- typedef itk::Image< DisplacementType, InputImageType::ImageDimension > DeformationFieldType;
- typedef itk::TransformToDeformationFieldSource<DeformationFieldType, double> ConvertorType;
+ typedef itk::Image< DisplacementType, InputImageType::ImageDimension > DisplacementFieldType;
+#if ITK_VERSION_MAJOR >= 4
+ typedef itk::TransformToDisplacementFieldSource<DisplacementFieldType, double> ConvertorType;
+#else
+ typedef itk::TransformToDeformationFieldSource<DisplacementFieldType, double> ConvertorType;
+#endif