for the PostgreSQL object-relational database, adding greater support for spatial objects.
432 questions
the name of an ellipsoid (EPSG::7030), the name of a geodetic coordinate reference system (EPSG::4326), and the alias of a datum (EPSG::6326), official name World Geodetic Sy…
the act of outputting GIS data to paper or to a file
424 questions
An interconnected set of points and lines that represent possible routes from one location to another, OR in computing, a group of computers connected in order to share software, data, and peripheral …
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