bbtk_creaVtk_PKG/src/bbcreaVtkPointPicker.cxx

   1 //=====
   2 // Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
   3 //=====
   4 #include "bbcreaVtkPointPicker.h"
   5 #include "bbcreaVtkPackage.h"
   6
   7 #include <vtkPropPicker.h>
   8 #include <vtkCellPicker.h>
   9 #include <vtkRenderWindow.h>
  10 #include <vtkRendererCollection.h>
  11
  12 namespace bbcreaVtk
  13 {
  14
  15 creaVtkCallbackPointPicker::creaVtkCallbackPointPicker(void)
  16 {
  17         boxPointPicker = NULL;
  18 }
  19
  20 void creaVtkCallbackPointPicker::setBox(PointPicker *box)
  21 {
  22         boxPointPicker = box;
  23 }
  24
  25 void creaVtkCallbackPointPicker::Execute(vtkObject *caller, unsigned long, void*)
  26 {
  27         if (boxPointPicker!=NULL)
  28         {
  29                 if (boxPointPicker->bbGetInputActive()==true)
  30                 {
  31 //                      printf("creaVtkCallbackPointPicker EED Picker\n");
  32                         vtkRenderWindowInteractor *iren = static_cast<vtkRenderWindowInteractor*>(caller);
  33                         int* pos = iren->GetEventPosition();
  34                     vtkCellPicker *picker = vtkCellPicker::New();
  35                     picker->SetTolerance(0.0005);
  36
  37                     if (boxPointPicker->bbGetInputProp3D()!=NULL )
  38                     {
  39                         picker->AddPickList( boxPointPicker->bbGetInputProp3D() );
  40                         picker->PickFromListOn();
  41                         }
  42
  43                     picker->Pick(pos[0], pos[1], 0, iren->GetRenderWindow()->GetRenderers()->GetFirstRenderer() );
  44                         double point[3];
  45
  46                         if(picker->GetCellId() != -1)
  47                     {
  48 //                              printf("creaVtkCallbackPointPicker EED picker OK\n");
  49                                 picker->GetPickPosition(point);
  50                                 std::vector<double> vecPoint;
  51                                 vecPoint.push_back( point[0] );
  52                                 vecPoint.push_back( point[1] );
  53                                 vecPoint.push_back( point[2] );
  54                                         boxPointPicker->bbSetOutputPoint( vecPoint );
  55                                         boxPointPicker->bbSetOutputMesh( picker->GetProp3D() );
  56                                         boxPointPicker->bbSetOutputPointId( picker->GetPointId() );
  57                                         boxPointPicker->bbSetOutputCellId( picker->GetCellId() );
  58                                         boxPointPicker->bbSignalOutputModification();
  59                         } else {
  60 //                              printf("creaVtkCallbackPointPicker EED picker --\n");
  61                         } // if
  62                 }
  63         } // if boxPoiintPicker
  64
  65 /*
  66 {
  67
  68         std::cout << "Pick position is: " << worldPosition[0] << " " << worldPosition[1]
  69                   << " " << worldPosition[2] << endl;
  70
  71         vtkSmartPointer<vtkIdTypeArray> ids =
  72           vtkSmartPointer<vtkIdTypeArray>::New()creaVtkCallbackPointPicker *callPicker;
  73         ids->SetNumberOfComponents(1);
  74         ids->InsertNextValue(picker->GetCellId());
  75
  76         vtkSmartPointer<vtkSelectionNode> selectionNode =
  77           vtkSmartPointer<vtkSelectionNode>::New();
  78         selectionNode->SetFieldType(vtkSelectionNode::CELL);
  79         selectionNode->SetContentType(vtkSelectionNode::INDICES);
  80         selectionNode->SetSelectionList(ids);
  81
  82         vtkSmartPointer<vtkSelection> selection =
  83           vtkSmartPointer<vtkSelection>::New();
  84         selection->AddNode(selectionNode);
  85
  86         vtkSmartPointer<vtkExtractSelection> extractSelection =
  87           vtkSmartPointer<vtkExtractSelection>::New();
  88 #if VTK_MAJOR_VERSION <= 5
  89         extractSelection->SetInput(0, this->Data);
  90         extractSelection->SetInput(1, selection);
  91 #else
  92         extractSelection->SetInputData(0, this->Data);
  93         extractSelection->SetInputData(1, selection);
  94 #endif
  95         extractSelection->Update();
  96
  97         // In selection
  98         vtkSmartPointer<vtkUnstructuredGrid> selected =
  99           vtkSmartPointer<vtkUnstructuredGrid>::New();
 100         selected->ShallowCopy(extractSelection->GetOutput());
 101
 102         std::cout << "There are " << selected->GetNumberOfPoints()
 103                   << " points in the selection." << std::endl;
 104         std::cout << "There are " << selected->GetNumberOfCells()
 105                   << " cells in the selection." << std::endl;
 106
 107
 108 #if VTK_MAJOR_VERSION <= 5
 109         selectedMapper->SetInputConnection(
 110           selected->GetProducerPort());
 111 #else
 112         selectedMapper->SetInputData(selected);
 113 #endif
 114
 115         selectedActor->SetMapper(selectedMapper);
 116         selectedActor->GetProperty()->EdgeVisibilityOn();
 117         selectedActor->GetProperty()->SetEdgeColor(1,0,0);
 118         selectedActor->GetProperty()->SetLineWidth(3);
 119
 120         this->Interactor->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->AddActor(selectedActor);
 121
 122         }
 123 */
 124
 125
 126
 127 }
 128
 129
 130 //--------------------------------------------------------
 131 //--------------------------------------------------------
 132 //--------------------------------------------------------
 133
 134
 135 BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaVtk,PointPicker)
 136 BBTK_BLACK_BOX_IMPLEMENTATION(PointPicker,bbtk::AtomicBlackBox);
 137 //=====
 138 // Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
 139 //=====
 140 void PointPicker::Process()
 141 {
 142
 143 // THE MAIN PROCESSING METHOD BODY
 144 //   Here we simply set the input 'In' value to the output 'Out'
 145 //   And print out the output value
 146 // INPUT/OUTPUT ACCESSORS ARE OF THE FORM :
 147 //    void bbSet{Input|Output}NAME(const TYPE&)
 148 //    const TYPE& bbGet{Input|Output}NAME() const
 149 //    Where :
 150 //    * NAME is the name of the input/output
 151 //      (the one provided in the attribute 'name' of the tag 'input')
 152 //    * TYPE is the C++ type of the input/output
 153 //      (the one provided in the attribute 'type' of the tag 'input')
 154
 155 //    bbSetOutputOut( bbGetInputIn() );
 156 //    std::cout << "Output value = " <<bbGetOutputOut() << std::endl;
 157
 158         if (firsttime==true)
 159         {
 160                 firsttime = false;
 161 //              vtkCellPicker *picker = vtkCellPicker::New();
 162 //              vtkPropPicker *picker = vtkCellPicker::New();
 163 //              picker->SetTolerance(0.005);
 164
 165 //              picker->AddObserver("EndPickEvent", annotatePick)
 166 //              iren = vtk.vtkRenderWindowInteractor()
 167 //              iren.SetPicker(picker)
 168
 169 /*
 170                 creaVtkCallbackPointPicker *callPicker = creaVtkCallbackPointPicker::New();
 171                 picker->AddObserver( vtkCommand::EndPickEvent , callPicker );
 172                 picker->AddObserver( vtkCommand::StartPickEvent , callPicker );
 173                 picker->AddObserver( vtkCommand::MouseMoveEvent , callPicker );
 174                 bbGetInputRenderer()->GetRenderWindow()->GetInteractor()->SetPicker(picker);
 175 */
 176
 177                 callPicker = creaVtkCallbackPointPicker::New();
 178                 callPicker->setBox( this );
 179
 180         } // if firsttime
 181
 182
 183         if (bbGetInputRenderer()!=NULL)
 184         {
 185                 vtkRenderWindowInteractor *vrwi = bbGetInputRenderer()->GetRenderWindow()->GetInteractor();
 186                 vrwi->RemoveObserver( callPicker );
 187
 188                 if (bbGetInputTypeEvent()==0)
 189                 {
 190                         // Nothing
 191                 } else if (bbGetInputTypeEvent()==1)
 192                 {
 193                         vrwi->AddObserver( vtkCommand::MouseMoveEvent , callPicker );
 194                 } else if (bbGetInputTypeEvent()==2)
 195                 {
 196                         vrwi->AddObserver( vtkCommand::LeftButtonPressEvent , callPicker );
 197                 } else if (bbGetInputTypeEvent()==3)
 198                 {
 199 #if VTK_MAJOR_VERSION >= 9
 200                 vrwi->AddObserver( vtkCommand::LeftButtonDoubleClickEvent , callPicker );
 201 #else
 202                 printf("EED Warnning!  PointPicker LeftButtonPressEvent since vtk 9 \n");
 203 #endif
 204                 } // if TypeEvent
 205                 // ....See vtkCommand EventIds
 206         } // if bbGetInputRenderer()
 207
 208
 209
 210
 211 }
 212 //=====
 213 // Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
 214 //=====
 215 void PointPicker::bbUserSetDefaultValues()
 216 {
 217 //  SET HERE THE DEFAULT INPUT/OUTPUT VALUES OF YOUR BOX
 218 //    Here we initialize the input 'In' to 0
 219 //   bbSetInputIn(0);
 220         bbSetInputActive(true);
 221         bbSetInputTypeEvent(0);
 222         bbSetOutputMesh(NULL);
 223         bbSetOutputPointId(-1);
 224         bbSetOutputCellId(-1);
 225         firsttime=true;
 226         callPicker=NULL;
 227         bbSetInputProp3D(NULL);
 228 }
 229 //=====
 230 // Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
 231 //=====
 232 void PointPicker::bbUserInitializeProcessing()
 233 {
 234
 235 //  THE INITIALIZATION METHOD BODY :
 236 //    Here does nothing
 237 //    but this is where you should allocate the internal/output pointers
 238 //    if any
 239
 240
 241 }
 242 //=====
 243 // Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
 244 //=====
 245 void PointPicker::bbUserFinalizeProcessing()
 246 {
 247
 248 //  THE FINALIZATION METHOD BODY :
 249 //    Here does nothing
 250 //    but this is where you should desallocate the internal/output pointers
 251 //    if any
 252
 253 }
 254 }
 255 // EO namespace bbcreaVtk
 256
 257