[Mapserver-users] solved: Logical expressions in CLASS EXPRESSION

[Stefanie Weykam]

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Big surprise!
I stripped everything down to the very essential, even the comments behind
the EXPRESSION (where I kept all the expressions that I had tried so far) -
and there it was!

Remember: 
  EXPRESSION ([Riq50] <=1) didn't show while    EXPRESSION  '1' did 

Problem identified: 
Any #comment which contains brackets and parenthesis makes the expression
fail (is apparently not understood as comment) unless the expression itself
does not contain any brackets and parenthesis.
For example:
  EXPRESSION  ([Riq50] >1)    # ([Riq50] >1)    - fails
and 
 EXPRESSION  ([Riq50] >1)    # ('[Utm50km]' = 'VH4')    - fails
while 
  EXPRESSION  '1'  # ([Riq50] >1)    - is OK
and 
 EXPRESSION  ([Riq50] >1)    - is OK

In the first two cases there are parenthesis and brackets, both in the
expression and in the comment. 
So, this is it. Funny thing.

cheers,
Stefanie



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