IRC log for #brlcad on 20120908

00:55.14 *** join/#brlcad crdueck (~cdk@24-212-219-10.cable.teksavvy.com)
05:26.32 CIA-68 BRL-CAD: 03brlcad * r52400 10/brlcad/trunk/src/librt/primitives/nmg/nmg_rt_segs.c: as the compiler notes, the call is unlikely and the benefit it insignificant. remove the inline hint and just let it be like the others.
05:30.00 CIA-68 BRL-CAD: 03brlcad * r52401 10/brlcad/trunk/src/librt/primitives/brep/brep.cpp: zero-init to avoid use-before-set issue
09:36.52 *** join/#brlcad Al_Da_Best (~Al_Da_Bes@5e0e1434.bb.sky.com)
10:37.26 *** join/#brlcad Rangar (~Dave@124-197-21-4.callplus.net.nz)
10:37.47 Rangar ``Erik: :P
10:37.49 Rangar oops, :)
10:38.04 Rangar good to see you, Mal and Twingy still around too bud?
12:18.42 *** join/#brlcad Rangar (~Dave@124-197-21-4.callplus.net.nz)
13:58.49 CIA-68 BRL-CAD: 03starseeker * r52402 10/brlcad/trunk/ (5 files in 5 dirs): The libged per-command build logic was premature - until we have a real need for per-command handling, it's just a useless distraction.
13:59.27 starseeker OK - I haven't tried it, but the simulate command will now print a message
14:00.12 starseeker elf_: hopefully, you should see the simulate command now
14:24.14 CIA-68 BRL-CAD: 03starseeker * r52403 10/brlcad/trunk/src/librt/test_botpatches.cpp: No point in doing double the work - only calculate each patch intersection once
15:03.06 CIA-68 BRL-CAD: 03starseeker * r52404 10/brlcad/trunk/src/librt/test_botpatches.cpp: Don't group faces in the same patch with an area difference of more than an order of magnitude.
15:05.38 *** join/#brlcad Yoshi47 (~jan@d24-204-236-81.home4.cgocable.net)
16:08.03 *** join/#brlcad louipc (~louipc@archlinux/fellow/louipc)
16:14.57 elf_ brlcad, I did see the simulate command, the refactoring of the joint command it did help a lot, thanks
17:18.31 elf_ what next brlcad?
17:23.36 CIA-68 BRL-CAD: 03Elf11 07http://brlcad.org * r4387 10/wiki/User:Elf11: /* Log */
17:50.55 CIA-68 BRL-CAD: 03starseeker * r52405 10/brlcad/trunk/src/librt/test_botpatches.cpp: Start with the largest face in a group.
18:05.12 brlcad elf_: run it
18:05.19 elf_ I did
18:05.24 brlcad did it work?
18:05.31 elf_ yes
18:05.38 brlcad I mean run it and make an actual simulation/animation
18:05.58 elf_ okay
18:07.30 brlcad suggest trying a very simple animation, like having an rpp (box) fall and hit a ground
18:08.07 elf_ okay I was thinking about a ball falling and hitting the ground but will do it with the box
18:08.09 brlcad do you know how to create geometry?
18:08.25 elf_ I tried some of the in/make mged commands
18:08.33 elf_ that's the way to do it, right?
18:08.41 brlcad I'd start with a box just because of how bullet can handle boxes and that was the initial feature that was working
18:08.47 brlcad yep
18:08.53 brlcad in box rpp ...
18:08.58 brlcad in ground rpp ...
18:09.07 brlcad sed box
18:09.11 brlcad tra 0 0 1000
18:09.13 brlcad accept
18:09.32 brlcad that creates a box and ground object, then translates the box up 1000 units
18:09.47 brlcad something like that, just one in the space above the other
18:09.52 elf_ okay
18:10.01 brlcad then however you tell the simulation to run
18:10.17 brlcad if you would, write down the steps you take as a tutorial on the wiki
18:10.41 brlcad as if you were explaining it to someone else how to use the simulate command to make an animation
18:10.50 elf_ okay, will do
18:11.21 brlcad some other wiki tutorials here: http://brlcad.org/wiki/Main_Page#Tutorials
18:12.41 elf_ got it will look through them too
18:12.48 CIA-68 BRL-CAD: 03Sean 07http://brlcad.org * r4388 10/wiki/Animation: can go straight to png now, so simplify
18:14.22 brlcad sgi cube and animation tutorials are probably useful, sgi cube shows various ways to pass commands to mged in a script and the animation tutorial shows how to turn rendered frames into a movie
18:15.24 brlcad I'd imagine you'll have a loop: run mged simulte, render, run mged simulte, render, etc until the end of the loop, leaving you with lots of image frames
18:15.58 brlcad then you can combine those frames into a movie with a whole variety of tools
18:16.20 brlcad suggest just making a tutorial with the simplest possible steps that give you a movie
18:18.01 elf_ Okay, so I have to run a simulation for the 2 cubes and look into the scripting and movie tutorials for mged and make a tutorial on "how to" make a simple simulation using those
18:18.02 elf_ right?
18:29.38 brlcad well sort of, basically it'd be good to have a tutorial on how to use the simulation system as one does not exist
18:30.08 brlcad to "see" a simulation, you need to render animation frames and make a movie
18:30.21 brlcad at least, to share that simulation with others outside of mged
18:30.44 elf_ Okay, so the point is to make a tutorial on the simulation command, and then add the bits about animation frames and the movie option
18:31.22 brlcad don't worry too much about the movie part -- if you figure out how to run the simulation, start there
18:31.33 brlcad but yes, that's the idea
18:31.35 elf_ okay :) thank you
18:53.32 *** join/#brlcad Rangar (~Dave@124-197-21-4.callplus.net.nz)
23:22.15 *** join/#brlcad _Rangar_ (~Dave@124-197-21-4.callplus.net.nz)

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