In the module r.walk, it seems that the default value for lambda
should be 0. Is this correct? If so, can it be set as the default so
that new users wouldn't constantly need to look it up and put 0 in
this field?
Michael
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I've been emailing with Helena to try to understand exactly how lambda
and a friction surface interacts with information about topography
(extracted from a DEM) in r.walk. It seems a good idea to put this
back on the list. Perhaps I'm the only one a little in the dark, but
maybe it can help
I opened the code and it has it right in header:
TOTAL COST = [(WALKING ENERGY ) + (LAMBDA*FRICTION)]
maybe this is how it should go into the man page
Helena
On Oct 10, 2008, at 2:21 PM, Michael Barton wrote:
I've been emailing with Helena to try to understand exactly how
lambda and a fr
On Oct 10, 2008, at 11:32 AM, Helena Mitasova wrote:
I opened the code and it has it right in header:
TOTAL COST = [(WALKING ENERGY ) + (LAMBDA*FRICTION)]
maybe this is how it should go into the man page
That seems like a good idea.
This suggests that friction and lambda should be in som
On Oct 10, 2008, at 7:39 PM, Michael Barton wrote:
On Oct 10, 2008, at 11:32 AM, Helena Mitasova wrote:
I opened the code and it has it right in header:
TOTAL COST = [(WALKING ENERGY ) + (LAMBDA*FRICTION)]
maybe this is how it should go into the man page
That seems like a good idea.
T
Thanks very much for this thorough explanation Helena. It is quite
helpful. I hope that Roberto can verify (or correct) this.
I'm copying some folks who have been working with r.walk recently. Our
lab discussions on this caused me to raise these questions.
On the issue I first asked about,
I join Michael in this request:
http://article.gmane.org/gmane.comp.gis.grass.devel/23787
(in our case, it was looking at energy penguins expended to reach their nests)
Hamish
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