GIS Dictionary

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Visual Basic

[non-ESRI software] A programming language developed by Microsoft based on an object-oriented form of the BASIC language and intended for […]

Visual Basic for Applications

[non-ESRI software] The embedded programming environment for automating, customizing, and extending ESRI applications, such as ArcMap and ArcCatalog. It offers

Visual C++

[programming] A Microsoft implementation of the C++ programming language which is part of Microsoft’s Visual Studio Development environment, used to

visual center

[map design] The point on a rectangular map or image to which the eye is drawn. The visual center lies

visual hierarchy

[map design] The presentation of features on a map in a way that implies relative importance, usually achieved with visual

visualization

[visualization] The representation of data in a viewable medium or format. In GIS, visualization is used to organize spatial data

VMap

[standards] Acronym for Vector Map. A vector-based data product in vector product format (VPF) at several scales divided into groups,

volume

1 [data analysis] In a TIN, the space (measured in cubic units) between a TIN surface and a plane at

Voronoi diagram

[Euclidean geometry] A partition of space into areas, or cells, that surround a set of geometric objects (usually points). These

voxel

[graphics computing] A three-dimensional pixel used to display and rotate three-dimensional images.

VPF

[data structures] Acronym for Vector Product Format. A vendor-neutral data format used to structure, store, and access geographic data according

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