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| 02:49.43 | Notify | 03BRL-CAD:starseeker * 64193 brlcad/trunk/src/util/pixsaturate.c: Don't need this with bio.h |
| 03:07.16 | Notify | 03BRL-CAD:starseeker * 64194 (brlcad/trunk/src/libbrep/shape_recognition.cpp brlcad/trunk/src/libbrep/shape_recognition.h and 4 others): Start working on the common sphere case, corner fillets. |
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| 14:22.37 | balder_ | hey! where can I get the demo for online geometry viewer? |
| 14:35.20 | brlcad | hey balder_ |
| 14:36.26 | balder_ | yes! |
| 14:37.28 | brlcad | the code is on github and you can get a tarball here: https://www.google-melange.com/gsoc/project/details/google/gsoc2014/ishwerdas/5657382461898752 |
| 14:38.19 | brlcad | balder_: did you get your other questions answered? |
| 14:40.05 | balder_ | well I have some! |
| 14:40.54 | brlcad | I know you asked several, but you've not stayed on IRC to get a response |
| 14:41.16 | brlcad | if you're going to ask questions here, you should be prepared to stay connected until there is an answer |
| 14:41.29 | brlcad | which can be many hours later due to timezones and such |
| 14:42.02 | balder_ | ok!! Sure!! |
| 14:42.05 | brlcad | I recommend getting a real IRC client and reading the usage etiquette guidelines instead of the freenode web interface |
| 14:42.43 | brlcad | http://brlcad.org/wiki/IRC has a link to an IRC client list |
| 14:43.27 | balder_ | oh sure! Thanks for this advice! I will sure use one! Here's my question : why is there a need for 3d display manager when we have this crossplatform online viewer?? Is this not sufficient? |
| 14:44.29 | brlcad | 1) the online viewer is still in a prototype-stage of development |
| 14:44.56 | brlcad | 2) it's limited to viewing (intentionally, editing is incredibly complicated to get into online) |
| 14:45.16 | brlcad | 3) it will unlikely scale to real production models (that are often 2-20GB in size) |
| 14:45.40 | brlcad | so while not sufficient, it certainly has an entire range of tasks it could handle |
| 14:46.03 | brlcad | and the interface will continue to be expanded and as it mature, we can hone in on productive uses |
| 14:46.10 | brlcad | s/mature/matures/ |
| 14:48.46 | brlcad | make sense? |
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| 14:49.24 | lemur | hey |
| 14:50.00 | balder_ | yes!! |
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| 15:18.41 | *** join/#brlcad balder_ (7d1409f9@gateway/web/freenode/ip.125.20.9.249) |
| 15:19.56 | balder_ | hey! why brlcad is not support interactive 3d rendering? Is this because we are not able to exploit gpu?? |
| 15:20.11 | balder_ | *supporting!! |
| 15:20.36 | brlcad | balder_: that's a complicated topic that involves talking about geometry representation formats |
| 15:20.48 | brlcad | and has nothing to do with being able to exploit gpu |
| 15:21.10 | brlcad | with implicit geometry and csg operations, there is no explicit boundary surface |
| 15:22.02 | brlcad | so one has to evaluate the surface/geometry ... and either evaluate points (e.g., via interactive ray tracing) or via format conversion (e.g., to polygons) |
| 15:22.23 | brlcad | we have experimental versions of both |
| 15:22.52 | brlcad | if you have explicit geometry (e.g., triangle mesh geometry), you can view it interactively now |
| 15:23.17 | balder_ | ok.. |
| 15:23.54 | brlcad | I also answered this question on the mailing list, so I'm guessing you still don't understand? :) |
| 15:26.05 | balder_ | uhh! yeah I got the point that .g files need to be coverted to formats which supports triangle meshes, to make it possible for 3d rendering. (correct me if i am wrong :)) |
| 15:27.00 | brlcad | this is not accurate |
| 15:27.42 | kintel | brlcad: Hey, are you guys doing gsoc this year? |
| 15:28.16 | brlcad | they only need to be converted to triangle meshes if you want to interactively visualize with a method that requires triangle meshes (e.g., OpenGL) |
| 15:28.43 | brlcad | you can ray trace interactively without conversion |
| 15:29.01 | brlcad | kintel: not yet decided but a discussion I wanted to have with you later this week |
| 15:29.25 | kintel | brlcad: Sounds good - |
| 15:29.41 | kintel | brlcad: ..or catch teepee if Iâm not around |
| 15:30.17 | teepee- | has some technical problems though due to the tor gateway being down :( |
| 15:38.11 | brlcad | balder_: the "rtgl" I mentioned is an example of an interactive ray tracing shaded display approach that is in brl-cad now but not production-ready |
| 15:39.38 | brlcad | balder_: adrt is another method (using high-performance triangle ray tracing) used for visualization |
| 15:40.14 | brlcad | balder_: and there are other experimental methods involving conversion to triangles that I mentioned on the mailing list (E, ev, draw -m1) |
| 15:40.27 | balder_ | ok! I need you to tell me more about the approach used in rtgl! |
| 15:40.57 | brlcad | that's an open-ended question |
| 15:41.16 | brlcad | you should research the code reference I gave you and ask a specific question |
| 15:41.38 | brlcad | otherwise, I could talk all day and maybe not provide helpful information, maybe waste both our time |
| 15:42.07 | brlcad | what would you like to know? |
| 15:42.13 | *** join/#brlcad raghuram_ (~raghuram@14.139.82.6) |
| 15:42.29 | raghuram_ | hi |
| 15:42.41 | balder_ | ok! I will get back to you soon ! And seriously thanks for all this stuff!! |
| 15:44.18 | raghuram_ | I'm new. I want to contribute. Can you help me |
| 15:44.26 | brlcad | probably |
| 15:45.20 | raghuram_ | I like to help on stuff related to android. |
| 15:46.07 | brlcad | what kind of help, that's very vague |
| 15:46.30 | brlcad | and how does it pertain to brl-cad? |
| 15:46.49 | raghuram_ | Any bugs to start with. That would be of great help. |
| 15:48.04 | brlcad | we have 142 bugs listed in our BUGS file and many more listed in our Sourceforge tracker, all easily found with a simple web search |
| 15:49.01 | brlcad | you should read http://en.flossmanuals.net/contributors-guide-to-brl-cad/ |
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| 16:30.03 | Notify | 03BRL-CAD:carlmoore * 64195 brlcad/trunk/src/libbrep/shape_recognition_planar.cpp: remove trailing blanks/tabs |
| 16:30.16 | Notify | 03BRL-CAD:carlmoore * 64196 brlcad/trunk/TODO: fix spelling |
| 16:30.29 | Notify | 03BRL-CAD:carlmoore * 64197 brlcad/trunk/doc/docbook/system/man1/en/mged.xml: add 2 commas and a space |
| 16:31.20 | sofat | starseek1r, hello |
| 16:55.31 | Notify | 03BRL-CAD:carlmoore * 64198 (brlcad/trunk/doc/docbook/system/man1/en/mged.xml brlcad/trunk/doc/docbook/system/man1/en/tire.xml): fix punctuation and add 2 missing periods |
| 16:57.55 | Notify | 03BRL-CAD:carlmoore * 64199 brlcad/trunk/src/libbrep/shape_recognition_sphere.cpp: fix spelling |
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| 17:02.37 | Notify | 03BRL-CAD:carlmoore * 64200 (brlcad/trunk/doc/docbook/articles/en/oed.xml brlcad/trunk/doc/docbook/articles/en/tire.xml and 2 others): supply missing period at end of 'a.k.a.', because that last 'a' stands for 'as' |
| 17:05.57 | Notify | 03BRL-CAD:starseeker * 64201 brlcad/trunk/doc/docbook/system/man1/en/gdiff.xml: fix title |
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| 17:08.29 | sofat | starseeker, i found some files in /trunk/doc/burst/ |
| 17:08.57 | sofat | i want to know about the structure of these file |
| 17:09.19 | sofat | like .tbl file what is they represent? |
| 17:16.11 | Stragus | sofat: http://en.wikipedia.org/wiki/Tbl |
| 17:16.26 | Stragus | Probably not something to worry about :) |
| 17:16.40 | sofat | thanks |
| 17:17.33 | Stragus | This Troff stuff has fallen out of use decades ago, as far as I know |
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| 22:13.16 | brlcad | Stragus: troff is still alive and well (it's still the foundation for the man page system) |
| 22:13.56 | brlcad | that document is old, but it does need to get transformed into docbook/xml |
| 22:15.32 | brlcad | it's documentation for our burst tool, which is in active use |
| 22:19.39 | Stragus | Interesting, I stand corrected |
| 22:19.56 | *** join/#brlcad merzo (~merzo@205-52-133-95.pool.ukrtel.net) |
| 22:23.33 | nmz787_i | brlcad: any idea why I was getting a 'magic' error when running g-stl? |
| 22:28.16 | Notify | 03BRL-CAD:carlmoore * 64202 brlcad/trunk/src/util/pixembed.c: try fixing pixembed.c ; also, notice that the previous version had yin-border_inset and I couldn't find it defined |
| 22:35.18 | brlcad | nmz787_i: are you running trunk sources? |
| 22:36.37 | nmz787_i | i tried that, I believe |
| 22:36.50 | nmz787_i | 7.25.0 is what my dev build had in the dir name |
| 22:37.00 | brlcad | okay, that should be a checkout |
| 22:37.01 | Notify | 03BRL-CAD:starseeker * 64203 brlcad/trunk/src/libbrep/shape_recognition_sphere.cpp: Find the 2d center point of the loop. |
| 22:37.31 | nmz787_i | I thought I pulled and recompiled after I got the bug the first time, but I can try again tonight |
| 22:37.54 | brlcad | what's the complete error? it should tell you exactly what is wrong |
| 22:38.38 | nmz787_i | http://paste.pound-python.org/show/WMJU7pu2gADrnxMqdCit/ |
| 22:38.48 | nmz787_i | after running this 2-command tcl script http://paste.pound-python.org/show/fZ1b52wd43S9ocBeQEXx/ |
| 22:39.51 | nmz787_i | well I guess including setting the title and units it is 4 commands |
| 22:54.48 | brlcad | nice! |
| 22:55.28 | brlcad | how are you counting four? I see two (in hilbert... and r hilbert...) |
| 22:56.20 | brlcad | the crash log is perfect, that's actually a graceful abort because unexpected data was encountered (possibly a code bug), and it includes the exact line numbers to inspect, so I can check |
| 22:57.24 | nmz787_i | cool |
| 22:57.50 | nmz787_i | I actually was just working on porting the hilbert example in python-brlcad to my new project python-brlcad-tcl :P |
| 22:58.17 | nmz787_i | I got the 3d-hilbert script to convert to use my backend pretty easily |
| 22:58.18 | nmz787_i | https://github.com/nmz787/python-brlcad-tcl/blob/master/examples/hilbert_3d.py |
| 22:58.27 | nmz787_i | https://github.com/nmz787/python-brlcad-tcl/blob/master/examples/output/hilbert_3d.tcl |
| 22:58.46 | nmz787_i | the .g and the .stl are next to the .tcl in the repo too |
| 22:59.03 | nmz787_i | so I haven't actually done any of the hard mathy work at all :) |
| 23:02.35 | brlcad | what does your g-stl line look like? (it worked here) |
| 23:04.20 | nmz787_i | g-stl -o filename.stl database.g whatevertheregionis.r |
| 23:04.31 | brlcad | yeah, that's what I did |
| 23:04.34 | brlcad | hrm |
| 23:04.35 | nmz787_i | or possibly: |
| 23:04.36 | nmz787_i | g-stl -o filename.stl -a 0.1 database.g whatevertheregionis.r |
| 23:04.43 | brlcad | ah, let me try that |
| 23:05.19 | brlcad | hm, nope |
| 23:05.29 | brlcad | 2156 triangles written |
| 23:05.30 | nmz787_i | it crashed or no errors? |
| 23:05.32 | nmz787_i | huh |
| 23:05.48 | nmz787_i | hrmm |
| 23:06.16 | brlcad | heh, even 0.001 worked... 71420 triangles written |
| 23:06.33 | nmz787_i | for the pastebin tcl right, not the 3d one on my github? |
| 23:06.50 | brlcad | ah, no I used the github one |
| 23:06.53 | nmz787_i | ooh |
| 23:06.57 | nmz787_i | yeah that one works |
| 23:07.02 | brlcad | k, checking |
| 23:07.26 | nmz787_i | the 2d version (pastebin) works in mged's display |
| 23:07.42 | nmz787_i | and I can even click raytrace there and get a solid looking render |
| 23:19.52 | *** join/#brlcad Konrado (~Konrado@41.244.243.88) |
| 23:21.13 | brlcad | woot, reproduced |
| 23:21.31 | brlcad | http://brlcad.org/~sean/tmp/hil.png I recognize that :) |
| 23:24.56 | *** join/#brlcad konrado (~root@41.244.243.88) |
| 23:25.12 | konrado | brlcad: hello |
| 23:25.23 | nmz787_i | brlcad: cool, so you got the STL error? |
| 23:29.12 | brlcad | nmz787_i: I got to the bomb |
| 23:29.19 | brlcad | konrado: hola |
| 23:29.54 | brlcad | some bug in rt_pipe_tess |
| 23:31.12 | konrado | with the vrml-g convertion ? |
| 23:39.58 | nmz787_i | konrado: I think he's referring to the bug I came across, when generating an STL |
| 23:42.13 | konrado | nmz787_i: Ok |
| 23:44.04 | brlcad | konrado: sorry, was responding to nmz787_i ... your vrml work is looking good |
| 23:44.25 | brlcad | what's next / missing from the converter? anything? |
| 23:46.17 | konrado | Yes support for extrution node, indexedpointset , proto IS keyword and also colorpervertex |
| 23:46.33 | brlcad | cool! |
| 23:46.48 | brlcad | we do have extrusions and point clouds |
| 23:47.10 | brlcad | per vertex coloring is going to be tricky (but something we want/need too) |
| 23:48.48 | konrado | where do i find code on extrusion and point cloud within brlcad source |
| 23:49.20 | brlcad | src/librt/primitives has all entity types, include/rtgeom.h has most of their declarations |
| 23:49.40 | brlcad | the converter would likely use the wdb interface (include/wdb.h) |
| 23:51.17 | brlcad | there's not a wdb interface for pnts, but you can see how to create them low-level in src/libged/make_pnts.c |
| 23:52.34 | brlcad | there is mk_extrusion() for extrudes |
| 23:55.01 | konrado | I would continue updating the code a soon as I am done with my exams which begins next week |
| 23:56.52 | konrado | Did you see the support I added, for color with RGB representation ? |
