[cairo] Algorithm help please!

[Donn]

On Friday, 08 May 2009 14:46:17 Jonathan Morton wrote:
> "Manhattan distance",
And, bam!, I can visit wikipedia with a key word. Thanks.

> which is a fair approximation to the Euclidean 
> distance (which is what Pythagoras gives you).  The big advantage of
> such an approximation is speed
I see. I never knew this. It's great stuff. I may just stick to the taxi-cab 
method. Looking at the output of Gerdus' code, it's remarkably good, so I 
think it will work.

\d
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