it is strange and i understand why i have problem to discover constant value ...
why in the documentation the GeomType item in index don't exist and the label is "GeomArea, GeomLine and GeomPoint" instead Geomtype ? like there is FormatType ?
http://www.georeference.org/doc/whgdata/whlstt78.htm#78
Book about Science , cosmological model , Interstellar travels
Boyle surface fr ,en
That should be GeomType, yes.
Good catch, thanks.