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   myIsShrinkable = false;
  45 }
  46
  47 VISU_CutPlanesPL::~VISU_CutPlanesPL(){
  48   myAppendPolyData->Delete();
  49 }
  50
  51 void VISU_CutPlanesPL::ShallowCopy(VISU_PipeLine *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   VISU_ScalarMapPL::ShallowCopy(thePipeLine);
  61 }
  62
  63 void VISU_CutPlanesPL::Init(){
  64   VISU_ScalarMapPL::Init();
  65
  66   SetNbParts(10);
  67   myBasePlane[0] = YZ;
  68   myDisplacement[0] = 0.5;
  69   myAng[0][0] = myAng[0][1] = myAng[0][2] = 0.0;
  70 }
  71
  72 VISU_ScalarMapPL::THook* VISU_CutPlanesPL::DoHook(){
  73   return myAppendPolyData->GetOutput();
  74 }
  75
  76 void VISU_CutPlanesPL::Update(){
  77   ClearAppendPolyData(myAppendPolyData);
  78   SetPartPosition();
  79   float aDir[3];
  80   GetDir(aDir,myAng[0],myBasePlane[0]);
  81   float aBounds[6];
  82   GetInput2()->GetBounds(aBounds);
  83   vtkDataSet* aDataSet = myFieldTransform->GetUnstructuredGridOutput();
  84   CutWithPlanes(myAppendPolyData,aDataSet,myNbParts,aDir,aBounds,
  85                 myPartPosition,myPartCondition,myDisplacement[0]);
  86
  87   VISU_ScalarMapPL::Update();
  88 }
  89
  90 void VISU_CutPlanesPL::SetPartPosition(int theNum){
  91   for(int i = 0; i < myNbParts; i++)
  92     myPartPosition[i] = GetPartPosition(i,theNum);
  93 }
  94
  95 void VISU_CutPlanesPL::ClearAppendPolyData(vtkAppendPolyData *theAppendPolyData){
  96   int iEnd = theAppendPolyData->GetNumberOfInputs();
  97   for(int i = iEnd-1; i >= 0; i--)
  98     theAppendPolyData->RemoveInput(theAppendPolyData->GetInput(i));
  99 }
 100
 101 float* VISU_CutPlanesPL::GetRx(float theRx[3][3], float thaAng){
 102   theRx[0][0] = 1.0;            theRx[0][1] = 0.0;            theRx[0][2] = 0.0;
 103   theRx[1][0] = 0.0;            theRx[1][1] = cos(thaAng);    theRx[1][2] = -sin(thaAng);
 104   theRx[2][0] = 0.0;            theRx[2][1] = sin(thaAng);    theRx[2][2] = cos(thaAng);
 105   return theRx[0];
 106 }
 107
 108
 109 float* VISU_CutPlanesPL::GetRy(float theRy[3][3], float thaAng){
 110   theRy[0][0] = cos(thaAng);    theRy[0][1] = 0.0;            theRy[0][2] = sin(thaAng);
 111   theRy[1][0] = 0.0;            theRy[1][1] = 1.0;            theRy[1][2] = 0.0;
 112   theRy[2][0] = -sin(thaAng);   theRy[2][1] = 0.0;            theRy[2][2] = cos(thaAng);
 113   return theRy[0];
 114 }
 115
 116
 117 float* VISU_CutPlanesPL::GetRz(float theRz[3][3], float thaAng){
 118   theRz[0][0] = cos(thaAng);    theRz[0][1] = -sin(thaAng);   theRz[0][2] = 0.0;
 119   theRz[1][0] = sin(thaAng);    theRz[1][1] = cos(thaAng);    theRz[1][2] = 0.0;
 120   theRz[2][0] = 0.0;            theRz[2][1] = 0.0;            theRz[2][2] = 1.0;
 121   return theRz[0];
 122 }
 123
 124
 125 void VISU_CutPlanesPL::CorrectPnt(float thePnt[3], const float BoundPrj[6]){
 126   for(int i = 0, j = 0; i < 3; ++i, j=2*i){
 127     if(thePnt[i] < BoundPrj[j]) thePnt[i] = BoundPrj[j];
 128     if(thePnt[i] > BoundPrj[j+1]) thePnt[i] = BoundPrj[j+1];
 129   }
 130 }
 131
 132 void VISU_CutPlanesPL::GetBoundProject(float BoundPrj[3], const float BoundBox[6], const float Dir[3]){
 133   float BoundPoints[8][3] = { {BoundBox[0],BoundBox[2],BoundBox[4]},
 134                               {BoundBox[1],BoundBox[2],BoundBox[4]},
 135                               {BoundBox[0],BoundBox[3],BoundBox[4]},
 136                               {BoundBox[1],BoundBox[3],BoundBox[4]},
 137                               {BoundBox[0],BoundBox[2],BoundBox[5]},
 138                               {BoundBox[1],BoundBox[2],BoundBox[5]},
 139                               {BoundBox[0],BoundBox[3],BoundBox[5]},
 140                               {BoundBox[1],BoundBox[3],BoundBox[5]}};
 141   BoundPrj[0] = vtkMath::Dot(Dir,BoundPoints[0]), BoundPrj[1] = BoundPrj[0];
 142   for(int i = 1; i < 8; i++){
 143     float tmp = vtkMath::Dot(Dir,BoundPoints[i]);
 144     if(BoundPrj[1] < tmp) BoundPrj[1] = tmp;
 145     if(BoundPrj[0] > tmp) BoundPrj[0] = tmp;
 146   }
 147   BoundPrj[2] = BoundPrj[1] - BoundPrj[0];
 148   BoundPrj[1] = BoundPrj[0] + (1.0 - EPS)*BoundPrj[2];
 149   BoundPrj[0] = BoundPrj[0] + EPS*BoundPrj[2];
 150   BoundPrj[2] = BoundPrj[1] - BoundPrj[0];
 151 }
 152
 153
 154 void VISU_CutPlanesPL::SetOrientation(const VISU_CutPlanesPL::PlaneOrientation& theOrient,
 155                                       float theXAng, float theYAng, int theNum)
 156 {
 157   myBasePlane[theNum] = theOrient;
 158   switch(myBasePlane[theNum]){
 159   case XY: myAng[theNum][0] = theXAng; break;
 160   case YZ: myAng[theNum][1] = theXAng; break;
 161   case ZX: myAng[theNum][2] = theXAng; break;
 162   }
 163   switch(myBasePlane[theNum]){
 164   case XY: myAng[theNum][1] = theYAng; break;
 165   case YZ: myAng[theNum][2] = theYAng; break;
 166   case ZX: myAng[theNum][0] = theYAng; break;
 167   }
 168 }
 169
 170
 171 const VISU_CutPlanesPL::PlaneOrientation& VISU_CutPlanesPL::GetPlaneOrientation(int theNum){
 172   return myBasePlane[theNum];
 173 }
 174
 175 float VISU_CutPlanesPL::GetRotateX(int theNum){
 176   switch(myBasePlane[theNum]){
 177   case XY: return myAng[theNum][0];
 178   case YZ: return myAng[theNum][1];
 179   case ZX: return myAng[theNum][2];
 180   }
 181   return 0;
 182 }
 183
 184 float VISU_CutPlanesPL::GetRotateY(int theNum){
 185   switch(myBasePlane[theNum]){
 186   case XY: return myAng[theNum][1];
 187   case YZ: return myAng[theNum][2];
 188   case ZX: return myAng[theNum][0];
 189   }
 190   return 0;
 191 }
 192
 193
 194 void VISU_CutPlanesPL::SetNbParts(int theNb) {
 195   myNbParts = theNb;
 196   myPartPosition.resize(myNbParts);
 197   myPartCondition.resize(myNbParts,1);
 198   Modified();
 199 }
 200
 201
 202 void VISU_CutPlanesPL::SetPartPosition(int thePartNumber, float thePartPosition){
 203   if(thePartNumber >= myNbParts) return;
 204   myPartPosition[thePartNumber] = thePartPosition;
 205   myPartCondition[thePartNumber] = 0;
 206   Modified();
 207 }
 208 float VISU_CutPlanesPL::GetPartPosition(int thePartNumber, int theNum){
 209   if(thePartNumber >= myNbParts) return 0;
 210   float aPosition = myPartPosition[thePartNumber];
 211   if(myPartCondition[thePartNumber]){
 212       float aDir[3], aBounds[6], aBoundPrj[3];
 213       GetInput2()->GetBounds(aBounds);
 214       GetDir(aDir,myAng[theNum],myBasePlane[theNum]);
 215       GetBoundProject(aBoundPrj,aBounds,aDir);
 216       if (myNbParts > 1){
 217         float aDBoundPrj = aBoundPrj[2]/(myNbParts - 1);
 218         float aDisplacement = aDBoundPrj * myDisplacement[theNum];
 219         float aStartPosition = aBoundPrj[0] - 0.5*aDBoundPrj + aDisplacement;
 220         aPosition = aStartPosition + thePartNumber*aDBoundPrj;
 221       }else
 222         aPosition = aBoundPrj[0] + aBoundPrj[2]*myDisplacement[theNum];
 223   }
 224   return aPosition;
 225 }
 226
 227
 228 void VISU_CutPlanesPL::SetPartDefault(int thePartNumber){
 229   if(thePartNumber >= myNbParts) return;
 230   myPartPosition[thePartNumber] = GetPartPosition(thePartNumber);
 231   myPartCondition[thePartNumber] = 1;
 232   Modified();
 233 }
 234 int VISU_CutPlanesPL::IsPartDefault(int thePartNumber){
 235   if(thePartNumber >= myNbParts) return 1;
 236   return myPartCondition[thePartNumber];
 237 }
 238
 239
 240 void VISU_CutPlanesPL::GetDir(float theDir[3],
 241                               const float theAng[3],
 242                               const PlaneOrientation& theBasePlane)
 243 {
 244   int iPlane = 0;
 245   float aRx[3][3], aRy[3][3], aRz[3][3], aRotation[3][3];
 246   switch(theBasePlane){
 247   case XY:
 248     if(fabs(theAng[0]) > EPS) GetRx(aRx,theAng[0]); else vtkMath::Identity3x3(aRx);
 249     if(fabs(theAng[1]) > EPS) GetRy(aRy,theAng[1]); else vtkMath::Identity3x3(aRy);
 250     vtkMath::Multiply3x3(aRx,aRy,aRotation);
 251     iPlane = 2;
 252     break;
 253   case YZ:
 254     if(fabs(theAng[1]) > EPS) GetRy(aRy,theAng[1]); else vtkMath::Identity3x3(aRy);
 255     if(fabs(theAng[2]) > EPS) GetRz(aRz,theAng[2]); else vtkMath::Identity3x3(aRz);
 256     vtkMath::Multiply3x3(aRy,aRz,aRotation);
 257     iPlane = 0;
 258     break;
 259   case ZX:
 260     if(fabs(theAng[2]) > EPS) GetRz(aRz,theAng[2]); else vtkMath::Identity3x3(aRz);
 261     if(fabs(theAng[0]) > EPS) GetRx(aRx,theAng[0]); else vtkMath::Identity3x3(aRx);
 262     vtkMath::Multiply3x3(aRz,aRx,aRotation);
 263     iPlane = 1;
 264     break;
 265   }
 266   for(int i = 0; i < 3; i++)
 267     theDir[i] = aRotation[i][iPlane];
 268 }
 269
 270
 271 void VISU_CutPlanesPL::CutWithPlane(vtkAppendPolyData* theAppendPolyData,
 272                                     vtkDataSet* theDataSet,
 273                                     float theDir[3], float theOrig[3])
 274 {
 275   vtkCutter *aCutPlane = vtkCutter::New();
 276   aCutPlane->SetInput(theDataSet);
 277   vtkPlane *aPlane = vtkPlane::New();
 278   aPlane->SetOrigin(theOrig);
 279
 280   aPlane->SetNormal(theDir);
 281   aCutPlane->SetCutFunction(aPlane);
 282   aPlane->Delete();
 283   theAppendPolyData->AddInput(aCutPlane->GetOutput());
 284   aCutPlane->Register(theAppendPolyData);
 285   aCutPlane->Delete();
 286 }
 287
 288
 289 void VISU_CutPlanesPL::CutWithPlanes(vtkAppendPolyData* theAppendPolyData, vtkDataSet* theDataSet,
 290                                      int theNbPlanes, float theDir[3], float theBounds[6],
 291                                      const vector<float>& thePlanePosition,
 292                                      const vector<int>& thePlaneCondition,
 293                                      float theDisplacement)
 294 {
 295   float aBoundPrj[3], aOrig[3], aPosition;
 296   GetBoundProject(aBoundPrj, theBounds, theDir);
 297   if(theNbPlanes > 1){
 298     float aDBoundPrj = aBoundPrj[2]/(theNbPlanes - 1);
 299     float aDisplacement = aDBoundPrj*theDisplacement;
 300     float aStartPosition = aBoundPrj[0] - 0.5*aDBoundPrj + aDisplacement;
 301     for (int i = 0; i < theNbPlanes; i++){
 302       aPosition = aStartPosition + i*aDBoundPrj;
 303       if(thePlaneCondition[i]){
 304         aPosition = aStartPosition + i*aDBoundPrj;
 305       }else
 306         aPosition = thePlanePosition[i];
 307       VISU::Mul(theDir,aPosition,aOrig);
 308       CutWithPlane(theAppendPolyData,theDataSet,theDir,aOrig);
 309     }
 310   }else{
 311     if(thePlaneCondition[0])
 312       aPosition = aBoundPrj[0] + aBoundPrj[2]*theDisplacement;
 313     else
 314       aPosition = thePlanePosition[0];
 315     VISU::Mul(theDir,aPosition,aOrig);
 316     CutWithPlane(theAppendPolyData,theDataSet,theDir,aOrig);
 317   }
 318   vtkPolyData *aPolyData = theAppendPolyData->GetOutput();
 319   aPolyData->Update();
 320   theAppendPolyData->Update();
 321 }