Global Mapper SDK
| GM_DatumInfo_t Fields |
The GM_DatumInfo_t type exposes the following members.
| Name | Description | |
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mDatumName |
Name of datum
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mDeltaX |
Delta X in meters
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mDeltaY |
Delta Y in meters
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mDeltaZ |
Delta Z in meters
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mEllipsoidName |
Name of ellipsoid this datum is based on
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mMethod |
Transformation method
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mPrimeMeridian |
Prime meridian for datum (0.0 for Greenwich)
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mPrimeMeridianName |
Optional name of prime meridian
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mRotX |
Rotation in X in arc seconds (GM_Datum_BursaWolfe only)
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mRotY |
Rotation in Y in arc seconds (GM_Datum_BursaWolfe only)
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mRotZ |
Rotation in Z in arc seconds (GM_Datum_BursaWolfe only)
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mScale |
Scale factor (GM_Datum_BursaWolfe only)
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mSemiMajor |
Ellipsoid semi-major axis (output only)
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mSemiMinor |
Ellipsoid semi-major axis (output only)
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