-// SALOME FILTER : interactive object for VISU entities implementation
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
-// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
+// SALOME FILTER : interactive object for VISU entities implementation
// File : SALOME_Transform.cxx
// Author : Laurent CORNABE with help of Nicolas REJNERI
// Module : SALOME
-
-
+//
#include "VTKViewer_Transform.h"
#include <vtkObjectFactory.h>
#include <vtkMatrix4x4.h>
+static double EPS = 10e-4;
+
vtkStandardNewMacro(VTKViewer_Transform);
-void VTKViewer_Transform::SetScale(float theScaleX, float theScaleY, float theScaleZ){
+/*!Sets matrix scale.*/
+void VTKViewer_Transform::SetMatrixScale(double theScaleX, double theScaleY, double theScaleZ){
double aMatrix[16] = {theScaleX,0,0,0,
0,theScaleY,0,0,
0,0,theScaleZ,0,
0,0,0,1.0000000};
- vtkTransform::SetMatrix(aMatrix);
+ this->SetMatrix(aMatrix);
+}
+
+/*!Gets matrix scale.*/
+void VTKViewer_Transform::GetMatrixScale(double theScale[3]){
+ vtkMatrix4x4 *aTMatrix=this->GetMatrix();
+ const double aScaleX = aTMatrix->GetElement(0,0);
+ const double aScaleY = aTMatrix->GetElement(1,1);
+ const double aScaleZ = aTMatrix->GetElement(2,2);
+ theScale[0] = aScaleX;
+ theScale[1] = aScaleY;
+ theScale[2] = aScaleZ;
}
+/*!Checks: Is matrix identity, where used EPS value.
+ *If |aScaleX-1|<EPS && |aScaleY-1|<EPS && |aScaleY-1|<EPS return 1, esle 0.
+ */
int VTKViewer_Transform::IsIdentity(){
- float* aScale = GetScale();
- return (aScale[0] == 1.0 && aScale[1] == 1.0 && aScale[2] == 1.0);
+ double aScale[3];
+ this->GetMatrixScale(aScale);
+ return (fabs(aScale[0] - 1.0) < EPS &&
+ fabs(aScale[1] - 1.0) < EPS &&
+ fabs(aScale[2] - 1.0) < EPS);
}
