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 <vtkRenderWindowInteractor.h>
  11 #include <vtkRendererCollection.h>
  12
  13 namespace bbcreaVtk
  14 {
  15
  16
  17
  18 void creaVtkCallbackPointPicker::Execute(vtkObject *caller, unsigned long, void*)
  19 {
  20                 printf("creaVtkCallbackPointPicker EED Picker\n");
  21                 vtkRenderWindowInteractor *iren = static_cast<vtkRenderWindowInteractor*>(caller);
  22
  23                 int* pos = iren->GetEventPosition();
  24         vtkCellPicker *picker = vtkCellPicker::New();
  25         picker->SetTolerance(0.0005);
  26         picker->Pick(pos[0], pos[1], 0, iren->GetRenderWindow()->GetRenderers()->GetFirstRenderer() );
  27
  28                 if(picker->GetCellId() != -1)
  29         {
  30                         printf("creaVtkCallbackPointPicker EED picker OK\n");
  31                 } else {
  32                         printf("creaVtkCallbackPointPicker EED picker --\n");
  33                 } // if
  34
  35
  36 /*
  37 {
  38
  39         std::cout << "Pick position is: " << worldPosition[0] << " " << worldPosition[1]
  40                   << " " << worldPosition[2] << endl;
  41
  42         vtkSmartPointer<vtkIdTypeArray> ids =
  43           vtkSmartPointer<vtkIdTypeArray>::New();
  44         ids->SetNumberOfComponents(1);
  45         ids->InsertNextValue(picker->GetCellId());
  46
  47         vtkSmartPointer<vtkSelectionNode> selectionNode =
  48           vtkSmartPointer<vtkSelectionNode>::New();
  49         selectionNode->SetFieldType(vtkSelectionNode::CELL);
  50         selectionNode->SetContentType(vtkSelectionNode::INDICES);
  51         selectionNode->SetSelectionList(ids);
  52
  53         vtkSmartPointer<vtkSelection> selection =
  54           vtkSmartPointer<vtkSelection>::New();
  55         selection->AddNode(selectionNode);
  56
  57         vtkSmartPointer<vtkExtractSelection> extractSelection =
  58           vtkSmartPointer<vtkExtractSelection>::New();
  59 #if VTK_MAJOR_VERSION <= 5
  60         extractSelection->SetInput(0, this->Data);
  61         extractSelection->SetInput(1, selection);
  62 #else
  63         extractSelection->SetInputData(0, this->Data);
  64         extractSelection->SetInputData(1, selection);
  65 #endif
  66         extractSelection->Update();
  67
  68         // In selection
  69         vtkSmartPointer<vtkUnstructuredGrid> selected =
  70           vtkSmartPointer<vtkUnstructuredGrid>::New();
  71         selected->ShallowCopy(extractSelection->GetOutput());
  72
  73         std::cout << "There are " << selected->GetNumberOfPoints()
  74                   << " points in the selection." << std::endl;
  75         std::cout << "There are " << selected->GetNumberOfCells()
  76                   << " cells in the selection." << std::endl;
  77
  78
  79 #if VTK_MAJOR_VERSION <= 5
  80         selectedMapper->SetInputConnection(
  81           selected->GetProducerPort());
  82 #else
  83         selectedMapper->SetInputData(selected);
  84 #endif
  85
  86         selectedActor->SetMapper(selectedMapper);
  87         selectedActor->GetProperty()->EdgeVisibilityOn();
  88         selectedActor->GetProperty()->SetEdgeColor(1,0,0);
  89         selectedActor->GetProperty()->SetLineWidth(3);
  90
  91         this->Interactor->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->AddActor(selectedActor);
  92
  93         }
  94 */
  95
  96
  97
  98 }
  99
 100
 101 //--------------------------------------------------------
 102 //--------------------------------------------------------
 103 //--------------------------------------------------------
 104
 105
 106 BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaVtk,PointPicker)
 107 BBTK_BLACK_BOX_IMPLEMENTATION(PointPicker,bbtk::AtomicBlackBox);
 108 //=====
 109 // 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)
 110 //=====
 111 void PointPicker::Process()
 112 {
 113
 114 // THE MAIN PROCESSING METHOD BODY
 115 //   Here we simply set the input 'In' value to the output 'Out'
 116 //   And print out the output value
 117 // INPUT/OUTPUT ACCESSORS ARE OF THE FORM :
 118 //    void bbSet{Input|Output}NAME(const TYPE&)
 119 //    const TYPE& bbGet{Input|Output}NAME() const
 120 //    Where :
 121 //    * NAME is the name of the input/output
 122 //      (the one provided in the attribute 'name' of the tag 'input')
 123 //    * TYPE is the C++ type of the input/output
 124 //      (the one provided in the attribute 'type' of the tag 'input')
 125
 126 //    bbSetOutputOut( bbGetInputIn() );
 127 //    std::cout << "Output value = " <<bbGetOutputOut() << std::endl;
 128
 129         if (firsttime==true)
 130         {
 131
 132 printf("EED PointPicker::Process Firsttime \n");
 133                 firsttime = false;
 134 //              vtkCellPicker *picker = vtkCellPicker::New();
 135 //              vtkPropPicker *picker = vtkCellPicker::New();
 136 //              picker->SetTolerance(0.005);
 137
 138 //              picker->AddObserver("EndPickEvent", annotatePick)
 139 //              iren = vtk.vtkRenderWindowInteractor()
 140 //              iren.SetPicker(picker)
 141
 142 /*
 143                 creaVtkCallbackPointPicker *callPicker = creaVtkCallbackPointPicker::New();
 144                 picker->AddObserver( vtkCommand::EndPickEvent , callPicker );
 145                 picker->AddObserver( vtkCommand::StartPickEvent , callPicker );
 146                 picker->AddObserver( vtkCommand::MouseMoveEvent , callPicker );
 147                 bbGetInputRenderer()->GetRenderWindow()->GetInteractor()->SetPicker(picker);
 148 */
 149
 150                 creaVtkCallbackPointPicker *callPicker = creaVtkCallbackPointPicker::New();
 151                 callPicker->_renderer =  bbGetInputRenderer();
 152                 vtkRenderWindowInteractor *vrwi = bbGetInputRenderer()->GetRenderWindow()->GetInteractor();
 153                 vrwi->AddObserver( vtkCommand::EndPickEvent , callPicker );
 154                 vrwi->AddObserver( vtkCommand::StartPickEvent , callPicker );
 155                 vrwi->AddObserver( vtkCommand::MouseMoveEvent , callPicker );
 156
 157         } // if firsttime
 158
 159 }
 160 //=====
 161 // 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)
 162 //=====
 163 void PointPicker::bbUserSetDefaultValues()
 164 {
 165
 166 //  SET HERE THE DEFAULT INPUT/OUTPUT VALUES OF YOUR BOX
 167 //    Here we initialize the input 'In' to 0
 168 //   bbSetInputIn(0);
 169
 170         firsttime=true;
 171 }
 172 //=====
 173 // 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)
 174 //=====
 175 void PointPicker::bbUserInitializeProcessing()
 176 {
 177
 178 //  THE INITIALIZATION METHOD BODY :
 179 //    Here does nothing
 180 //    but this is where you should allocate the internal/output pointers
 181 //    if any
 182
 183
 184 }
 185 //=====
 186 // 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)
 187 //=====
 188 void PointPicker::bbUserFinalizeProcessing()
 189 {
 190
 191 //  THE FINALIZATION METHOD BODY :
 192 //    Here does nothing
 193 //    but this is where you should desallocate the internal/output pointers
 194 //    if any
 195
 196 }
 197 }
 198 // EO namespace bbcreaVtk
 199
 200