Global Mapper SDK

## GM_DatumInfo_t Structure |

This type represents information about a datum

Syntax

C#

public struct GM_DatumInfo_t

The GM_DatumInfo_t type exposes the following members.

Fields

Name | Description | |
---|---|---|

mDatumName | Name of datum | |

mDeltaX | Delta X in meters | |

mDeltaY | Delta Y in meters | |

mDeltaZ | Delta Z in meters | |

mEllipsoidName | Name of ellipsoid this datum is based on | |

mMethod | Transformation method | |

mPrimeMeridian | Prime meridian for datum (0.0 for Greenwich) | |

mPrimeMeridianName | Optional name of prime meridian | |

mRotX | Rotation in X in arc seconds (GM_Datum_BursaWolfe only) | |

mRotY | Rotation in Y in arc seconds (GM_Datum_BursaWolfe only) | |

mRotZ | Rotation in Z in arc seconds (GM_Datum_BursaWolfe only) | |

mScale | Scale factor (GM_Datum_BursaWolfe only) | |

mSemiMajor | Ellipsoid semi-major axis (output only) | |

mSemiMinor | Ellipsoid semi-major axis (output only) |

See Also