[Gdal-dev] RE: shaded relief utility (DIY)

[jluis]

Charles Wivell wrote:
> Hi all;
> 

> If you want to include shadow, it becomes a little more complex.
> 

Charles,
Do you know any reference where I could study the more complex
"include shadow" method?

I have implemented 4 or 5 different algorithms of shading relief but
none of them does shadows.
To my knowledge, the best shading with shadows is the one used by a
software called flerdermaus.

J. Luis