[maplab-users] Some problem with expression and a value

Thu, 4 Dec 2003 03:33:57 -0800 (PST)
[English is not my natural language...]


I've made many classes for a layer and I need to add
an expression in one of them. I know the name of the
field what I need but nothing appear for 1 class maybe
because of the value.

In the field Expression of the class (where nothing
appear), I put :


I think my problem is the - ' - (quote) .

How I can do to use this value - 5' - ?

Must I need to change in my DBF/SHP/SHX, the value by
a real number ? (example 50)



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