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.

× 562
To join the attributes from one spatial data layer to another using their common location
× 552
Google's virtual globe application that allows users to view 3D buildings, imagery, terrain, any other information stored in KML files.
× 552
Questions related to GIS objects that have three dimensions.
× 549
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.
× 546
a spatial extension to SQLite, providing vector geodatabase functionality.
× 532
Software for which the original source code is made freely available and may be redistributed with or without modification.
× 531
For questions about ArcGIS Python Parser for labelling expressions and field calculations
× 528
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…
× 527
The vertical distance of a point or object above or below a reference surface or datum (generally mean sea level).
× 521
To bring data from one computer system or application into another.
× 519
a quantity that expresses the extent of a two-dimensional surface or shape, or planar lamina, in the plane.
× 516
a computer operating system based on the Debian Linux distribution and distributed as free and open source software, using its own desktop environment.
× 513
retrieve information from a database
× 488
a spreadsheet application from Microsoft with native *.xls and *.xlsx formats.
× 485
Routing consists of finding optimal paths along geographic networks such as roads or trail systems.
× 485
solve problems with a series of steps. Algorithms are usually encoded as a sequence of computer commands.
× 480
An application programming interface specific to Google Maps.
× 471
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.
× 467
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++.
× 465
A Geospatial Data Abstraction Library (GDAL) image mosaicing, reprojection, and warping utility.
× 456
an open source Python package for construction and analysis of 2D planar geometric objects common to geographic information systems.
× 454
a database that is optimized to store and query data that is related to objects in space, including points, lines and polygons.
× 447
To select data records according to logical criteria applied to their field values ("attributes")
× 437
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.
× 432
Questions about data from the Moderate-Resolution Imaging Spectroradiometer sensors aboard the Terra and Aqua satellites.
× 429
Version 2.0 of PostGIS brought a heavy set of new extensions for the PostgreSQL object-relational database, adding greater support for spatial objects.
× 424
A series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey.
× 414
the act of outputting GIS data to paper or to a file
× 414
A set of data elements arranged in rows and columns.
× 411
an open source project to make working with geospatial data in python easier.
× 410
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 …
× 409
Partitioning data points into subsets of objects according to their mutual "similarity," without using preexisting knowledge such as class labels.
× 409
when ArcGIS 10.5 is the version you are using from the ArcGIS platform.
× 406
Features that share some or all of their spatial location with other features.
× 398
a geodetic coordinate system, commonly referred to as EPSG:4326.
× 396
used to quickly identify vegetation and its condition in remotely-sensed data.