IRC log for #brlcad on 20160303

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01:02.23Notify03BRL-CAD:starseeker * 67229 (brlcad/trunk/NEWS brlcad/trunk/doc/docbook/system/man1/en/CMakeLists.txt brlcad/trunk/src/util/CMakeLists.txt): Remove the pix-bw3 and bw3-pix commands - essentially obsolete, work can be accomplished with pix-bw and bw-pix.
01:23.43Notify03BRL-CAD:starseeker * 67230 (brlcad/trunk/NEWS brlcad/trunk/regress/icv/CMakeLists.txt and 3 others): Sean and I tracked down a change introduced by pix-bw using libicv's conversion routines. The new approach is an improvement (lrint rounding rather than C truncation during int->double conversion) but it will result in different pixel values when rouding decisions change. Since this potentially user visible
01:23.45Notify(albeit subtle) add a note in the NEWS file.
01:23.47Notify...
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03:35.50starseekerboj: you might need to rerun the CMake configure/generate stages - I made some recent changes that may impact mkstempx
03:36.27bojOK, let me have a try, thanks starseeker :)
03:37.10bojI have successfully build it on my mac, it works, and I can read the code now, I just want to try it on windows :)
03:38.44Notify03BRL-CAD:starseeker * 67231 (brlcad/trunk/src/other/libnetpbm/libpm.c brlcad/trunk/src/other/libnetpbm/pm_config.h.in): Tweak HAVE_MKSTEMP
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03:54.24Notify03BRL-CAD:starseeker * 67232 brlcad/trunk/src/libicv/bw.c: Use correct constant
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07:07.29Notify03BRL-CAD:brlcad * 67233 brlcad/trunk/NEWS: cliff did the actual work and it helps to fit the descriptions more tersely onto one line. this annotates the pix-bw fix that found differences when it was converted to icv where the storage format is double and lrint() is called to get an average. this resulted in a better bw, but different output. remotely related, no longer any reason to keep pix-bw3 since the exact
07:07.32Notifysame is achievable using pix-bw with an option. there may still be a need for something like bw3-pix for merging images back into an interlaced image but killing it by association. need to teach bw-pix to handle three images before release.
07:07.34Notify...
07:10.03Notify03BRL-CAD:brlcad * 67234 brlcad/trunk/TODO: need to teach bw-pix to do what bw3-pix did.
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08:23.48bojis there any tutorial on how to run all these commands?
08:24.45bojIt make me confused, I really do not know to give parameters.
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08:41.38STWstarseeker: all tests passed after i update to the newest version
08:41.59STWactually I have the same questions as boj...
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11:32.03Notify03BRL-CAD Wiki:Bwepngongn * 0 /wiki/User:Bwepngongn:
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12:07.07starseekerboj, STW: http://brlcad.org/wiki/Documentation
12:17.01starseekeror are you referring to the build system?  if so, the best available docs are here:  http://www.arl.army.mil/arlreports/2013/ARL-TR-6475.pdf
12:18.12starseekerfor the subversion VCS, this is a decent resource:  http://svnbook.red-bean.com/en/1.7/index.html
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12:19.34bojyes, I read the doc, but for example, I want to use 'rtshot', I do not know how to give the last parameter?
12:20.23bojsomething that I am not so familiar, and where I can find some instructions or demos?
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14:24.19bojHi, when reading the code(line 597 in bot.c), I can not find the definition of the function ''rt_bot_shot_float(...)", I don't know why and feel a little confused, could anyone give me a hint?
14:24.56bojor some immediate files that including the definition?
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14:46.28catchchaosHi guys! Looking to participate in GSOC '16 with BRL-CAD. I'd like to work on GPU computing. Any entry-level projects? I did notice one regarding Raytracing in the project list.
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16:39.35Notify03BRL-CAD:starseeker * 67235 brlcad/trunk/src/util/admin-db.cpp: erm - fix indexing on opt definitions
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17:13.36asnel_ulrichhello
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17:17.05asnel_ulrichplease can someone explain me how to use rtweight
17:21.22starseekerboj: I believe there are some macros used to define those parts of the code, but I don't know details
17:21.34starseekerasnel_ulrich: have you checked the man page?
17:21.39starseeker(brlman rtweight)
17:22.02asnel_ulrichyes
17:22.18starseekerasnel_ulrich: what does it not explain?
17:23.05asnel_ulrichmy real problem is with the .density file that it is supposed to use
17:36.31Notify03BRL-CAD:starseeker * 67236 brlcad/trunk/src/util/bw-pix.c: Take an initial stab at getting all the bw-pix behaviors (stdin/stdout, bw3-pix, -o output specifier, etc.) working at once.
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19:13.09tafodinho``Erik: hello please i would love to work on the general tree walker project how do i get started i have already compiled brlcad
19:13.49tafodinhobrlcad:  hello please i would love to work on the general tree walker project how do i get started i have already compiled brlcad
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21:02.00starseekerasnel_ulrich: Ah - there are example density files in the misc directory - GQA_SAMPLE_DENSITIES and NIST_DENSITIES
21:02.14starseekeryou could copy one of those to the .density location
21:39.17Notify03BRL-CAD:starseeker * 67237 brlcad/trunk/src/util/bw-pix.c: fix typo
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21:43.38patata1212patata1212, welcome to channel #brlcad. Try following commands: !Say, !Weather, !Joke, !Ip, !Imdb, !Poke, !Topic, !Join, !Part, !Timeout, !Quit, !Restart, !Help, !Update
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22:16.25Notify03BRL-CAD:starseeker * 67238 brlcad/trunk/src/libanalyze/api.c: clang static analyzer was reporting a couple of unread value errors
22:18.46Notify03BRL-CAD:starseeker * 67239 brlcad/trunk/src/libicv/color_space.c: multiple_colors being set unnecessarily (clang static analyzer)
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