]> Creatis software - bbtk.git/commitdiff
#3457 box PolyDataToActor with color table map
authorEduardo DAVILA <eduardo.davila@creatis.insa-lyon.fr>
Wed, 21 Apr 2021 18:16:46 +0000 (20:16 +0200)
committerEduardo DAVILA <eduardo.davila@creatis.insa-lyon.fr>
Wed, 21 Apr 2021 18:16:46 +0000 (20:16 +0200)
packages/vtk/src/bbvtkPolyDataToActor.cxx
packages/vtk/src/bbvtkPolyDataToActor.h
packages/vtk/src/bbvtkSurfaceTexture.cxx

index b76c1142f6dad08bd29ff15d18f68916a784a894..50df079dda417b995003d6eca78909c4bc9936ac 100644 (file)
@@ -44,6 +44,7 @@
 #include "vtkProperty.h"
 #include "vtkLinearTransform.h"
 #include "vtkCleanPolyData.h"
+#include "vtkFieldData.h"
 
 #include "bbvtkPolyDataToActor.h"
 #include "bbvtkPackage.h"
@@ -73,6 +74,9 @@ namespace bbvtk
           bbSetInputScalarVisibility(false);
           polydatamapper = NULL;
           vtkactor       = NULL;
+          
+          bbSetInputScalarVisibilityOn_LookupTable(NULL);
+          bbSetInputScalarVisibilityOn_NameColorArray("");
    }
 
 
@@ -104,6 +108,51 @@ namespace bbvtk
        }
        
        
+       
+       
+/*
+
+-----------------------------------------------
+
+https://vtk.org/Wiki/VTK/Examples/Cxx/Visualization/ScalarBarActor
+https://vtk.org/Wiki/VTK/Examples/Cxx/VisualizationAlgorithms/TubesFromSplines
+https://vtk.org/Wiki/VTK/Examples/Cxx/Visualization/ElevationBandsWithGlyphs
+
+vtkSmartPointer<vtkFloatArray> scalars = vtkSmartPointer<vtkFloatArray>::New();
+  scalars  set value ....
+poly->GetPointData()->SetScalars(scalars);  or   poly->GetPointData()->SetActiveScalars("<NameArray>");
+
+vtkSmartPointer<vtkLookupTable> hueLut =    vtkSmartPoint      |                                                 ^~
+er<vtkLookupTable>::New();  
+  hueLut Build ....
+  mapper->SetInputData(poly);
+  mapper->ScalarVisibilityOn();
+       mapper->SetScalarModeToUsePointData();   Point of Cell ...
+         
+    default: mapper->SetColorModeToDirectScalars() Busca scalars  3 componentes [R,G,B]  float  0..1  or  integer 0..255
+    else:
+      mapper->SetColorModeToMapScalars()  El vector scalar solo tiene un componente
+      mapper->SetLookupTable( hueLut );  
+         
+               To change Array
+               mapper->SelectColorArray("<NameVector>");   
+   
+       mapper->SetUseLookupTableScalarRange( true/false )    true:Para compartir lookuptable con otros mappers 
+               si false then
+               mapper->SetScalarRange( min, max);    Range especifico este mapper
+           mapper->SetScalarRange( tubePolyData->GetScalarRange() );
+
+------------------------------------------
+   
+     mapper->ScalarVisibilityOff();      ->  SetScalarModeToDefault()
+        Utiliza el color del actor
+  
+----------------------------------------
+
+*/     
+       
+       
 //---------------------------------------------------------------------
 
 void PolyDataToActor::DoProcess()
@@ -170,7 +219,31 @@ printf("EED WARNNING!  PolyDataToActor::DoProcess  which is the default values o
 
                         if (bbGetInputScalarVisibility()==true )
                         {
-                                polydatamapper->ScalarVisibilityOn();
+                               polydatamapper->ScalarVisibilityOn();                                   
+                               if (bbGetInputScalarVisibilityOn_LookupTable()!=NULL) 
+                               {
+//                                     polydatamapper->SetScalarModeToDefault();
+//                                     polydatamapper->SetScalarModeToUseCellData();   
+//                                     polydatamapper->SetScalarModeToUseCellFieldData();      
+//                                     polydatamapper->SetScalarModeToUseFieldData();    //    1/2     hausdorff->SetTargetDistanceMethodToPointToCell();
+//                                     polydatamapper->SetScalarModeToUsePointData();   // *
+                                       polydatamapper->SetScalarModeToUsePointFieldData();                                     
+                                       
+                                       polydatamapper->SetColorModeToMapScalars();
+
+                                       polydatamapper->SetLookupTable( bbGetInputScalarVisibilityOn_LookupTable() );
+                                       if (bbGetInputScalarVisibilityOn_NameColorArray()!="") 
+                                       {
+                                               polydatamapper->SelectColorArray( bbGetInputScalarVisibilityOn_NameColorArray().c_str() );
+//                                             bbGetInputIn()->PrintSelf(std::cout, vtkIndent(2));
+                                       }
+                                       
+                                       if (bbGetInputScalarVisibilityOn_ScalarRange().size()==2)
+                                       {
+                                               polydatamapper->SetScalarRange(  bbGetInputScalarVisibilityOn_ScalarRange()[0] , bbGetInputScalarVisibilityOn_ScalarRange()[1]   ); 
+                                       }
+                                       
+                                } // if ScalarVisibilityOn_LookupTable
                         } else {
                                 polydatamapper->ScalarVisibilityOff();
                         } // ScalarVisibility
index 9dd2790b872f7dc6482bc71b99900e635aac147c..583f0f7a1937516bf3b4a0c69e73874e47f12786 100644 (file)
@@ -61,6 +61,7 @@
 #include "vtkPolyDataMapper.h"
 #include "vtkProp3D.h"
 #include "vtkActor.h"
+#include "vtkScalarsToColors.h"
 #include <vector>
 
 #include "bbtkAtomicBlackBox.h"
@@ -88,6 +89,10 @@ namespace bbvtk
     BBTK_DECLARE_INPUT(Representation, int);
     BBTK_DECLARE_INPUT(LineWidth, double);
     BBTK_DECLARE_INPUT(ScalarVisibility, bool);
+    BBTK_DECLARE_INPUT(ScalarVisibilityOn_LookupTable, vtkScalarsToColors*);
+    BBTK_DECLARE_INPUT(ScalarVisibilityOn_NameColorArray, std::string);
+    BBTK_DECLARE_INPUT(ScalarVisibilityOn_ScalarRange, std::vector<double>);
+
     BBTK_DECLARE_OUTPUT(Out,vtkProp3D *);
     
     BBTK_PROCESS(DoProcess);
@@ -111,7 +116,12 @@ namespace bbvtk
   BBTK_INPUT(PolyDataToActor,Transform,"Linear Transform (4x4 homogeneous)",vtkLinearTransform*,"");
   BBTK_INPUT(PolyDataToActor,Representation,"0 points,1 wireframe, 2(default) surface",int,"");
   BBTK_INPUT(PolyDataToActor,LineWidth,"Width of the wireframe (1 default)",double,"");
-  BBTK_INPUT(PolyDataToActor,ScalarVisibility,"Scalar Visibility (false default)",bool,"");
+  BBTK_INPUT(PolyDataToActor,ScalarVisibility,"(false default)   a) ScalarVisibility:false use color actor.  b) ScalarVisibility:true use PolyData->SetScalars [3-components-RGB] (float 0..1 or int 0..255).  c) ScalarVisibility:true and SetLookupTable use PolyData->SetScalars [1-component] d) ScalarVisibility:true and SetLookupTable SelectColorArray(<NameArray>) use PolyData->SetScalars( scalar(<NameArray>) ). e) For c/d  SetScalarRange just for the mapper. d) [-1,-1] take PolyData->GetScalarRange()",bool,"");
+
+  BBTK_INPUT(PolyDataToActor,ScalarVisibilityOn_LookupTable,"LookupTable (need ScalarVisibility true)",vtkScalarsToColors*,"");
+  BBTK_INPUT(PolyDataToActor,ScalarVisibilityOn_NameColorArray,"Name of the array in PolyData (need ScalarVisibility true)",std::string,"");
+  BBTK_INPUT(PolyDataToActor,ScalarVisibilityOn_ScalarRange,"[min,max] Make ScalarRange independent from  LookupTable (need ScalarVisibility true)", std::vector<double> ,"");
+
   BBTK_OUTPUT(PolyDataToActor,Out,"Extracted iso-surface",vtkProp3D *,"");
   
   BBTK_END_DESCRIBE_BLACK_BOX(PolyDataToActor);
index 0fe8f31492db37b5f9a9cdbdad900098ef8b1452..1e002aa5c9e9617c6482fe14ca654c0ab03c1aaf 100644 (file)
@@ -55,7 +55,7 @@ void SurfaceTexture::Process()
                        // Generate the colors for each point based on the color map
                        colors = vtkUnsignedCharArray::New(); 
                        colors->SetNumberOfComponents(3);
-                       colors->SetName("Colors");      
+//                     colors->SetName("ColorsEED");   
                        // Create the color map
                        if (bbGetInputColorType()==1)
                        {