[GRASS-user] a few suggestions and questions

Jarek Jasiewicz jarekj at amu.edu.pl
Thu Mar 6 00:45:47 EST 2008


Dylan Beaudette wrote:
> On Monday 03 March 2008, Jarosław Jasiewicz wrote:
>   
>> Nikos Alexandris pisze:
>>     
>>> On Mon, 2008-03-03 at 22:52 -0300, Carlos "Guâno" Grohmann wrote:
>>>       
>>>> Hello all
>>>>         
>>> [...]
>>>
>>>       
>>>> is plan curvature in r.param.scale broken? I can't get a map of it.
>>>> profc works fine. Also is it possible to make r.param.scale work in
>>>> latlong regions? (please?)
>>>>         
>> it is imposible due to polinominal fitting when window is more than 3
>>     
>
> This may reveal my level of understanding of the r.param.scale module, but why 
> should the profile curvature be impossible to calculate when the window size 
> is > 3x3 ?
>
> Thanks
>
> Dylan
>
>
>   
>>> Probably not! Just tested... and it says: Lat/Long location is not
>>> supported
>>>
>>> Maybe check the PhD thesis:
>>> www.soi.city.ac.uk/~jwo/phd/
>>>
>>>
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>
>
>   
I analised the code of (I need that solution for some other problem). 
The module use polinominal fitting to calculate is written to work on 
rectangular grid, so program shoud be compeeltly rewriten to use 
lat-long. As far as I know - r.param scale is now development as 
Landserf maybe try this but I cant say if landserf can work on lat-long 
(I suppose - yes)


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