On 2/25/2020 2:51 PM, Jörg "Yadgar" Bleimann wrote:
> Hi(gh)!
> 
> ...and thus, most likely no POVghanistan!
> 
> The reason: the data structure in the ASCII elevation data tiles 
> generated with 3DEM from the original ASTER GeoTIFFs is too 
> unpredictable to reliably generate anything from them using POV-Ray!
> Values ending in .00 are intermingled with those ending in .0 or being 
> real decimal fractures, they are mostly separated by one space, but 
> sometimes also two... no combination of sed commands I ever tried 
> produced a POV-Ray-processible file! Some tiles work, while others won't...
> 
> I could give C++ a try, but even then it would be next to impossible for 
> me to take all peculiarities of the ASCII tiles into account... 
> POVghanistan will forever be limited to a classic heightfield containing 
> Kabul and a small portion of its surroundings I started pixeling 
> manually from that Russian topographic map in 2004. OpenCologne will 
> never come into existence unless I find a really powerful contour line 
> interpolation tool.
> 
> It just HURTS to give up some many dreams, from travelling to real 
> Afghanistan, growing my hair to waist length, making a living as a 
> professional programmer and now building Khyberspace...
> 
> See you in Khyberspace, perhaps in another world and time...
> 
> Yadgar

You should not have to use C++ to do this. Python likely supports 
regular expressions too. And the PyPy extension is very fast!


Michael

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