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10 Cards in this Set
- Front
- Back
Plane coordinates for EAST/WEST
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Lambert Conformal
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Plane Coordinates for North/South
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Transverse Mercator
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Projection
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A mathematical formula to convert a 3d coordinates to 2d coordinates
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datums
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specifies the earths center/fundamental points
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ellipsoid
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semi major/minor axes -If the center of something is located by positioning an ellipsoid to match points, the resulting datum i called “local datum”. |
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how many degrees of separation between UTM zones?
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6
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web mercator
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uses spherical formulas at large scales
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standard mercator
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uses ellipsoid formulas at all scales
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properties of projections
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preserve area, preserve shape, preserve distance, preserve direction (At least one will be distorted)
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conformal
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preserves shape/angles locally (transverse Mercator)
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