api:dk11:delphi:giscsprojections.tgis_csprojalbers
Table of Contents
TGIS_CSProjAlbers class
DK11 for Delphi | GisCsProjections.TGIS_CSProjAlbers | Classes | Constructors | Fields | Methods | Properties
Projection Albers Equal Area.
This component provides conversions between geodetic coordinates (latitude and longitude in radians) and Albers Equal Area Conic projection coordinates (easting and northing in meters) defined by two standard parallels.
Syntax
// Delphi type TGIS_CSProjAlbers = class( TGIS_CSProjAbstract ) end;
// C++ Builder class PASCALIMPLEMENTATION TGIS_CSProjAlbers : public TGIS_CSProjAbstract { };
Inheritance
Constructors
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Create | public | Creates an instance of the projection object and sets the default datum to WGS84. (Overrides TGIS_CSProjAbstract.Create) |
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Fields
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| FDatum | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FDescription | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FEllipsoid | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FError | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FIsEllipsoid | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FIsGrid | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FIsPureCylindrical | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FIsRevertible | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FIsSpheroid | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FIsXYZ | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FParameters | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FParametersSet | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FSubtype | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FValidityExtentWGS | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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| FValidityOriginWGS | protected | Property internal storage. (Inherited from TGIS_CSProjAbstract) |
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Methods
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Assign | public | Copy content of the provided object into a current object (Inherited from TGIS_CSAbstract) |
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| CreateCopy | public | Create a copy of the object. (Overrides TGIS_CSProjAbstract.CreateCopy) |
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| datumChanged | protected | Procedure will be called upon any datum change. (Overrides TGIS_CSProjAbstract.datumChanged) |
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| MarkDeprecated | public | Set object depreciation state. (Inherited from TGIS_CSAbstract) |
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| Project | public | This function projects geodetic (latitude and longitude) coordinates into projected (easting and northing) coordinates, according to the current ellipsoid and projection parameters. (Inherited from TGIS_CSProjAbstract) |
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| Project3D | public | This function projects geodetic (latitude and longitude) coordinates into projected (easting and northing) coordinates, according to the current ellipsoid and projection parameters. (Inherited from TGIS_CSProjAbstract) |
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| Project3D_Ref | public | This function projects geodetic (latitude and longitude) coordinates into projected (easting and northing in most cases) coordinates, according to the current ellipsoid and projection parameters. (Overrides TGIS_CSProjAbstract.Project3D_Ref) |
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| projectPost | protected | Procedure will be called from .Project after any projection code. (Inherited from TGIS_CSProjAbstract) |
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| projectPre | protected | Procedure will be called from .Project before any projection code. (Inherited from TGIS_CSProjAbstract) |
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| set_Validity(Double; Double; Double; Double) | protected | Set validity extent for the projection (in radians) (Inherited from TGIS_CSProjAbstract) |
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| set_Validity(Double; Double; Double; Double; Double; Double) | protected | Set validity extent for the projection (in radians) (Inherited from TGIS_CSProjAbstract) |
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| set_Validity(Double; Double; Double; Double; Double; Double; Double; Double) | protected | Set validity extent for the projection (in radians) (Inherited from TGIS_CSProjAbstract) |
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| Unproject | public | This function unprojects the projected (easting and northing) coordinates into unprojected geodetic (latitude and longitude) coordinates, according to the current ellipsoid and projection parameters. (Inherited from TGIS_CSProjAbstract) |
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| Unproject3D | public | This function unprojects the projected (easting and northing) coordinates into unprojected geodetic (latitude and longitude) coordinates, according to the current ellipsoid and projection parameters. (Inherited from TGIS_CSProjAbstract) |
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| Unproject3D_Ref | public | This function unprojects the projected (easting and northing in most cases) coordinates into unprojected geodetic (latitude and longitude) coordinates, according to the current ellipsoid and projection parameters. (Overrides TGIS_CSProjAbstract.Unproject3D_Ref) |
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| unprojectPost | protected | Procedure will be called from. (Inherited from TGIS_CSProjAbstract) |
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| unprojectPre | protected | Procedure will be called from .Unproject before any projection code. (Inherited from TGIS_CSProjAbstract) |
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Properties
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Azimuth | public | Azimuth angle. (Inherited from TGIS_CSProjAbstract) |
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| CentralMeridian | public | Central Meridian. (Inherited from TGIS_CSProjAbstract) |
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| Custom1 | public | Custom1. Valid and specific for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Custom1Name | public | Custom1Name. (Inherited from TGIS_CSProjAbstract) |
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| Custom2 | public | Custom2. Valid and specific for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Custom2Name | public | Custom2Name. (Inherited from TGIS_CSProjAbstract) |
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| Custom3 | public | Custom3. Valid and specific for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Custom3Name | public | Custom3Name. (Inherited from TGIS_CSProjAbstract) |
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| Custom4 | public | Custom4. Valid and specific for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Custom4Name | public | Custom4Name. (Inherited from TGIS_CSProjAbstract) |
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| Custom5 | public | Custom5. Valid and specific for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Custom5Name | public | Custom5Name. (Inherited from TGIS_CSProjAbstract) |
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| Custom6 | public | Custom6. Valid and specific for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Custom6Name | public | Custom6Name. (Inherited from TGIS_CSProjAbstract) |
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| Datum | public | Current Datum. (Inherited from TGIS_CSProjAbstract) |
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| Deprecated | public | If true, then object is deprecated. (Inherited from TGIS_CSAbstract) |
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| Description | public | Additional projection description. (Inherited from TGIS_CSProjAbstract) |
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| DescriptionEx | public | Descriptive name; for internal use of TGIS_CSAbstractListHelper. (Inherited from TGIS_CSAbstract) |
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| Ellipsoid | public | Current Ellipsoid. (Inherited from TGIS_CSProjAbstract) |
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| EPSG | public | EPSG code. (Inherited from TGIS_CSAbstract) |
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| Error | public | Error number. (Inherited from TGIS_CSProjAbstract) |
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| FalseEasting | public | False shift in meters. (Inherited from TGIS_CSProjAbstract) |
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| FalseNorthing | public | False shift in meters. (Inherited from TGIS_CSProjAbstract) |
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| FriendlyName | public | Friendly name constructed based on WKT (without underscores) and EPSG. (Inherited from TGIS_CSAbstract) |
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| IsEllipsoid | public | Does the projection work on ellipsoid. (Inherited from TGIS_CSProjAbstract) |
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| IsGrid | public | Does the projection is grid based. (Inherited from TGIS_CSProjAbstract) |
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| IsPureCylindrical | public | Is result of projection pure cylindicial (graticules are parallel). (Inherited from TGIS_CSProjAbstract) |
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| IsRevertible | public | Is projection revertible (so data can be projected and unprojected). (Inherited from TGIS_CSProjAbstract) |
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| IsSpheroid | public | Does the projection work on sphenoid. (Inherited from TGIS_CSProjAbstract) |
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| IsStandard | public | Does the projection is standard (not IsGrid, not IsXYZ and IsRevertible. (Inherited from TGIS_CSProjAbstract) |
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| IsXYZ | public | Does the projection is XYZ based. (Inherited from TGIS_CSProjAbstract) |
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| LatitudeOfCenter | public | Center Latitude. (Inherited from TGIS_CSProjAbstract) |
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| LatitudeOfOrigin | public | Origin latitude. (Inherited from TGIS_CSProjAbstract) |
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| LatitudeOfPoint_1 | public | Latitude of the first point. (Inherited from TGIS_CSProjAbstract) |
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| LatitudeOfPoint_2 | public | Latitude of the second point. (Inherited from TGIS_CSProjAbstract) |
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| LongitudeOfCenter | public | Center Longitude. (Inherited from TGIS_CSProjAbstract) |
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| LongitudeOfPoint_1 | public | Longitude of the first point. (Inherited from TGIS_CSProjAbstract) |
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| LongitudeOfPoint_2 | public | Longitude of the second point. (Inherited from TGIS_CSProjAbstract) |
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| MasterEPSG | public | EPSG code of the object for which current object is an alias. (Inherited from TGIS_CSAbstract) |
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| Parameters | public | All projection parameters. (Inherited from TGIS_CSProjAbstract) |
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| ParametersSet | public | Set of supported parameters. (Inherited from TGIS_CSProjAbstract) |
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| PseudoStandardParallel_1 | public | First Pseudo Standard parallel. (Inherited from TGIS_CSProjAbstract) |
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| ScaleFactor | public | Scale factor. (Inherited from TGIS_CSProjAbstract) |
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| StandardParallel_1 | public | First Standard parallel. (Inherited from TGIS_CSProjAbstract) |
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| StandardParallel_2 | public | Second Standard parallel. (Inherited from TGIS_CSProjAbstract) |
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| ValidityExtentWGS | public | Validity extent of the projection (in radians). (Inherited from TGIS_CSProjAbstract) |
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| ValidityOriginWGS | public | Origin of the validity extent of the projection (in radians). (Inherited from TGIS_CSProjAbstract) |
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| WKT | public | WKT name. (Inherited from TGIS_CSAbstract) |
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| XScale | public | X Scale. Valid for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| XYPlaneRotation | public | XY Scale. Valid for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| YScale | public | Y Scale. Valid for selected projections. (Inherited from TGIS_CSProjAbstract) |
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| Zone | public | Zone. Valid for selected projections. (Inherited from TGIS_CSProjAbstract) |
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Remarks
Parameters, which can be set for the projection:
| Parameter | Description |
|---|---|
| CentralMeridian | supported |
| LatitudeOfOrigin | supported |
| FalseEasting | supported |
| FalseNorthing | supported |
| StandardParallel_1 | default 29.5 deg |
| StandardParallel_2 | default 45.5 deg |
2022/11/16 01:15