Re: [GRASS-user] Any Gentoo/Funtoo grass-gis users?
Hi, I'm a Gentoo user, and don't remember something specific about GRASS installation ... You can either use the standard install with latest stable ebuild (6.4.2), or follow the standard compilation procedure ( http://grasswiki.osgeo.org/wiki/Compile_and_Install#Generic_Compilation_and_installation_procedure ) On my system, I installed both the official grass gentoo ebuild + 6.4.3_rc3 and 7 from svn. I put them in /opt/grass-xx I join a small script I wrote to get an automated update. You just need to install all dependencies, uncomment the first line for the first launch + to make a new '/opt/grass7' directory ... it's basically just a collection of commands for the standard compilation procedure and is not system dependant ... cheers, Sylvain 2013/7/6 Nikos Alexandris n...@nikosalexandris.net Hi! I recently had the luck to be able to obtain a new system. I am doing various trials (speak OSes) on it to make the switch from K-Ubuntu to something that will be more fun to work with. I've tried Scientific Linux 6 which I find nice, clean, but I dislike the old KDE (4.3). I can't live without KDE's Kontact goodies. Also, myself being a specialist in messing up normal running systems, I managed to quickly mix up some of the repositories that don't go well along ;-p. I didn't read the signs I guess... I am running currently on openSUSE 12.3 which offers a fantastic installation experience and appears to me to be very stable, even with latest KDE 4.10. Indeed, the experience was brought with the least of tweaking actions I needed to do so far, among various Linux distros I have tried (K-Ubuntu, Slax, Fedora once, Gentoo once, Debian some years ago). I think, anyhow, that zypper (the cli package manager) isn't that good as apt-get (yes, apt-get has some functionalities which make life easy when hunting dependencies for example -- me thinks at least). The third on the row is Funtoo. I managed to install quickly the base following the official tutorial, had to fight a bit to install Xorg (since I didn't understand quite some stuff), wait hours for KDE to emerge. Yet, it feels it's worth the time spent! It seems that portage is quite an advanced tool and offers everything and even more (?) apt-get has to offer. It'll take some time I guess till I gain a good understanding of the advantages and how to use'm properly. But it feels like once set-up, you never look back. Herewith, I kindly ask you to share your experiences on-list. In particular, are there Gentoo/Funtoo users out there who regularly build grass_trunk and the rest? GRASS-Wiki looks empty in this direction. Also, relates in a way, there is this http://wiki.osgeo.org/wiki/GIS_workstation_setup_tips page which deserves an update since Technology advances rapidly into new areas. Best, Nikos ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user build_7.sh Description: Bourne shell script ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Any Gentoo/Funtoo grass-gis users?
Sylvain Maillard wrote: Hi, Hi Sylvain, I'm a Gentoo user, and don't remember something specific about GRASS installation ... Nice :-). I do fail however to emerge grass :-(. But, anyway, it is 6.4.2 so I don't really need it. Maybe check the logs another day to see what's mising. If you have more Gentoo-tips (reg. OSGeo stuff) and the time to share, please, do so :D You can either use the standard install with latest stable ebuild (6.4.2), or follow the standard compilation procedure (http://grasswiki.osgeo.org/wiki/Compile_and_Install#Generic_Compilation_an d_installation_procedure) Yes, everything works fine after I mounted the partition I am workin on sans noexec. It was either the auto or the user option in fstab. Don't know which why does hurt here. On my system, I installed both the official grass gentoo ebuild + 6.4.3_rc3 and 7 from svn. I put them in /opt/grass-xx As others do, I don't isntall too, I do run from inside the bin. directory. I join a small script I wrote to get an automated update. You just need to install all dependencies, uncomment the first line for the first launch + to make a new '/opt/grass7' directory Something minor: I think the --enable-64it doesn't hurt but isn't required in grass7_trunk. In addition, there is no --with-python option in grass7_trunk: ./configure -- help | grep py returns nothing. It does exist in grass6: /osgeo/src/grass64_release $ ./configure --help | grep py --with-python[=path/python-config] (python-config with path, e.g. '--with-python=/usr/bin/python2.5-config' I bombed in this error while trying to configure grass7_trunk. I had to eselect python list and then set to python 2.7 by executing sudo eselect python set 1. ... it's basically just a collection of commands for the standard compilation procedure and is not system dependant ... I have a very similar script (with info stolen from the ML), copy-pasted below just for the records. Maybe I should direct some info in the wiki -- it would certainly help me, for example, if I have seen some info in the wiki. Thank you, Nikos --- # clean time make distclean # update time svn up # taken from http://lists.osgeo.org/pipermail/grass-user/2013-May/068229.html renice +17 -p $$ # configure CFLAGS=-ggdb -march=native -Wall -Werror-implicit-function-declaration \ ./configure \ --with-cxx \ --with-proj \ --with-geos \ --with-motif \ --with-cairo \ --with-opengl-libs=/usr/include/GL \ --with-wxwidgets \ --with-freetype=yes --with-freetype-includes=/usr/include/freetype2/ \ --with-odbc=yes \ --with-mysql=yes --with-mysql-includes=/usr/include/mysql --with-mysql- libs=/usr/lib/mysql \ --with-sqlite=yes \ --with-postgres=yes --with-postgresql=yes --with-postgres- includes=/usr/lib64/postgresql \ --with-opencl --with-openmp --with-pthread \ --with-readline \ --with-nls \ --enable-largefile=yes \ --with-netcdf \ 21 | tee config_log.txt # make time make -j13 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Any Gentoo/Funtoo grass-gis users?
Sylvain Maillard wrote: .. I join a small script I wrote to get an automated update. You just need to install all dependencies, uncomment the first line for the first launch + to make a new '/opt/grass7' directory As well, --with-tcltk \ does not exist in/for grass7_trunk. I will try to merge yours and mine script, will post here. Thanks, N ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Any Gentoo/Funtoo grass-gis users?
On Sunday 07 of July 2013 15:10:25 Nikos Alexandris wrote: Sylvain Maillard wrote: .. I join a small script I wrote to get an automated update. You just need to install all dependencies, uncomment the first line for the first launch + to make a new '/opt/grass7' directory As well, --with-tcltk \ does not exist in/for grass7_trunk. I will try to merge yours and mine script, will post here. So, I merged some of your isntructions and modified a the configuration as follows (just for completeness, let's say, althoug many stuff get auto-detected and there is no need to specify them): CFLAGS=-ggdb -march=native -Wall -Werror-implicit-function-declaration \ ./configure \ --with-cxx \ --with-includes=/usr/include/ --with-libs=/usr/lib64/ \ --with-proj \ --with-proj-includes=/usr/include/ \ --with-proj-libs=/usr/lib64/ \ --with-proj-share=/usr/share/proj/ \ --with-geos \ --with-geos=/usr/bin/geos-config \ --with-gdal=/usr/bin/gdal-config \ --with-x \ --with-motif \ --with-cairo \ --with-opengl-libs=/usr/include/GL \ --without-ffmpeg \ --with-python=yes --with-python=/usr/bin/python2.7-config \ --with-wxwidgets \ --with-freetype=yes --with-freetype-includes=/usr/include/freetype2/ \ --with-odbc=yes \ --with-mysql=yes --with-mysql-includes=/usr/include/mysql --with-mysql- libs=/usr/lib/mysql \ --with-sqlite=yes \ --with-postgres=yes --with-postgresql=yes --with-postgres- includes=/usr/include/postgresql \ --with-opencl --with-openmp --with-pthread \ --with-lapack \ --with-fftw \ --with-readline \ --with-regex \ --with-nls \ --enable-largefile=yes \ --with-jpeg \ --with-tiff \ --with-png \ --with-netcdf \ --without-opendwg \ 21 | tee config_log.txt Best regards, Nikos ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Delete line segments smaller than threshold
I know I've done this before, but I can't for the life of me find the functionality again. I am trying to manage some contours generated from LIDAR. Even with using just last returns I have lots of spurious contours. Before, I was able to delete segments shorter than a given length threshold. But I can't remember how. v.edit allows removal *areas* smaller than certain sizes, and it also removes dangles but not just regular line segments? Any help? Semi-related: LIDAR data from Erie County, NY used to be available for download as bare earth, and even you could specify a contour interval and download that as a shapefile. Can't for the life of me find that either! I think the bare-earth are now in the 1/3 arcsecond NED DEM, downloading that now over my slow DSL; will take a look. Maybe not so many spurious contours if I generate them from 1/3 arcsecond sized data, but we will see. Thanks. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Delete line segments smaller than threshold
Jon wrote: I know I've done this before, but I can't for the life of me find the functionality again. I am trying to manage some contours generated from LIDAR. Even with using just last returns I have lots of spurious contours. Before, I was able to delete segments shorter than a given length threshold. But I can't remember how. v.edit allows removal *areas* smaller than certain sizes, and it also removes dangles but not just regular line segments? try v.build.polylines v.db.addcol a new length column, double precision v.to.db upload the line lengths to the attr column v.extract where the line length is only greater than some threshold. it's not great, but it works to get rid of the small loops. re. the non-greatness about it, if you wish to keep things like the tight contours at a mountain peak or isobars in the eye of a hurricane, but throw away similar-sized loops out on the edges.. how to do that? see also v.generalize, but care must be taken around peaks not to average the lines too much or else they pull together, artificially cusping the feature. somewhere I've got v.generalize terms that try to smooth the tightening rings using v.generalize without moving them inwards much. I don't think the solution was really great though, and was sensitive to the digitization resolution/scale. Semi-related: LIDAR data from Erie County, NY used to be available for download as bare earth, and even you could specify a contour interval and download that as a shapefile. Can't for the life of me find that either! there used to be a NY State wide clearinghouse website for geodata, with all of the DEC data and a bunch of county stuff linked from it. If that's still around maybe a good place to look? regards, Hamish ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
