Implied Subset Mappings


AggHAR is able to deduce mappings of subsets from user-specified mappings which show how a parent (superset) is to be aggregated.

Suppose you wanted to aggregate a HAR file which contained arrays of COM and MAR dimensions, where MAR is a subset of COM. You would have to supply a new aggregated set, say AGGCOM, and a mapping from COM to AGGCOM.

AggHAR would notice (by inspecting elements) that MAR was a subset of COM, and could, if necessary, invent a new set, called perhaps AGGMAR, the subset of AGGCOM to which elements of MAR correspond. And AggHAR could deduce the mapping which related MAR to AGGMAR. This mapping, called say MAR2AGGMAR, would be used to aggregate arrays with MAR dimensions.

ViewHAR is not able to make these inferences so you would have to specify the AGGMAR set and MAR2AGGMAR mapping. AggHAR will use this information if you supply it, otherwise it will attempt to deduce it.



URL of this topic: www.copsmodels.com/webhelp/viewhar/hc_impliedsubsets.htm

Link to full GEMPACK Manual

Link to GEMPACK homepage