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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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an open source project to make working with geospatial data in python easier.
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The selection of data from a database based on some criteria.
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Contour maps depict spatially-varying values, such as elevation, by means of curves of equal value.
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A framework, developed by Microsoft, that compiles any of several COM-based programming languages into machine-executable language.
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a proprietary file format from Adobe that creates lightweight text-based, formatted files for distribution to a variety of operating systems.
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To merge features based on specified attributes.
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an open source mapping toolkit, written in C++ and useful for both desktop- and server-based map rendering. It is used by Tilemill and openstreetmap. Learn more at
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a software stack for mobile devices that includes an operating system, middleware, and key applications," Wikipedia.
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refer to software running under the Mac OSes (OS X, iOS) and hardware built and developed by Apple Inc.
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A library for performing conversions between cartographic projections.
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One or more structured sets of persistent data, managed and stored as a unit and generally associated with software to update and query the data.
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Imagery refers to raster based datasets acquired from sensors on satellites or aircraft.
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A commercial relational database management system.
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The ratio between distances on a map and distances in the world
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To show, hide, extract, or remove particular data from a larger set, narrowing it down, or the specific criteria used to do so.
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added to standard toolboxes (*.tbx) of ArcGIS for Desktop
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Questions that pertain to the ubiquitous 'popup' in web-mapping libraries.
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Use for questions about vector grids which are also known as fishnets
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a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.
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Division or partition of geometric features
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An object-oriented programming language
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In ArcGIS, a collection of geographic features with the same geometry type (such as point, line, or polygon), the same attributes, and the same spatial reference.
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for embedding GIS data, maps and geoprocessing into desktop and mobile applications.
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A representation or description of a scene, typically produced by an optical or electronic device, such as a camera or a scanning radiometer.
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Application programming interface (API). A set of interfaces, methods, protocols, and tools that application developers use to build or customize a software program.
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a lightweight, human-readable data interchange format.
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To group or to do something in a group as opposed to doing it individually
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A spatial operation in which two or more maps or layers registered to a common coordinate system are superimposed, either digitally or on a transparent material, for the purpose of showing the relatio…
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Zonal statistics summarize the values of one raster within the zones of another dataset (either raster or vector) and output the results as a raster (for a single statistic) or table (for multiple sta…
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indicate a position, place, or route
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Command line utility to convert raster data between different formats.
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Collecting and analyzing numerical data or making numerical summaries of data.
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Select features based on their geographic position relative to features in another layer
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for Questions which are specific to the country of the United States of America (USA), Do not use for United States Virgin Islands (VIR)
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A sequence of point coordinates referring to the line segments connecting them, as used to represent a one-dimensional feature or object.
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Data about data