api:dk11:delphi:giscsbase
Table of Contents
GisCsBase namespace
DK for Delphi | GisCsBase | Enums | Methods | Classes
Methods
| Name | Visibility | Description | |
|---|---|---|---|
| CanonicalWKT | public | Convert a WKT (Well-Known Text) string to a canonical form for reliable comparison and lookup. | |
| CSAreaList | public | Access the global list of areas of use and validity extents defined for coordinate system elements. | |
| CSDatumList | public | Access the global list of datum definitions used by the coordinate system framework. | |
| CSEllipsoidList | public | Access the global list of ellipsoid definitions used by the coordinate system framework. | |
| CSPrimeMeridianList | public | Access the global list of prime meridian definitions used by the coordinate system framework. | |
| CSTransformList | public | Access the global list of datum transformation definitions used by the coordinate system framework. | |
| CSUnitsList | public | Access the global list of coordinate system units including linear, angular, and areal definitions. | |
Classes
| Name | Description | |
|---|---|---|
| TGIS_CSAbstract | Base class for coordinate system definition elements identified by EPSG (European Petroleum Survey Group) codes and WKT (Well-Known Text) names. | |
| TGIS_CSAbstractList | Threaded base list for coordinate system definition objects with EPSG (European Petroleum Survey Group) and WKT (Well-Known Text) lookup. | |
| TGIS_CSAbstractListEnumerator | Enumerator for TGIS_CSAbstractList items. | |
| TGIS_CSArea | Geographic area or region definition for a coordinate system validity extent, specified as a rectangular bounding box where the coordinate system is applicable and expected to be accurate. | |
| TGIS_CSAreaList | Registry of datum validity areas. | |
| TGIS_CSDatum | Datum definition combining an ellipsoid and datum transformation parameters used to relate coordinates to WGS84 (World Geodetic System 1984, EPSG:4326). | |
| TGIS_CSDatumList | Registry of geodetic datum definitions. | |
| TGIS_CSEllipsoid | Ellipsoid or spheroid definition with semi-major axis, semi-minor axis, and derived geodetic properties. | |
| TGIS_CSEllipsoidList | Registry of ellipsoid definitions. | |
| TGIS_CSPrimeMeridian | Prime meridian definition specifying the zero-longitude reference for a geographic coordinate system. | |
| TGIS_CSPrimeMeridianList | List of prime meridian definitions. | |
| TGIS_CSTransformAbstract | Abstract datum transformation definition describing the method and parameters used to convert geodetic coordinates between datums. | |
| TGIS_CSTransformCoordinateFrameRotation | 7-parameter Helmert transformation (Coordinate Frame Rotation). | |
| TGIS_CSTransformGeocentricTranslations | 3-parameter geocentric translation transformation (EPSG method 9603). | |
| TGIS_CSTransformGeographicalAndHighOffsets | Geographical and height offset datum transformation. | |
| TGIS_CSTransformGeographicalOffsets | Geographical offset datum transformation. | |
| TGIS_CSTransformGridShift | Generic grid-based datum transformation that loads coordinate shift grids such as NADCON and NTv2 and interpolates a shift for each point. | |
| TGIS_CSTransformList | Registry of datum transformation definitions and parameters. | |
| TGIS_CSTransformMolodenskiBadekas | Molodensky-Badekas datum transformation (EPSG method 9636) using a local rotation origin instead of the geocenter. | |
| TGIS_CSTransformNadcon | NADCON grid-shift transformation (EPSG method 9613) for datum conversion using NOAA NADCON grid files. | |
| TGIS_CSTransformNTV2 | NTv2 grid-shift transformation (EPSG method 9615) for datum conversion using NTv2 grid files in .gsb format. | |
| TGIS_CSTransformPositionVector7Params | 7-parameter Helmert transformation (Position Vector, Bursa-Wolf). | |
| TGIS_CSUnits | Unit of measurement definition for linear, angular, areal, or automatic unit selection with conversion factors to base units. | |
| TGIS_CSUnitsList | Registry of coordinate measurement units such as linear, angular, and areal units. | |
Enumerations
| Name | Description | |
|---|---|---|
| TGIS_CSUnitsType | Type of measurement units. | |
2026/07/11 00:21