| Contains convex HTM definition strings for regions. |
| Each region in the Region table consists of the union of one or more convexes defined by constraints in the HalfSpace table. This table stores a string for each of those convexes. The strings are used in Region-Overlaps queries. The strings have the format (x y z c)+ They are populated by a call to dbo.fRegionGetConvexString(regionid,convexid) |
| Index Type | Key or Field List |
| primary key | regionid, convexid |
| foreign key | Region(regionid) |