[GRASS-user] r.le.setup trouble

[Jachym Cepicky]

hi,
On Mon, Dec 11, 2006 at 02:29:46PM +0100, Koen Hufkens wrote:
> I'm using 6.0.2 from the ubuntu repositories.
> 
> I'm currently looking for a repository offering a more recent release
> but I don't seem to find one.

try this:

deb http://les-ejk.cz/ubuntu edgy multiverse

I got at least one positive feedback

please, let me know, if the packages are all right

thank you

jachym

P.S. GRASS 6.2.0, gdal 1.3.2, proj 4.5, qgis 0.8
> 
> It has something to with this release because I tried the same thing on
> the computer of friend of mine and it gave the same error.
> 
> Koen
> 
> On Tue, 2006-12-12 at 00:11 +1300, Hamish wrote:
> > Koen Hufkens wrote:
> > > I have some trouble with the r.le.setup module, maybe someone knows
> > > the solution to this.
> > > 
> > > When I run r.le.setup to define my moving window specification to use
> > > in further r.le analysis the module stalls when I'm being asked to
> > > specify the size of my (rectangular) moving window. If I do so, let's
> > > say a 3 by 3 window, it complains about a 0 being present while I
> > > didn't type any zeros.
> > > 
> > > The full output of the procedure I followed is listed below:
> > > 
> > >  HOW WILL YOU SPECIFY THE MOVING WINDOW?
> > > 
> > >        Use keyboard to enter moving window dimensions   1
> > >        Use mouse to draw moving window                  2
> > > 
> > >                                             Which Number?  1
> > > 
> > >     If a MASK is not present (see r.mask) a beep may sound
> > >     and a WARNING may be printed that can be ignored.
> > >     If a MASK is present there will be no warning.
> > > WARNING: unable to open raster map [MASK in PERMANENT]
> > > 
> > > 
> > >     Do you want to sample using rectangles
> > >        (including squares) (y) or circles (n)?   (y/n) [y]  
> > > 
> > >     Enter number of COLUMNS & ROWS for the dimensions of
> > >        the moving window (e.g., 10 10):  3 3 
> > > 
> > >     You entered a dimension as 0; enter dimensions again
> > > 
> > > ---
> > > 
> > > Entering other delimiters other than space didn't work either.
> > > 
> > > Any clues why I can't define ar rectangular moving window. I tried a
> > > circular one and that did work?
> > 
> > What version of GRASS? There were substantial fixes for r.le.setup right
> > before GRASS 6.2.0 was released. If 6.3-cvs, check out r.li too.
> > 
> > 
> > The above works fine for me using the spearfish dataset. Space as the
> > delim between "3 3". Draws the box, then moves on to the next question.
> > 
> > 
> > here is the relevant code from r.le.setup/mv_wind.c
> > 
> > ...
> > 			/* if sampling using rectangles/squares */
> > 
> >         else {
> > back:
> >            fprintf(stderr, "\n    Enter number of COLUMNS & ROWS for the dimensions of");
> >            fprintf(stderr, "\n       the moving window (e.g., 10 10):  ");
> > 
> >            numtrap(2, tmp);
> >            u_w = fabs(tmp[0]);
> >            u_l = fabs(tmp[1]);
> >            u_w0 = fabs(tmp[0])/mx[0];
> >            u_l0 = fabs(tmp[1])/mx[1];
> > 
> > 				/* trap possible errors in dimensions */
> > 
> >            if (!u_w0 || !u_l0) {
> >               fprintf(stderr, "\n    You entered a dimension as 0; enter dimensions again\n");
> > 
> >               goto back;
> >            }
> > 
> > 
> > 
> > numtrap() is at the end of r.le.setup/sample.c.
> > 
> > 
> > 
> > Hamish
> 
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-- 
Jachym Cepicky
e-mail: jachym.cepicky at centrum.cz
URL: http://les-ejk.cz
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