bbtk_creaVtk_PKG/src/bbcreaVtkCreateMeshFromPoints.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 "bbcreaVtkCreateMeshFromPoints.h"
   5 #include "bbcreaVtkPackage.h"
   6
   7 #include "vtkTriangleStrip.h"
   8
   9 namespace bbcreaVtk
  10 {
  11
  12 BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaVtk,CreateMeshFromPoints)
  13 BBTK_BLACK_BOX_IMPLEMENTATION(CreateMeshFromPoints,bbtk::AtomicBlackBox);
  14 //=====
  15 // 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)
  16 //=====
  17 void CreateMeshFromPoints::Process()
  18 {
  19
  20 // THE MAIN PROCESSING METHOD BODY
  21 //   Here we simply set the input 'In' value to the output 'Out'
  22 //   And print out the output value
  23 // INPUT/OUTPUT ACCESSORS ARE OF THE FORM :
  24 //    void bbSet{Input|Output}NAME(const TYPE&)
  25 //    const TYPE& bbGet{Input|Output}NAME() const
  26 //    Where :
  27 //    * NAME is the name of the input/output
  28 //      (the one provided in the attribute 'name' of the tag 'input')
  29 //    * TYPE is the C++ type of the input/output
  30 //      (the one provided in the attribute 'type' of the tag 'input')
  31
  32 //    bbSetOutputOut( bbGetInputIn() );
  33 //    std::cout << "Output value = " <<bbGetOutputOut() << std::endl;
  34                 std::vector<double> lstX                = bbGetInputLstX();
  35                 std::vector<double> lstY                = bbGetInputLstY();
  36                 std::vector<double> lstZ                = bbGetInputLstZ();
  37                 std::vector<int> lstIndexs              = bbGetInputLstIndexs();
  38
  39     printf("CreateMeshFromPoints::Process: sizeX %d \n", lstX.size() );
  40     printf("CreateMeshFromPoints::Process: sizeY %d \n", lstY.size() );
  41     printf("CreateMeshFromPoints::Process: sizeZ %d \n", lstZ.size() );
  42     printf("CreateMeshFromPoints::Process: lstIndexs %d \n", lstIndexs.size() );
  43
  44                 if ( (lstIndexs.size()<=1) || (lstX.size()==0) || (lstX.size()!=lstY.size()) || (lstY.size()!=lstZ.size()) )
  45                 {
  46                         printf("Warnning! CreateMeshFromPoints::Process: List of points X Y Z  and LstIndexes is not correct\n");
  47                         bbSetOutputOut(NULL);
  48                 } else  {
  49                         int ii,sizeSegment1,sizeSegment2;
  50                         int endSegment;
  51 //                      vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
  52                         if (points!=NULL) points->Delete();
  53                         points = vtkPoints::New();
  54                         int i,sizeLstX  =       lstX.size();
  55                         for (i=0;i<sizeLstX;i++)
  56                         {
  57                                 points->InsertNextPoint(lstX[i],lstY[i],lstZ[i]);
  58                         } // for i
  59 //                      vtkSmartPointer<vtkCellArray> cells = vtkSmartPointer<vtkCellArray>::New();
  60                         if (cells!=NULL) cells->Delete();
  61                         cells = vtkCellArray::New();
  62                         int maxElements;
  63                         int maxSegment1,maxSegment2;
  64                         int iSeg1,iSeg2;
  65                         int iGeneral    =       0;
  66                         int     sizeLstIdexes=lstIndexs.size();
  67                         for (i=0; i<sizeLstIdexes-1; i++ )
  68                         {
  69                                 sizeSegment1 = lstIndexs[i];
  70                                 sizeSegment2 = lstIndexs[i+1];
  71                                 vtkSmartPointer<vtkTriangleStrip> triangleStrip = vtkSmartPointer<vtkTriangleStrip>::New();
  72                                 triangleStrip->GetPointIds()->SetNumberOfIds(sizeSegment1+sizeSegment2);
  73                                 maxElements=sizeSegment1;
  74                                 if (maxElements<sizeSegment2) maxElements=sizeSegment2;
  75                                 maxSegment1     = iGeneral+sizeSegment1;
  76                                 maxSegment2     = iGeneral+sizeSegment1+sizeSegment2;
  77                                 iSeg1           = iGeneral;
  78                                 iSeg2           = iGeneral+sizeSegment1;
  79                                 for (ii=0; ii<maxElements; ii++)
  80                                 {
  81                                         triangleStrip->GetPointIds()->SetId(ii*2  ,iSeg1);
  82                                         triangleStrip->GetPointIds()->SetId(ii*2+1,iSeg2);
  83                                         iSeg1++;
  84                                         iSeg2++;
  85                     if (iSeg1>=maxSegment1) { iSeg1=maxSegment1-1; }
  86                     if (iSeg2>=maxSegment2) { iSeg2=maxSegment2-1; }
  87                                 } // for ii
  88                                 iGeneral=iGeneral+sizeSegment1;
  89                                 cells->InsertNextCell(triangleStrip);
  90                         } //for  LstIndexs
  91 //                      vtkPolyData *polydata = vtkPolyData::New();
  92                         if (polydata!=NULL) polydata->Delete();
  93                         polydata = vtkPolyData::New();
  94                         polydata->SetPoints(points);
  95                         polydata->SetStrips(cells);
  96 //                      vtkCleanPolyData *clean=vtkCleanPolyData::New();
  97                         if (clean!=NULL) clean->Delete();
  98                         clean = vtkCleanPolyData::New();
  99                         clean->SetInputData(polydata);
 100                         clean->Update();
 101 //                      vtkTriangleFilter *triangle = vtkTriangleFilter::New();
 102                         if (triangle!=NULL) triangle->Delete();
 103                         triangle = vtkTriangleFilter::New();
 104                         triangle->SetInputData( clean->GetOutput() );
 105                         triangle->Update();
 106                         bbSetOutputOut( clean->GetOutput() );
 107                 }// if listXYZ size
 108 }
 109 //=====
 110 // 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)
 111 //=====
 112 void CreateMeshFromPoints::bbUserSetDefaultValues()
 113 {
 114
 115 //  SET HERE THE DEFAULT INPUT/OUTPUT VALUES OF YOUR BOX
 116 //    Here we initialize the input 'In' to 0
 117 //   bbSetInputIn(0);
 118         points          = NULL;
 119         cells           = NULL;
 120         polydata        = NULL;
 121         clean           = NULL;
 122         triangle        = NULL;
 123 }
 124 //=====
 125 // 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)
 126 //=====
 127 void CreateMeshFromPoints::bbUserInitializeProcessing()
 128 {
 129
 130 //  THE INITIALIZATION METHOD BODY :
 131 //    Here does nothing
 132 //    but this is where you should allocate the internal/output pointers
 133 //    if any
 134
 135
 136 }
 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 CreateMeshFromPoints::bbUserFinalizeProcessing()
 141 {
 142
 143 //  THE FINALIZATION METHOD BODY :
 144 //    Here does nothing
 145 //    but this is where you should desallocate the internal/output pointers
 146 //    if any
 147
 148 }
 149 }
 150 // EO namespace bbcreaVtk
 151
 152