include/opencascade/IGESGeom_TransformationMatrix.hxx

0001 // Created on: 1993-01-09
0002 // Created by: CKY / Contract Toubro-Larsen ( Kiran )
0003 // Copyright (c) 1993-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _IGESGeom_TransformationMatrix_HeaderFile
0018 #define _IGESGeom_TransformationMatrix_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <TColStd_HArray2OfReal.hxx>
0024 #include <IGESData_TransfEntity.hxx>
0025 #include <Standard_Integer.hxx>
0026 class gp_GTrsf;
0027
0028
0029 class IGESGeom_TransformationMatrix;
0030 DEFINE_STANDARD_HANDLE(IGESGeom_TransformationMatrix, IGESData_TransfEntity)
0031
0032 //! defines IGESTransformationMatrix, Type <124> Form <0>
0033 //! in package IGESGeom
0034 //! The transformation matrix entity transforms three-row column
0035 //! vectors by means of matrix multiplication and then a vector
0036 //! addition. This entity can be considered as an "operator"
0037 //! entity in that it starts with the input vector, operates on
0038 //! it as described above, and produces the output vector.
0039 class IGESGeom_TransformationMatrix : public IGESData_TransfEntity
0040 {
0041
0042 public:
0043
0044
0045   Standard_EXPORT IGESGeom_TransformationMatrix();
0046
0047   //! This method is used to set the fields of the class
0048   //! TransformationMatrix
0049   //! - aMatrix : 3 x 4 array containing elements of the
0050   //! transformation matrix
0051   //! raises exception if aMatrix is not 3 x 4 array
0052   Standard_EXPORT void Init (const Handle(TColStd_HArray2OfReal)& aMatrix);
0053
0054   //! Changes FormNumber (indicates the Type of Transf :
0055   //! Transformation 0-1 or Coordinate System 10-11-12)
0056   //! Error if not in ranges [0-1] or [10-12]
0057   Standard_EXPORT void SetFormNumber (const Standard_Integer form);
0058
0059   //! returns individual Data
0060   //! Error if I not in [1-3] or J not in [1-4]
0061   Standard_EXPORT Standard_Real Data (const Standard_Integer I, const Standard_Integer J) const;
0062
0063   //! returns the transformation matrix
0064   //! 4th row elements of GTrsf will always be 0, 0, 0, 1 (not defined)
0065   Standard_EXPORT gp_GTrsf Value() const Standard_OVERRIDE;
0066
0067
0068
0069
0070   DEFINE_STANDARD_RTTIEXT(IGESGeom_TransformationMatrix,IGESData_TransfEntity)
0071
0072 protected:
0073
0074
0075
0076
0077 private:
0078
0079
0080   Handle(TColStd_HArray2OfReal) theData;
0081
0082
0083 };
0084
0085
0086
0087
0088
0089
0090
0091 #endif // _IGESGeom_TransformationMatrix_HeaderFile