src/PIPELINE/VISU_StreamLinesPL.hxx

   1 //  VISU OBJECT : interactive object for VISU entities implementation
   2 //
   3 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
  21 //
  22 //
  23 // File:    VISU_PipeLine.hxx
  24 // Author:  Alexey PETROV
  25 // Module : VISU
  26
  27 #ifndef VISU_StreamLinesPL_HeaderFile
  28 #define VISU_StreamLinesPL_HeaderFile
  29
  30 #include "VISU_DeformedShapePL.hxx"
  31 #include <vtkStreamLine.h>
  32
  33 using namespace std;
  34
  35 class vtkPointSet;
  36 class vtkCellCenters;
  37 class VTKViewer_GeometryFilter;
  38 class VISU_UsedPointsFilter;
  39
  40 class VISU_StreamLinesPL : public VISU_DeformedShapePL
  41 {
  42 protected:
  43   VISU_StreamLinesPL();
  44   VISU_StreamLinesPL(const VISU_StreamLinesPL&);
  45
  46   virtual
  47   ~VISU_StreamLinesPL();
  48
  49 public:
  50   vtkTypeMacro(VISU_StreamLinesPL,VISU_DeformedShapePL);
  51
  52   static
  53   VISU_StreamLinesPL*
  54   New();
  55
  56   virtual
  57   void
  58   ShallowCopy(VISU_PipeLine *thePipeLine);
  59
  60   virtual
  61   int
  62   SetParams(vtkFloatingPointType theIntStep,
  63             vtkFloatingPointType thePropogationTime,
  64             vtkFloatingPointType theStepLength,
  65             vtkPointSet* theSource = NULL,
  66             vtkFloatingPointType thePercents = 0.3,
  67             int theDirection = VTK_INTEGRATE_BOTH_DIRECTIONS,
  68             int isOnlyTry = false);
  69
  70   virtual
  71   vtkPointSet*
  72   GetSource();
  73
  74   virtual
  75   vtkFloatingPointType
  76   GetUsedPoints();
  77
  78   virtual
  79   vtkFloatingPointType
  80   GetIntegrationStep();
  81
  82   virtual
  83   vtkFloatingPointType
  84   GetPropagationTime();
  85
  86   virtual
  87   vtkFloatingPointType
  88   GetStepLength();
  89
  90   virtual
  91   int
  92   GetDirection();
  93
  94   virtual
  95   vtkDataSet*
  96   GetStreamerSource();
  97
  98   virtual
  99   vtkFloatingPointType
 100   GetVelocityCoeff();
 101
 102   virtual
 103   vtkFloatingPointType
 104   GetMaxIntegrationStep();
 105
 106   virtual
 107   vtkFloatingPointType
 108   GetMinIntegrationStep();
 109
 110   virtual
 111   vtkFloatingPointType
 112   GetMinStepLength();
 113
 114   virtual
 115   vtkFloatingPointType
 116   GetMaxStepLength();
 117
 118   virtual
 119   vtkFloatingPointType
 120   GetMinPropagationTime();
 121
 122   virtual
 123   vtkFloatingPointType
 124   GetMaxPropagationTime();
 125
 126   virtual
 127   vtkFloatingPointType
 128   GetBasePropagationTime();
 129
 130 public:
 131   virtual
 132   THook*
 133   DoHook();
 134
 135   virtual
 136   void
 137   Init();
 138
 139   virtual
 140   void
 141   Update();
 142
 143   virtual
 144   void
 145   SetMapScale(vtkFloatingPointType theMapScale = 1.0);
 146
 147 public:
 148   static
 149   vtkFloatingPointType
 150   GetMaxIntegrationStep(vtkPointSet* theDataSet);
 151
 152   static
 153   vtkFloatingPointType
 154   GetMinIntegrationStep(vtkPointSet* theDataSet,
 155                         vtkFloatingPointType thePercents = 0.3);
 156   static
 157   vtkFloatingPointType
 158   GetBaseIntegrationStep(vtkPointSet* theDataSet,
 159                          vtkFloatingPointType thePercents = 0.3);
 160
 161   static
 162   vtkFloatingPointType
 163   GetMinPropagationTime(vtkPointSet* theDataSet);
 164
 165   static
 166   vtkFloatingPointType
 167   GetMaxPropagationTime(vtkPointSet* theDataSet);
 168
 169   static
 170   vtkFloatingPointType
 171   GetBasePropagationTime(vtkPointSet* theDataSet);
 172
 173   static
 174   vtkFloatingPointType
 175   GetMinStepLength(vtkPointSet* theDataSet);
 176
 177   static
 178   vtkFloatingPointType
 179   GetMaxStepLength(vtkPointSet* theDataSet);
 180
 181   static
 182   vtkFloatingPointType
 183   GetBaseStepLength(vtkPointSet* theDataSet);
 184
 185   static
 186   vtkFloatingPointType
 187   GetVelocityCoeff(vtkPointSet* theDataSet);
 188
 189   static
 190   int
 191   IsPossible(vtkPointSet* theDataSet,
 192              vtkFloatingPointType thePercents = 0.3);
 193
 194 protected:
 195   static
 196   vtkFloatingPointType
 197   GetNecasseryMemorySize(vtkIdType theNbOfPoints,
 198                          vtkFloatingPointType theStepLength,
 199                          vtkFloatingPointType thePropogationTime,
 200                          vtkFloatingPointType thePercents = 0.3);
 201
 202   static
 203   int
 204   FindPossibleParams(vtkPointSet* theDataSet,
 205                      vtkFloatingPointType& theStepLength,
 206                      vtkFloatingPointType& thePropogationTime,
 207                      vtkFloatingPointType& thePercents);
 208
 209   static
 210   vtkFloatingPointType
 211   CorrectIntegrationStep(vtkFloatingPointType theStep,
 212                          vtkPointSet* theDataSet,
 213                          vtkFloatingPointType thePercents = 0.3);
 214
 215   static
 216   vtkFloatingPointType
 217   CorrectPropagationTime(vtkFloatingPointType thePropagationTime,
 218                          vtkPointSet* theDataSet);
 219
 220   static
 221   vtkFloatingPointType
 222   CorrectStepLength(vtkFloatingPointType theStep,
 223                     vtkPointSet* theDataSet);
 224
 225   vtkStreamLine* myStream;
 226   vtkPointSet* mySource;
 227   vtkCellCenters* myCenters;
 228   VTKViewer_GeometryFilter *myGeomFilter;
 229   VISU_UsedPointsFilter *myPointsFilter;
 230   vtkFloatingPointType myPercents;
 231 };
 232
 233
 234 #endif
 235