Re: [GRASS-user] r.resamp.rst - ERROR: Input window changed while maps are open for read.

[Glynn Clements]

Markus Neteler wrote:

> > the issue is still there. I get the same error message. Using the stable
> > version of GRASS (6.4) is not an option for me since I am working with very
> > large files (>2GB) for which this module returns the error described  here
> >   .
> 
> The ticket reports on r.resamp.rst in GRASS 6. We cannot fix it there
> easily since many libraries are involved (see ticket).
> 
> Does the problem also exist in GRASS 7 for you?
> You can install it in parallel to GRASS 6, see
> http://grass.osgeo.org/download/software/linux/#grass70

In 6.x, the tempfile code in the RST library is limited to 2 GiB
(ticket #1786).

In 7.x, the RST library isn't working because it hasn't been updated
for the new raster window handling (r40772 etc) (ticket #1718).

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Glynn Clements 
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Re: [GRASS-user] r.resamp.rst - ERROR: Input window changed while maps are open for read.

[Markus Neteler]

Bert,

On Sun, Mar 16, 2014 at 6:39 PM, bwus  wrote:
> Dear all,
>
> the issue is still there. I get the same error message. Using the stable
> version of GRASS (6.4) is not an option for me since I am working with very
> large files (>2GB) for which this module returns the error described  here
>   .

The ticket reports on r.resamp.rst in GRASS 6. We cannot fix it there
easily since many libraries are involved (see ticket).

Does the problem also exist in GRASS 7 for you?
You can install it in parallel to GRASS 6, see
http://grass.osgeo.org/download/software/linux/#grass70

Markus
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Re: [GRASS-user] r.resamp.rst - ERROR: Input window changed while maps are open for read.

[bwus]

Dear all,

the issue is still there. I get the same error message. Using the stable
version of GRASS (6.4) is not an option for me since I am working with very
large files (>2GB) for which this module returns the error described  here
  . 

Any suggestions?

Many thanks,
Bert



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Re: [GRASS-user] r.resamp.rst - ERROR: Input window changed while maps are open for read.

[Markus Neteler]

On Mon, May 6, 2013 at 12:49 PM, Pietro  wrote:
> Dear all,
>
> I'm trying to use r.resamp.rst in GRASS7, I would like to interpolate
> a map from a resolution of 1m to a resolution of 0.25.

Note also the module mentioned below.

Re r.resamp.rst usage:

On Thu, May 22, 2008 at 4:02 PM, Paul Kelly wrote:
> On Thu, 22 May 2008, Hamish wrote:
>
>>> Thanks for the answer - I am in the process of trying it out. But:
>>> When I try to use r.resamp.rst, I get the error message "Input map
>>> resolution differs from current region resolution!". I thought that
>>> r.resamp.rst is doing exactly that - changing the resolution?
>>
...
> As far as I know it works "the wrong way round", i.e. different from the
> other resampling modules - you actually run it with the resolution set to
> that of the original map (g.region rast=mapname), and set the desired new
> resolution using command-line options.

I'm afraid that this is still the case.
However, like this it should work for you.

Note also this module:
http://grass.osgeo.org/grass70/manuals/r.resamp.interp.html
 r.resamp.interp - Resamples raster map layers to a finer grid using
interpolation.

@devs: the best might be to add the RST method to r.resamp.interp...

Markus
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Re: [GRASS-user] r.resamp.rst - ERROR: Input window changed while maps are open for read.

[Hamish]

Pietro wrote:
> I'm trying to use r.resamp.rst in GRASS7,
...
> Now if I try to run the following command I got:
...
> ERROR: Input window changed while maps are open for read.
> Map name 
...
> What did I do wrong?
> Any hints?

you didn't do anything wrong, the module has not been fully ported to grass 7 
yet. try it in GRASS 6.


Hamish
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[GRASS-user] r.resamp.rst - ERROR: Input window changed while maps are open for read.

[Pietro]

Dear all,

I'm trying to use r.resamp.rst in GRASS7, I would like to interpolate
a map from a resolution of 1m to a resolution of 0.25.
I'm working with the following region:

{{{
GRASS 7.0.svn (edi):~ > g.region -p
projection: 99 (Transverse Mercator)
zone:   0
datum:  osgb36
ellipsoid:  airy
north:  674050
south:  673911
west:   325025
east:   325233
nsres:  1
ewres:  1
rows:   139
cols:   208
cells:  28912
}}}

Now if I try to run the following command I got:

{{{
GRASS 7.0.svn (edi):~ > r.resamp.rst input=diff ew_res=0.25 nsres=0.25
elev=diff_overl3_ten40 overlap=3 tension=40.
ERROR: Input window changed while maps are open for read. Map name 
}}}

If I change the region to the resolution 0.25 I still got the same error:

{{{
GRASS 7.0.svn (edi):~ > g.region res=0.25 -p
projection: 99 (Transverse Mercator)
zone:   0
datum:  osgb36
ellipsoid:  airy
north:  674050
south:  673911
west:   325025
east:   325233
nsres:  0.25
ewres:  0.25
rows:   556
cols:   832
cells:  462592
GRASS 7.0.svn (edi):~ > r.resamp.rst input=diff ew_res=0.25 nsres=0.25
elev=diff_overl3_ten40 overlap=3 tension=40.
ERROR: Input map resolution differs from current region resolution!
}}}

the map diff is a FCELL map

{{{
GRASS 7.0.svn (edi):~ > r.info diff -g
north=68
south=65
east=34
west=31
nsres=1
ewres=1
rows=3
cols=3
cells=9
datatype=FCELL
}}}

What did I do wrong?
Any hints?

Pietro
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