Christian Froeschlin wrote:
>> I found the Perl::GD module convenient for generating a height field.  
> 
> If you have a function to generate the height
> field, you can also use it in SDL directly:
> 
> #declare npoints = 512;
> #declare f       = function {0.1+0.1*sin(x*20)};
> #declare fmax    = 0.2;
> 
> height_field
> {
>   function npoints, npoints {f(x,0,y)/fmax}
> }

Thanks!

A disadvantage of the Perl GD module is I can't figure out how to generate 16-bit PNG
with it, which is a real issue, even with "smooth".  The advantage, of course, is you
needn't reevaluate the function each time the code is executed, depending on the
function complexity.

Dan

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