Hi Giovannino,You can use physical renderer and if you do so, you can
'brighten' your image with the F-stop/Shutter speed settings of the
physical camera. In this case you will prabably increment noise level as
well. Before you go to the flash direct...
If you start mess with IF, maybe you want to add a "-" sign as well. IF
( {Property:Paramètres généraux/Altitude inférieure à Zéro du projet} >
0 cm; CONCAT ( "+"; STRCALCUNIT ( {Property:Paramètres généraux/Altitude
inférieure à Zéro du projet} ); "...