[GRASS-user] Two General Questions

Jarek Jasiewicz jarekj at amu.edu.pl
Fri Feb 12 13:41:11 EST 2010


Rich Shepard pisze:
> On Fri, 12 Feb 2010, Jarek Jasiewicz wrote:
>
>>>   1) Can GRASS work with TINs for elevation determinations? I've not 
>>> seen
>>> anything about it, yet I've read that it has advantages over 
>>> raster-based
>>> DEMs for some purposes and wonder if there are any plans to 
>>> accommodate this
>>> data structure.
>
>> No
>
>   That's what I thought, Jarek.
>
>> d.rast -o see d.rast
>
>   I completely forgot about the overlay switch. Thank you.
>
>> I also suggest nviz and nviz documentation.
>
>   I'm working my way through the documentation and slowly learning how to
> use nviz.
>
>> I also suggest you  Open Source GIS a GRASS GIS approach by Marcus 
>> Neteler and Helena Mitasova
>
>   Have the second edition which I've thoroughly read.
>
>> nviz give you really impressive visuals with maximum resolution ppm 
>> images
>> (require posterior GIMP post processing) but please! read manual first.
maximum resolution ppm will give you tiled image which must be joined
>
>   I'll do more with this. All I did so far with the GIMP is crop the 
> image.
> Then I converted it to .jpg for inclusion in the LaTeX document.
>
>   If you have suggestions for post-processing with the GIMP, I'd like to
> learn them.
>
> Rich
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