From b328fa4cca6d1027dc9bd257fa5d2f56baceb5cd Mon Sep 17 00:00:00 2001
From: ouv <ouv@opencascade.com>
Date: Wed, 14 Sep 2005 06:39:06 +0000
Subject: [PATCH] Working with PointSprite Mapper

---
 src/PIPELINE/VISU_GaussPointsPL.cxx | 22 ++++++++++++++++++----
 src/PIPELINE/VISU_GaussPointsPL.hxx |  2 +-
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/PIPELINE/VISU_GaussPointsPL.cxx b/src/PIPELINE/VISU_GaussPointsPL.cxx
index 4d4dc0d7..eb738773 100644
--- a/src/PIPELINE/VISU_GaussPointsPL.cxx
+++ b/src/PIPELINE/VISU_GaussPointsPL.cxx
@@ -98,11 +98,17 @@ VISU_GaussPointsPL
   myExtractor->SetInput( GetInput2() );
   myFieldTransform->SetInput( myExtractor->GetOutput() );
 
+  //myPSMapper->SetQuadraticPointDistanceAttenuation( 1.0, 20.0, 0.0 );
+  myPSMapper->SetImmediateModeRendering( 1 );
   myPSMapper->SetColorModeToMapScalars();
   myPSMapper->ScalarVisibilityOn();
 
   myGeomFilter->SetInput( myFieldTransform->GetUnstructuredGridOutput() );
   myPSMapper->SetInput( myGeomFilter->GetOutput() );
+
+  //vtkXMLImageDataReader* aReader = vtkXMLImageDataReader::New();
+  //aReader->SetFileName( "/dn06/salome/ouv/SALOME3/TextureAlphaChannel.vti" );
+  //myPSMapper->InitTexture( aReader->GetOutput() );
 }
 
 //----------------------------------------------------------------------------
@@ -117,7 +123,7 @@ Init()
 
   vtkMapper* aMapper = GetMapper();
   vtkDataSet* aDataSet = aMapper->GetInput();
-  myAverageCelllSize = VISU_DeformedShapePL::GetScaleFactor(aDataSet);
+  myAverageCellSize = VISU_DeformedShapePL::GetScaleFactor(aDataSet);
 
   vtkCellData* aCellData = aDataSet->GetCellData();
   myScalarArray = aCellData->GetScalars();
@@ -179,6 +185,10 @@ VISU_GaussPointsPL
 ::SetRelativeMinSize(float theRelativeMinSize)
 {
   myRelativeMinSize = theRelativeMinSize;
+
+  //myPSMapper->SetShaderVariable( "minSize", myAverageCellSize * myRelativeMinSize );
+  //cout << "MIN : " << myAverageCellSize * myRelativeMinSize << endl;
+
   Modified();
 }
 
@@ -188,6 +198,10 @@ VISU_GaussPointsPL
 ::SetRelativeMaxSize(float theRelativeMaxSize)
 {
   myRelativeMaxSize = theRelativeMaxSize;
+
+  //myPSMapper->SetShaderVariable( "maxSize", myAverageCellSize * myRelativeMaxSize );
+  //cout << "MAX : " << myAverageCellSize * myRelativeMaxSize << endl;
+
   Modified();
 }
 
@@ -196,8 +210,8 @@ float
 VISU_GaussPointsPL
 ::GetPointSize(vtkIdType theID, vtkDataArray* theScalarArray)
 {
-  float aMaxSize = myAverageCelllSize*myRelativeMaxSize;
-  float aMinSize = myAverageCelllSize*myRelativeMinSize;
+  float aMaxSize = myAverageCellSize*myRelativeMaxSize;
+  float aMinSize = myAverageCellSize*myRelativeMinSize;
   float aDelta = aMaxSize - aMinSize;
   float aVal = theScalarArray->GetTuple1(theID);
 
@@ -221,6 +235,6 @@ float
 VISU_GaussPointsPL
 ::GetMaxPointSize()
 {
-  return myAverageCelllSize*myRelativeMaxSize;
+  return myAverageCellSize*myRelativeMaxSize;
 }
 
diff --git a/src/PIPELINE/VISU_GaussPointsPL.hxx b/src/PIPELINE/VISU_GaussPointsPL.hxx
index 4abcbb5e..ac7468f6 100644
--- a/src/PIPELINE/VISU_GaussPointsPL.hxx
+++ b/src/PIPELINE/VISU_GaussPointsPL.hxx
@@ -115,7 +115,7 @@ protected:
   vtkDataArray *myScalarArray;
   float mySourceScalarRange[2];
   float myDeltaScalarRange;
-  float myAverageCelllSize;
+  float myAverageCellSize;
   float myRelativeMinSize;
   float myRelativeMaxSize;
 };
-- 
2.39.2