+protected:
+ /**
+ * Enumeration of tags corresponding to the persistent object parameters.
+ */
+ enum DataTag
+ {
+ DataTag_First = HYDROData_Object::DataTag_First + 100, ///< first tag, to reserve
+ DataTag_Operator, ///< name of the operator that must be executed for image update
+ DataTag_TrsfPoints, ///< image transformation points (3 input + 3 output)
+ DataTag_FilePath ///< image imported file path
+ };
+