Hello,
thanks for the example file ! It is very interesting. I have quite a stupid
question to ask though. For the elevation data, you use a "pgm" file. Do
you generate it "by hand" from the elevation data you get from the given
datasource (USGS, NASA, etc...) ? Are there any utilities to manipulate the
..hgt, .dem ... files and convert them to pgm files ?
Thank you for your answer and thanks for your GREAT web site
Sylvain

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