[UMN_MAPSERVER-USERS] Labelangleitem question

[Stéphane RIFF]

Hello,

I want to invert the sign of the field I want to use in 
layer->labelangleitem.
I don't want to it in the database because the information are sent by gps.
I want to know if it's possible do it on the fly with mapscript and how 
(expression in the labelangleitem property ???) ?

Thanks
Steff