set scale in p.map

R.O.C
newsgroups: info.grass.user
originator: daemon@ux1.cso.uiuc.edu

        I use p.select and p.map to convert some raster and vector
maps into .ppm format. I would like to produce smaller maps, but the
'scale' parameter just doesn't work! Could anyone give me a hint how
to scale down an output map with p.map command? Thanks in advance!

Regards,
Madeline Shaw

Institute of Informationn Science
Academia Sinica
Email: madeline@iis.sinica.edu.tw