ENH: Added support for GetData(). This method makes it easy to get input/output in algorithms

Filtering/vtkHierarchicalBoxDataSet.cxx

@@ -21,11 +21,12 @@
 #include "vtkInformationIdTypeKey.h"
 #include "vtkInformationIntegerVectorKey.h"
 #include "vtkInformationKey.h"
+#include "vtkInformationVector.h"
 #include "vtkObjectFactory.h"
 #include "vtkUniformGrid.h"
 #include "vtkUnsignedCharArray.h"
 
-vtkCxxRevisionMacro(vtkHierarchicalBoxDataSet, "1.14");
+vtkCxxRevisionMacro(vtkHierarchicalBoxDataSet, "1.15");
 vtkStandardNewMacro(vtkHierarchicalBoxDataSet);
 
 vtkInformationKeyMacro(vtkHierarchicalBoxDataSet,BOX,IntegerVector);
@@ -370,3 +371,17 @@ void vtkHierarchicalBoxDataSet::PrintSelf(ostream& os, vtkIndent indent)
     }
 }
 
+//----------------------------------------------------------------------------
+vtkHierarchicalBoxDataSet* vtkHierarchicalBoxDataSet::GetData(
+  vtkInformation* info)
+{
+  return
+    info?vtkHierarchicalBoxDataSet::SafeDownCast(info->Get(DATA_OBJECT())) : 0;
+}
+
+//----------------------------------------------------------------------------
+vtkHierarchicalBoxDataSet* vtkHierarchicalBoxDataSet::GetData(
+  vtkInformationVector* v, int i)
+{
+  return vtkHierarchicalBoxDataSet::GetData(v->GetInformationObject(i));
+}

Filtering/vtkHierarchicalBoxDataSet.h

@@ -109,6 +109,13 @@ public:
   // points.
   virtual vtkIdType GetNumberOfPoints();
 
+  //BTX
+  // Description:
+  // Retrieve an instance of this class from an information object.
+  static vtkHierarchicalBoxDataSet* GetData(vtkInformation* info);
+  static vtkHierarchicalBoxDataSet* GetData(vtkInformationVector* v, int i=0);
+  //ETX
+
 protected:
   vtkHierarchicalBoxDataSet();
   ~vtkHierarchicalBoxDataSet();

Filtering/vtkMultiBlockDataSet.cxx

@@ -17,10 +17,11 @@
 #include "vtkDataSet.h"
 #include "vtkInformation.h"
 #include "vtkInformationIntegerKey.h"
+#include "vtkInformationVector.h"
 
 #include "vtkObjectFactory.h"
 
-vtkCxxRevisionMacro(vtkMultiBlockDataSet, "1.6");
+vtkCxxRevisionMacro(vtkMultiBlockDataSet, "1.7");
 vtkStandardNewMacro(vtkMultiBlockDataSet);
 
 vtkInformationKeyMacro(vtkMultiBlockDataSet,BLOCK,Integer);
@@ -64,3 +65,16 @@ void vtkMultiBlockDataSet::PrintSelf(ostream& os, vtkIndent indent)
   this->Superclass::PrintSelf(os,indent);
 }
 
+//----------------------------------------------------------------------------
+vtkMultiBlockDataSet* vtkMultiBlockDataSet::GetData(vtkInformation* info)
+{
+  return
+    info? vtkMultiBlockDataSet::SafeDownCast(info->Get(DATA_OBJECT())) : 0;
+}
+
+//----------------------------------------------------------------------------
+vtkMultiBlockDataSet* vtkMultiBlockDataSet::GetData(vtkInformationVector* v,
+                                                    int i)
+{
+  return vtkMultiBlockDataSet::GetData(v->GetInformationObject(i));
+}

Filtering/vtkMultiBlockDataSet.h

@@ -87,6 +87,13 @@ public:
 
   static vtkInformationIntegerKey* BLOCK();
 
+  //BTX
+  // Description:
+  // Retrieve an instance of this class from an information object.
+  static vtkMultiBlockDataSet* GetData(vtkInformation* info);
+  static vtkMultiBlockDataSet* GetData(vtkInformationVector* v, int i=0);
+  //ETX
+
 protected:
   vtkMultiBlockDataSet();
   ~vtkMultiBlockDataSet();