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