o split it on separate obiects
maybe this is better solution?
Jarek
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is considered poor
practice.
Roger
Hamish
Get easy, one-click access to your favorites.
Make Yahoo! your homepage.
http://www.yahoo.com/r/hs
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On Thu, 22 Nov 2007, Jarek Jasiewicz wrote:
Roger Bivand wrote:
On Wed, 21 Nov 2007, Jarek Jasiewicz wrote:
> I'd like to write R sript to read more rasters from grass to R and
> writeh them to objects with unique
>
> what I try to do:
>
> system("
Jarek
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hapefile and dbf which treat null in
integer as 0 during export.
So, it is a problem??? Or May I forgot do something.
best regards
Jarek
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On Tue, 27 Nov 2007, Jarosaw Jasiewicz wrote:
Roger Bivand pisze:
On Mon, 26 Nov 2007, Jarek Jasiewicz wrote:
> Dear Collages!
>
> I found some Issue (seems problematic) with readVECT6 (there are all
> commands I used, complete my answer)
>
> I have vector file att
this, so maybe it's worth
checking. I do not run PostgreSQL, so I'm afraid I can't check myself. If
you do, maybe post to grass-dev?
Roger
Jarek
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st
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Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-m
probable concerns export only, when atributres are
stored in postgreSQL database and it happens when data during v.out.ogr
to shp with dbf table, in spite of NOT NULL in pgsql is set
cheers
Jarek
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map")
Hope this helps,
Roger
outmap <- predict(tree,newdata=mypredDF, type="class")
--------
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On Wed, 19 Dec 2007, Dylan Beaudette wrote:
On Wednesday 19 December 2007, Roger Bivand wrote:
On Wed, 19 Dec 2007, Daniel McInerney wrote:
The original questioner should have written to the grass-stats list in the
first place - thanks for CC-ing. See below for inline comments:
Hi Andy
82610
Fax +39 0461 882672
---------
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Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
Amico
PhD candidate
CUDAM and department of Civil and Environmental Engineering
Universita' degli Studi di Trento
Via Mesiano 77 - 38050 Trento - Italy
email: [EMAIL PROTECTED]
Tel. +39 0461 882610
Fax +39 0461 882672
http://www.dottorato.it/trento/
-
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Rog
ou have traning and testing data sets, you can see how well
loess predicts the test data given the training data.
Hope this helps,
Roger
regards
Jarek
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se.grid)
o1 <- as(meuse.grid, "SpatialPixelsDataFrame")
o2 <- o1[o1$ffreq == 1,]
summary(o2)
Hope this helps,
Roger
tahnx
Jarek
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achine learning" and "pattern recognition", so the
references and links may be rather disorganised.
Hope this helps,
Roger
Jarek
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ot;2"
.. ..$ :Formal class 'Lines' [package "sp"] with 2 slots
.. .. .. ..@ Lines:List of 1
.. .. .. .. ..$ :Formal class 'Line' [package "sp"] with 1 slots
.. .. .. .. .. .. ..@ coords: num [1:5, 1:2] 3590430 3590350 3590210
3590190
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grass
jects
ls()
character(0)
why polygon
Jarek
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that more recent versions had fixed the problem,
I don't think that we know what version of spgrass6 you are using.
Roger
Thanks again,
JM
On Fri, Apr 25, 2008 at 3:52 AM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Fri, 25 Apr 2008, Jarosaw Jasiewicz wrote:
Hi
This mess
fore?
Thanks
Markus
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On Sat, 31 May 2008, Markus Neteler wrote:
Dear Roger,
On Sat, May 31, 2008 at 5:51 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sat, 31 May 2008, Markus Neteler wrote:
Dear Roger, all,
I have to read in Lidar data from GRASS, so speed matters. I have
modified the readVECT6() funct
On Sat, 31 May 2008, Markus Neteler wrote:
On Sat, May 31, 2008 at 6:35 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sat, 31 May 2008, Markus Neteler wrote:
On Sat, May 31, 2008 at 5:51 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sat, 31 May 2008, Markus Neteler wrote:
I
On Sun, 1 Jun 2008, Markus Neteler wrote:
On Sun, Jun 1, 2008 at 8:47 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sat, 31 May 2008, Markus Neteler wrote:
On Sat, May 31, 2008 at 6:35 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sat, 31 May 2008, Markus Neteler wrote:
On
ode would be much cleaner than that currently used. I
think the variants for native Windows/Cygwin/others will still have to
co-exist, though.
Roger
Hamish
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Economics and Business Administration, H
ECTED]'
file='/home/neteler/grassdata/nc_spm_07/sqlite/vector/gauss_random'
The "file" line contains (almost) the dsn path (+ /head)
Best wishes,
Markus
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ection, or
TRUE to force use if the plugin is known to be available.
Roger
On Sun, 22 Jun 2008, Markus Neteler wrote:
Dear Roger,
On Mon, Jun 2, 2008 at 10:03 AM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sun, 1 Jun 2008, Markus Neteler wrote:
On Sat, 31 May 2008, Markus Neteler wrote:
On Mon, 23 Jun 2008, Roger Bivand wrote:
I've submitted spgrass6_0.5-9.tar.gz to CRAN, so barring accidents it should
be out soon. If you're using the raster or vector plugins and have comments,
please let me know - look for the new plugin= argument, which is FALSE by
defaul
On Tue, 24 Jun 2008, Markus Neteler wrote:
On Tue, Jun 24, 2008 at 12:23 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Mon, 23 Jun 2008, Roger Bivand wrote:
I've submitted spgrass6_0.5-9.tar.gz to CRAN, so barring accidents it
should be out soon. If you're using the raster o
a user specific environment variable, so don't need
to add this. I'm not sure what ADD COMMAND LINE is, but if it is ADD
COMMAND LAYER, this is not the right place.
Hope this helps,
Roger
I have looked through the online docs by Roger Bivand and Markus Neetler but
can't
6,
file R/bin_link.R, and let me know if it works, it seems to for me.
Roger
Thanks
Rainer
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Norway. voice: +47 55 95 93 55; fax +4
On Fri, 1 Aug 2008, Rainer M Krug wrote:
On Fri, Aug 1, 2008 at 6:50 PM, Roger Bivand <[EMAIL PROTECTED]> wrote:
On Fri, 1 Aug 2008, Rainer M Krug wrote:
I am confronted with the situation where a raster in grass has only
NULL values.
As I am using grass and R to do simulations, th
=data.frame(SID74=v), proj4string=CRS(proj4string(grd)))
summary(grdd)
image(grdd)
spplot(polyg, "SID74")
Roger
results in the values of the attribute column "d" in grd[[1]]?
Thanks,
Rainer
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)
Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace
R.Version()
$platform
[1] "i686-pc-linux-gnu"
$arch
[1] "i686"
$os
[1] "linux-gnu"
$system
[1] "i686, linux-gnu"
$st
sed
if present in spgrass6, so from rgdal > 0.5-26, it will be the default for
reading from GRASS.
Roger
?
Hamish
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to correctly report the NULL values.
This leads me to suspect that something in readOGR() and writeOGR are
at fault in handling of NULL values.
Unfortunately looking at the rgdal source code wasn't very productive
(my fault).
Cheers,
Dylan
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, where the presumptively useful discussion takes
place where developer(s) can see it.
Roger
With kind regards
Marcel
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s
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, but the Ubuntu links to Grass
6.2.3 and 6.3 are broken.
Is this a temporal problem or do I have to change something ?
Thanks in advance,
Mauricio
--
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ing with R for a couple of years. Is
there something simple I am missing?
Thanks,
Sam
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Nor
ep4 + rep5, data=SGDF)
Untried.
By the way, do you need aov(), or would anova(lm()) do the same? I guess
the richer setting needs facilities in aov() that aren't visible here.
Hope this helps,
Roger
but I don't think this is right. Is it possible to do what I am trying? My
data i
R have the same size
and resolution. You asked the rep* to be treated as factors - did you do
summary(SGDF) to see what is inside? The term "a repetition" isn' clear at
all - are these plot masks or what?
Roger
Thanks,
Sam
Roger Bivand wrote:
On Thu, 20 Nov 2008, Sam Veloz wrot
r.out.gdal, set plugin=FALSE and useGDAL=TRUE (version
0.5-16). Please let me know if this helps.
Roger
Markus
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On Sat, 10 Jan 2009, Markus Neteler wrote:
On Sat, Jan 3, 2009 at 11:09 AM, Roger Bivand wrote:
The current settings of readRAST6() will use the plugin if available (but
try to check that the regions match) when plugin=NULL. If you want to force
the use of r.out.gdal, set plugin=FALSE and
On Sat, 10 Jan 2009, Markus Neteler wrote:
Roger,
On Sat, Jan 10, 2009 at 9:20 PM, Roger Bivand wrote:
On Sat, 10 Jan 2009, Markus Neteler wrote:
On Sat, Jan 3, 2009 at 11:09 AM, Roger Bivand wrote:
The current settings of readRAST6() will use the plugin if available (but
try to check
On Sun, 11 Jan 2009, Markus Neteler wrote:
On Sun, Jan 11, 2009 at 4:48 PM, Roger Bivand wrote:
On Sat, 10 Jan 2009, Markus Neteler wrote:
On Sat, Jan 10, 2009 at 9:20 PM, Roger Bivand wrote:
On Sat, 10 Jan 2009, Markus Neteler wrote:
On Sat, Jan 3, 2009 at 11:09 AM, Roger Bivand wrote
GIS" in the wxpython GUI is lower - any way to harmonise?).
Roger
On Sun, 11 Jan 2009, Roger Bivand wrote:
On Sun, 11 Jan 2009, Markus Neteler wrote:
On Sun, Jan 11, 2009 at 4:48 PM, Roger Bivand wrote:
On Sat, 10 Jan 2009, Markus Neteler wrote:
On Sat, Jan 10, 2009 at 9:20 PM,
, formatC(k, ...),
",1,0)\'", sep="")
cmd
cat(cmd, "\n")
system(cmd)
if you need more control of the string going to system(); in my
experience, eyeballing cmd is very helpful.
Roger
any help?
Agus
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plot.stepfun(ecdf(elev$elev))
plot(res$y[-1], res$t[-c(1, length(res$t))], xlim=c(1, 0), type="l",
ylab="elev", xlab="F(x)")
gets you there. I can't see an argument in the first step to turn plotting
off.
Best wishes,
Roger
thanks
Pierluigi
--
Roger
eo4w stabilises?
Roger
Any help appreciated.
Agus
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Economic Geography Section, Department of Economics, Norwegian School of
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Norway. voice: +47 55 95 93 55; fax +47 55 9
Am I wrong? This is an important
step in practice that is not mentioned in the documents
that you are refering to.
Now mentioned!
best
Markus
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regards, Nikos
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ocation: Rzeki
Package: spgrass6
Version: 0.5-16
Date: 2008-11-13
Built: R 2.8.1; ; 2009-01-02 14:02:31; unix
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On Fri, 3 Apr 2009, Markus Neteler wrote:
On Fri, Apr 3, 2009 at 9:07 AM, Roger Bivand wrote:
On Fri, 3 Apr 2009, Jarek Jasiewicz wrote:
Hi
I during batch processing of couple of maps I found strange behaviour of
readRAST6 when I import cell map with value 999.
Instead of 999 Na is
ether into the same Polygons object.
Hope this helps,
Roger
Jarek
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ame="prcomp1_0607", overwrite=TRUE)
writeRAST6(raw, zcol=9, vname="prcomp1_0607", overwrite=TRUE)
writeRAST6(raw, zcol=10, vname="prcomp1_0607", overwrite=TRUE)
writeRAST6(raw, zcol=11, vname="prcomp1_0607", overwrite=TRUE)
writeRAST6(raw, zcol=12, vname="prcomp1_0607", overwri
lots of places that data.frame objects are used
(since 1992, White Book). Think data.frame objects, not GIS objects
(bands). This is about ontology, really.
Roger
Kindest regards, Nikos
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, we are not going to get anywhere, I'm
afraid. We must have a tarball of the location, and the exact R code being
used.
Roger
Can you reproduce this problem with another dataset? How about a subset of the
data?
Cheers,
Dylan
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Economic Geography Section, Department of
surface reflectance bands:
https://git.berlios.de/cgi-bin/gitweb.cgi?p=gregis;a=blob_plain;f=peloponnesos/modis_peloponnese_postfire07.zip;hb=peloponnese
[2] http://imageshack.gr/view.php?file=owj2xu833u6678c3zvch.png
[3] http://imageshack.gr/view.php?file=n65vfvoo07t3njywfjjo.png
[4] http://imagesha
TA= will simply
handle the NULL values correctly - the problem with any non-null value
given is that it may actually occur in the data in the current region.
Check out the CVS source from sourceforge - project r-spatial, module
spgrass6, it will work with your data.
Roger
--
Roger Biv
the interface
is described in more detail. In fact, the use of rgdal is quite recent, so
most of this implementation post-dates both sources.
Roger
Kindest regards, Nikos
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OK, the R-sig-geo list is now being archived on Nabble2. We'll see how it
works ...
Roger
Bio7 wrote:
>
>
>
> Markus Neteler OSGeo wrote:
>>
>>
>> Roger Bivand wrote:
>>>
>>> On Thu, 16 Oct 2008, Bio7 wrote:
>>> ...
>>&
that the means are all
zero? You will find reading imagery/i.pca/main.c interesting and not hard.
Roger
Cheers, Nikos
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Economic Geography Section, Department of Economics, Norwegian School of
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e:
Dylan:
Could be a DBF-related problem.
Dylan,
I am using sqlite as DB backend. How does this affect the import via
readVECT6?
Nikos
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ates present in the table? See:
http://cran.r-project.org/web/packages/RSQLite/index.html
for direct reading.
Roger
Kindest regards, Nikos
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ou mean the x, y coordinates just as normal columns, no, I don't
require them currently.
Overview of loading grass attrubute table (875 rows, 466 colummns) via:
* readVECT6() with plugin=TRUE : ~57min
* readVECT6() with plugin=FALSE: ~3mi
2D. I can't see that
Vect_read_line returns z as NULL if not 3D - Vect_is_3d() is not used much
in lib/vector/*. I cannot get into the osgeo trac - could you, Hamish,
help and enter a bug in the GDAL/GRASS or whichever trac stream is
relevant?
Roger
Hamish
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E
44 in ogr/ogrsf_frmts/sqlite/ogrsqlitelayer.cpp,
latest GDAL SVN head trunk), that could cause loop over each column name
before finding them. But I couldn't really evaluate the impact it could have.
(by default OGR creates these fields as the first ones)
Even
--
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with:
library(spgrass6) ; G <- gmeta6()
#a. readVECT6()
system.time ( random_points <- readVECT6 ( "random_points_100" , plugin
= FALSE ) )
#b. plugin=TRUE
system.time ( random_points <- readVECT6 ( "random_points_100" , plugin
= TRUE ) )
#c. as a csv table
# adjust as requir
On Wed, 27 May 2009, Roger Bivand wrote:
On Tue, 26 May 2009, Nikos Alexandris wrote:
(Cc to Even Roualt ; Apologies to Even since he is not subscribed in the
list)
Roger:
Three minutes instead of thirty+ suggests that the OGR
plugin has trouble with SQLite as the DB format. So maybe
the
nfo/grass-stats
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Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: roger.biv...@nhh.no
On Wed, 27 May 2009, Roger Bivand wrote:
On Wed, 27 May 2009, Hamish wrote:
Roger wrote:
Next script in R generating increasing NR and NC cases through
writeVECT6() to test plugin=FALSE/plugin=TRUE ratios?
Does R have any built in profiling tools? as grass is just a collection
of small C
/wun09/wun_grass.swf
for an example of starting Windows Native GRASS with an absolute path.
Note that the R_LIBS environment variable may also need setting.
Hope this helps,
Roger
Could you please tell me what's wrong?
Thanks!
stef
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hr [1:2] "min" "max"
..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots
.. .. ..@ projargs: chr " +proj=tmerc +lat_0=0 +lon_0=19 +k=0.9993
+x_0=50 +y_0=-530 +no_defs +a=6378137 +rf=298.257222101
+towgs84=0.000,0.000,"| __truncated_
uot; "max"
..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots
.. .. ..@ projargs: chr " +proj=tmerc +lat_0=0 +lon_0=19 +k=0.9993
+x_0=50 +y_0=-530 +no_defs +a=6378137 +rf=298.257222101
+towgs84=0.000,0.000,"| __truncated__
___
On Sat, 20 Jun 2009, Jarek Jasiewicz wrote:
Roger Bivand pisze:
On Fri, 19 Jun 2009, Jarosław Jasiewicz wrote:
Hi
Another gstat error:
var.krigged=krige(z~x+y,gr,grid,model=var.fitted)
[using universal kriging]
"chfactor.c", line 130: singular matrix in function LDLfactor(
ntsDataFrame"
attributes(sitesR)
$bbox
...
$proj4string
...
$coords
...
$data
site value catx y
1Ai 81.80 1 825094.9 6796083
2 Al 38.50 2 758780.4 6851508
3 Ar 103.50 3 818973.3 6796125
4 Av 52.50 4 775136.0 6877271
...
-
not until. I still suspect that
this is to do with the colnames of the coordinates, (x, y) in one case and
(coords1, coords2) or some such in the other.
Please do study the gstat help pages and the examples, they will help, but
you are jumping to far too many conclusions.
Roger
Mathieu
20
imply try to set up a gstat()
object for trend surface and predict from it:
g_tr1a <- gstat("tr1a", ~ 1, d, degree=1)
pr_tr1a <- predict(g_tr1a, mask_SG)
Once that (untried) works, go further, not until. I still suspect that this
is to do with the colnames of the coordinates, (x, y
#x27;t, others have got similar answers - the specific stumbling block
is that variogram() and degree= in gstat don't play well together, for
good reasons.
Roger
Best regards.
Mathieu
2009/6/29 Roger Bivand
On Mon, 29 Jun 2009, mathieu grelier wrote:
ok
First I think everyone here
work around is to write a function recalculating the grid points
from the information provided within the SGDF. However if anyone is aware of
a easier method of how to extract x and y values from a SGDF I would be very
interested.
Many thanks in advance
Johannes
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rass6 but no luck.
It's the first time I see this message. I also tried to do some
debugging but R requires, I guess, special treatment (meaning other than
gdb, etc.) !?
Nikos
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e type: wkbPoint with 2 dimensions
I have used update.packages() and should have the latest sp* packages.
I tried to debug the problem but failed...
Can anyone confirm this problem?
thanks
Markus
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On Fri, 14 Aug 2009, Markus Neteler wrote:
On Fri, Aug 14, 2009 at 11:40 AM, Roger Bivand wrote:
On Fri, 14 Aug 2009, Markus Neteler wrote:
I have some troubles when the vector map name contains the
@mapset part:
This is a consequence of the plugin only searching in the current user&#
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Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
On Mon, 17 Aug 2009, Markus Neteler wrote:
On Mon, Aug 17, 2009 at 9:33 AM, Roger Bivand wrote:
On Sun, 16 Aug 2009, Markus Neteler wrote:
Hi,
I am plotting elevation against temperature and have the problem that
including all points leads to heavy slow graphs... Reducing the raster
Is this a bug in the interface description of v.mkgrid? It needs
grid=rows,columns but sets multiple=NO, so wxpython fails (needing two
values but getting one, but only providing an integer entry box).
Roger
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Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School
quot;multiple = NO" argument...
I'm afraid I can't go further...
Best regards
Alex
-Original Message-
From: Markus Neteler
To: roger.biv...@nhh.no
Date: Tue, 01 Sep 2009 22:22:49 +0200
Subject: Re: [GRASS-stats] Re: [R-sig-Geo] GRASS commands (fwd)
2009/9/1 Roger Biva
On Thu, 3 Sep 2009, alexandre villers wrote:
Dear members,
Roger Bivand advised me to post problems on the R / GRASS interface on this
list.
I was using spgrass6 and R 2.9.2 with win GRASS 6.3.0 without much problems.
I downloaded winGRASS 6.4 and tried to run again old script and the
0x.. spell eacute (\'{e})
in latex, then "fin" from "défine...", the first non-ASCII string in the output
for g.region.
The fix is to insert "latin1" into the header, so I've updated the package to
allow the user to do this from within R
Roger
-
ommand, see a UTF-8
error message, and then try inserting usual suspects with setXMLencoding()
- typically "latin1" - and retry parseGRASS(). Users of
initGRASS() will see the UTF-8 error because parseGRASS("g.region") is run
when the function completes.
Roger
?
Markus
of package 'rgdal' had non-zero exit status
5: In install.packages("spgrass6", type = "source", dependencies = TRUE) :
installation of package 'spgrass6' had non-zero exit status
--
Roger Bivand
Economic Geography Section, Department of Economics, Norwegia
RASS install is broken too
(probably PATH problems) wrt. GDAL.
Roger
Hamish
--
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-
d need to find out from
library(), installed.packages() and .libPaths() where the errant Matrix
is, and use remove.packages() on it, indicating the correct lib=.
Roger
PS. There are more spdep users on R-sig-geo.
Jarek
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Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 5
On Tue, 29 Sep 2009, Tim Holland wrote:
Hamish wrote:
you need to install 'make' which comes with gcc etc. from the
Xcode(?) installer.
Roger Bivand wrote:
I think Tim needs to read the available FAQs on CRAN, and read:
http://r.research.att.com/tools/
giving the r
read http://www.kyngchaos.com/software:frameworks,
and higher up on the GRASS page, it should work. Installing rgdal within
the frameworks is also a possibility, especially if the GRASS install uses
the GDAL framework.
Roger
Best,
Tim
--
Roger Bivand
Economic Geography Section, Department of
atively, use gdal-config within GRASS to find the
the GDAL libs (--libs) and headers (--cflags) strings to pass to the
configure arguments in install.packages() in R outside GRASS. Here rgdal
will fail after installation if the GDAL shared objects are not on the
PATH R can see.
Hope this helps,
Ro
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