GIS Dictionary

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centerline vectorization

[data capture] The generation of vector features along the center of connected cells. It is typically used for vectorizing scanned

centerpoint

In aerial photography, the point at the exact center of an aerial photograph.

central meridian

[coordinate systems] The line of longitude that defines the center and often the x-origin of a projected coordinate system. In

centroid

[data capture] The geometric center of a feature. For line, polygon, or three-dimensional features, it is the center of mass

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