From d4b27b0368a4ec632134f99dee1dbdef18c9a893 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Fri, 23 May 2008 07:15:47 +0000
Subject: [PATCH] Fix for Bug NPAL19763  - EDF 714 VISU : Can't read a med file

---
 src/CONVERTOR/VISU_AppendFilter.cxx          |  6 ++---
 src/CONVERTOR/VISU_AppendFilterUtilities.cxx | 23 ++++++++++++++++++--
 2 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/src/CONVERTOR/VISU_AppendFilter.cxx b/src/CONVERTOR/VISU_AppendFilter.cxx
index 604e38c1..c605d563 100644
--- a/src/CONVERTOR/VISU_AppendFilter.cxx
+++ b/src/CONVERTOR/VISU_AppendFilter.cxx
@@ -56,14 +56,14 @@ VISU_AppendFilter
 	      vtkInformationVector *theOutputVector)
 {
   bool anIsExecuted = false;
-  if(GetNumberOfInputConnections(0) > 1 || IsMergingInputs() || IsMappingInputs())
+  if( IsMergingInputs() || IsMappingInputs() )
     anIsExecuted = VISU::UnstructuredGridRequestData(theInputVector,
-						     this->GetNumberOfInputConnections(0),
+						     GetNumberOfInputConnections( 0 ),
 						     theOutputVector,
 						     GetSharedPointSet(),
 						     IsMergingInputs(),
 						     IsMappingInputs());
-  if(!anIsExecuted)
+  if( !anIsExecuted )
     anIsExecuted = Superclass::RequestData(theRequest,
 					   theInputVector,
 					   theOutputVector);
diff --git a/src/CONVERTOR/VISU_AppendFilterUtilities.cxx b/src/CONVERTOR/VISU_AppendFilterUtilities.cxx
index 3294684d..4ff6233c 100644
--- a/src/CONVERTOR/VISU_AppendFilterUtilities.cxx
+++ b/src/CONVERTOR/VISU_AppendFilterUtilities.cxx
@@ -191,14 +191,33 @@ namespace
 	      bool theIsMergingInputs,
 	      bool theIsMappingInputs)
   {
-    if(theSharedPointSet){
+    if ( theNumberOfInputConnections == 1 ) {
+      // get the input and ouptut
+      vtkDataSet *anInput = VISU::GetInput( theInputVector, 0 );
+      vtkDataSet* anOutput = VISU::GetOutput( theOutputVector );
+
+      if ( anInput->GetDataObjectType() != anOutput->GetDataObjectType() )
+	return false;
+
+      // This has to be here because it initialized all field datas.
+      anOutput->CopyStructure( anInput );
+  
+      // Pass all. (data object's field data is passed by the
+      // superclass after this method)
+      anOutput->GetPointData()->PassData( anInput->GetPointData() );
+      anOutput->GetCellData()->PassData( anInput->GetCellData() );
+      
+      return true;
+    }
+
+    if ( theSharedPointSet ) {
       vtkPoints* aPoints = theSharedPointSet->GetPoints();
       if(aPoints->GetNumberOfPoints() < 1)
 	return true;
   
       TDataSet* anOutput = TDataSet::SafeDownCast(VISU::GetOutput(theOutputVector));
       vtkIdType anNbInputs = theNumberOfInputConnections;
-      if(theIsMergingInputs){
+      if ( theIsMergingInputs ) {
 	TCellIdMerger aFunctor(anNbInputs);
 	ForEachInput<TCellIdMerger>(theInputVector, anNbInputs, aFunctor);
 
-- 
2.39.2