IRC log for #brlcad on 20150306

00:48.11 Notify 03BRL-CAD Wiki:Starseeker * 7909 /wiki/Convert_MGED_from_Tk_to_Q: fix spelling
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02:30.00 Notify 03BRL-CAD Wiki:Starseeker * 7910 /wiki/Convert_MGED_from_Tk_to_Q: Tweak
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04:50.20 nmz787 ``Erik: !notify pastebin isn't github gist... and no the .tell command is thanks to some IRC bot that keeps a message queue until a given user shows up and sends a message, then the bot sends all the messages in the queue... the idea being that since the user was active they'll see the queued messages
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05:02.35 ignacio Good night
05:06.21 dracarys983 Hi I am Kalpit Thakkar. I looked up the Contribution wiki page and I would like to work on Implementing a primitive volume function.
05:06.54 dracarys983 I have build and compiled BRL-CAD in Eclipse CDT.
05:07.39 dracarys983 Is anyone working on it already?
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05:44.34 sofat dracarys983, which idea?
05:44.50 dracarys983 http://brlcad.org/wiki/Contributor_Quickies#EASY:_Implement_a_primitive_volume_function
05:48.14 sofat Okay go ahead
05:48.35 sofat I think no one working on this.
05:48.58 dracarys983 Okay. Thanks!
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06:49.57 Saurabh_Kumar_bi hi everyone. I am willing to participate in GSOC 2015 and interested in GED Transactions projects. where can I find previous bugs in your project so that I can fix one or two. Moreover where can I find your source code repository? I have checked almost every relevant link. Any help would be highly appreciated. Thank you.
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10:36.59 dracarys983 sofat, All polyhedra in consideration are convex in BRL-CAD primitives?
10:39.39 sofat dracarys983, i am not right person for this question because i am not working on this. I will only provide you help regarding web development work. Sorry :-(
10:40.13 dracarys983 sofat, No problem. That's fine :)
10:44.02 dracarys983 ``Erik, starseeker,
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11:33.23 Notify 03BRL-CAD Wiki:NyahCh3ck20 * 7912 /wiki/User:NyahCh3ck20/Nurbs_Vector_Drawing: GSoc 2015 Proposal
11:43.59 starseeker dracarys983: nmg and bot primitives are general - they may be convex or concave
11:44.07 starseeker arbn primitives must be convex
11:48.41 dracarys983 starseeker, Great! Thank you :)
11:57.03 ``Erik nmz787: ah, mailbox, no, notify doesn't do that (I used to run an eggdrop a long time ago that had an addon for that...)
11:58.02 ``Erik starseeker: are you sure? I thought an arb8 could have a corner pulled 'in' to have a concave intersection
12:12.27 starseeker ``Erik: um. I'd have to double check on arb8
12:12.35 starseeker ``Erik: I was thinking specifically of arbn
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12:18.49 ``Erik kinda weird that arbn wouldn't allow for a "dented" shape
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14:47.56 dracarys983 ``Erik, starseeker, It is written in arbn.c that an arbn is "Arbitrary Regular Polyhedron with an arbitrary number of faces"
14:48.16 dracarys983 If it is convex, there should be just 5 possible solids right?
15:05.49 ``Erik eh?
15:07.35 ``Erik hm, I'm not sure arbn is actually mathematically correct regular polyhedra
15:10.17 ``Erik will let starseeker dig into it *shrug* :)
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15:40.07 dracarys983 ``Erik, starseeker , I'm trying to write a volume function for arbn since morning. I'm stuck :(
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15:42.48 rommy hello, I am getting error while I run make in linux. error is: "/home/gurwinder/brlcad-svn-trunk/include/bsocket.h:44:4: error: #error "The #include for bio.h must come after this header (Windows Sockets portability).""
15:43.21 rommy what is it about, how to get out of it
15:43.23 rommy ?
15:51.42 rommy I found this error is for windows but why it is here on my linux?
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16:56.11 brlcad dracarys983: no, there are an infinite number of solids with an arbn
16:56.49 brlcad with the arb8 there are only five: arb8/arb7/arb6/arb5/arb4
16:57.13 brlcad with the arbn, it's polyhedra with a minimum of 4 faces, but no maximum
16:58.16 brlcad example: arbn with n=24: http://s1.hubimg.com/u/7830660_f520.jpg
16:59.41 brlcad or n=50: http://images1.sw-cdn.net/model/picture/674x501_145512_106176_1338413386.jpg
17:00.55 brlcad the error in that description is that they're regular
17:01.34 dracarys983 brlcad, Oh. Okay, got it. Nice :D
17:02.53 dracarys983 Is finding a planar-faced convex polyhedron's volume possible in polynomial time?
17:08.50 Notify 03BRL-CAD:brlcad * 64342 (brlcad/trunk/src/librt/primitives/arb8/arb8.c brlcad/trunk/src/librt/primitives/arbn/arbn.c): neither arb8 or arbn are necessarily regular polyhedron. expand on what it means to be an arbn
17:09.09 brlcad fg
17:09.42 brlcad dracarys983: we already have a volume function for arbn ...
17:09.58 brlcad see rt_arbn_volume() in arbn.c
17:13.51 dracarys983 brlcad, I have built v7.24.0. Am I on the correct version? I don't see a rt_arbn_volume() here.
17:19.31 dracarys983 I'm sorry. I'm on the wrong version it seems.
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18:33.54 brlcad dracarys983: depends what you mean by wrong version -- if you're doing development, you should always be working with our latest svn trunk sources
18:33.58 brlcad not a source tarball
18:34.00 brlcad ~cadsvn
18:34.00 infobot To obtain BRL-CAD from Subversion: svn checkout https://svn.code.sourceforge.net/p/brlcad/code/brlcad/trunk brlcad
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18:57.03 Izakey Hi brlcad
19:04.14 dracarys983 brlcad, Thanks a lot. I have built the latest svn trunk sources now. :)
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20:44.20 Notify 03BRL-CAD:starseeker * 64343 (brlcad/trunk/src/libbn/polygon.c brlcad/trunk/src/libbn/tests/bn_polygon_triangulate.c): Check for ear status change in convex case.
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21:06.00 Notify 03BRL-CAD:carlmoore * 64344 brlcad/trunk/src/libged/lc.c: implement NUMERIC sorting for columns 1,2,3; those columns are stored as CHARACTERS
21:09.44 Notify 03BRL-CAD:starseeker * 64345 brlcad/trunk/src/libbn/polygon.c: Not sure if this is right, but try to use the angle to guide ear selection.
21:17.06 brlcad way to go carl.. actual logic fix
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21:49.16 ``Erik buzuhwhua??? carl committed something that wasn't a comment grammar fix? :o
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