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Version 1.9 Build 1488 |
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Package | general | |
Module | images |
thing | in | Variable to test | |
Allowed: | Glish variable | ||
Default: | None |
Determine if this variable is a Coordsys tool. This is very useful in scripts; for robustness, you check that the tool is a Coordsys tool before you start applying Coordsys tool functions.
cs := coordsys(); is_coordsys(cs) T cs2 := 'doggies' is_coordsys(cs2) F