Numbering and Naming Regions

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Numbering and Naming Regions

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REGION,EXCLUDE and FEATURE subsections can be assigned numbers and/or names.  

When numbers are assigned they should be in ascending sequential order beginning with one.  It is recommended that numbers always be assigned.  


When names are assigned they must take the form of a quoted string and must be placed immediately after either the reserved word REGION, EXCLUDE, or FEATURE or any number assigned to the REGION, EXCLUDE, or FEATURE.  Assigned names must be unique to the REGION, EXCLUDE or FEATURE that they name.

Assigned region names are useful when region-restricted plots or volume integrals are desired.




REGION 2 'Thing'



contour(u) on 'Thing'