| 00:02.36 | IriX64 | http://www.pastebin.ca/379119 |
| 00:05.02 | ``Erik | actually, bu_free is a tiny bit more complicated, dude |
| 00:05.19 | IriX64 | only looked at the first part :) |
| 00:05.48 | ``Erik | src/libbu/malloc.c:357 |
| 00:06.01 | IriX64 | ty just a sec. |
| 00:06.11 | brlcad | IriX64: you did pinpoint the error.. a couple lines off, but I see the problem |
| 00:06.26 | IriX64 | glad to help. |
| 00:09.01 | ``Erik | swank |
| 00:09.23 | IriX64 | a full blown memory manager ``Erik nice lot of work there. |
| 00:10.24 | ``Erik | heh, I surspect the person to blame is in a better place these days. |
| 00:10.49 | IriX64 | heh the hand having coded moves on eh ? :) |
| 00:12.16 | IriX64 | sometimes returning a null can come in handy :) |
| 00:12.22 | ``Erik | happens to the best |
| 00:12.50 | ``Erik | unfortunately, I never met the man :) the lore has raised him to godlike status where I work |
| 00:13.28 | IriX64 | lore tends to generate legends. |
| 00:13.43 | IriX64 | whether they like it or not :) |
| 00:14.28 | ``Erik | so have you started pulling top level elements from files to try the conversion circuit? |
| 00:14.38 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/src/librt/g_dsp.c: |
| 00:14.38 | CIA-7 | BRL-CAD: fix a bug, or at least really bad behavior, where calling up the wireframe of a |
| 00:14.38 | CIA-7 | BRL-CAD: dsp that failed to load any data would cause the app (mged) to abort. the abort |
| 00:14.38 | CIA-7 | BRL-CAD: was due to a BU_CK_MAPPED_FILE that was occurring before an already existing |
| 00:14.38 | CIA-7 | BRL-CAD: check for whether the data was valid. reordered correctly, and updated the |
| 00:14.40 | CIA-7 | BRL-CAD: error message to say what wasn't found so the user might have an idea of what to |
| 00:14.42 | CIA-7 | BRL-CAD: look for. |
| 00:15.12 | ``Erik | <-- points to src/conv/Formats.csv as the map on might be able to do (lossy) round-trip |
| 00:15.12 | IriX64 | man, i still have to work out a plan of attack for that. |
| 00:15.32 | IriX64 | won't promise anything. |
| 00:16.13 | ``Erik | well, if you start digging and run into a problem, submitting a bug report via the sourceforge interface would be hugely helpful to us poor code monkeys |
| 00:16.21 | brlcad | ``Erik: the lore surrounded him even before he was gone |
| 00:16.24 | IriX64 | sure. |
| 00:17.08 | ``Erik | heh, perhaps because he was one of the very few tech types who told mgmt types to go fornicate themselves and survived? :D *duck* |
| 00:17.25 | brlcad | not really, he didn't have anything like that sort of personality |
| 00:17.52 | brlcad | he just did his own thing, that was usually something breakthrough or insightful and rarely questionable |
| 00:18.09 | ``Erik | and as far as I can tell, the real instance was that he was told to do something and said "no" |
| 00:18.16 | IriX64 | and he obviously did not produce null code (duck) |
| 00:18.16 | brlcad | his personality was exceptionally charismatic |
| 00:18.24 | ``Erik | and the thing he was probably told to do was probably excessively moronic |
| 00:18.48 | ``Erik | like, say, a technical person attending a briefing on the fy07 program build |
| 00:18.49 | ``Erik | *cough* |
| 00:18.50 | brlcad | well, yeah, he could do that as well, he more than earned it |
| 00:19.36 | ``Erik | wendy chewed me out for skipping starks briefing today, told me I have to attend the 'makeup' session... so I put an OMP71 in her box for that entire week off as accrued leave. |
| 00:19.40 | ``Erik | monday might be interesting |
| 00:20.48 | ``Erik | (that week is actually to accomodate a friend who wants to visit, it just happens to concide with the briefing) |
| 00:21.03 | ``Erik | fucking retarded fucking bullshit |
| 00:24.28 | brlcad | that you apparently care about and let get to you and fume, bitch, and moan instead of dealing with in more productive ways |
| 00:24.55 | ``Erik | heh |
| 00:25.32 | ``Erik | I think I've done everything I can short of finding new employment |
| 00:25.39 | brlcad | seriously, you either brush it off and ignore/deal with it, or you do something else (whether it's actively discussing, or going above, or going elsewhere) |
| 00:26.29 | brlcad | as it is, you're somewhere half-way in between half ignoring but with a lot of behind the scenes bitching and moaning |
| 00:26.45 | brlcad | if you're really that unhappy, tell them, and tell them again, and again |
| 00:27.13 | ``Erik | heh |
| 00:27.17 | ``Erik | I've been to bobs office a few times |
| 00:27.20 | ``Erik | and pauls a couple |
| 00:27.26 | ``Erik | I'm not bitching behind the scenes, dude :D |
| 00:27.32 | brlcad | yeah you do |
| 00:27.36 | brlcad | most of the building does |
| 00:28.02 | brlcad | only a couple people have actually confronted her on topics when they grate |
| 00:29.32 | brlcad | I dunno, I'm not nearly as insulated from that sort of stuff as you might think, but I also just don't care so I ignore it or confront when it does impact me |
| 00:30.07 | brlcad | I arrive for two specific reasons, and those two reasons alone |
| 00:30.18 | brlcad | BRL-CAD and to work with Mike |
| 00:30.45 | brlcad | can't do the latter, obviously |
| 00:34.20 | brlcad | you gotta know what you want and stick to it, and for that want to actually be something beneficial .. and stay focused on that -- when you do, the rest just doesn't matter no matter how required things get |
| 00:35.14 | brlcad | anyways, that's all just my thoughts on life in general .. gotta be passionate and happy, else what's the point? |
| 00:35.50 | brlcad | IriX64: and thanks again.. that actually was rather helpful for once ;-) |
| 00:38.09 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/NEWS: prevent mged shutdown on DSP objects with no data, thanks to IriX64 for pinpointing the general locality of code that was causing the shutdown. |
| 00:42.49 | brlcad | tis a noble and good goal, a bit vague/abstract, but something |
| 00:45.11 | brlcad | but it also doesn't quantify exactly what you want to be doing.. |
| 00:46.03 | brlcad | it's saying what you want the impact of whatever you do to be .. which a lot of people won't jive with or understand or care |
| 00:46.21 | brlcad | but putting it in terms of what you actually want to do, makes a big difference |
| 00:47.13 | ``Erik | <-- heavy in the classic thought in CS... looks back to the 60's and 70's and can't understand what the flying fuck happened |
| 00:47.14 | brlcad | I want to have brl-cad be the best open source solid modeling system, handling 2d and 3d, and with dozens of devs and massive community activity |
| 00:47.35 | ``Erik | working on brl-cad is an awfully nice angle and provides the framework to address serious problems |
| 00:47.37 | brlcad | but from a "doing" perspective, I simply want to work on the code, make improvements, etc |
| 00:47.48 | brlcad | sure |
| 00:48.04 | brlcad | this particular project can be spun to so many angles and interests.. :) |
| 00:48.08 | ``Erik | being chewed out for working on brl-cad instead of attending a useless meeting is... yet one more burr to frustrate and anger. |
| 00:49.03 | brlcad | that's where I think you're letting a distraction get to ya .. and understandably, but you have grounds to just not care if you keep the focus |
| 00:49.36 | ``Erik | I'm already biased in a degree... last time I let her go unchecked, I spent 60% of my work life in meetings. |
| 00:50.04 | ``Erik | so when she pushes the meeting thing AT ALL, i'm immediately in an extreme defensive posture |
| 00:51.06 | ``Erik | (unfortunately, I think the lead pipe I beat her with to get out of the 60% meeting time issue was the catalyst for the TSP report) |
| 00:51.19 | ``Erik | TPS report |
| 00:51.22 | ``Erik | rather |
| 00:51.41 | brlcad | see, my angle on that would have just been "look, i'm here to work on brl-cad -- that is my job and interest, listening to starks doesn't help me do my job any better so I didn't attend -- I have to manage my time effectively or I'd be in meetings all day every day." |
| 00:52.02 | brlcad | and if that position can't be defended on the technical reasons alone, then maybe they do have a point |
| 00:52.03 | ``Erik | yeah, uh... didn't work for me. |
| 00:52.25 | ``Erik | but I didn't push it too awfully far *shrug* |
| 00:54.15 | brlcad | well, was it an actual mandated requirement? |
| 00:54.20 | ``Erik | I'd imagine she has a delusion that all gov't employees want to be a bc some day |
| 00:54.27 | brlcad | if it was, then there's higher ups that you should complain to |
| 00:54.28 | ``Erik | no, it was noted that it was happening via email |
| 00:54.36 | ``Erik | that was it |
| 00:54.52 | ``Erik | nothing said it was mandatory, or even expected... just that if you were interested, it was happening |
| 00:55.05 | ``Erik | the NEXT one is mandatory to gov't employees now, via her decree |
| 00:55.30 | brlcad | so it's not mandatory, you can safely stick to your morals/passion/whatever and manage your time how you see appropriate |
| 00:55.59 | brlcad | that just makes you subversive |
| 00:56.02 | ``Erik | if she denies it cuz I'd miss that meeting, I might talk to bob |
| 00:56.05 | ``Erik | well |
| 00:56.17 | ``Erik | the opm71 is because a friend is going to be in the area that week |
| 00:56.19 | ``Erik | from missouri |
| 00:56.28 | ``Erik | so, y'know, I wanna hang with her, not go to work |
| 00:56.35 | brlcad | yeah yeah, it's also an excuse and you know it else it would be irrelevant :) |
| 00:57.01 | ``Erik | heh, actually, I'd already submitted and put it on my calendar, then I found out she was going to try to come out... |
| 00:57.13 | brlcad | if you professionally don't think it's worth your time, then you should say it |
| 00:57.30 | brlcad | and stick to it on those grounds, regardless of whatever other reasons you might have for also not going |
| 01:13.06 | ``Erik | heh, and if I get shitcanned for that, are you gonna loan me a few grand to get back on my feet? :D |
| 01:24.34 | ``Erik | I drive super slow.. in the ultrafast lane... ! D |
| 01:24.39 | ``Erik | fun song |
| 01:25.16 | Twingy | I think I'm gonna repair the demon plane |
| 01:25.21 | Twingy | just needs a new nose |
| 01:25.38 | ``Erik | ... |
| 01:25.48 | ``Erik | and some anti-finger equipment. |
| 01:25.52 | Twingy | heh |
| 01:25.55 | Twingy | I'll mount the engine upright |
| 01:25.59 | Twingy | forget the cowling |
| 01:26.08 | Twingy | that plane wasn't designed for an OS46 upside down |
| 01:26.11 | ``Erik | I doubt the inversion was the issue |
| 01:26.14 | Twingy | I don't care what they say |
| 01:26.19 | Twingy | dude |
| 01:26.25 | Twingy | the thing was leaking fuel like an SR71 |
| 01:26.31 | ``Erik | <PROTECTED> |
| 01:26.41 | Twingy | oh yours, sure |
| 01:26.56 | ``Erik | yeah, it spit gas like a mofo even when in a happy place |
| 01:26.57 | Twingy | but when you see the fuel dripping on the ground you got problems |
| 01:26.59 | ``Erik | heh |
| 01:27.14 | Twingy | so it was either cut your finger off or go up in flames |
| 01:27.28 | ``Erik | flame injurs slow |
| 01:27.32 | Twingy | that's why I love that plane |
| 01:27.35 | Twingy | I dunno |
| 01:27.37 | Twingy | nitromethane |
| 01:27.40 | Twingy | a little like napalm |
| 01:27.54 | ``Erik | fast propogation, but reasonably low burn temperature |
| 01:27.57 | Twingy | you get that crap on you and it's like you gotta scrape it off |
| 01:28.01 | Twingy | yea, low temp |
| 01:28.16 | Twingy | just HIGHLY toxic fuems |
| 01:28.20 | ``Erik | yeah, but hard suffocation is effective |
| 01:28.28 | ``Erik | and in open air *shrug* |
| 01:28.31 | Twingy | after you pass out you'll fall onto the propellar |
| 01:28.41 | ``Erik | i doubt it's that fast |
| 01:29.01 | ``Erik | human brains function an awfully long time without fresh exygen |
| 01:29.04 | ``Erik | oxygen |
| 01:29.10 | Twingy | Demon-II |
| 01:29.36 | Twingy | I all I need is 2 servos |
| 01:30.03 | Twingy | I bought one of the buddy cables so I can interface my r/c controller to a pic chip |
| 01:30.10 | ``Erik | if it's stupid and over-reactive, y'know, I'll bear the burden. that's cool with me. |
| 01:30.10 | Twingy | ...and train the occaisonal noob |
| 01:30.40 | ``Erik | heh |
| 01:30.49 | ``Erik | most newbs, the "passover" is good 'nuff |
| 01:31.00 | Twingy | yep |
| 01:31.25 | Twingy | cause I'm lazy I'll interface mine with a PIC cheap and pass serial data back out |
| 01:31.54 | Twingy | hehe, I was stubborn and crashed my first plane and then knew how to fly |
| 01:32.00 | Twingy | twice |
| 01:32.30 | ``Erik | :D do you have software that can compenstate for trees on either side of the landing strip and figure out a cut in and glide path? |
| 01:33.21 | Twingy | I stopped at hobby works in bel air today |
| 01:33.29 | Twingy | they have a decent amount of stuff |
| 01:33.41 | Twingy | I bet chuck would enjoy the trains |
| 01:33.43 | ``Erik | <-- willing to be the 'newb' and learn from someone more knowlegeablae |
| 01:33.45 | ``Erik | oh? |
| 01:34.07 | ``Erik | a little google work exposed an electronics store walking distance from me |
| 01:34.08 | Twingy | after you pay for shipping from tower |
| 01:34.09 | ``Erik | like |
| 01:34.14 | Twingy | that store is still about 5% more expensive |
| 01:34.17 | ``Erik | walking distance fro ME |
| 01:34.29 | ``Erik | which is hardly past the beer fridge |
| 01:34.50 | Twingy | so you can grab a sam adams and 555 timer in one trip |
| 01:35.03 | ``Erik | he |
| 01:35.17 | ``Erik | the electronics store is closer than the nearest package store |
| 01:35.33 | Twingy | after I get my rocket motor built and working I'll try to make an entire plane on my cnc mill |
| 01:35.35 | Twingy | using gcam |
| 01:36.02 | ``Erik | put a blade on to cut balsa? |
| 01:36.20 | Twingy | 1/8" endmill at 10k rpm @ 15 ipm will cut like butter |
| 01:36.32 | Twingy | single pass |
| 01:36.46 | ``Erik | not gonna cut out die's to press? :D |
| 01:36.55 | Twingy | I will probably do fiberglass instead of monokote though |
| 01:37.04 | Twingy | they laser cut them at the factory |
| 01:37.12 | ``Erik | if you intend to make more than a doze of a kit, making the blades to press might be worth it *shrug* |
| 01:37.14 | Twingy | friend of mine build a 25W cnc laser cutter |
| 01:37.19 | Twingy | then moved to canada |
| 01:37.38 | Twingy | laser leaves a better finish |
| 01:37.45 | ``Erik | I used to contemplate moving to canada.. but the news buzz lately isn't exactly appealing |
| 01:38.07 | Twingy | he went there cause his wife needed surgery |
| 01:38.11 | ``Erik | of course lasers are nice, but they might not bte 'right' for mass production |
| 01:38.20 | ``Erik | <-- hopes he and his wife are doign well |
| 01:38.26 | Twingy | all the hobby vendors use laser cnc now for balsa |
| 01:38.40 | ``Erik | huh |
| 01:38.54 | Twingy | scan through tower, they all say laser cut balsa |
| 01:38.55 | ``Erik | I guess the die cut his all history now :/ |
| 01:39.04 | Twingy | yep |
| 01:39.19 | Twingy | no need to make new dies with laser cnc |
| 01:39.33 | ``Erik | heh |
| 01:39.36 | Twingy | and it's not exactly like tower is selling 5,000 of every type of plane a day |
| 01:39.42 | Twingy | they probly sell one or two planes a day |
| 01:43.01 | ``Erik | of course, with a mill and a side cutter, no need for dies at all, just account for the material cut away as dust... |
| 01:43.01 | Twingy | maybe 4 or 5 during summer |
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| 01:56.29 | Twingy | if they sprayed the entire wing with a fine mist of CA before coating that thing would be 3x stronger |
| 02:03.48 | Twingy | Total Saved: $66.90 Net Savings: $-6133.1 Total kWh: 367 Oil Barrels: 0.74 Coal Tonnage: 0.18 Twinkies: 1584 |
| 02:07.19 | brlcad | almost a whole barrel, nifty |
| 02:07.42 | brlcad | do you fluctuate your average against the actual price of crude oil for the day? |
| 02:07.51 | brlcad | that would be sweet |
| 02:08.06 | Twingy | the conversion is joules of energy, not price |
| 02:08.17 | brlcad | ah |
| 02:08.35 | Twingy | so it should be relatively close |
| 02:08.51 | Twingy | as in slightly higher |
| 02:09.01 | brlcad | quite a bit higher by the time you get to 100% |
| 02:09.13 | brlcad | barrels peaked a high at $70 |
| 02:09.20 | brlcad | they're at something like 44 now |
| 02:09.29 | Twingy | by this 1 barrel will cost like $90 and a barrel right now costs $70 something I think |
| 02:09.35 | Twingy | k |
| 02:09.53 | Twingy | gotta factor in bge's distribution charges and fixed rates |
| 02:10.12 | brlcad | and lobbying interests, ceo fees, etc |
| 02:10.14 | Twingy | costs them like 1.25 barrels in energy for every 1 barrel they deliver due to losses |
| 02:10.37 | brlcad | yeah.. "losses" |
| 02:10.52 | Twingy | even at 700kV over transmission lines there is still considerable loss |
| 02:11.01 | Twingy | especially once it hits the 480V ground transformers |
| 02:11.12 | Twingy | ah |
| 02:12.17 | Twingy | I have a bunch of good ideas for anyone that wants to do a solid modeling based cam package using brlcad's libs |
| 02:12.25 | IriX64 | brlcad: tcl8.5a? |
| 02:12.57 | brlcad | IriX64: question? |
| 02:13.22 | IriX64 | brlcad: you guys are updating to tcl 8.5a soon? |
| 02:13.40 | brlcad | IriX64: that was the massive commit earlier today |
| 02:13.56 | IriX64 | all ready done then thanks. |
| 02:14.16 | louipc | Twingy: that would be sweet |
| 02:14.40 | Twingy | I can tell you exactly how you would do it with brl-cad's architecture |
| 02:15.18 | Twingy | would require a custom interface and new intersection routines for some primitives, but otherwise stock |
| 02:17.34 | brlcad | what sort of new intersection routines? to support g-code? |
| 02:17.43 | IriX64 | brlcad: cvs browse shows libtcl8.3 and libtcl8.4 , no 8.5 |
| 02:17.47 | Twingy | plane interection instead of ray intersection |
| 02:17.59 | Twingy | plane-tracing |
| 02:17.59 | brlcad | IriX64: you're looking in the old structure |
| 02:18.08 | IriX64 | whup pardon me. |
| 02:18.09 | brlcad | Twingy: ahh |
| 02:18.17 | brlcad | IriX64: look in the src/other dir |
| 02:18.31 | Twingy | but I can tell you how to do the logistics of generating tool paths from the plane equations |
| 02:18.53 | brlcad | Twingy: I was thinking that you'd use CSG and intersect each layer with a thin RPP .. the rasterize the layer with ray-tracing |
| 02:19.18 | Twingy | brlcad, if you wanted to hot-wire it, same thing... |
| 02:19.42 | Twingy | but in terms of generating optimal pocketing code I know how to do that |
| 02:19.53 | Twingy | otherwise your part will take foreeeeeeeeeeeeeeeever to finish |
| 02:20.02 | brlcad | what kind of equation result would you get intersecting a plane against something like a torus.. |
| 02:20.07 | Twingy | lrt vs. rayforce in terms of time |
| 02:20.38 | Twingy | brlcad, you limit yourself to arb8, tgc, sphere |
| 02:20.43 | brlcad | ahh, hehe |
| 02:20.48 | brlcad | that's cheating |
| 02:20.49 | Twingy | for starters |
| 02:20.54 | Twingy | no... |
| 02:21.03 | Twingy | that's supports the native g-codes |
| 02:21.11 | Twingy | so you have optimal tool paths |
| 02:21.18 | Twingy | with implicit definitions |
| 02:21.27 | Twingy | other primitives become parametric |
| 02:21.35 | Twingy | and should be avoided at all cost |
| 02:21.41 | brlcad | the tgc is a good example too .. you end up with soemthing really wonky with certain tgcs |
| 02:22.12 | Twingy | anyway, If some one gets a hankering to do it I got all the nitty gritty details worked out in my head |
| 02:23.03 | brlcad | heh |
| 02:23.11 | Twingy | afaik gcam is the most powerful open source cam package |
| 02:23.23 | brlcad | I'd like that too.. but I think the optimal approach is actually to complete the dual-rep brep support |
| 02:23.35 | brlcad | then you'd actually have exact curves and connectivity for any slice |
| 02:23.40 | Twingy | yep |
| 02:23.58 | Twingy | just like you can decompose a b-spline into beziers, and beziers into polynomials, and ultimately arcs |
| 02:24.09 | brlcad | it's coming along nicely actually, for the time being |
| 02:24.24 | Twingy | I want to have 3 modes |
| 02:24.38 | Twingy | the first mode, the one I have now, is doing cad with tool paths |
| 02:24.50 | Twingy | the second mode will be importing triangular brep geometries |
| 02:24.53 | brlcad | implicit, explicit brep polygonal, explicit brep sline surface |
| 02:25.00 | Twingy | the third mode will be implicit csg support |
| 02:25.35 | Twingy | once I put it on subversion I hope others will take care of the csg stuff |
| 02:25.50 | Twingy | since the interface and architecture are fairly mature now |
| 02:25.58 | brlcad | csg brep splines is going to be a bitch |
| 02:26.15 | Twingy | I don't think it will be |
| 02:26.30 | Twingy | they decompose very nicely into arcs |
| 02:26.46 | Twingy | and the code to do it can be optimized quite a bit |
| 02:26.50 | brlcad | not in 2D, but in 3D it's not exactly trivial |
| 02:26.58 | Twingy | I'm talking 3d |
| 02:28.00 | Twingy | you're basically generating piecewise spherical patches |
| 02:28.36 | Twingy | with C2 continuity since it's quadratic |
| 02:29.15 | Twingy | alright, I need to finish repairing this wing |
| 02:29.20 | Twingy | bbl |
| 03:29.47 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/NEWS: updated bundled blt to blt2.4z-patch-2 |
| 04:19.30 | IriX64 | ``Erik, that file in incoming *should work on your cygwin setup if you use the included cygwin1.dll. |
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| 07:49.39 | clock_ | brlcad: I have improved the Ronja model with a lot of little screws |
| 07:49.43 | clock_ | Now I think it's complete |
| 09:19.06 | clock_ | brlcad: screenshot for you http://images.twibright.com/tns/1f92.html |
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| 12:08.00 | ``Erik | irix: I want to make it work without issues on cygwin... thus the recent commits. |
| 14:34.54 | *** join/#brlcad Elperion (n=Elperion@p548755FA.dip.t-dialin.net) |
| 15:05.53 | *** join/#brlcad louipc (n=louipc@bas8-toronto63-1096667286.dsl.bell.ca) |
| 15:09.05 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/autogen.sh: fix leftover from previous version separation, need to extract the numbers if we want to check them directly here. fixes unary operator expected errors. |
| 15:24.28 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/configure.ac: no longer need to replicate tcl's configure checks since we're using AC_CONFIG_SUBDIRS so remove the dead sections |
| 15:27.41 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/src/other/ (tcl/unix/configure.in tk/unix/configure.in): heh, tcl/tk seem to indicate they need autoconf 2.59, which is newer than our present 2.52 minimum. there don't appear to be any post-2.52 macros in use, so reduce the AC_PREREQ. |
| 16:01.31 | *** join/#brlcad lg_ (n=lg_@88.234.13.222) |
| 16:01.37 | lg_ | hi |
| 16:02.00 | lg_ | I have a basic brlcad modeling question again... |
| 16:04.16 | brlcad | howdy |
| 16:04.54 | lg_ | is there any way to do some basic geometrical analysis on cgs-made shapes, such as finding intersection points etc? |
| 16:04.59 | lg_ | hi brlcad! |
| 16:05.47 | brlcad | lg_: yes there are |
| 16:06.09 | lg_ | at the moment i am doing everything on paper or in 2d cad and use the resulting coordinates to model in brlcad |
| 16:06.13 | brlcad | for that particular one, nirt is the general tool |
| 16:06.26 | lg_ | nirt? |
| 16:06.53 | brlcad | nirt fires a shotline from a given point in a given direction and reports the starting/ending hitpoints as well as thicknesses |
| 16:07.14 | brlcad | if you don't specify the start/dir, then it uses the viewing direction |
| 16:07.58 | brlcad | other analytic tools include "rtcheck" to determine if there are any overlaps, takes a grid size -s parameter (defaults to 50x50 or 512x512 depending on version) |
| 16:08.15 | lg_ | say i have to spheres that intersect and i need the points where the intersection starts and ends as coordinates |
| 16:08.18 | lg_ | two spheres |
| 16:08.21 | lg_ | ;-) |
| 16:08.41 | brlcad | another is rtweight which when you've correctly modelled regions, and denote material properties and provide a density file, computes the weight/mass, volume, center of gravity, etc |
| 16:09.40 | brlcad | lg_: for that case, I'd shoot a ray from the center of sph1 to the center of sphere2 |
| 16:09.40 | brlcad | that should give you exactly the start and end |
| 16:09.56 | lg_ | a |
| 16:10.25 | brlcad | that one is actually so common that there's a script floating around that computes it all for you when you specify the two spheres |
| 16:10.31 | brlcad | but I don't have it on hand atm |
| 16:10.59 | brlcad | i can look for it after the weekend more easily |
| 16:11.53 | lg_ | is there any kind of howto for doing these kind of construction steps? in other cad's, one uses things like object snaps, but it makes brlcad really hard to start with when you do not know how to start |
| 16:13.45 | brlcad | lg_: alas, that's a lot of the introductory polish and user friendliness that hurts brl-cad .. most of the tricks of the trade are learned by turning to the expert modeler in the office next door who has done it 50 times and knows the fastest way |
| 16:14.01 | brlcad | or you find out via the two week training courses in person |
| 16:14.32 | lg_ | next door there is a primary school teacher living |
| 16:14.58 | brlcad | from a world-wide product perspective, we're only starting to acquire that sort of "self-help" stuff |
| 16:15.01 | brlcad | hehe |
| 16:15.37 | brlcad | the irc channel, forums, and lists are a good start, but I agree there needs to be more self-guided instruction |
| 16:17.14 | brlcad | that's actually one of the things that's hard to convey (and even describe) that gets lots in many users first impression of the package.. you *can* do most of the things one needs (presuming it relates to solid modeling) just finding out how to do it is generally expert knowledge shared by word of mouth |
| 16:18.16 | brlcad | something i'm definitely trying to address in the new interface, more self-describing tools and if anything just make it easier to discover what tools/commands/buttons do what and how to use them |
| 16:18.18 | Maloeran | But fortunately, brlcad's voice can be heard throughout the universe for anyone who desires so |
| 16:19.42 | Maloeran | I think your patience is impressive really, especially with IriX, but... |
| 16:20.44 | louipc | how about a wiki? |
| 16:23.36 | brlcad | louipc: already working on it |
| 16:23.41 | brlcad | the whole website actually |
| 16:23.55 | brlcad | what's up there was just splash n' dash |
| 16:24.10 | brlcad | there's another layout with all the bells and whistles coming together |
| 16:24.22 | brlcad | this current release is actually all that's holding it back |
| 16:27.26 | louipc | awesome |
| 16:30.30 | lg_ | getting curious |
| 17:04.42 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/src/libbu/Makefile.am: htester needs tcl and libm |
| 17:06.03 | CIA-7 | BRL-CAD: 03brlcad * 10brlcad/configure.ac: non-mac tcl compiles against libdl, so add it as a dep in here (since we're static) |
| 19:53.29 | *** join/#brlcad IriX64 (n=mario_du@bas3-sudbury98-1168050967.dsl.bell.ca) |
| 19:56.19 | *** part/#brlcad lg_ (n=lg_@88.234.13.222) |
| 20:33.59 | IriX64 | erf there's one in the win directory, allows a compile and link, but... |
| 20:35.11 | IriX64 | won't run properly. |
| 20:51.20 | *** join/#brlcad docelic (n=docelic@212.91.114.73) |
| 23:49.25 | Maloeran | What does the acronym "MTB" stands for? Google isn't helping |
| 23:50.04 | Maloeran | If knowledge of the context could help, it comes from Mark |