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SRM Reference Manual
Types SRM_Vertical_Datum_Code |
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/* * REGISTERABLE ENUM: SRM_Vertical_Datum_Code * * This data type specifies the list of reference surfaces used to * specify a vertical datum, which is used for defining a 3D * spatial reference frame (SRF) within the SRM. See the * Spatial Reference Model (SRM) for more details. */ typedef SRM_Short_Integer SRM_Vertical_Datum_Code;
| Enumerant | Definition | Value |
|---|---|---|
| SRM_VDATUM_MSL | Mean Sea Level |
1 |
| SRM_VDATUM_WGS84G | WGS 84 Geoid |
2 |
| SRM_VDATUM_WGS84E | WGS 84 Ellipsoid |
3 |
| SRM_VDATUM_SPHERICAL_ACM | R = 6371221.3 m. |
4 |
| SRM_VDATUM_SPHERICAL_COA | R = 6371229 m. |
5 |
| SRM_VDATUM_SPHERICAL_NOG | R = 6371000 m. |
6 |
| SRM_VDATUM_SPHERICAL_MFE | R = 6366707.02 m. |
7 |
| SRM_VDATUM_SPHERICAL_MOD_M | R = 6371230 m. |
8 |
| SRM_VDATUM_SPHERICAL_MOD_S | R = 6356910 m. |
9 |
| SRM_VDATUM_SPHERICAL_MOD_T | R = 6378390 m. |
10 |
| SRM_VDATUM_SPHERICAL_MM5 | R = 6370000 m. |
11 |
| SRM_VDATUM_EGM96 | Earth Gravity Model of 1996 Geoid |
12 |
| SRM_VDATUM_NAVD88 | North American Vertical Datum of 1988 |
13 |
| SRM_VDATUM_NGVD29 | National Geodetic Vertical Datum of 1929 |
14 |
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