12.3.27 CS_WGS84ConversionInfo Class
Parameters for a geographic transformation into WGS84. The Bursa Wolf parameters should be applied to geocentric coordinates, where the X axis points towards the Greenwich Prime
Meridian, the Y axis points East, and the Z axis points North.
12.3.27.1 areaOfUse Attribute :
Human readable text describing intended region of transformation.
12.3.27.2 dx Attribute :
Bursa Wolf shift in meters.
12.3.27.3 dy Attribute :
Bursa Wolf shift in meters.
12.3.27.4 dz Attribute :
Bursa Wolf shift in meters.
12.3.27.5 ex Attribute :
Bursa Wolf rotation in arc seconds.
12.3.27.6 ey Attribute :
Bursa Wolf rotation in arc seconds.
12.3.27.7 ez Attribute :
Bursa Wolf rotation in arc seconds.
12.3.27.8 ppm Attribute :
Bursa Wolf scaling in parts per million.
Page 78 of 117 OGC Document Number 01-009
12.4 CT Logical Package: Co-ordinate Transformations
C T_MathT ransfor mFac tor y createAffineTransform
createConcatenatedTransform createPassThroughTransform
createParameterizedTransform createFromWKT
createFromXML isParameterAngular
isParameterLinear Interface
C T _C oo rdinateTransfor matio nAuthority F actor y authority : C haracterString
createF romTran sformation C ode createF romC oord in ateSystemCodes
Interface CT_CoordinateTransformationFactory
createFromC oordinateSy stems Inter face
C T _C oo rdinateTransfor mation name : C haracterString
authority : C haracterString authority Code : C haracterString
remark s : CharacterString areaOfUse : C haracterString
transformTy pe : CT_TransformTy pe sourceC S : C S_C oordinateSy stem
targetCS : CS_CoordinateSy stem mathTransform : C T_MathTransform
Interface
CT_MathTransform W KT : C haracterString
XML : C har acterString dimSo urce : Integer
dimTarget : I nteger identity : Boolean
getDomainFlag s ord : SequenceDouble : C T_DomainF lags getC odomainC onv exHullo rd : SequenceD ouble : Seq uenceDouble
transformcp : PT_Co ord in atePoint : PT _Coo rdinatePoint transformListo rd : SequenceD ouble : Seq uenceDo uble
deriv ativ ecp : P T_C oordinatePoint : PT_Matrix inv erse : C T_MathTransform
Interface
CT_Parameter name : CharacterString
v alue : Double Data Ty pe
CT_DomainFlags CT_DF_Inside : Integer = 1
CT_DF_O utside : Integer = 2 CT_DF_Discontinuous : Integer = 4
C od eList C T_TransformTy pe
C T_TT_Other : Integ er = 0 C T_TT_Co nv ersion : I nteger = 1
C T_TT_T ran sformation : I nteger = 2 C T_TT_Co nv ersionA ndTran sformation : Integer = 3
CodeList
Figure 11. Coordinate Transformation Class Diagram
Page 79 of 117 OGC Document Number 01-009
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