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00001 //  VISU OBJECT : interactive object for VISU entities implementation
00002 //
00003 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
00005 // 
00006 //  This library is free software; you can redistribute it and/or 
00007 //  modify it under the terms of the GNU Lesser General Public 
00008 //  License as published by the Free Software Foundation; either 
00009 //  version 2.1 of the License. 
00010 // 
00011 //  This library is distributed in the hope that it will be useful, 
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of 
00013 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
00014 //  Lesser General Public License for more details. 
00015 // 
00016 //  You should have received a copy of the GNU Lesser General Public 
00017 //  License along with this library; if not, write to the Free Software 
00018 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
00019 // 
00020 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 //
00023 //  File   : VISU_Extractor.hxx
00024 //  Author : Alexey PETROV
00025 //  Module : VISU
00026 
00027 #ifndef VISU_FieldTransform_HeaderFile
00028 #define VISU_FieldTransform_HeaderFile
00029 
00030 #include <vtkDataSetToDataSetFilter.h>
00031 
00032 #include "VTKViewer.h"
00033 
00034 class VTKViewer_Transform;
00035 
00036 class VTK_EXPORT VISU_FieldTransform : public vtkDataSetToDataSetFilter
00037 {
00038 public:
00039   vtkTypeMacro(VISU_FieldTransform,vtkDataSetToDataSetFilter);
00040   static VISU_FieldTransform *New();
00041 
00042   virtual void Update();
00043   virtual unsigned long GetMTime();
00044   
00045   static double Ident(double theArg);
00046   static double Log10(double theArg);
00047   typedef double (*TTransformFun)(double);
00048   void SetScalarTransform(TTransformFun theFunction);
00049   TTransformFun GetScalarTransform() { return myFunction;}
00050 
00051   void SetSpaceTransform(VTKViewer_Transform* theTransform);
00052   VTKViewer_Transform* GetSpaceTransform() { return myTransform;}
00053 
00054   vtkFloatingPointType* GetScalarRange(){ return myScalarRange; }
00055   void SetScalarRange(vtkFloatingPointType theScalarRange[2]);
00056   void SetScalarMin(vtkFloatingPointType theValue);
00057   void SetScalarMax(vtkFloatingPointType theValue);
00058 
00059 protected:
00060   VISU_FieldTransform();
00061   virtual ~VISU_FieldTransform();
00062   VISU_FieldTransform(const VISU_FieldTransform&) {};
00063   void operator=(const VISU_FieldTransform&) {};
00064   void Execute();
00065 
00066   VTKViewer_Transform *myTransform;
00067   TTransformFun myFunction;
00068   vtkFloatingPointType myScalarRange[2];
00069 };
00070 
00071 #endif
src/PIPELINE/VISU_FieldTransform.hxx
