GIS Dictionary | Letter P

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– P –

Panchromatic
Imagery taken of all wavelengths within the visible spectrum, though not uniformly.

Planimeter
A mechanical or electronic device that calculates the area of a map feature.

Polygon
An area bounded by a closed loop of straight-line arc segments.

Positional Error
The difference between the true location and map location of a point.

Precision
The closeness with which the measurements agree with each other.

Projection
A mathmatical calculation transforming the three dimensional surface of the earth to a two-dimension plane.

GIS Acronyms that start with P

PARC – Public Access Resource Center

PDA – Personal Digital Assistants

More geographic concepts from the GIS dictionary:

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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