[Chimera-users] question about measuring volume via command line and the nogui option

Dear Chimera Users i am new to chimera, is it possible using something like: chimera --nogui open myfile.mol2 and then i would like to measure the area and volume...but i am not sure which command to use. I can get the surface with this command but to get the volume, i have to use the graphic interface, i do not see either the name of the command in the command history list... thanks if you can give me some advices Bruno