src/PIPELINE/VISU_CutPlanesPL.cxx

   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.cxx
  24 // Author:  Alexey PETROV
  25 // Module : VISU
  26
  27
  28 #include "VISU_CutPlanesPL.hxx"
  29 #include "VISU_PipeLineUtils.hxx"
  30 #include "VTKViewer_GeometryFilter.h"
  31
  32 #include <vtkAppendPolyData.h>
  33 #include <vtkCutter.h>
  34 #include <vtkPlane.h>
  35
  36 using namespace std;
  37
  38 static float EPS = 1.0E-3;
  39
  40 vtkStandardNewMacro(VISU_CutPlanesPL);
  41
  42 VISU_CutPlanesPL::VISU_CutPlanesPL(){
  43   myAppendPolyData = vtkAppendPolyData::New();
  44 }
  45
  46 VISU_CutPlanesPL::~VISU_CutPlanesPL(){
  47   myAppendPolyData->Delete();
  48 }
  49
  50 void VISU_CutPlanesPL::ShallowCopy(VISU_PipeLine *thePipeLine){
  51   VISU_ScalarMapPL::ShallowCopy(thePipeLine);
  52   if(VISU_CutPlanesPL *aPipeLine = dynamic_cast<VISU_CutPlanesPL*>(thePipeLine)){
  53     SetOrientation(aPipeLine->GetPlaneOrientation(),
  54                    aPipeLine->GetRotateX(),aPipeLine->GetRotateY());
  55     SetDisplacement(aPipeLine->GetDisplacement());
  56     SetNbParts(aPipeLine->GetNbParts());
  57     for (int i = 0, iend = GetNbParts(); i < iend; i++)
  58       if(!aPipeLine->IsPartDefault(i))  SetPartPosition(i, aPipeLine->GetPartPosition(i));
  59   }
  60 }
  61
  62 void VISU_CutPlanesPL::Init(){
  63   VISU_ScalarMapPL::Init();
  64
  65   SetNbParts(10);
  66   myBasePlane[0] = YZ;
  67   myDisplacement[0] = 0.5;
  68   myAng[0][0] = myAng[0][1] = myAng[0][2] = 0.0;
  69 }
  70
  71 VISU_ScalarMapPL::THook* VISU_CutPlanesPL::DoHook(){
  72   return myAppendPolyData->GetOutput();
  73 }
  74
  75 void VISU_CutPlanesPL::Update(){
  76   ClearAppendPolyData(myAppendPolyData);
  77   SetPartPosition();
  78   float aDir[3];
  79   GetDir(aDir,myAng[0],myBasePlane[0]);
  80   float aBounds[6];
  81   myInput->GetBounds(aBounds);
  82   vtkDataSet* aDataSet = myFieldTransform->GetUnstructuredGridOutput();
  83   CutWithPlanes(myAppendPolyData,aDataSet,myNbParts,aDir,aBounds,
  84                 myPartPosition,myPartCondition,myDisplacement[0]);
  85
  86   VISU_ScalarMapPL::Update();
  87 }
  88
  89 void VISU_CutPlanesPL::SetPartPosition(int theNum){
  90   for(int i = 0; i < myNbParts; i++)
  91     myPartPosition[i] = GetPartPosition(i,theNum);
  92 }
  93
  94 void VISU_CutPlanesPL::ClearAppendPolyData(vtkAppendPolyData *theAppendPolyData){
  95   int iEnd = theAppendPolyData->GetNumberOfInputs();
  96   for(int i = iEnd-1; i >= 0; i--)
  97     theAppendPolyData->RemoveInput(theAppendPolyData->GetInput(i));
  98 }
  99
 100 float* VISU_CutPlanesPL::GetRx(float theRx[3][3], float thaAng){
 101   theRx[0][0] = 1.0;            theRx[0][1] = 0.0;            theRx[0][2] = 0.0;
 102   theRx[1][0] = 0.0;            theRx[1][1] = cos(thaAng);    theRx[1][2] = -sin(thaAng);
 103   theRx[2][0] = 0.0;            theRx[2][1] = sin(thaAng);    theRx[2][2] = cos(thaAng);
 104   return theRx[0];
 105 }
 106
 107
 108 float* VISU_CutPlanesPL::GetRy(float theRy[3][3], float thaAng){
 109   theRy[0][0] = cos(thaAng);    theRy[0][1] = 0.0;            theRy[0][2] = sin(thaAng);
 110   theRy[1][0] = 0.0;            theRy[1][1] = 1.0;            theRy[1][2] = 0.0;
 111   theRy[2][0] = -sin(thaAng);   theRy[2][1] = 0.0;            theRy[2][2] = cos(thaAng);
 112   return theRy[0];
 113 }
 114
 115
 116 float* VISU_CutPlanesPL::GetRz(float theRz[3][3], float thaAng){
 117   theRz[0][0] = cos(thaAng);    theRz[0][1] = -sin(thaAng);   theRz[0][2] = 0.0;
 118   theRz[1][0] = sin(thaAng);    theRz[1][1] = cos(thaAng);    theRz[1][2] = 0.0;
 119   theRz[2][0] = 0.0;            theRz[2][1] = 0.0;            theRz[2][2] = 1.0;
 120   return theRz[0];
 121 }
 122
 123
 124 void VISU_CutPlanesPL::CorrectPnt(float thePnt[3], const float BoundPrj[6]){
 125   for(int i = 0, j = 0; i < 3; ++i, j=2*i){
 126     if(thePnt[i] < BoundPrj[j]) thePnt[i] = BoundPrj[j];
 127     if(thePnt[i] > BoundPrj[j+1]) thePnt[i] = BoundPrj[j+1];
 128   }
 129 }
 130
 131 void VISU_CutPlanesPL::GetBoundProject(float BoundPrj[3], const float BoundBox[6], const float Dir[3]){
 132   float BoundPoints[8][3] = { {BoundBox[0],BoundBox[2],BoundBox[4]},
 133                               {BoundBox[1],BoundBox[2],BoundBox[4]},
 134                               {BoundBox[0],BoundBox[3],BoundBox[4]},
 135                               {BoundBox[1],BoundBox[3],BoundBox[4]},
 136                               {BoundBox[0],BoundBox[2],BoundBox[5]},
 137                               {BoundBox[1],BoundBox[2],BoundBox[5]},
 138                               {BoundBox[0],BoundBox[3],BoundBox[5]},
 139                               {BoundBox[1],BoundBox[3],BoundBox[5]}};
 140   BoundPrj[0] = vtkMath::Dot(Dir,BoundPoints[0]), BoundPrj[1] = BoundPrj[0];
 141   for(int i = 1; i < 8; i++){
 142     float tmp = vtkMath::Dot(Dir,BoundPoints[i]);
 143     if(BoundPrj[1] < tmp) BoundPrj[1] = tmp;
 144     if(BoundPrj[0] > tmp) BoundPrj[0] = tmp;
 145   }
 146   BoundPrj[2] = BoundPrj[1] - BoundPrj[0];
 147   BoundPrj[1] = BoundPrj[0] + (1.0 - EPS)*BoundPrj[2];
 148   BoundPrj[0] = BoundPrj[0] + EPS*BoundPrj[2];
 149   BoundPrj[2] = BoundPrj[1] - BoundPrj[0];
 150 }
 151
 152
 153 void VISU_CutPlanesPL::SetOrientation(const VISU_CutPlanesPL::PlaneOrientation& theOrient,
 154                                       float theXAng, float theYAng, int theNum)
 155 {
 156   myBasePlane[theNum] = theOrient;
 157   switch(myBasePlane[theNum]){
 158   case XY: myAng[theNum][0] = theXAng; break;
 159   case YZ: myAng[theNum][1] = theXAng; break;
 160   case ZX: myAng[theNum][2] = theXAng; break;
 161   }
 162   switch(myBasePlane[theNum]){
 163   case XY: myAng[theNum][1] = theYAng; break;
 164   case YZ: myAng[theNum][2] = theYAng; break;
 165   case ZX: myAng[theNum][0] = theYAng; break;
 166   }
 167 }
 168
 169
 170 const VISU_CutPlanesPL::PlaneOrientation& VISU_CutPlanesPL::GetPlaneOrientation(int theNum){
 171   return myBasePlane[theNum];
 172 }
 173
 174 float VISU_CutPlanesPL::GetRotateX(int theNum){
 175   switch(myBasePlane[theNum]){
 176   case XY: return myAng[theNum][0];
 177   case YZ: return myAng[theNum][1];
 178   case ZX: return myAng[theNum][2];
 179   }
 180   return 0;
 181 }
 182
 183 float VISU_CutPlanesPL::GetRotateY(int theNum){
 184   switch(myBasePlane[theNum]){
 185   case XY: return myAng[theNum][1];
 186   case YZ: return myAng[theNum][2];
 187   case ZX: return myAng[theNum][0];
 188   }
 189   return 0;
 190 }
 191
 192
 193 void VISU_CutPlanesPL::SetNbParts(int theNb) {
 194   myNbParts = theNb;
 195   myPartPosition.resize(myNbParts);
 196   myPartCondition.resize(myNbParts,1);
 197   Modified();
 198 }
 199
 200
 201 void VISU_CutPlanesPL::SetPartPosition(int thePartNumber, float thePartPosition){
 202   if(thePartNumber >= myNbParts) return;
 203   myPartPosition[thePartNumber] = thePartPosition;
 204   myPartCondition[thePartNumber] = 0;
 205   Modified();
 206 }
 207 float VISU_CutPlanesPL::GetPartPosition(int thePartNumber, int theNum){
 208   if(thePartNumber >= myNbParts) return 0;
 209   float aPosition = myPartPosition[thePartNumber];
 210   if(myPartCondition[thePartNumber]){
 211       float aDir[3], aBounds[6], aBoundPrj[3];
 212       myInput->GetBounds(aBounds);
 213       GetDir(aDir,myAng[theNum],myBasePlane[theNum]);
 214       GetBoundProject(aBoundPrj,aBounds,aDir);
 215       if (myNbParts > 1){
 216         float aDBoundPrj = aBoundPrj[2]/(myNbParts - 1);
 217         float aDisplacement = aDBoundPrj * myDisplacement[theNum];
 218         float aStartPosition = aBoundPrj[0] - 0.5*aDBoundPrj + aDisplacement;
 219         aPosition = aStartPosition + thePartNumber*aDBoundPrj;
 220       }else
 221         aPosition = aBoundPrj[0] + aBoundPrj[2]*myDisplacement[theNum];
 222   }
 223   return aPosition;
 224 }
 225
 226
 227 void VISU_CutPlanesPL::SetPartDefault(int thePartNumber){
 228   if(thePartNumber >= myNbParts) return;
 229   myPartPosition[thePartNumber] = GetPartPosition(thePartNumber);
 230   myPartCondition[thePartNumber] = 1;
 231   Modified();
 232 }
 233 int VISU_CutPlanesPL::IsPartDefault(int thePartNumber){
 234   if(thePartNumber >= myNbParts) return 1;
 235   return myPartCondition[thePartNumber];
 236 }
 237
 238
 239 void VISU_CutPlanesPL::GetDir(float theDir[3], float theAng[3], const PlaneOrientation& theBasePlane){
 240   int iPlane = 0;
 241   float aRx[3][3], aRy[3][3], aRz[3][3], aRotation[3][3];
 242   switch(theBasePlane){
 243   case XY:
 244     if(fabs(theAng[0]) > EPS) GetRx(aRx,theAng[0]); else vtkMath::Identity3x3(aRx);
 245     if(fabs(theAng[1]) > EPS) GetRy(aRy,theAng[1]); else vtkMath::Identity3x3(aRy);
 246     vtkMath::Multiply3x3(aRx,aRy,aRotation);
 247     iPlane = 2;
 248     break;
 249   case YZ:
 250     if(fabs(theAng[1]) > EPS) GetRy(aRy,theAng[1]); else vtkMath::Identity3x3(aRy);
 251     if(fabs(theAng[2]) > EPS) GetRz(aRz,theAng[2]); else vtkMath::Identity3x3(aRz);
 252     vtkMath::Multiply3x3(aRy,aRz,aRotation);
 253     iPlane = 0;
 254     break;
 255   case ZX:
 256     if(fabs(theAng[2]) > EPS) GetRz(aRz,theAng[2]); else vtkMath::Identity3x3(aRz);
 257     if(fabs(theAng[0]) > EPS) GetRx(aRx,theAng[0]); else vtkMath::Identity3x3(aRx);
 258     vtkMath::Multiply3x3(aRz,aRx,aRotation);
 259     iPlane = 1;
 260     break;
 261   }
 262   for(int i = 0; i < 3; i++)
 263     theDir[i] = aRotation[i][iPlane];
 264 }
 265
 266
 267 void VISU_CutPlanesPL::CutWithPlane(vtkAppendPolyData* theAppendPolyData,
 268                                     vtkDataSet* theDataSet,
 269                                     float theDir[3], float theOrig[3])
 270 {
 271   vtkCutter *aCutPlane = vtkCutter::New();
 272   aCutPlane->SetInput(theDataSet);
 273   vtkPlane *aPlane = vtkPlane::New();
 274   aPlane->SetOrigin(theOrig);
 275
 276   aPlane->SetNormal(theDir);
 277   aCutPlane->SetCutFunction(aPlane);
 278   aPlane->Delete();
 279   theAppendPolyData->AddInput(aCutPlane->GetOutput());
 280   aCutPlane->Register(theAppendPolyData);
 281   aCutPlane->Delete();
 282 }
 283
 284
 285 void VISU_CutPlanesPL::CutWithPlanes(vtkAppendPolyData* theAppendPolyData, vtkDataSet* theDataSet,
 286                                      int theNbPlanes, float theDir[3], float theBounds[6],
 287                                      const vector<float>& thePlanePosition,
 288                                      const vector<int>& thePlaneCondition,
 289                                      float theDisplacement)
 290 {
 291   float aBoundPrj[3], aOrig[3], aPosition;
 292   GetBoundProject(aBoundPrj, theBounds, theDir);
 293   if(theNbPlanes > 1){
 294     float aDBoundPrj = aBoundPrj[2]/(theNbPlanes - 1);
 295     float aDisplacement = aDBoundPrj*theDisplacement;
 296     float aStartPosition = aBoundPrj[0] - 0.5*aDBoundPrj + aDisplacement;
 297     for (int i = 0; i < theNbPlanes; i++){
 298       aPosition = aStartPosition + i*aDBoundPrj;
 299       if(thePlaneCondition[i]){
 300         aPosition = aStartPosition + i*aDBoundPrj;
 301       }else
 302         aPosition = thePlanePosition[i];
 303       VISU::Mul(theDir,aPosition,aOrig);
 304       CutWithPlane(theAppendPolyData,theDataSet,theDir,aOrig);
 305     }
 306   }else{
 307     if(thePlaneCondition[0])
 308       aPosition = aBoundPrj[0] + aBoundPrj[2]*theDisplacement;
 309     else
 310       aPosition = thePlanePosition[0];
 311     VISU::Mul(theDir,aPosition,aOrig);
 312     CutWithPlane(theAppendPolyData,theDataSet,theDir,aOrig);
 313   }
 314   vtkPolyData *aPolyData = theAppendPolyData->GetOutput();
 315   aPolyData->Update();
 316   theAppendPolyData->Update();
 317 }