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 #include <vtkDataSet.h>
  12 #include <vtkPolyData.h>
  13 #include <vtkPointData.h>
  14 #include <vtkDataArray.h>
  15
  16 namespace bbcreaVtk
  17 {
  18
  19 creaVtkCallbackPointPicker::creaVtkCallbackPointPicker(void)
  20 {
  21         boxPointPicker = NULL;
  22 }
  23
  24 void creaVtkCallbackPointPicker::setBox(PointPicker *box)
  25 {
  26         boxPointPicker = box;
  27 }
  28
  29 void creaVtkCallbackPointPicker::Execute(vtkObject *caller, unsigned long, void*)
  30 {
  31         if (boxPointPicker!=NULL)
  32         {
  33                 if (boxPointPicker->bbGetInputActive()==true)
  34                 {
  35                         vtkRenderWindowInteractor   *iren   = static_cast<vtkRenderWindowInteractor*>(caller);
  36                         int                         *pos    = iren->GetEventPosition();
  37                     vtkCellPicker               *picker = vtkCellPicker::New();
  38                     picker->SetTolerance(0.0005);
  39                     if (boxPointPicker->bbGetInputProp3D()!=NULL )
  40                     {
  41                         picker->AddPickList( boxPointPicker->bbGetInputProp3D() );
  42                         picker->PickFromListOn();
  43                         }
  44                     picker->Pick(pos[0], pos[1], 0, iren->GetRenderWindow()->GetRenderers()->GetFirstRenderer() );
  45                         double point[3];
  46                         if(picker->GetCellId() != -1)
  47                     {
  48                                 picker->GetPickPosition(point);
  49                                 std::vector<double> vecPoint;
  50                                 vecPoint.push_back( point[0] );
  51                                 vecPoint.push_back( point[1] );
  52                                 vecPoint.push_back( point[2] );
  53                 boxPointPicker->bbSetOutputPoint( vecPoint );
  54                 boxPointPicker->bbSetOutputMesh( picker->GetProp3D() );
  55                 boxPointPicker->bbSetOutputPointId( picker->GetPointId() );
  56
  57                 boxPointPicker->bbSetOutputCellId( picker->GetCellId() );
  58                 vtkDataSet *dataset = picker->GetDataSet();
  59                 if (strcmp(dataset->GetClassName(),"vtkPolyData")==0)
  60                 {
  61                     vtkPolyData     *polydata   = (vtkPolyData*)dataset;
  62                     vtkPointData    *pointdata  = polydata->GetPointData();
  63                     vtkDataArray    *dataarray;
  64                     double          *pValue;
  65                     /*
  66                     int i,size=pointdata->GetNumberOfArrays();
  67                     for(i=0;i<size;i++)
  68                     {
  69                         dataarray=pointdata->GetArray(i);
  70                         printf("EED creaVtkCallbackPointPicker::Execute dataarray=%s  n=%ld p=%ld\n", dataarray->GetName(),dataarray->GetNumberOfValues() ,polydata->GetNumberOfPoints() );
  71                     } // for i
  72                     */
  73                     dataarray   = pointdata->GetNormals();
  74                     if (dataarray!=NULL)
  75                     {
  76                         pValue      = dataarray->GetTuple3( picker->GetPointId() );
  77                         std::vector<double> lstNormal;
  78                         lstNormal.push_back(pValue[0]);
  79                         lstNormal.push_back(pValue[1]);
  80                         lstNormal.push_back(pValue[2]);
  81                         boxPointPicker->bbSetOutputNormal( lstNormal );
  82                     } // if dataarray
  83                 } // if ClassName
  84                 boxPointPicker->bbSignalOutputModification();
  85                         }  // if
  86                 } // if Active
  87         } // if boxPoiintPicker
  88
  89
  90 /*
  91 {
  92
  93         std::cout << "Pick position is: " << worldPosition[0] << " " << worldPosition[1]
  94                   << " " << worldPosition[2] << endl;
  95
  96         vtkSmartPointer<vtkIdTypeArray> ids =
  97           vtkSmartPointer<vtkIdTypeArray>::New()creaVtkCallbackPointPicker *callPicker;
  98         ids->SetNumberOfComponents(1);
  99         ids->InsertNextValue(picker->GetCellId());
 100
 101         vtkSmartPointer<vtkSelectionNode> selectionNode =
 102           vtkSmartPointer<vtkSelectionNode>::New();
 103         selectionNode->SetFieldType(vtkSelectionNode::CELL);
 104         selectionNode->SetContentType(vtkSelectionNode::INDICES);
 105         selectionNode->SetSelectionList(ids);
 106
 107         vtkSmartPointer<vtkSelection> selection =
 108           vtkSmartPointer<vtkSelection>::New();
 109         selection->AddNode(selectionNode);
 110
 111         vtkSmartPointer<vtkExtractSelection> extractSelection =
 112           vtkSmartPointer<vtkExtractSelection>::New();
 113 #if VTK_MAJOR_VERSION <= 5
 114         extractSelection->SetInput(0, this->Data);
 115         extractSelection->SetInput(1, selection);
 116 #else
 117         extractSelection->SetInputData(0, this->Data);
 118         extractSelection->SetInputData(1, selection);
 119 #endif
 120         extractSelection->Update();
 121
 122         // In selection
 123         vtkSmartPointer<vtkUnstructuredGrid> selected =
 124           vtkSmartPointer<vtkUnstructuredGrid>::New();
 125         selected->ShallowCopy(extractSelection->GetOutput());
 126
 127         std::cout << "There are " << selected->GetNumberOfPoints()
 128                   << " points in the selection." << std::endl;
 129         std::cout << "There are " << selected->GetNumberOfCells()
 130                   << " cells in the selection." << std::endl;
 131
 132
 133 #if VTK_MAJOR_VERSION <= 5
 134         selectedMapper->SetInputConnection(
 135           selected->GetProducerPort());
 136 #else
 137         selectedMapper->SetInputData(selected);
 138 #endif
 139
 140         selectedActor->SetMapper(selectedMapper);
 141         selectedActor->GetProperty()->EdgeVisibilityOn();
 142         selectedActor->GetProperty()->SetEdgeColor(1,0,0);
 143         selectedActor->GetProperty()->SetLineWidth(3);
 144
 145         this->Interactor->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->AddActor(selectedActor);
 146
 147         }
 148 */
 149
 150 }
 151
 152
 153 //--------------------------------------------------------
 154 //--------------------------------------------------------
 155 //--------------------------------------------------------
 156
 157
 158 BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaVtk,PointPicker)
 159 BBTK_BLACK_BOX_IMPLEMENTATION(PointPicker,bbtk::AtomicBlackBox);
 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::Process()
 164 {
 165 // THE MAIN PROCESSING METHOD BODY
 166 //   Here we simply set the input 'In' value to the output 'Out'
 167 //   And print out the output value
 168 // INPUT/OUTPUT ACCESSORS ARE OF THE FORM :
 169 //    void bbSet{Input|Output}NAME(const TYPE&)
 170 //    const TYPE& bbGet{Input|Output}NAME() const
 171 //    Where :
 172 //    * NAME is the name of the input/output
 173 //      (the one provided in the attribute 'name' of the tag 'input')
 174 //    * TYPE is the C++ type of the input/output
 175 //      (the one provided in the attribute 'type' of the tag 'input')
 176
 177 //    bbSetOutputOut( bbGetInputIn() );
 178 //    std::cout << "Output value = " <<bbGetOutputOut() << std::endl;
 179
 180         if (firsttime==true)
 181         {
 182                 firsttime = false;
 183 //              vtkCellPicker *picker = vtkCellPicker::New();
 184 //              vtkPropPicker *picker = vtkCellPicker::New();
 185 //              picker->SetTolerance(0.005);
 186
 187 //              picker->AddObserver("EndPickEvent", annotatePick)
 188 //              iren = vtk.vtkRenderWindowInteractor()
 189 //              iren.SetPicker(picker)
 190
 191 /*
 192                 creaVtkCallbackPointPicker *callPicker = creaVtkCallbackPointPicker::New();
 193                 picker->AddObserver( vtkCommand::EndPickEvent , callPicker );
 194                 picker->AddObserver( vtkCommand::StartPickEvent , callPicker );
 195                 picker->AddObserver( vtkCommand::MouseMoveEvent , callPicker );
 196                 bbGetInputRenderer()->GetRenderWindow()->GetInteractor()->SetPicker(picker);
 197 */
 198                 callPicker = creaVtkCallbackPointPicker::New();
 199                 callPicker->setBox( this );
 200         } // if firsttime
 201
 202
 203         if (bbGetInputRenderer()!=NULL)
 204         {
 205                 vtkRenderWindowInteractor *vrwi = bbGetInputRenderer()->GetRenderWindow()->GetInteractor();
 206                 vrwi->RemoveObserver( callPicker );
 207
 208                 if (bbGetInputTypeEvent()==0)
 209                 {
 210                         // Nothing
 211                 } else if (bbGetInputTypeEvent()==1)
 212                 {
 213                         vrwi->AddObserver( vtkCommand::MouseMoveEvent , callPicker );
 214                 } else if (bbGetInputTypeEvent()==2)
 215                 {
 216                         vrwi->AddObserver( vtkCommand::LeftButtonPressEvent , callPicker );
 217                 } else if (bbGetInputTypeEvent()==3)
 218                 {
 219 #if VTK_MAJOR_VERSION >= 9
 220                 vrwi->AddObserver( vtkCommand::LeftButtonDoubleClickEvent , callPicker );
 221 #else
 222                 printf("EED Warnning!  PointPicker LeftButtonPressEvent since vtk 9 \n");
 223 #endif
 224                 } // if TypeEvent
 225                 // ....See vtkCommand EventIds
 226         } // if bbGetInputRenderer()
 227
 228
 229 //  std::vector<double> lstPoint;
 230 //  lstPoint.push_back(0);
 231 //  lstPoint.push_back(0);
 232 //  lstPoint.push_back(1);
 233 //  bbSetOutputPoint( lstPoint );
 234
 235 // BORRAME    bbSetOutputPoint( bbGetInputDefaultPoint() );
 236
 237 //  bbSetOutputMesh( NULL );
 238 // Borrame    bbSetOutputPointId( bbGetInputDefaultPointId() );
 239 //  bbSetOutputCellId( -1 );
 240 //  bbSetOutputNormal( lstPoint );
 241
 242 }
 243
 244 //=====
 245 // 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)
 246 //=====
 247 void PointPicker::bbUserSetDefaultValues()
 248 {
 249 //  SET HERE THE DEFAULT INPUT/OUTPUT VALUES OF YOUR BOX
 250 //    Here we initialize the input 'In' to 0
 251 //   bbSetInputIn(0);
 252         bbSetInputActive(true);
 253         bbSetInputTypeEvent(0);
 254     bbSetInputDefaultPointId( -1 );
 255         bbSetOutputMesh(NULL);
 256         bbSetOutputPointId(-1);
 257         bbSetOutputCellId(-1);
 258         firsttime=true;
 259         callPicker=NULL;
 260         bbSetInputProp3D(NULL);
 261     std::vector<double> lstNormal;
 262     lstNormal.push_back(0);
 263     lstNormal.push_back(0);
 264     lstNormal.push_back(1);
 265     bbSetOutputNormal( lstNormal );
 266
 267     std::vector<double> point;
 268     point.push_back(20);
 269     point.push_back(20);
 270     point.push_back(20);
 271     bbSetOutputPoint( point );
 272 }
 273
 274 //=====
 275 // 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)
 276 //=====
 277 void PointPicker::bbUserInitializeProcessing()
 278 {
 279 //  THE INITIALIZATION METHOD BODY :
 280 //    Here does nothing
 281 //    but this is where you should allocate the internal/output pointers
 282 //    if any
 283 }
 284
 285 //=====
 286 // 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)
 287 //=====
 288 void PointPicker::bbUserFinalizeProcessing()
 289 {
 290 //  THE FINALIZATION METHOD BODY :
 291 //    Here does nothing
 292 //    but this is where you should desallocate the internal/output pointers
 293 //    if any
 294 }
 295
 296 }// EO namespace bbcreaVtk
 297
 298