"Chris B" <c_b### [at] btconnectcomnospam> wrote:
> camera {location <0,0.5,-2> look_at <0,0.5,0> normal {granite 0.005 scale> 0.01}}
how about this management is compared quantitively with Adding a certain
normal distributed noise R(0,3)(0 is the mean value , 3 is the root mean
square error) to the image,then? Thanks anyway!