GIS Dictionary

Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.

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calibration

  1. [accuracy] The comparison of the accuracy of an instrument's measurements to a known standard.
  2. [spatial analysis] In spatial analysis, the selection of attribute values and computational parameters that will cause a model to properly represent the situation being analyzed. For example, in pathfinding and allocation, calibration generally refers to assigning or calculating impedance values.