Re: [GRASS-user] r.sunmask cast shadow question

2014-01-04 Thread Tim Michelsen
Am 04.01.2014 15:12, schrieb Vaclav Petras: > > > > On Sat, Jan 4, 2014 at 6:17 AM, Tim Michelsen > mailto:timmichel...@gmx-topmail.de>> wrote: > > Am 02.01.2014 23:13, schrieb Markus Neteler: > > You may consider r.sun as well in order to compute cas

Re: [GRASS-user] r.sunmask cast shadow question

2014-01-04 Thread Tim Michelsen
Am 02.01.2014 23:13, schrieb Markus Neteler: > You may consider r.sun as well in order to compute cast shadow. I > played around with it recently, see > http://courses.neteler.org/will-the-sun-shine-on-us/ Thanks for sharing this. >Perhaps r.sun.hourly should get an additional flag to generate the

Re: [GRASS-user] GRASS Android apps

2013-11-13 Thread Tim Michelsen
> Calibre seems good for going from HTML to ePub and Mobi, and probably > PDF too. PDF->eBook is apparently not a pretty thing. HTML actually > seems the preferred starting format, so we should be able to make progress > quickly. > http://calibre-ebook.com/ > > At first I thought about a single

Re: [GRASS-user] G7-gui and G64 add-on problems on Xubuntu (installation from grass/ubuntugis ppa)

2013-10-14 Thread Tim Michelsen
Dear all, I am receiving quite some of these mails on the LP packages for both version 6.x & 7.x. There are even less constructive messages like: "your PPA is broken. just let you know. fix it" As noted in an earlier email: http://thread.gmane.org/gmane.comp.gis.grass.user/46947 I currently canno

[GRASS-user] concatenating/combining two table fields for multi-field join

2013-08-05 Thread Tim Michelsen
Hello, would like to make a table join based on two fields. So suppose I have to create a new temporary join field (joinkey). I have the fields area (C2) and value (D2), per one area these do not repeat. So in Excel I did for preparing the source table for the other values: =(C2 & D2) How can I

Re: [GRASS-user] Possible to switch off permissions check of mapsets?

2013-07-31 Thread Tim Michelsen
>> ERROR: MAPSET PERMANENT - permission denied >> >> Any solution to this would be much appreciated. > > In any of the current SVN versions, setting the environment variable > GRASS_SKIP_MAPSET_OWNER_CHECK to any non-empty string will suppress > the check. Yes, but what for the people who wanna re

Re: [GRASS-user] Possible to switch off permissions check of mapsets?

2013-07-31 Thread Tim Michelsen
Am 31.07.2013 18:44, schrieb Michel Wortmann: > And straight on to another question: > Is there a way of switching of the permissions check when opening a > mapset? It prevents me from opening mapsets that are mounted on > different filesystems as the grass installation. E.g. if I try to open a > m

Re: [GRASS-user] Fill area between isolines?

2013-07-10 Thread Tim Michelsen
hello Marcus and others, just wanna give feedback and say thanks: > > How can I create an area that fills the area between these lines and to > > which the same value as the last adjacent line is attached (all points > > from one line to the other have the same cost factor)? > > You could try to

[GRASS-user] raster legend on discrete maps not graduated

2013-07-09 Thread Tim Michelsen
Hello, I reclassified a continous integer value raster into discrete classes. But when adding a raster legend to the map, it still shows a continued, map with a colour gradient. This is not true as the raster map values have true and hard class breaks. How can I get aroudn this limitation of the

Re: [GRASS-user] Ubuntu Packages for Addons [was: Re: Fwd: Re: ppa for grass 7 Ubuntu Quantal]

2013-04-26 Thread Tim Michelsen
>> Below a suggestion for the packaging structure: >> regarding addon packaging. We can create packages like >> grassaddons(full addons) >> grassaddons-imgagery >> grassaddons-vector >> grassaddons-raster >> grasssaddons-general I question when looking at : http://trac.osgeo.org/grass/browser/grass

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-26 Thread Tim Michelsen
>> No, just this one: >> python: can't open file >> '/usr/lib/grass/etc/gui/wxpython/gis_set.py': >> [Errno 2] No such file or directory >> Received EXIT message from GUI. > > that should be /usr/lib/grass70/etc/ not /grass/? > Did the version number extract part of the build "rules" script > work

Re: [GRASS-user] Instructions on how to compile a grass module in a Linux server (DEBIAN)

2013-04-26 Thread Tim Michelsen
> Thank you Stephen > I guess my System manager used GRASS-binary packages which it means that > do not support this. Ask him to install the package grass-dev ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinf

[GRASS-user] Ubuntu Packages for Addons [was: Re: Fwd: Re: ppa for grass 7 Ubuntu Quantal]

2013-04-25 Thread Tim Michelsen
Dear community of GRASS users, is there a need for having packages for the GRASS addons? Please give feedback by: (+1 / 0 / -1) And of saying yes (+1), would you voluteer in heping with packaing and maintaining the daily builds of the PPA? Please give feedback by: (+1 / 0 / -1) > Below a sugge

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-25 Thread Tim Michelsen
> your grass7.0 also gives error in g.version right?. I think it might be > a bug in grass which need to be fixed. No, just this one: python: can't open file '/usr/lib/grass/etc/gui/wxpython/gis_set.py': [Errno 2] No such file or directory Received EXIT message from GUI. _

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-24 Thread Tim Michelsen
Am 24.04.2013 23:21, schrieb Markus Neteler: > On Wed, Apr 24, 2013 at 11:15 PM, Tim Michelsen > wrote: > ... >> I get for grass (6.4.x): >> >> 3D view mode: /usr/lib/grass64/lib/libgrass_ogsf.6.4.3svn.so: symbol >> TIFFSetField, version GDAL_1.8 not defined in fi

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-24 Thread Tim Michelsen
>> * sometimes, there are changes in upstream (in the day to >> day coding) that do not correspond anymore with the package >> snapshot taken a a certain point. Thus, you need to disable >> some patches. If not, you would need to create new patches on >> nearly daily basis. > > you are right, the

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-24 Thread Tim Michelsen
> could you please test latest build of grass70 package for quantal? > > startup error seems to be gone but install extension has some issues > related to g.version script I get for grass70: Hit RETURN to continue Starting GRASS GIS... python: can't open file '/usr/lib/grass/etc/gui/wxpython/gis_s

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-22 Thread Tim Michelsen
Hello all, nice that this discussion becomes lively now! > the first thing that should happen is that the control files > should be updated to pull from the latest from the DebianGIS > git repository. I respect and recognise the work done there. 2 points where this is not always possible: * your

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-04-22 Thread Tim Michelsen
/code.launchpad.net/~grass/grass/grass70_release_debian change and upload again. If you do not want to wait for LP builds, use pbuilder locally to test your changes. Feel free to ask if you have more questions! Kind regards, Timmie > > > > On Sat, Mar 30, 2013 at 6:03 PM, Tim Michelsen

[GRASS-user] Help needed for package building for GRASS!

2013-04-15 Thread Tim Michelsen
Dear GRASS users and developers on Ubuntu, It seems [1, 2] that there is high demand for up-to-date packages of both grass stable (6.4.x) and development code (7.0.x) for Ubuntu. So we have put an overview on the situation on the wiki: http://grasswiki.osgeo.org/wiki/Ubuntu_Packaging Esp

Re: [GRASS-user] GRASS 6.4 How to extract point-values from multiple rasters

2013-04-07 Thread Tim Michelsen
>> r.what [1] just prints out. >> > Isn't the right tool v.sample [2]? > r.what extracts values from one or more raster maps at locations given > by coordinates. > > v.what.rast uploads raster values at positions of vector points to the table. But why is there v.sample if all other commands have s

Re: [GRASS-user] GRASS 6.4 How to extract point-values from multiple rasters

2013-04-06 Thread Tim Michelsen
>>> I have to extract isolated value from several raster. Interestingly. Yesterday I had the same task to solve: have a vector with some sampling points and wanting to insert values from 2 raster layers to the table. >> The GRASS module r.what [0] extracts raster values at a >> given location. As

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-03-30 Thread Tim Michelsen
OK, I did it. Stable (grass6.4.X) Packages are in the grass-stable PPA: https://code.launchpad.net/~grass/+archive/grass-stable This includes Ubuntu 12.10 & 13.04! So let's try to run the recipe daily without errors: https://code.launchpad.net/~grass/+recipe/grass64 If you want to see how I mod

[GRASS-user] Raster classification by typical methods?

2013-03-29 Thread Tim Michelsen
Hello user list, I have a question concerning raster works: classifying in by typical methods How can I create a reclassified raster from another raster with continuous values where the classification follows the following rules * equal steps (a class break every 100 or 50 [mg/m^2]) * equal inter

[GRASS-user] line buffering: many equal lines and table entry

2013-03-29 Thread Tim Michelsen
Hello user list, I have a question concerning equal distant buffer lines I struggle in creating equal distant buffer lines for a central reference line (e.g. a river): E.g. say I have a river and would like to generate lines and as well areas of 10, 30, 50m distance to that river in order to atta

[GRASS-user] Fill area between isolines?

2013-03-29 Thread Tim Michelsen
Hello user list, I have a question filling the area between isolines by the values of the isolines (without interpolation): I have a vector with isolines of which the values define certain properties of the area (e.g. cost factor). How can I create an area that fills the area between these lines

Re: [GRASS-user] Fwd: Re: ppa for grass 7 Ubuntu Quantal

2013-03-27 Thread Tim Michelsen
>> yes. there is. unbuntugis-testing PPA > > I found ubuntugis-testig, but it only goes up to precise - I am looking for > quantal. > > Don't worry for now - I just compiled GRASS. What about contributing to the automatic development builds -- once yours works? Just push your changes to: https:

Re: [GRASS-user] status of launchpad Ubuntu builds [WAS: Re: how to install GRASS binaries of weekly snapshot on ubuntu12.04?]

2012-10-28 Thread Tim Michelsen
> I was having the same error in openSUSE OBS about gui/wxpython and it is > now fixed in svn (branch_64). OK, I requested a build. let's see. > I see that there is a direct mirror from subversion to bazaar in LP. All code is here: https://code.launchpad.net/~grass > This should trigger a build

[GRASS-user] status of launchpad Ubuntu builds [WAS: Re: how to install GRASS binaries of weekly snapshot on ubuntu12.04?]

2012-10-28 Thread Tim Michelsen
> Sidenote: I really hope that one day Ubuntu launchpad will deliver > GRASS binaries... Since all code is well imported from SVN to LP: https://code.launchpad.net/~grass/grass/releasebranch_6_4 It is /*only/* an issue of updating the debian files: https://code.launchpad.net/~grass/grass/grass64_

[GRASS-user] Re: Installing GRASS 6.4.2 on Ubuntu

2012-03-26 Thread Tim Michelsen
Am 25.03.2012 18:58, schrieb John Ortiz: > I'm trying to install GRASS 6.4.2 on Ubuntu. However when I launch GRASS it > says it is version 6.4.1. Any ideas what I'm doing wrong? > You are right, the only reason is that grass 6.4.2 still are not available in Ubuntu repositories.. In this mo

[GRASS-user] Re: shaded relief

2012-03-10 Thread Tim Michelsen
is there a good tutorial or blog post somewhere that could guide me through the creation of a shaded relief (aero-imagery over DEM)? OK, I found more in the records of the ML: r.sunmask (position) and r.shaded.relief http://thread.gmane.org/gmane.comp.gis.grass.user/42653/focus=42669 Also nice

[GRASS-user] Re: r.sunmask (position) and r.shaded.relief

2012-03-10 Thread Tim Michelsen
note that r.sun output maps can be used to good effect with the d.shadedmap module to make a "more-correct" version of a typical r.shaded.relief image. e.g. http://bambi.otago.ac.nz/hamish/grass/screenshots/deep_cove_rsun.jpg Wow, stunning. How was it generated? ps- debian has a site set up w

[GRASS-user] Re: Grass 6.4.2 on Ubuntu 11.10

2012-02-27 Thread Tim Michelsen
is it known when Ubuntu and GRASS repos will be updated? I'm interested in a debian repo providing GRASS 6.4.2 could you please try the packages here: https://launchpad.net/~grass/+archive/grass-stable ___ grass-user mailing list grass-user@lists.o

[GRASS-user] Re: i.pr --> g.extension and compiling error on ubuntu 11.10 64 bit

2012-02-04 Thread Tim Michelsen
Am 31.01.2012 00:05, schrieb Markus Neteler: On Mon, Jan 30, 2012 at 11:16 PM, Gabriele N. wrote: Ciao. I have installed GRASS (6.4.1) from the repository and I can not install i.pr (add-on). With g.extension unfortunately 6.4.1 is too old in a sense that on Ubuntu problems are known. Th

[GRASS-user] analysing regional hydrology potential

2012-01-18 Thread Tim Michelsen
Hello, I would like to use GRASS for analysis regional potential for hydrology applications like run-off / small scale hydro power. So from a DEM I would create watersheds. But then I am still unaware of which tools and methodology to use. Is there a article or publication that detailes on s

[GRASS-user] shaded relief

2012-01-18 Thread Tim Michelsen
Hello, is there a good tutorial or blog post somewhere that could guide me through the creation of a shaded relief (aero-imagery over DEM)? What are the recommended export settings for creating a GeoTIFF from such a composition? Thanks in advance, Timmie

[GRASS-user] setting initial region boundaries / info from spatialreference.org

2012-01-10 Thread Tim Michelsen
Hello, for my projects I often have to create several locations: 1 in wgs84 lat/lon for importing data, another for the actual target projection (e.g. ETRS89)). One thing I always would like to have is the option to configure region extend and resolution setting by the projection default valu

[GRASS-user] Re: Grass on Ubuntu 11.04

2011-08-06 Thread Tim Michelsen
> I'd like to install Grass on my Ubuntu 11.04. > Could someone tell me if the "Generic weekly snapshot" of Grass works > fine with this Ubuntu release? daily builds: https://launchpad.net/~grass/+archive/grass-stable Please enable UbuntuGIS PPA before. ___

[GRASS-user] Re: Problem installing GRASS 6.4.1 on Ubuntu 11.x

2011-06-21 Thread Tim Michelsen
maybe youd like to try these packages: https://launchpad.net/~grass/+archive/grass-stable Upon source change automatically built from GRASS source based on debian packaging: https://code.launchpad.net/~grass/+recipe/grass64 ___ grass-user mailing lis

[GRASS-user] Scripting Python from inside GRASS

2011-05-28 Thread Tim Michelsen
Hello, reading http://grass.osgeo.org/wiki/GRASS_and_Python I may still ask: * is there a IPython-enhanced Python scripting console withing GRASS? * What is the preferrred way to script grass from Python? * Do I need to be inside GRASS shell to script in order to have all environment parameters se

[GRASS-user] Show Labels in legend

2010-10-28 Thread Tim Michelsen
Hello, working with the GRASS wxGUI map display I added a legend for a raster layer to my map. How do I need to modify the legend in order to display the labels of the raster in the legend? Thanks, Timmie ___ grass-user mailing list grass-user@lists.os

[GRASS-user] Menu Mapping of commands in wxGUI

2010-10-27 Thread Tim Michelsen
Hello, there was nice PDF file created by Hamish that shows which grass command (module) is mapped to which menu in the wxGUI. I cannot find it on the following doc pages: * http://grass.osgeo.org/grass64/manuals/html64_user/index.html * http://grass.osgeo.org/grass64/manuals/html64_user/wxGUI.htm

[GRASS-user] Re: First time trying to install add on g.extension (r.stream.order)

2010-09-25 Thread Tim Michelsen
> note g.extension is rather new and untested compared the rest of > the software, especially on Windows. Besides svn for building C > modules, you will need a C compiler which doesn't ship with the > GRASS installer. What about a automtaci build process on the server? Then the users would download

[GRASS-user] Re: NetCDF Data in GRASS?

2010-09-09 Thread Tim Michelsen
> I think there were (and believe still are) problems with gdal when > configured for both hdf and netcdf formats - I believe you cant have > both which (if still true) is too bad, because lots of climate related > data come in both of these 2 formats. To my opinion QGIS or GRASS should have a simi

[GRASS-user] question on extensions

2010-02-15 Thread Tim Michelsen
Dear all, the GRASS addons are a wonderful resource for scripts. My questions here: 1) How do I install on Windows a) source addons that need to be compiled b) scripts that are written with bash or python 2) If I create a SVN checkout somewhere on my computer and add the checkout directory t

[GRASS-user] Re: error with r.pack addon

2010-02-15 Thread Tim Michelsen
> > ./r.pack > > sh: r.pack: not found > > is the script somewhere in the $PATH? no. I executed it from the directory where it is stored within. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Re: g.extension with local SVN checkout

2010-02-15 Thread Tim Michelsen
Hello, > > is it possible to use g.extension with a local SVN checkout of the > > online repository at https://svn.osgeo.org/grass/grass-addons > > ? > > yes, see the svnurl= option. well, I set it to the directory where I checked out the addons from the SVN repository but it didn't work. ___

[GRASS-user] error with r.pack addon

2010-02-14 Thread Tim Michelsen
Hello, running the r.pack addon I got the follwoing error: GRASS 6.5.svn (Spearfish60):/usr/local/src/grass-addons/raster/r.pack > ./r.pack sh: r.pack: not found Traceback (most recent call last): File "/usr/local/grass-6.5.svn/etc/wxpython/gui_modules/menuform.py", line 1891, in GrassGUIAp

[GRASS-user] g.extension with local SVN checkout

2010-02-14 Thread Tim Michelsen
Hello, is it possible to use g.extension with a local SVN checkout of the online repository at https://svn.osgeo.org/grass/grass-addons ? This could be convenient when working disconnected to the net. Alternatively, this program could also support other VCS tools such as Bazaar or Git. What do y

[GRASS-user] Re: cutting issue (again): r.mapcalc vs. r.resample

2010-01-26 Thread Tim Michelsen
> front-end, LyX, to be much quicker and more productive than writing > LaTeX in > emacs. So I'm not totally averse to using the pointy-thingie when it's > demonstrably more productive. :-) The same applies to the new GRASS GUI. It's awesome and once you get acustomated pretty useful. You may wanna

[GRASS-user] [Solved] Re: cutting issue (again): r.mapcalc vs. r.resample

2010-01-25 Thread Tim Michelsen
> I while ago I asked how to cut a small map from a larger one using the > region settings as boundary for the small map: > http://n2.nabble.com/r-mapcalc-changes-color-table-td4072836.html#a4072836 > > I tried this again: > > Approach 1: r.mapcalc > > r.mapcalc "cut=if(boundary_rast

[GRASS-user] Re: cutting issue (again): r.mapcalc vs. r.resample

2010-01-25 Thread Tim Michelsen
> I tried this again: > > Approach 1: r.mapcalc > > r.mapcalc "cut=if(boundary_raster, large_map, > null())" > > Approach 2: r.resample > > r.resample input=large_map output=cut > > I notice the that using Approach 2, the areas that was outside the set > region is white. The

[GRASS-user] cutting issue (again): r.mapcalc vs. r.resample

2010-01-25 Thread Tim Michelsen
Hello, I while ago I asked how to cut a small map from a larger one using the region settings as boundary for the small map: http://n2.nabble.com/r-mapcalc-changes-color-table-td4072836.html#a4072836 I tried this again: Approach 1: r.mapcalc r.mapcalc "cut=if(boundary_raster, lar

[GRASS-user] Re: i.sunhours

2010-01-25 Thread Tim Michelsen
> I guess > > doy = day of year I thought the same. But the doc is strange: doy=name Name of the doy input map ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] i.sunhours

2010-01-25 Thread Tim Michelsen
Hello, what do the inputs for i.sunshine in GRASS7 mean? i.sunhours doy=name lat=name Thanks in advance, Timmie ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Re: Uploading bounding box of vectors to database?

2010-01-06 Thread Tim Michelsen
> MAP=your_map_name > > v.db.addcol $MAP column="north DOUBLE PRECISION, \ > south DOUBLE PRECISION, east DOUBLE PRECISION, west DOUBLE PRECISION" > > eval `v.info -g $MAP` > > echo "UPDATE $MAP SET north = $north, south = $south, \ > east = $east, west = $west" | db.execute With the latest

[GRASS-user] Show / Print current mapset

2009-12-09 Thread Tim Michelsen
Hello, which command line and GUI options do I have to get the current mapset? I am looking for a command that tells me the mapset selected when eneting GRASS. g.mapsets shows with its "-p" option all mapsets in the search path and g.mapset shows all in open locations. Could these two commands be

[GRASS-user] Re: grass70 and display monitor

2009-12-08 Thread Tim Michelsen
> map selector (problem here, my MODIS LST time series have 5 * 1460 maps per > mapset, that would be 7300 maps to scroll through!), then accept it > and have it > listed in the map list. Still I don't see it because the "Render" > button isn't activated > by default... (see my other poll a

[GRASS-user] Re: r.mapcalc changes color table

2009-11-27 Thread Tim Michelsen
First, thanks to all who responded. I will try and apply that later. >>> 6) use r.mapcalc to cut: r.mapcalc "cut=if(boundary_raster, large_map, >>> null())" >> >> Replace step 6 with: >> >> g.copy rast=boundary_raster,MASK >> r.resample input=large_map output=cut >> g.remove rast=MASK

[GRASS-user] r.mapcalc changes color table

2009-11-26 Thread Tim Michelsen
Dear Grass Users, I have a large georeferenced digital map. I successfully imported it into GRASS. Now I would like to "cut" only a small rectangle -- my investigation area -- out of this large map. I used the following approach: 1) import the TIFF 2) select the part of interest in the GRASS mo

[GRASS-user] grass course materials on windows

2009-09-30 Thread Tim Michelsen
Dear grass users, recently someone posted a link to some course materials for courses held with the windows version. I canot find the link anymore. May someone indicate me any material focusing on the GRASS windows installations? I would like to forward it to a group of new users that are not us

[GRASS-user] Re: About NASA SSE Data

2009-09-21 Thread Tim Michelsen
> -Monthly Averaged Clear Sky Insolation Clearness Index By its name -- without having read the description -- I would recommond this one. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Re: user/group permissions for accessing data on mounted drive

2009-08-17 Thread Tim Michelsen
What is the best way to handle this? Use a filesystem which was designed for a multi-user OS. It could, but that replaces one problem (using FAT filesystems on Unix) with another (users accidentally trashing other users' mapsets). See the following use case: A desktop/notebook used by a gro

[GRASS-user] Re: user/group permissions for accessing data on mounted drive

2009-08-16 Thread Tim Michelsen
Hello, thanks a lot for the answer (on the weekend) ;-) You must be the owner of the directory selected as the current mapset. A FAT/VFAT partition mounted by root must be mounted with the uid= option to set the owner. OK. I was able to get access using the right uid in fstab. But let's say th

[GRASS-user] user/group permissions for accessing data on mounted drive

2009-08-15 Thread Tim Michelsen
Hello, I have a question on the requirements GRASS has towards user/group permissions on linux: My data is stored on a vfat partition mounted by a Ubuntu Linux. The corresponding entry in the mount configuration file (/etc/fstab) goes: UUID=44FC-A7FD /media/daten vfat defaults,utf8,gid=46,fma

[GRASS-user] Re: link to datasets from other locations?

2009-07-05 Thread Tim Michelsen
Nikos Alexandris: Tim M: Then v.proj should support: * -r flag for importing only the current region extend Read also discussion at trac [1] * -ship_project flag if source & target locations have the same projection, can also be detected automatically. Read my post (and bug-ticket) about

[GRASS-user] Re: r.proj's "use different location" error while working in different dbases

2009-07-05 Thread Tim Michelsen
We don't currently have any way to check whether two projections are identical, and this isn't a trivial question. E.g.: Interesting. Why does it say "data set and location projection appear to match" when importing a file into GRASS? ___ grass-user ma

[GRASS-user] Re: link to datasets from other locations?

2009-07-05 Thread Tim Michelsen
By file system based copying? Yes. If you are sure the projections of the locations are the same, move the entire mapset over. I am still not 100% sure why data from mapsets in different locations with the same projection cannot be re-used in other locations. Why there are no g.mapset.move, g.m

[GRASS-user] Re: [GRASS GIS] #668: export and share region settings

2009-07-05 Thread Tim Michelsen
I think you mix up the purpose of location and mapsets- what you ask for is exactly what mapsets are & do. It seemed to. And yes, this may come from experiences with other GIS programs, too. Note that not only ArcGIS works this way but also QGIS or gvSIG, for instance. Throw together data from

[GRASS-user] Re: link to datasets from other locations?

2009-07-04 Thread Tim Michelsen
add the mapset as a symlink to the mapset in the other location, then use the @othermapset notation. As GRASS is aim to support Windows, this is not an option ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listi

[GRASS-user] Re: [GRASS GIS] #668: export and share region settings

2009-07-04 Thread Tim Michelsen
I don't understand what you want to do here. Image the following use case: You have project location. Then you would like to test out some new processing workflows or developed a new methodology. In order not to pollute the project location with a lot of test rasters, you start a new location to

[GRASS-user] Re: link to datasets from other locations?

2009-07-04 Thread Tim Michelsen
Maybe I am misunderstanding the concept of mapsets. And that the develpers meat mapsets to provide this kind of functionality. I read the basic explanation at: http://grass.osgeo.org/wiki/Gis_Concepts#How_a_GRASS_project_is_organized So for testing new data or methods, I definately should use a

[GRASS-user] Re: link to datasets from other locations?

2009-07-04 Thread Tim Michelsen
add the mapset as a symlink to the mapset in the other location, then use the @othermapset notation. As GRASS is aim to support Windows, this is not an option ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/list

[GRASS-user] Re: link to datasets from other locations?

2009-07-04 Thread Tim Michelsen
moving from one location to another location (which usually is/should be of another projection) is "safely" done with v.proj. Why use another command for that? Then v.proj should support: * -r flag for importing only the current region extend * -ship_project flag if source & target locations have

[GRASS-user] Re: [GRASS GIS] #668: export and share region settings

2009-07-04 Thread Tim Michelsen
I don't understand what you want to do here. Image the following use case: You have project location. Then you would like to test out some new processing workflows or developed a new methodology. In order not to pollute the project location with a lot of test rasters, you start a new location to

[GRASS-user] Re: link to datasets from other locations?

2009-07-04 Thread Tim Michelsen
moving from one location to another location (which usually is/should be of another projection) is "safely" done with v.proj. Why use another command for that? Then v.proj should support: * -r flag for importing only the current region extend * -ship_project flag if source & target locations have

[GRASS-user] Re: link to datasets from other locations?

2009-07-04 Thread Tim Michelsen
What about a command that lets users safely move a vector from one locagion into the other? as above. this is on purpose to protect distinct map projections. please see my use case where a locations serves global datasets for other smaller locations. Or the one with a test / "development" locati

[GRASS-user] Re: #668: export and share region settings

2009-07-04 Thread Tim Michelsen
[straying more than slightly off-topic] If you are a fan of the structured/sanitized approach to data management you might enjoy the LyX word(document)-processor. It's a WYSIWYM frontend to the LaTeX typesetting language, and to use the vernacular- it rocks. For writing manuscripts there is little

[GRASS-user] Re: link to datasets from other locations?

2009-07-02 Thread Tim Michelsen
Sorry, Hamish already gave an answer to that in his first reply: << add the mapset as a symlink to the mapset in the other location, then use the @othermapset notation. BTW, how do you do this on a Windows computer? ___ grass-user mailing list grass-u

[GRASS-user] Re: link to datasets from other locations?

2009-07-01 Thread Tim Michelsen
So sharing data between locations is not really supported? Not at all supported. (except for v.proj, r.proj, i.rectify) What about a command that lets users safely move a vector from one locagion into the other? Even if I just want to add the layer to the map view? if you want to mix thin

[GRASS-user] link to datasets from other locations?

2009-06-30 Thread Tim Michelsen
Hello grass users, There exist v.external and r.external to link to data which hasn't been imported into GRASS. But in order to save time and disk space I would like to link to data sets from other locations: How do I link to a raster and vector data in another location presuming it has th

[GRASS-user] Re: Grass osgeo4w does not like python(x,y)

2009-06-26 Thread Tim Michelsen
Hello Daniel, I am not alone anymore! I replaced the the pywintypes25.dll in c:/windows/system32 with the one that came with OSGeo4W. Now everything (Grass wxpython and python(x,y)) is working swell, AFAICT. Please update your experience and findings to: http://trac.osgeo.org/grass/ticket/570

[GRASS-user] Re: Landsat classification workflow

2009-06-24 Thread Tim Michelsen
and I've taken a stab at outlining the image processing steps (ortho-photos, not Landsat, but the concepts are the same) http://my.arava.co.il/~micha/blog/?p=3 I really like your write-up! Got me started with classification. Here is another one: Impervious surface deliniation with GRASS - http

[GRASS-user] Re: v.out.ogr & kml

2009-06-24 Thread Tim Michelsen
> Actually,I have reproject the map-I create a new location with the latitude (epsg 4326),then use r.proj commond to reproject the map,however when I display the map I found there is a very serious distortion,the exported kml is also So I have give up the idea. I am talking about vectors. S

[GRASS-user] Re: Subtraction of raster maps

2009-06-24 Thread Tim Michelsen
> > r.mapcalc "newmap = landcover - buildings" > > if I understand right this might work for you, if everything that is not a > building in your 'buildings' map is no data (null): > > r.mapcalc "newmap = if(isnull(buildings),landcover,null())" > > > The outcome is a map showing only the building

[GRASS-user] Re: v.out.ogr & kml

2009-06-24 Thread Tim Michelsen
> > encountered the same problem,actually you should reproject > > your map by yourself if you are using a earlier > > version.In the later version it can reproject > > autoly. > > i.e. a bug in GDAL/OGR got fixed so you need a newish version of > that. So this means that using gdal/ogr >= version

[GRASS-user] v.out.ogr & kml

2009-06-23 Thread Tim Michelsen
Hello, when exporting from a projected system to KML, is a reprojection into WGS84 included? in the manual there is: v.out.ogr input=random3d_hull dsn=random3d_hull.kml format=KML \ type=face dsco="AltitudeMode=absolute" Let's say I use the EPSG:2965 projection. in my works. Exporting to KML

[GRASS-user] Re: zoom to point

2009-06-23 Thread Tim Michelsen
wxGUI: "Go to" in Map display statusbar? GRASS >= 6.5. do you refer to https://svn.osgeo.org/grass/grass/branches/develbranch_6/? ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] problem creating point layer from CSV file

2009-06-23 Thread Tim Michelsen
Hello, I tried to create a point vector from a table with coordinates: db.in.ogr dsn=points_in.csv output=points key=myid v.in.db --overwrite table=points x=UTM_E y=UTM_N key=myid output=points_vect => ERROR: x/y/z column must be integer or double Why do I get this error? How to I change the tab

[GRASS-user] zoom to point

2009-06-23 Thread Tim Michelsen
Hello, How do I zoom to a certain point (e.g. -3, 35) in the GRASS map window? Kind regards, Timmie ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] v.proj failed

2009-06-17 Thread Tim Michelsen
Hello, I am trying to reproject a vector from latlon/wgs84 to a UTM/projected location The program aborts with the message: v.proj: split_q.c:69: RTreeClassify: Assertion `!p->taken[i]' failed. What does this mean? How can I get around this? I run this comand Ubuntu 9.04, 64svn. Thanks for

[GRASS-user] Re: GIS Manager map properties (wxpython)

2009-06-17 Thread Tim Michelsen
> > Are the GUI program files byte-compiled into *.pyc files > > during install? > > not sure what happens in the installer, but if not that should happen > automatically the first time you run it, assuming you have write > permissions in the install directory. > > fwiw using the rc5 native wingr

[GRASS-user] Re: GIS Manager map properties (wxpython)

2009-06-16 Thread Tim Michelsen
By the way, I just started using the WxPython interface for good and I got to say it's great. The only drawback is that it's slower than the tcltk interface. But that is probably due to my very weak and old laptop (1Ghz Transmeta Crusoe processor) I noticed that also. I use a Intel multi-core 2x1

[GRASS-user] Re: New WinGrass Release (6.4.0RC5)

2009-06-16 Thread Tim Michelsen
icons) but the wxpython GUI still does not include vector digitizing (wxvdigit) or 3d visualization (wxnviz). the last time I ended up in the hell of mixing libraries built using mingw (GRASS) and msvs (wxpython). Currently I have no time for this kind of "fun". If somebody put on wiki instructio

[GRASS-user] Re: wiki page for compiling on Ubuntu

2009-06-15 Thread Tim Michelsen
BTW, where do I report errors with the UbuntuGIS PPA packages? Here are more infos: http://lists.osgeo.org/pipermail/ubuntu/2009-May/16.html ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Re: wiki page for compiling on Ubuntu

2009-06-15 Thread Tim Michelsen
I guess here http://lists.osgeo.org/mailman/listinfo/ubuntu I put it here: https://bugs.launchpad.net/ubuntu/+source/geos/+bug/387299 What to do under the current situation if libgeos does not work: 1) open synaptic 2) search for geos 3) select the package libgeos-c1 4) menu package -> force v

[GRASS-user] Re: r.in.external in GUI

2009-06-13 Thread Tim Michelsen
isn't it r.external instead of r.in.external? yes, you are right. however, just yesterday we put it in the QGIS gui, nice coincidence. I read your post on the other list and it reminded me of the command. Will you build a new Ubuntu package soon? And I was also running out of disk space... Any

[GRASS-user] r.in.external in GUI

2009-06-13 Thread Tim Michelsen
Hello, I cannot find r.in.external in the wxPython based GUI: http://grass.itc.it/grass64/manuals/html64_user/r.external.html Would it be possible to add support for * r.in.external for a single layer * r.in.external for multiple layers in the same way as it is provided with r.in.gdal? The sam

[GRASS-user] wiki page for compiling on Ubuntu

2009-06-13 Thread Tim Michelsen
Dear all, I started a wiki page on compiling on Ubuntu including the changes I needed on recent versions: http://grass.osgeo.org/wiki/Compile_and_Install_Ubuntu Please feel free to add your observations. Kind regards, Timmie ___ grass-user mailing l

[GRASS-user] Re: correcting a series of images for wrong bounding box (extend)

2009-04-29 Thread Tim Michelsen
My current idea is to play with the bounding box (extend) definitions when defining the projection of the location and then import-/reimport. IS there a option in GRASS to shift a raster by a vector (x, y)? I found such a tool in the ArcMap Toolbox. Regards, Timmie ___

  1   2   >