GIS Dictionary

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  1. [data conversion] The process of converting the coordinates of a map or an image from one system to another, typically by shifting, rotating, scaling, skewing, or projecting them. Media\transformation.gif
  2. [photogrammetry] In imagery, a mathematical function that changes the image's geometry and resamples its pixels, forming a new image that conforms to a different coordinate reference or map projection system.
  3. [data conversion] A mathematical operation that converts an input image into an output image having a different form or characteristics.

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