I tried it just right now to see the strahler ordering and.. it works greatly! well done Jarek..:-) I think I'm going to read the code because I've got to understand how did you solved the problem of cleaning topology.. congratulations! great work!!!
Annalisa 2009/7/28 stephen sefick <ssef...@gmail.com> > It works fine on my machine. Mac OS X, compilied addon and compilied > GRASS from scratch. The strahler output also looks sensable. I do > have a question, though. Say I have my own delineated streams with > another method, but in raster format- will this still work? And is > there an easy way to a vector out of a raster stream network? > > Stephen Sefick > > On Tue, Jul 28, 2009 at 4:32 AM, Margherita Di Leo<direg...@gmail.com> > wrote: > > Hi Jarek, > > I downloaded and compiled r.stream without problems but i'm afraid it > does > > not work: > > > > r.stream dir=drain...@ex_20 stream=bas...@ex_20 strahler=strahler > > shreeve=shreve class=class > > > > dirs, 3 > > streams, 4 > > Reading maps... > > *** glibc detected *** r.stream: corrupted double-linked list: > > 0x000000000067c2c0 *** > > ======= Backtrace: ========= > > /lib/libc.so.6[0x7f77dfb86322] > > /lib/libc.so.6(cfree+0x8c)[0x7f77dfb89c1c] > > r.stream(createMaps+0x353)[0x401df3] > > r.stream(main+0x1c1)[0x402011] > > /lib/libc.so.6(__libc_start_main+0xf4)[0x7f77dfb301c4] > > r.stream[0x401619] > > ======= Memory map: ======== > > 00400000-00404000 r-xp 00000000 08:03 5955752 > > /usr/local/grass-6.5.svn/bin/r.stream > > 00603000-00604000 rw-p 00003000 08:03 5955752 > > /usr/local/grass-6.5.svn/bin/r.stream > > 00604000-41e9f000 rw-p 00604000 00:00 0 [heap] > > 7f77d8000000-7f77d8021000 rw-p 7f77d8000000 00:00 0 > > 7f77d8021000-7f77dc000000 ---p 7f77d8021000 00:00 0 > > 7f77df700000-7f77df70d000 r-xp 00000000 08:03 4071544 /lib/libgcc_s.so.1 > > 7f77df70d000-7f77df90d000 ---p 0000d000 08:03 4071544 /lib/libgcc_s.so.1 > > 7f77df90d000-7f77df90e000 rw-p 0000d000 08:03 4071544 /lib/libgcc_s.so.1 > > 7f77df90e000-7f77df910000 r-xp 00000000 08:03 6677083 /lib/libdl-2.7.so > > 7f77df910000-7f77dfb10000 ---p 00002000 08:03 6677083 /lib/libdl-2.7.so > > 7f77dfb10000-7f77dfb12000 rw-p 00002000 08:03 6677083 /lib/libdl-2.7.so > > 7f77dfb12000-7f77dfc6a000 r-xp 00000000 08:03 6677080 /lib/libc-2.7.so > > 7f77dfc6a000-7f77dfe6a000 ---p 00158000 08:03 6677080 /lib/libc-2.7.so > > 7f77dfe6a000-7f77dfe6d000 r--p 00158000 08:03 6677080 /lib/libc-2.7.so > > 7f77dfe6d000-7f77dfe6f000 rw-p 0015b000 08:03 6677080 /lib/libc-2.7.so > > 7f77dfe6f000-7f77dfe74000 rw-p 7f77dfe6f000 00:00 0 > > 7f77dfe74000-7f77dfef4000 r-xp 00000000 08:03 6677084 /lib/libm-2.7.so > > 7f77dfef4000-7f77e00f3000 ---p 00080000 08:03 6677084 /lib/libm-2.7.so > > 7f77e00f3000-7f77e00f5000 rw-p 0007f000 08:03 6677084 /lib/libm-2.7.so > > 7f77e00f5000-7f77e010b000 r-xp 00000000 08:03 6490242 > > /usr/lib/libz.so.1.2.3.3 > > 7f77e010b000-7f77e030b000 ---p 00016000 08:03 6490242 > > /usr/lib/libz.so.1.2.3.3 > > 7f77e030b000-7f77e030c000 rw-p 00016000 08:03 6490242 > > /usr/lib/libz.so.1.2.3.3 > > 7f77e030c000-7f77e0314000 r-xp 00000000 08:03 984193 > > /usr/local/grass-6.5.svn/lib/libgrass_datetime.6.5.svn.so > > 7f77e0314000-7f77e0513000 ---p 00008000 08:03 984193 > > /usr/local/grass-6.5.svn/lib/libgrass_datetime.6.5.svn.so > > 7f77e0513000-7f77e0514000 rw-p 00007000 08:03 984193 > > /usr/local/grass-6.5.svn/lib/libgrass_datetime.6.5.svn.so > > 7f77e0514000-7f77e0567000 r-xp 00000000 08:03 984236 > > /usr/local/grass-6.5.svn/lib/libgrass_gis.6.5.svn.so > > 7f77e0567000-7f77e0766000 ---p 00053000 08:03 984236 > > /usr/local/grass-6.5.svn/lib/libgrass_gis.6.5.svn.so > > 7f77e0766000-7f77e0769000 rw-p 00052000 08:03 984236 > > /usr/local/grass-6.5.svn/lib/libgrass_gis.6.5.svn.so > > 7f77e0769000-7f77e0770000 rw-p 7f77e0769000 00:00 0 > > 7f77e0770000-7f77e078d000 r-xp 00000000 08:03 6676548 /lib/ld-2.7.so > > 7f77e0926000-7f77e0965000 r--p 00000000 08:03 6521179 > > /usr/lib/locale/en_GB.utf8/LC_CTYPE > > 7f77e0965000-7f77e0969000 rw-p 7f77e0965000 00:00 0 > > 7f77e0982000-7f77e0983000 r--p 00000000 08:03 6521188 > > /usr/lib/locale/en_GB.utf8/LC_MESSAGES/SYS_LC_MESSAGES > > 7f77e0983000-7f77e098a000 r--s 00000000 08:03 6496774 > > /usr/lib/gconv/gconv-modules.cache > > 7f77e098a000-7f77e098d000 rw-p 7f77e098a000 00:00 0 > > 7f77e098d000-7f77e098f000 rw-p 0001d000 08:03 6676548 /lib/ld-2.7.so > > 7fffe8979000-7fffe898e000 rw-p 7ffffffea000 00:00 0 [stack] > > 7fffe89fe000-7fffe8a00000 r-xp 7fffe89fe000 00:00 0 [vdso] > > ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] > > Aborted > > > > > >>>> Hi list! > >>>> > >>>> I just finish first version of new grass module r.stream. Module is > >>>> regular > >>>> Grass module, written in C an has no addational dependencies. It was > >>>> compiled with GRASS65 devel downloaded in last two week. Source code > >>>> you > >>>> can find here: > >>>> > >>>> http://heretic.livenet.pl/heretic/r.stream.tar.gz > >>>> > >>>> Module compiles and seems to work. Analysis was tested only on one > >>>> dataset. > >>>> > >>>> To compile it copy r.streams directory to your grassXX../raster/ cd > >>>> r.stream run make and make install > >>>> > >>>> What module calculate: > >>>> - strahler stream order > >>>> - shreeve stream magnitude > >>>> - class of topological elements of drainage networks > >>>> > >>>> Module use r.watershed outputs: SDF flow direction and SDF stream > >>>> network. > >>>> > >>>> > >>>> Analysis of r.stream shall be run on same regions setings as > >>>> r.watershed. If > >>>> no, run g.region rast=your_dir_file first. For now module do not check > >>>> if > >>>> region and rasters are identical. It is planned to add in nearest > >>>> feature. > >>>> It also do not check if dirs and streams are SDF result. Threre are no > >>>> addational description. It will be added after testing. > >>>> > >>>> It works only on cells data. Floating points data are not allowed (and > >>>> have > >>>> no sense). > >>>> > >>>> Module is quite fast. 3000 x3000 cells all three analysis runs no more > >>>> than > >>>> 30 s. on AMD 3800 2GB, Ubuntu 8.04 > >>>> > >>>> Module is part of comprehensive project which will add full Horton > >>>> analysis > >>>> and some addational terrrains analysis to Grass. More details in the > >>>> feature. Any cooperation is welcome. The next module I plan is > >>>> directional > >>>> vectorisation of stream network. > >>>> > >>>> For now module is available only form web address pointed below. After > >>>> testing and removing critical errors it will be added to grass add-ons > >>>> (or > >>>> maybe to main branch?). > >>>> > >>>> Any coments, improvements and critics is very welcome. > >>>> > >>>> More advanced Grass developers: Please check my code. Its funny, but I > >>>> don't > >>>> know C. > >>>> General code is based on GRASS r.topindex module (by Keith Beven and > >>>> Huidae > >>>> Cho, strongly modified) > >>>> Strahler stream order algorithm from Saga GIS (by Victor Olaya, > >>>> modified) > >>>> Shreeve stream magnitude and class of topological network are my own > >>>> ideas > >>>> > >>>> Test and enjoy. > >>>> > >>>> Jarek Jasiewicz > >>>> Adam Mickiewicz University, Poznan > >>>> Geoecology and Geoinformation Institute > >>>> _______________________________________________ > >>>> grass-user mailing list > >>>> grass-user@lists.osgeo.org > >>>> http://lists.osgeo.org/mailman/listinfo/grass-user > >>>> > >>>> > > > > -- > > Eng. Margherita Di Leo > > Ph.D. Student Methods and Technologies for Environmental Monitoring > > Department of Environmental Engineering and Physics (DIFA) > > > > University of Basilicata Campus Macchia Romana > > 85100 - Potenza Italy > > > > Office: +39-0971205363 > > Fax: +39-0971205160 > > E-mail: dileomargherita AT gmail DOT com > > Skype: dileomargherita > > URL: > > > http://www.difa.unibas.it/A_Manager_PP.do?azione=visualizzaHomePage&id=106 > > > > > > > > > > > > _______________________________________________ > > grass-user mailing list > > grass-user@lists.osgeo.org > > http://lists.osgeo.org/mailman/listinfo/grass-user > > > > > > -- > Stephen Sefick > > Let's not spend our time and resources thinking about things that are > so little or so large that all they really do for us is puff us up and > make us feel like gods. We are mammals, and have not exhausted the > annoying little problems of being mammals. > > -K. Mullis > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user >
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