IRC log for #brlcad on 20090310

00:05.05 *** join/#brlcad BigAToo (n=BigAToo@pool-96-230-124-10.sbndin.btas.verizon.net)
00:31.39 CIA-40 BRL-CAD: 03brlcad * r33969 10/brlcad/branches/STABLE/ (844 files in 82 dirs): merge trunk to STABLE from r33711 to HEAD r33968, syncs rel-7-14-4 candidate
01:22.15 starseeker grinds teeth as his efforts at work on the mac flop on gentoo AGAIN
01:39.46 bjorkintosh so ...
01:39.56 bjorkintosh how comes the mged tutorial is in reverse order?
01:42.43 brlcad bjorkintosh: reverse order in what way?
01:43.25 bjorkintosh Postscript Version (258 pages, in reverse order).
01:43.48 bjorkintosh from this page: http://ftp.arl.army.mil/~mike/papers/88mged/
01:43.57 brlcad jeez, that's old
01:44.20 bjorkintosh indeed. is it not worth reading at all then?
01:44.46 brlcad reverse order probably because of some printer that required it to output in-order
01:44.59 bjorkintosh 'cause some very kind people in #ghostscript (kens) righted the order!
01:45.01 bjorkintosh and emailed it to me.
01:45.11 bjorkintosh in both pdf and ps.
01:46.27 brlcad you could certainly read it, but realize that it was written in '88 .. 21 years ago
01:46.35 brlcad a couple things have changed
01:46.48 bjorkintosh what's a good replacement for the document?
01:48.20 brlcad bjorkintosh: have you even been to the main website? :)
01:48.25 bjorkintosh yes.
01:49.19 brlcad then it should be kinda obvious, I'd hope
01:50.30 bjorkintosh intro to mged.
01:50.33 bjorkintosh indeedy.
01:54.29 bjorkintosh deep curiousity... i just had to read it
01:54.42 bjorkintosh it was a little too annoying to read it in the reverse order though.
02:31.37 starseeker smashes scl into building on gentoo and tars up for testing on the mac...
02:40.42 CIA-40 BRL-CAD: 03brlcad * r33970 10/brlcad/tags/rel-7-14-4/:
02:40.42 CIA-40 BRL-CAD: stable merging and testing finally finished, tag 7.14.4
02:40.42 CIA-40 BRL-CAD: next time use a faster machine.
02:44.06 starseeker brlcad: Are we open for committing again?
02:46.16 brlcad not until you see step 14
02:48.39 starseeker k
02:49.26 bjorkintosh i got an old book called the art of 3-d design... it's revived all these latent interests again.
02:49.38 bjorkintosh i'm going to try to work through it using brl cad
02:50.40 CIA-40 BRL-CAD: 03brlcad * r33971 10/brlcad/trunk/ (NEWS README include/conf/PATCH): post-release bump revision number to 7.14.5 in anticipation of 7.14.6
02:57.32 starseeker realizes he shouldn't commit this until he has it in a form that won't bust distcheck anyway
02:59.40 brlcad bjorkintosh: cool, feel free to share your progress as you work through it
02:59.50 brlcad and of course ask away if you have questions
03:00.15 brlcad starseeker: indeed
03:00.43 bjorkintosh i will.
03:01.01 bjorkintosh so far, all the examples from muus's manual have worked.
03:01.23 bjorkintosh i'm guessing mged is fully backwards compatible?
03:01.46 starseeker not guaranteed, but it's not surprising a lot of it still works
03:02.49 bjorkintosh very well then, i shall go through the entire thing and note any broken parts...
03:03.12 bjorkintosh i've been skipping the hardware specific content though
03:03.15 bjorkintosh so i'm cheating a little.
03:08.14 brlcad if you see /dev/sgip, just replace it with /dev/X
03:09.25 bjorkintosh okay.
03:10.15 bjorkintosh is tcl/tk already in it's 20somethings?!
03:10.20 bjorkintosh i'm rather surprised...
03:19.49 *** join/#brlcad PrezKennedyIII (i=Matthew@whitecalf.net)
04:33.57 Ralith it's pretty old
04:34.04 Ralith you can tell by how ugly its widgets are >_>
06:13.14 *** join/#brlcad Ralith (n=ralith@216.162.199.202)
08:14.34 *** join/#brlcad _sushi_ (n=_sushi_@84-72-93-63.dclient.hispeed.ch)
09:25.23 *** join/#brlcad mafm (n=mafm@223.Red-83-49-86.dynamicIP.rima-tde.net)
11:54.57 brlcad Ralith: it actually has a fully revamped look n' feel now (the new ttk widgets)
11:56.15 brlcad fully themable widget set, http://wiki.tcl.tk/11075
12:10.36 CIA-40 BRL-CAD: 03indianlarry * r33972 10/brlcad/trunk/src/mged/chgmodel.c:
12:10.36 CIA-40 BRL-CAD: updated f_qorot() to properly rotate around point,direction related
12:10.36 CIA-40 BRL-CAD: to BUG "[ 2663014 ] qorot does not rotate around vector".
12:33.15 *** join/#brlcad elite01 (n=omg@unaffiliated/elite01)
13:20.37 CIA-40 BRL-CAD: 03indianlarry * r33973 10/brlcad/trunk/src/libwdb/wdb.c:
13:20.37 CIA-40 BRL-CAD: changed vertex ordering in mk_rpp() to match new arb8 ordering
13:20.37 CIA-40 BRL-CAD: this relates to BUG "[ 2663183 ] arb8/rpp vertex order different"
13:28.45 ``Erik_ uh
13:29.25 ``Erik_ oh, that's keith hah
13:29.37 d-lo it lives! i mean, Hey Erik!
13:29.43 ``Erik_ yo, dave
13:29.55 d-lo hows your new office?
13:30.05 ``Erik_ not bad now that the light is off
13:30.08 ``Erik_ :D
13:30.35 ``Erik_ here, wait, lemme push my sub up against the wall and crank it, ya'll didn't want that whiteboard to stay attached, didja? :D
13:30.37 ``Erik_ *duck*
13:31.09 d-lo What we need is a McDonalds Style Drive Thru window in our wall. I see no end to the entertainment with that. :)
13:31.13 ``Erik_ ooh, I could stand on a desk and push the ceiling tile up and throw shit at ya, too :D awesome
13:31.26 d-lo Sub? "You don't have the balls" to do that ;)
13:31.36 d-lo Well, not shit, but stuff.
13:36.44 *** join/#brlcad piksi (n=piksi@pi-xi.net)
13:37.21 piksi hi, on the brlcad homepage you state that "The solid modeling system is frequently used in a wide range of military, academic, and industrial applications including in the design and analysis of vehicles, mechanical parts, and architecture."
13:37.28 piksi are there any examples of brl's usage in architecture?
13:48.11 piksi in the quest for a foss bim modeler for architecture i've stumbled upon brl numerous times
13:52.07 *** join/#brlcad BigAToo (n=BigAToo@pool-96-230-124-10.sbndin.btas.verizon.net)
14:03.58 brlcad hi pk
14:04.01 brlcad er, piksi
14:04.40 piksi hi
14:05.11 brlcad piksi: you'd stumble upon us mostly becasue we are 'the' (only/main) foss CAD system in production use (that we're aware of, fully foss)
14:05.47 brlcad most of our architecture history has been folks modeling buildings that perform loading and structural analyses
14:06.04 brlcad like what happens when you explode something near a pillar
14:06.42 brlcad alas, not so much bim requirements as modeling for the purpose of running very specific analyses
14:06.54 brlcad or for generating basic drawings/visualizations
14:06.58 piksi brlcad: yep, i know. there really really aren't any viable realistic cad options in foss apart form brl
14:07.06 brlcad nods
14:07.32 piksi there's an interest in the architecture field to strive away from autodesk due to their licensing and horrendous reliability
14:07.54 piksi and there have been some isolated efforts to develop from architects to architects software
14:08.22 piksi i'm just thinking how realistic basis could brl be for a plugin(?) or other framework on top of it for bim/nurbs modelling of buildings
14:08.36 piksi as far as i've understood brl understands materials very well?
14:10.45 brlcad depends what you mean my "understands", but there is support for material types, region identifiers, arbitrary attributes
14:11.39 brlcad our new modeling environment is specifically being designed to (hopefully) be fully plugin-based with modular pieces of functionality that lets us plug in old as well as new features
14:12.06 brlcad biggest issue is really just developer manpower -- the user demand is much much greater than the developer capacity
14:12.46 brlcad and the few folks (not on our team) that could be devs are either off doing their own project or doing CAD development for their day job
14:13.05 brlcad at least, as far as I can tell ;)
14:18.58 piksi yeah it's completely understandable :-)
14:19.59 piksi i could perhaps get a few developers working on it but the funding would be from architects so the focus would be either on a fork or extensions for architectural bim...
14:33.52 piksi so who are funding brl-development right now?
14:34.24 brlcad piksi: wouldn't need to be a fork per-se
14:34.44 piksi yeah i'm always against forking if it's avoidable :-)
14:34.53 brlcad there is plenty of mutual interest/overlap -- the bigger issue just might be how the GUI evolves or how a new one is developed
14:35.43 brlcad brl-cad is still heavily funded by ARL
14:36.22 brlcad more than half the core devs are paid by or affiliated with the gov't in some fashion
14:38.30 brlcad most development, though, happens via simple consensus discussions where design decisions have to be made, only influenced by a developer meritocracy (i.e., those who contribute decide)
14:41.08 piksi brlcad: ok
14:41.28 piksi yeah the gui is a big issue
14:41.48 brlcad if you've not seen this: http://brlcad.org/BRL-CAD_Priorities.png
14:42.40 brlcad that's our major project priorities (regardless of funding support, though most of that has major support too)
14:43.26 brlcad brep/nurbs support, networked geometry service, enhanced gui, and more open source collaboration
14:44.25 brlcad starseeker: tcl/tk aren't creating symlinks/copies -- something is missing from src/other/tcl/unix/Makefile.in and/or tk's too
14:49.21 piksi brlcad: there are plenty of ideas for the gui on making architecture efficent which might interest also the funders oand developers of brl
14:50.07 piksi because we architects know very well something that isn't usable (due tot the horrendousness of many commercial solutions such as ArchiCAD, AutoCAD ADT etc ;-)
14:51.37 brlcad piksi: how much of that is really architecture-specific as it pertains to a gui?
14:52.54 brlcad to date, we've intentionally tried to utilize domain-agnostic metaphors so that the package is really generalized to most CAD/solid modeling needs
14:53.20 brlcad otherwise we'd gravitate towards CAE and analysis terms that are very niche
14:53.34 brlcad (which would be bad imnsho)
14:55.08 piksi brlcad: well, autocad architecture (used to be autocad architectural desktop) is a prime example how how bim modelling cannot be glued on top of a pure line/solid cad modeller
14:55.45 brlcad for domain-specific terms and metaphors, I'm hoping/intending that the new GUI be modular enough to have "overlays" where you get domain-specific (drafting, CAM, Architecture, electronics, etc)
14:56.05 brlcad piksi: you'll have to explain, never used it
14:56.11 brlcad nor even seen it
14:56.47 brlcad plus, was it a bad design, or bad execution (or both) .. could be a great idea and a horrible implementation
14:57.26 piksi yes i'm very much for minimal basic gui with minimal restrictions on modularity (so that the basis of the gui will not restrict modifying it suitable for a certain job)
14:57.29 piksi well
14:57.42 piksi brlcad: bad design && bad execution :-)
14:57.43 piksi but
14:59.18 piksi brlcad: autocad ADT was a prime example of how the 30 year old autocad paradigm was so restrictive that it didn't allow for an easily usable bim modeller on top of it. so it had a LOT of redundancies and also counterintuitive actions and in addition many of the tools had different usage logic
14:59.49 piksi so a random set of (old) tools worked with a certain logic and a random set of other tools implemented later worked with a completely different logic
15:00.00 piksi (and i very much prefer a PROPER CLI in a modeler)
15:00.36 piksi i hope this explains something
15:39.49 starseeker brlcad: re: tcl/tk - OK, I'll see if I can track it down
15:40.06 starseeker grr, I thought I had all the major functional updates
15:41.28 *** join/#brlcad louipc (n=louipc@archlinux/trusteduser/louipc)
15:45.03 starseeker ah I see it
15:51.04 starseeker hmm - no, wait...
15:51.46 louipc are there plans for a 7.14.4 tarball?
15:52.48 starseeker should be - that's standard
15:52.55 starseeker brlcad: want me to take care of that part?
15:53.16 louipc ok, just wondering hehe
15:54.08 louipc I can pull off of svn, but some other people may not follow releases/tagging as closely
16:05.04 CIA-40 BRL-CAD: 03starseeker * r33974 10/brlcad/trunk/src/other/tk/unix/Makefile.in: Re-add change to Makefile.in from revision 30417
16:10.43 starseeker brlcad: OK, that looks like it got it - tk didn't know what SHLIB_SUFFIX was so it's no surprise things weren't working
16:13.37 CIA-40 BRL-CAD: 03d_rossberg * r33975 10/rt^3/trunk/ (2 files in 2 dirs): modification of a combination's tree
16:17.49 *** join/#brlcad andrecastelo (n=chatzill@189.71.28.157)
16:35.54 brlcad piksi: yeah, that does (I think) :)
16:36.03 brlcad sounds quite congruent too
16:39.17 *** join/#brlcad mafm (n=mafm@223.Red-83-49-86.dynamicIP.rima-tde.net)
16:47.25 CIA-40 BRL-CAD: 03starseeker * r33976 10/brlcad/branches/STABLE/src/other/tk/unix/Makefile.in: Add fix for tk unix Makefile.in from trunk rev 33974 to STABLE branch
17:10.53 starseeker grr - now yylineno is not found in libexpress
17:24.15 *** join/#brlcad hippieindamakin8 (n=hippiein@59.92.164.81)
19:13.28 ``Erik_ O.O http://www.edibleapple.com/ifart-developer-makes-40000-in-2-days/ iphone owners seem to have... issues... :D
19:23.10 *** join/#brlcad _sushi_ (n=_sushi_@77-58-232-171.dclient.hispeed.ch)
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19:55.24 piksi brlcad: if it's ok with you i'll discuss brl in a meeting soon and ask if there's mutual interest in cooperation/development and then discuss more with you brl developers
21:45.41 *** join/#brlcad BigAToo (n=BigAToo@pool-96-230-124-10.sbndin.btas.verizon.net)
22:08.04 CIA-40 BRL-CAD: 03brlcad * r33977 10/brlcad/trunk/doc/ (Makefile.am TODO.BREP): additional BREP notes to go with the brep.txt notes as a general work breakdown scratch pad
22:22.00 brlcad piksi: sounds great
22:22.07 brlcad let me know if you need anything
22:26.23 CIA-40 BRL-CAD: 03brlcad * r33978 10/brlcad/trunk/doc/TODO.BREP: few more entities and modifiers
22:27.23 *** join/#brlcad elite01 (n=omg@unaffiliated/elite01)
23:23.01 starseeker grumble
23:23.22 starseeker older bisons don't seem to be generating yylineno, but the new one does
23:27.38 Ralith brlcad: cool! What's needed to make that work with mged?
23:31.29 *** join/#brlcad piksi_ (n=piksi@pi-xi.net)
23:32.20 Ralith just Tk 8.5 and some config file somewhere?
23:35.54 Ralith looks like it needs to be hardcoded.
23:36.29 Ralith and adds a new dependency of tile
23:48.05 *** join/#brlcad brlcad (n=sean@bz.bzflag.bz)

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