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)
4 #include "bbcreaVtkPolyDataNormals.h"
5 #include "bbcreaVtkPackage.h"
7 #include <vtkPolyDataNormals.h>
8 //#include <vtkTriangleMeshPointNormals.h>
10 #include <vtkPolyData.h>
11 #include <vtkPointData.h>
12 #include <vtkDataArray.h>
18 BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaVtk,PolyDataNormals)
19 BBTK_BLACK_BOX_IMPLEMENTATION(PolyDataNormals,bbtk::AtomicBlackBox);
21 // 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)
23 void PolyDataNormals::Process()
25 // THE MAIN PROCESSING METHOD BODY
26 // Here we simply set the input 'In' value to the output 'Out'
27 // And print out the output value
28 // INPUT/OUTPUT ACCESSORS ARE OF THE FORM :
29 // void bbSet{Input|Output}NAME(const TYPE&)
30 // const TYPE& bbGet{Input|Output}NAME() const
32 // * NAME is the name of the input/output
33 // (the one provided in the attribute 'name' of the tag 'input')
34 // * TYPE is the C++ type of the input/output
35 // (the one provided in the attribute 'type' of the tag 'input')
36 // bbSetOutputOut( bbGetInputIn() );
37 // std::cout << "Output value = " <<bbGetOutputOut() << std::endl;
39 if (bbGetInputIn()!=NULL)
42 vtkPolyDataNormals* normal = vtkPolyDataNormals::New();
43 normal->SetInputData( bbGetInputIn() );
44 if (bbGetInputComputeType()==0)
46 normal->ComputeCellNormalsOn();
48 normal->ComputePointNormalsOn();
50 normal->SetFeatureAngle(360);
54 vtkTriangleMeshPointNormals* normal = vtkTriangleMeshPointNormals::New();
55 normal->SetInputData( bbGetInputIn() );
59 // >>>>>>>>>>>>>>>>>>>> Calculate the MeanNormal
60 vtkPolyData *polydata = normal->GetOutput();
61 vtkPointData *pointdata = polydata->GetPointData();
62 vtkDataArray *dataarray;
65 int i,size=pointdata->GetNumberOfArrays();
68 dataarray=pointdata->GetArray(i);
69 printf("EED creaVtkCallbackPointPicker::Execute dataarray=%s n=%ld p=%ld\n", dataarray->GetName(),dataarray->GetNumberOfValues() ,polydata->GetNumberOfPoints() );
72 dataarray = pointdata->GetNormals();
73 std::vector<double> meanNormal;
74 meanNormal.push_back(0);
75 meanNormal.push_back(0);
76 meanNormal.push_back(0);
79 int i , size=dataarray->GetNumberOfTuples();
80 for (i=0; i<size; i++)
82 pValue = dataarray->GetTuple3( i );
83 meanNormal[0] = meanNormal[0] + pValue[0];
84 meanNormal[1] = meanNormal[1] + pValue[1];
85 meanNormal[2] = meanNormal[2] + pValue[2];
90 meanNormal[0] = meanNormal[0] / size;
91 meanNormal[1] = meanNormal[1] / size;
92 meanNormal[2] = meanNormal[2] / size;
93 double magnitude = sqrt( meanNormal[0]*meanNormal[0] + meanNormal[1]*meanNormal[1] + meanNormal[2]*meanNormal[2] );
94 meanNormal[0] = meanNormal[0] / magnitude;
95 meanNormal[1] = meanNormal[1] / magnitude;
96 meanNormal[2] = meanNormal[2] / magnitude;
103 // <<<<<<<<<<<<<<<<<<<<< Calculate the MeanNormal
105 if ((bbGetInputType()==1) && (dataarray!=NULL) )
109 double meanNormalresult[3];
111 double crossResult[3];
112 meanN[0] = meanNormal[0];
113 meanN[1] = meanNormal[1];
114 meanN[2] = meanNormal[2];
116 int i , size=dataarray->GetNumberOfTuples();
117 for (i=0; i<size; i++)
119 pValue = dataarray->GetTuple3( i );
120 ang = vtkMath::AngleBetweenVectors( pValue, meanN );
121 vtkMath::Cross(meanN,pValue,crossResult);
122 wxyz[0] = ang * bbGetInputParam();
123 wxyz[1] = crossResult[0];
124 wxyz[2] = crossResult[1];
125 wxyz[3] = crossResult[2];
126 vtkMath::RotateVectorByWXYZ(meanN, wxyz ,meanNormalresult);
127 magnitude = sqrt( meanNormalresult[0]*meanNormalresult[0] + meanNormalresult[1]*meanNormalresult[1] + meanNormalresult[2]* meanNormalresult[2] );
128 meanNormalresult[0] = meanNormalresult[0] / magnitude;
129 meanNormalresult[1] = meanNormalresult[1] / magnitude;
130 meanNormalresult[2] = meanNormalresult[2] / magnitude;
131 dataarray->SetTuple3( i , meanNormalresult[0], meanNormalresult[1], meanNormalresult[2] );
133 } // if Type==1 && dataarray
134 bbSetOutputMeanNormal( meanNormal );
135 bbSetOutputOut( normal->GetOutput() );
137 bbSetOutputOut( NULL );
142 // 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)
144 void PolyDataNormals::bbUserSetDefaultValues()
146 // SET HERE THE DEFAULT INPUT/OUTPUT VALUES OF YOUR BOX
147 // Here we initialize the input 'In' to 0
149 bbSetOutputOut( NULL );
152 // 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)
154 void PolyDataNormals::bbUserInitializeProcessing()
157 // THE INITIALIZATION METHOD BODY :
159 // but this is where you should allocate the internal/output pointers
165 // 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)
167 void PolyDataNormals::bbUserFinalizeProcessing()
170 // THE FINALIZATION METHOD BODY :
172 // but this is where you should desallocate the internal/output pointers
177 // EO namespace bbcreaVtk