Merge topic 'XML_structureddatawriter_fielddata'

47e87f0e Fixing issue with writing structured XML field data

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Cory Quammen <cory.quammen@kitware.com>
Merge-request: !4322

IO/XML/vtkXMLStructuredDataWriter.cxx

@@ -205,7 +205,7 @@ int vtkXMLStructuredDataWriter::ProcessRequest(
         this->UpdateFieldData(fieldDataCopy);
 
         // Write the field data arrays.
-        this->WriteFieldDataAppendedData(this->GetInput()->GetFieldData(),
+        this->WriteFieldDataAppendedData(fieldDataCopy,
           this->CurrentTimeIndex, this->FieldDataOM);
         if (this->ErrorCode == vtkErrorCode::OutOfDiskSpaceError)
         {