[Radiance-general] reg texture/picture mapping

[G.S.Monga]

hi all,

I have got a problem regarding texture/picture mapping on  a surface.I have 
got a surface of dimension 100X100 units and a picture of 10.0x.20.0 units.I 
am able to fill the surface by scaling the picture .
Now i want this picture to fill the whole surface, maintaining the original 
size of 10.0x 20.0 i.e.
10 picture should come in x- direction and 5 in y direction.Also is there 
any option in radiance texture mapping that automatically repeats the 
picture and maps it  to any surface to fill the whole surface maintaing the 
original size of texture/picture

I hope i was able to communicate the problem correctly

regards
Gurneet