src/VISU_I/VISU_StreamLines_i.cc

   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_PrsObject_i.cxx
  24 //  Author : Alexey PETROV
  25 //  Module : VISU
  26
  27 #include "VISU_StreamLines_i.hh"
  28 #include "VISU_Result_i.hh"
  29
  30 #include "VISU_Actor.h"
  31 #include "VISU_StreamLinesPL.hxx"
  32 #include "VISU_Convertor.hxx"
  33
  34 #include <vtkDataSetMapper.h>
  35 #include <vtkAppendFilter.h>
  36 #include <vtkUnstructuredGrid.h>
  37
  38 using namespace VISU;
  39 using namespace std;
  40
  41 #ifdef _DEBUG_
  42 static int MYDEBUG = 0;
  43 #else
  44 static int MYDEBUG = 0;
  45 #endif
  46
  47 int VISU::StreamLines_i::IsPossible(Result_i* theResult, const char* theMeshName, VISU::Entity theEntity,
  48                                     const char* theFieldName, int theIteration, int isMemoryCheck)
  49 {
  50   try{
  51     if(!VISU::ScalarMap_i::IsPossible(theResult,theMeshName,theEntity,theFieldName,theIteration,false))
  52       return 0;
  53
  54     VISU::PIDMapper anIDMapper =
  55       theResult->GetInput()->GetTimeStampOnMesh(theMeshName,VISU::TEntity(theEntity),theFieldName,theIteration);
  56     VISU::TVTKOutput* aDataSet = anIDMapper->GetVTKOutput();
  57     bool aResult = VISU_StreamLinesPL::IsPossible(aDataSet);
  58     MESSAGE("StreamLines_i::IsPossible - aResult = "<<aResult);
  59     return aResult;
  60   }catch(std::exception& exc){
  61     INFOS("Follow exception was occured :\n"<<exc.what());
  62   }catch(...){
  63     INFOS("Unknown exception was occured!");
  64   }
  65   return 0;
  66 }
  67
  68
  69 int VISU::StreamLines_i::myNbPresent = 0;
  70 QString VISU::StreamLines_i::GenerateName() { return VISU::GenerateName("StreamLines",myNbPresent++);}
  71
  72
  73 const string VISU::StreamLines_i::myComment = "STREAMLINES";
  74 const char* VISU::StreamLines_i::GetComment() const { return myComment.c_str();}
  75
  76
  77 VISU::StreamLines_i::
  78 StreamLines_i(Result_i* theResult,
  79               bool theAddToStudy) :
  80   PrsObject_i(theResult->GetStudyDocument()),
  81   Prs3d_i(theResult,theAddToStudy),
  82   ColoredPrs3d_i(theResult,theAddToStudy),
  83   ScalarMap_i(theResult,theAddToStudy),
  84   DeformedShape_i(theResult,theAddToStudy),
  85   myStreamLinesPL(NULL),
  86   myAppendFilter(vtkAppendFilter::New())
  87 {
  88 }
  89
  90
  91 VISU::StreamLines_i::
  92 StreamLines_i(Result_i* theResult,
  93               SALOMEDS::SObject_ptr theSObject) :
  94   PrsObject_i(theResult->GetStudyDocument()),
  95   Prs3d_i(theResult,theSObject),
  96   ColoredPrs3d_i(theResult,theSObject),
  97   ScalarMap_i(theResult,theSObject),
  98   DeformedShape_i(theResult,theSObject),
  99   myStreamLinesPL(NULL),
 100   myAppendFilter(vtkAppendFilter::New())
 101 {
 102 }
 103
 104
 105 void VISU::StreamLines_i::SameAs(const Prs3d_i* theOrigin)
 106 {
 107   TSuperClass::SameAs(theOrigin);
 108
 109   if(const StreamLines_i* aPrs3d = dynamic_cast<const StreamLines_i*>(theOrigin)) {
 110     StreamLines_i* anOrigin = const_cast<StreamLines_i*>(aPrs3d);
 111     SetSource(anOrigin->GetSource());
 112   }
 113 }
 114
 115
 116 VISU::Storable* VISU::StreamLines_i::Create(const char* theMeshName, VISU::Entity theEntity,
 117                                             const char* theFieldName, int theIteration)
 118 {
 119   return DeformedShape_i::Create(theMeshName,theEntity,theFieldName,theIteration);
 120 }
 121
 122
 123 VISU::Storable* VISU::StreamLines_i::Restore(const Storable::TRestoringMap& theMap)
 124 {
 125   TSuperClass::Restore(theMap);
 126
 127   double anIntegrationStep = VISU::Storable::FindValue(theMap,"myIntegrationStep").toDouble();
 128   double aPropagationTime = VISU::Storable::FindValue(theMap,"myPropagationTime").toDouble();
 129   double aStepLength = VISU::Storable::FindValue(theMap,"myStepLength").toDouble();
 130   int aDirection = VISU::StreamLines::Direction(VISU::Storable::FindValue(theMap,"myDirection").toInt());
 131   double aPercents = VISU::Storable::FindValue(theMap,"myPercents").toDouble();
 132   SetParams(anIntegrationStep,
 133             aPropagationTime,
 134             aStepLength,
 135             VISU::Prs3d::_nil(),
 136             aPercents,
 137             VISU::StreamLines::Direction(aDirection));
 138   mySourceEntry = VISU::Storable::FindValue(theMap,"mySourceEntry").latin1();
 139
 140   return this;
 141 }
 142
 143
 144 void VISU::StreamLines_i::ToStream(std::ostringstream& theStr){
 145   DeformedShape_i::ToStream(theStr);
 146
 147   Storable::DataToStream( theStr, "myIntegrationStep", GetIntegrationStep());
 148   Storable::DataToStream( theStr, "myPropagationTime", GetPropagationTime());
 149   Storable::DataToStream( theStr, "myStepLength", GetStepLength());
 150
 151   Storable::DataToStream( theStr, "myDirection", int(GetDirection()));
 152   Storable::DataToStream( theStr, "myPercents", GetUsedPoints());
 153
 154   Storable::DataToStream( theStr, "mySourceEntry", mySourceEntry.c_str());
 155 }
 156
 157
 158 VISU::StreamLines_i::~StreamLines_i(){
 159   if(MYDEBUG) MESSAGE("StreamLines_i::~StreamLines_i()");
 160   myAppendFilter->UnRegisterAllOutputs();
 161   myAppendFilter->Delete();
 162 }
 163
 164
 165 CORBA::Boolean
 166 VISU::StreamLines_i::SetParams(CORBA::Double theIntStep,
 167                                CORBA::Double thePropogationTime,
 168                                CORBA::Double theStepLength,
 169                                VISU::Prs3d_ptr thePrs3d,
 170                                CORBA::Double thePercents,
 171                                VISU::StreamLines::Direction theDirection)
 172 {
 173   VISU::Prs3d_i* aPrs3di = NULL;
 174   vtkPointSet* aSource = NULL;
 175   if(!thePrs3d->_is_nil())
 176     if((aPrs3di = dynamic_cast<VISU::Prs3d_i*>(VISU::GetServant(thePrs3d).in()))){
 177       for(int i = myAppendFilter->GetNumberOfInputs()-1; i >= 0; i--)
 178         myAppendFilter->RemoveInput(myAppendFilter->GetInput(i));
 179       myAppendFilter->AddInput(aPrs3di->GetPL()->GetMapper()->GetInput());
 180       aSource = myAppendFilter->GetOutput();
 181     }
 182   int isAccepted = myStreamLinesPL->SetParams(theIntStep,
 183                                               thePropogationTime,
 184                                               theStepLength,
 185                                               aSource,
 186                                               thePercents,
 187                                               theDirection,
 188                                               1);
 189   if(isAccepted == 1) SetSource(aPrs3di);
 190   return isAccepted == 1;
 191 }
 192
 193
 194 void VISU::StreamLines_i::SetSource(VISU::Prs3d_ptr thePrs3d){
 195   if(!thePrs3d->_is_nil()){
 196     VISU::Prs3d_i* aPrs3di = dynamic_cast<VISU::Prs3d_i*>(VISU::GetServant(thePrs3d).in());
 197     SetSource(aPrs3di);
 198   }
 199 }
 200 void VISU::StreamLines_i::SetSource(VISU::Prs3d_i* thePrs3d){
 201   mySourceEntry = "";
 202   if(thePrs3d){
 203     SALOMEDS::SObject_var aSObject = thePrs3d->GetSObject();
 204     CORBA::String_var aString = aSObject->GetID();
 205     mySourceEntry = aString.in();
 206   }
 207 }
 208 void VISU::StreamLines_i::SetSource(){
 209   if(!myStreamLinesPL->GetSource() && mySourceEntry == "") return;
 210   if(myStreamLinesPL->GetSource() == myAppendFilter->GetOutput()) return;
 211   VISU::Prs3d_var aPrs3d = GetSource();
 212   SetParams(GetIntegrationStep(),
 213             GetPropagationTime(),
 214             GetStepLength(),
 215             aPrs3d,
 216             GetUsedPoints(),
 217             GetDirection());
 218 }
 219
 220
 221 CORBA::Double VISU::StreamLines_i::GetIntegrationStep() {
 222   return myStreamLinesPL->GetIntegrationStep();
 223 }
 224
 225 CORBA::Double VISU::StreamLines_i::GetPropagationTime() {
 226   return myStreamLinesPL->GetPropagationTime();
 227 }
 228
 229 CORBA::Double VISU::StreamLines_i::GetStepLength() {
 230   return myStreamLinesPL->GetStepLength();
 231 }
 232
 233 VISU::StreamLines::Direction VISU::StreamLines_i::GetDirection() {
 234   return VISU::StreamLines::Direction(myStreamLinesPL->GetDirection());
 235 }
 236
 237
 238 VISU::Prs3d_ptr VISU::StreamLines_i::GetSource(){
 239   VISU::Prs3d_var aPrs3d;
 240   if(MYDEBUG) MESSAGE("StreamLines_i::GetSource() mySourceEntry = '"<<mySourceEntry<<"'");
 241   if(mySourceEntry != ""){
 242     SALOMEDS::SObject_var aSObject = myStudy->FindObjectID(mySourceEntry.c_str());
 243     CORBA::Object_var anObj = SObjectToObject(aSObject);
 244     if(!CORBA::is_nil(anObj)) aPrs3d = VISU::Prs3d::_narrow(anObj);
 245   }
 246   return aPrs3d._retn();
 247 }
 248
 249 CORBA::Double VISU::StreamLines_i::GetUsedPoints() {
 250   return myStreamLinesPL->GetUsedPoints();
 251 }
 252
 253
 254 void VISU::StreamLines_i::DoHook(){
 255   if(!myPipeLine) myPipeLine = VISU_StreamLinesPL::New();
 256   myStreamLinesPL = dynamic_cast<VISU_StreamLinesPL*>(myPipeLine);
 257
 258   DeformedShape_i::DoHook();
 259 }
 260
 261
 262 void VISU::StreamLines_i::Update() {
 263   SetSource();
 264   VISU::DeformedShape_i::Update();
 265 }
 266
 267
 268 VISU_Actor*
 269 VISU::StreamLines_i
 270 ::CreateActor(const Handle(SALOME_InteractiveObject)& theIO)
 271 {
 272   if(VISU_Actor* anActor = VISU::DeformedShape_i::CreateActor(theIO)){
 273     anActor->SetVTKMapping(true);
 274     return anActor;
 275   }
 276   return NULL;
 277 }
 278
 279
 280 void VISU::StreamLines_i::UpdateActor(VISU_Actor* theActor) {
 281   VISU::DeformedShape_i::UpdateActor(theActor);
 282 }