[GRASS-dev] Re: raster modules still using sites library

2008-11-19 Thread Michael Barton

I figured out what the 'problem' is with r.walk.

If you use a null map for the friction map (because a friction map is  
required even if you don't want to use it), it creates raster support  
files but no map (i.e., no cell/fcell map).


This is a minor bug as it should either give an error or create  
something (null map, ignore the friction map, but something). But it  
is an easy workaround and is not critical. Still, people should be  
aware of this.


Michael
__
C. Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution  Social Change
Center for Social Dynamics  Complexity
Arizona State University
Tempe, AZ  85287-2402
USA

voice: 480-965-6262; fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton

On Nov 18, 2008, at 12:31 PM, Michael Barton wrote:


Thanks Colin,

I'll need to try more to see what is going on.

Michael
__
C. Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution  Social Change
Center for Social Dynamics  Complexity
Arizona State University
Tempe, AZ  85287-2402
USA

voice: 480-965-6262; fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton

On Nov 18, 2008, at 12:26 PM, Colin Nielsen wrote:

I'm not sure what version you are using but those modules run fine  
for

me using a vector file, with multiple points (I've been using v6.3
compiled in windows with msys/mingw). They just put up a warning
message about the sites library being deprecated. Honestly, I
attempted but failed to update r.walk to the vector library. My
programming skills are not quite up to par, yet.

-Colin

On Tue, Nov 18, 2008 at 2:17 PM, Michael Barton [EMAIL PROTECTED] 
 wrote:
For several years now, r.cost, r.drain, and now r.walk have  
continued to use
the adapted sites library instead of the vector library. This  
means that
they all fail if you enter vector points as starting points. It  
sure would
be nice if this feature actually worked on these so that you could  
1) use a
vector map for start points rather than having to manually enter  
coordinates

and 2) use multiple starting points.

Michael
__
C. Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution  Social Change
Center for Social Dynamics  Complexity
Arizona State University
Tempe, AZ  85287-2402
USA

voice: 480-965-6262; fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton






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[GRASS-dev] Re: raster modules still using sites library

2008-11-18 Thread Colin Nielsen
I'm not sure what version you are using but those modules run fine for
me using a vector file, with multiple points (I've been using v6.3
compiled in windows with msys/mingw). They just put up a warning
message about the sites library being deprecated. Honestly, I
attempted but failed to update r.walk to the vector library. My
programming skills are not quite up to par, yet.

-Colin

On Tue, Nov 18, 2008 at 2:17 PM, Michael Barton [EMAIL PROTECTED] wrote:
 For several years now, r.cost, r.drain, and now r.walk have continued to use
 the adapted sites library instead of the vector library. This means that
 they all fail if you enter vector points as starting points. It sure would
 be nice if this feature actually worked on these so that you could 1) use a
 vector map for start points rather than having to manually enter coordinates
 and 2) use multiple starting points.

 Michael
 __
 C. Michael Barton, Professor of Anthropology
 Director of Graduate Studies
 School of Human Evolution  Social Change
 Center for Social Dynamics  Complexity
 Arizona State University
 Tempe, AZ  85287-2402
 USA

 voice: 480-965-6262; fax: 480-965-7671
 www: http://www.public.asu.edu/~cmbarton


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[GRASS-dev] Re: raster modules still using sites library

2008-11-18 Thread Michael Barton

Hi Colin,

It looks like this works fine with my system even though it is not  
working with another one. I suspect some local problem in that case.


Michael

C. Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution  Social Change
Center for Social Dynamics  Complexity
Arizona State University

Phone: 480-965-6262
Fax: 480-965-7671
www: www.public.asu.edu/~cmbarton



On Nov 18, 2008, at 12:26 PM, Colin Nielsen wrote:


I'm not sure what version you are using but those modules run fine for
me using a vector file, with multiple points (I've been using v6.3
compiled in windows with msys/mingw). They just put up a warning
message about the sites library being deprecated. Honestly, I
attempted but failed to update r.walk to the vector library. My
programming skills are not quite up to par, yet.

-Colin

On Tue, Nov 18, 2008 at 2:17 PM, Michael Barton [EMAIL PROTECTED] 
 wrote:
For several years now, r.cost, r.drain, and now r.walk have  
continued to use
the adapted sites library instead of the vector library. This means  
that
they all fail if you enter vector points as starting points. It  
sure would
be nice if this feature actually worked on these so that you could  
1) use a
vector map for start points rather than having to manually enter  
coordinates

and 2) use multiple starting points.

Michael
__
C. Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution  Social Change
Center for Social Dynamics  Complexity
Arizona State University
Tempe, AZ  85287-2402
USA

voice: 480-965-6262; fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton




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