From bd87aa782af2b15b5a4bf3cb61059a4dcd686ef5 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Fri, 30 Nov 2007 14:54:13 +0000
Subject: [PATCH] To use more convinent VTK interactor style

---
 src/PIPELINE/VISUPipeLine.cxx | 43 +++++++++++++++++++++--------------
 1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/src/PIPELINE/VISUPipeLine.cxx b/src/PIPELINE/VISUPipeLine.cxx
index 100ad4b0..6cfa78f4 100644
--- a/src/PIPELINE/VISUPipeLine.cxx
+++ b/src/PIPELINE/VISUPipeLine.cxx
@@ -40,11 +40,12 @@
 #include "VISU_Convertor.hxx"
 #include "VISU_ConvertorUtils.hxx"
 
-typedef VISU_ScalarMapOnDeformedShapePL TPresent;
+typedef VISU_ScalarMapPL TPresent;
 
 #include <vtkUnstructuredGrid.h>
 #include <vtkDataSetMapper.h>
 
+#include <vtkInteractorStyleTrackballCamera.h>
 #include <vtkRenderWindowInteractor.h>
 #include <vtkRenderWindow.h>
 #include <vtkImageData.h>
@@ -165,12 +166,20 @@ main(int argc, char** argv)
 {
   try{
     if(argc > 1){
-      vtkRenderWindow *renWin = vtkRenderWindow::New();
-      vtkRenderer *ren = vtkRenderer::New();
-      renWin->AddRenderer(ren);
-      ren->GetActiveCamera()->ParallelProjectionOn();
-      vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
-      iren->SetRenderWindow(renWin);
+      vtkRenderWindow *aWindow = vtkRenderWindow::New();
+      vtkRenderer *aRenderer = vtkRenderer::New();
+
+      aWindow->AddRenderer(aRenderer);
+      aRenderer->GetActiveCamera()->ParallelProjectionOn();
+
+      vtkRenderWindowInteractor *anInteractor = vtkRenderWindowInteractor::New();
+      anInteractor->SetRenderWindow(aWindow);
+      aWindow->Delete();
+
+      vtkInteractorStyle* aStyle = vtkInteractorStyleTrackballCamera::New();
+      anInteractor->SetInteractorStyle(aStyle);
+      aStyle->Delete();
+
       VISU_Convertor* aConvertor = CreateConvertor(argv[1]);
       aConvertor->BuildEntities();
       aConvertor->BuildGroups();
@@ -196,12 +205,12 @@ main(int argc, char** argv)
 	vtkActor* aActor = vtkActor::New();
 	aActor->SetMapper(aPresent->GetMapper());
 	aActor->GetProperty()->SetRepresentation(VTK_WIREFRAME);
-	//ren->ResetCameraClippingRange();
+	//aRenderer->ResetCameraClippingRange();
 
-	ren->AddActor(aActor);
+	aRenderer->AddActor(aActor);
 
-	renWin->Render();
-	iren->Start();
+	aWindow->Render();
+	anInteractor->Start();
 	return 0;
       }
       //Import fields
@@ -223,13 +232,13 @@ main(int argc, char** argv)
 
 	  VISU_ColoredPL* aPresent = NULL;
 	  if(anEntity != VISU::NODE_ENTITY){
+	    continue;
 	    aPresent = CreateColoredPL<TPresent>(aConvertor,
 						 aMeshName,
 						 anEntity,
 						 aFieldName,
 						 aTimeStamp);
 	  }else{
-	    continue;
 	    aPresent = CreateColoredPL<TPresent>(aConvertor,
 						 aMeshName,
 						 anEntity,
@@ -243,13 +252,13 @@ main(int argc, char** argv)
 	  VISU_ScalarBarActor * aScalarBar = VISU_ScalarBarActor::New();
 	  aScalarBar->SetLookupTable(aPresent->GetBarTable());
 
-	  ren->AddActor(anActor);
-	  ren->AddActor2D(aScalarBar);
+	  aRenderer->AddActor(anActor);
+	  aRenderer->AddActor2D(aScalarBar);
 
-	  renWin->Render();
-	  ren->ResetCamera();
+	  aWindow->Render();
+	  aRenderer->ResetCamera();
 
-	  iren->Start();
+	  anInteractor->Start();
 	  return 0;
 	}
       }
-- 
2.39.2