IRC log for #brlcad on 20130702

00:09.50 starseeker um - if you're trying to get the latest you can just do "svn update"
00:12.13 zero_level starseeker. i recently did a fresh checkout after installing a new OS(ubuntu) and it got me revision 55208. Although earlier i was working on the latest revision.
00:12.43 zero_level and when i try to update it says it says At revision 55208
00:14.20 starseeker zero_level: sounds like you're using the old web address
00:16.25 starseeker svn checkout https://svn.code.sf.net/p/brlcad/code/brlcad/trunk brlcad
00:17.02 starseeker is that what you did?
00:47.46 zero_level stareseeker true..
00:49.09 Notify 03BRL-CAD Wiki:Level zero * 5570 /wiki/Building_from_SVN: /* Adding New Address*/
00:49.53 zero_level starseeker forgot that discussion about new link. Added new link to the wiki page
01:55.16 ``Erik https://github.com/eholk/harlan lisp for gpu programming (via opencl), neat
02:43.29 Notify 03BRL-CAD:phoenixyjll * 55921 brlcad/trunk/src/libbrep/intersect.cpp: m_b may not be increasing, we need an interval approach. And update m_A, m_B, m_b after merging.
02:44.23 zero_level hi ``Erik ,brlcad
02:44.51 zero_level <PROTECTED>
02:44.54 zero_level <PROTECTED>
06:46.15 *** join/#brlcad d_rossberg (~rossberg@66-118-151-70.static.sagonet.net)
07:23.41 *** join/#brlcad PrezKennedy (~DarkCalf@173.231.40.99)
07:49.20 Notify 03BRL-CAD:phoenixyjll * 55922 brlcad/trunk/src/libbrep/test_curve_intersect.cpp: Add tests for curve-surface intersections.
07:51.58 Notify 03BRL-CAD:phoenixyjll * 55923 brlcad/trunk/src/libbrep/test_curve_intersect.cpp: Forget to uncomment the first test.
07:55.50 Notify 03BRL-CAD:phoenixyjll * 55924 brlcad/trunk/src/libbrep/test_curve_intersect.cpp: Rename variables to avoid shadowing.
08:05.45 Notify 03BRL-CAD:phoenixyjll * 55925 brlcad/trunk/src/libbrep/intersect.cpp: We need to check the endpoints of the line segment when computing its intersection with a boundaried plane. And consider NaN, and add fabs() when calculating the line_t.
08:30.32 *** join/#brlcad caen23 (~caen23@92.85.81.114)
08:37.07 Notify 03BRL-CAD Wiki:Phoenix * 5571 /wiki/User:Phoenix/GSoc2013/Reports: /* Week 3 */
08:50.47 Notify 03BRL-CAD:phoenixyjll * 55926 brlcad/trunk/src/libged/brep.c: should be "CS" (curve-surface), not "PC"
08:55.46 Notify 03BRL-CAD Wiki:Phoenix * 5572 /wiki/User:Phoenix/GSoc2013/Reports: /* Week 3 */
13:07.09 brlcad zero_level: if it seems like nothing is calling them, try removing them and see what happens
13:07.37 brlcad zero_level: just be sure to test
13:08.15 *** join/#brlcad yiyus (1242712427@212.224.65.219)
13:08.17 brlcad if it's not used, go ahead and remove them (that's a nice small succinct patch) ... if they are used, you will gain greater understanding on how they're being used
13:30.09 *** join/#brlcad cstirk (~quassel@96.255.19.39)
14:14.44 Notify 03BRL-CAD:carlmoore * 55927 (brlcad/trunk/src/libdm/dm-qt.cpp brlcad/trunk/src/mged/dm-qt.c): remove trailing blanks/tabs
14:15.41 *** join/#brlcad Izak_ (29cac5e1@gateway/web/freenode/ip.41.202.197.225)
14:22.43 Izak_ How can I combine related edits of different files into one single patch?
14:36.03 zero_level ``Erik do we need to test the allocation via bu_malloc. I believe its the internal structure of bu_malloc which takes care of the test.
14:38.12 brlcad zero_level: what do you mean?
14:38.22 brlcad what allocation?
14:39.08 brlcad you said "I dont see bif being used in the file" .. I said "okay, try removing it"
14:50.13 *** join/#brlcad kesha_ (~kesha@49.249.200.78)
14:56.43 brlcad hi kesha_
14:58.48 brlcad can someone else confirm this bug for me? seems to be an infinite loop in the ray tracing: http://brlcad.org/tmp/brlcad_logo.g
14:58.59 brlcad rt brlcad_logo.g logo.c
15:00.47 brlcad it's due to setting shadow rays > 1
15:01.08 ``Erik seems to jam up in rt_booleval with a BU_PTBL_FOR, src/librt/bool.c:1386
15:01.49 ``Erik zero_level: you're right, a failed malloc() in bu_malloc() calls a bu_bomb(), so the return value doesn't have to be checked... my bad
15:03.52 zero_level brlcad : that was related to a commnet on one of my patch
15:04.04 zero_level ``Erik thanks
15:04.11 ``Erik hm, scratch that on the booleval, it just seems very busy there :/
15:04.37 brlcad yeah, i was seeing that ptbl loop too
15:05.37 brlcad it's not as simple as shadow rays > 1, at least I created a simple test case and no problems
15:05.47 ``Erik huh, it seems to be hitting the shader and continuing on
15:06.10 brlcad so lending more credence to the shadow rays maybe not dealing with the multiply referenced paths or something
15:07.09 kesha_ Hi brlcad
15:15.13 ``Erik is lsp->lt_pt_count not being updated in sh_light.c's light_gen_sample_points ~531 ?
15:45.33 brlcad bug present all the way back to r40000 so at least not anything newly introduced
15:46.59 brlcad r30000 so at least it's either nothing new or unrelated to sh_light.c
15:55.15 ``Erik when generating light point samples, it keeps shorting out on sh_light.c:380 and not actually adding any, so it never acculumates the # it needs
16:06.35 brlcad confirmed that this seems to be just an undiscovered/unencountered bug, checked all the way back to 2004 open sourcing
16:11.43 Notify 03BRL-CAD:brlcad * 55928 brlcad/trunk/include/shadework.h: note this is s cycle
16:13.55 ``Erik http://brlcad.org/~erik/tmp/crap.pix is a run where a green pixel is painted at the beginning of the for loop in sh_light.c light_gen_sample_pts_hit() and a red one if it gets past the "if (pp->pt_regionp != lsp->lt_rp) continue;" line
16:14.38 ``Erik something doesn't get set or gets mangled where it stops seeing those...
16:18.35 Notify 03BRL-CAD:tbrowder2 * 55929 (brlcad/trunk/TODO.shaded_displays =================================================================== and 125 others): save Sean's shaded display road map until a better location is found
16:19.21 brlcad ``Erik: er what's the dimensions on that pix file?
16:19.47 brlcad heh, nice parse fail there
16:20.08 ``Erik uh, irrelevant? :D I was just blasting pixels out into stderr and redirecting into a file until I ^C'd it
16:20.27 brlcad ah
16:20.41 brlcad didn't know if the speckled red made any pattern
16:21.23 ``Erik I think the only relevant pattern is that there are some, and then there are not
16:30.26 brlcad logo image I'm using for the release announcement: http://brlcad.org/tmp/archer_logo.png
16:50.02 Notify 03BRL-CAD:erikgreenwald * 55930 (brlcad/trunk/include/icv.h brlcad/trunk/src/libicv/fileformat.c): patch 197 from zero_level
16:50.58 Notify 03BRL-CAD:erikgreenwald * 55931 brlcad/trunk/src/libicv/fileformat.c: fix indentation
16:52.39 Notify 03BRL-CAD:carlmoore * 55932 brlcad/trunk/src/fb/rle-fb.c: remove old h; furnish help via h,?; initialize (to 0) three variables which are set to 1 by options
16:57.27 Notify 03BRL-CAD:carlmoore * 55933 brlcad/trunk/doc/docbook/system/man1/en/rle-fb.xml: rle-fb new man page, because I removed the 'h' option
16:59.51 *** join/#brlcad kesha_ (~kesha@49.248.244.95)
17:03.03 *** join/#brlcad harmanpreet (~chatzilla@124.253.151.66)
17:05.55 Notify 03BRL-CAD:carlmoore * 55934 brlcad/trunk/src/fbed/fbed.c: I noticed that rle-fb was referenced from within fbed.c , so after I removed old h option from rle-fb, I went to fbed.c and implemented -s 1024
17:06.28 brlcad (unless someone can come up with something better in the next hour or so)
17:11.35 Notify 03BRL-CAD Wiki:Tbrowder * 5573 /wiki/Main_page: /* Tutorials */
17:13.03 Notify 03BRL-CAD Wiki:Tbrowder * 5574 /wiki/Main_page: /* Tutorials */
17:30.15 Notify 03BRL-CAD:carlmoore * 55935 brlcad/trunk/doc/docbook/system/man1/en/bw-ps.xml: new man page for bw-ps
17:57.02 ``Erik Immuteability: The property of functional programmers that prevents them from shutting up about pure functional programming.
17:58.48 brlcad heh
18:10.40 Notify 03BRL-CAD:carlmoore * 55936 brlcad/trunk/doc/docbook/system/man1/en/bwscale.xml: new man page for bwscale
18:20.33 Notify 03BRL-CAD:carlmoore * 55937 brlcad/trunk/doc/docbook/system/man1/en/bwshrink.xml: new man page for bwshrink
18:36.28 Notify 03BRL-CAD:carlmoore * 55938 (brlcad/trunk/doc/docbook/system/man1/en/fbpoint.xml brlcad/trunk/src/fb/fbpoint.c): implement run-with-no-arguments (h,? already work); initialize width,height as 512, not as 0
18:37.40 *** join/#brlcad kesha_ (~kesha@49.248.244.95)
18:51.00 Notify 03BRL-CAD Wiki:Sean * 0 /wiki/File:Archer_logo.png: Screenshot of the BRL-CAD logo being edited in Alpha Archer/MGED, release 7.24.0.
19:07.27 Notify 03BRL-CAD:starseeker * 55939 (brlcad/trunk/include/brep.h brlcad/trunk/src/libbrep/opennurbs_ext.cpp): Use a queue to re-use arrays rather than always mallocing and freeing
19:13.25 *** join/#brlcad kesha_ (~kesha@49.248.244.95)
19:13.49 Notify 03BRL-CAD:starseeker * 55940 brlcad/trunk/src/libicv/fileformat.c: Presume this is bif->fd and not just fd?
19:34.31 *** join/#brlcad kesha_ (~kesha@49.248.244.95)
19:56.48 starseeker confound it - the split function refuses to work when I supply my own destination surfaces
20:31.12 *** join/#brlcad mpictor (~mark@2601:d:b280:9:d63d:7eff:fe2d:2505)
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20:57.25 Notify 03BRL-CAD Wiki:Izakkayems * 5576 /wiki/User:Izak/GSOC_2013_logs: /* From July 1st to July 6th */
21:51.10 Notify 03BRL-CAD Wiki:Level zero * 5577 /wiki/User:Level_zero/GSOC13/logs: /* WEEK 3 */
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