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is_imagepol - Function



Package general
Module images


Is this variable an imagepol tool ?


Synopsis
is_imagepol(thing)


Arguments

thing in Variable to test
    Allowed: Glish variable
    Default: None



Returns
T or F


Description

Determine if this variable is an Imagepol tool. This is very useful in scripts; for robustness, you check that the tool is an Imagepol tool before you start applying Imagepol tool functions.



Example
- p:=imagepol('myimage')
- is_imagepol(p)
T 
- p2 := [10,20]   
- is_imagepol(p2)   
F





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