IRC log for #brlcad on 20130429

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14:17.48 brlcad waves
14:21.23 rays2pix Good Morning Sean - This is Deepak
14:22.07 rays2pix I am working on defining the generic civ_image struct ..planning to have it as a superset of all image formats we are going to support
14:22.54 rays2pix as far as the methods to operate on this I am confused on how to choose "what are all the methods we can pick up integrating an external library like cdx/image magick"
14:24.01 rays2pix i meant cximage not cdx.. and I didnt get time to go through that source..may I know whether there is any particular reason for recommending it as a integration choice
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15:48.49 brlcad rays2pix: excellent, but I'm not sure what you're asking
15:49.28 brlcad are you're asking me whether you should integrate a particular 3rd party library? :)
15:50.29 brlcad that question is ill-defined as-is
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16:09.51 rays2pix brlcad: sorry had to go out.. Yes it was the question~ thanks for understanding. Currently as you suggested earlier I will focus on designing the generic icv_image
16:10.38 rays2pix brlcad: if thats the case we can make the decision about integration later when I get time to do more research on it
16:10.50 rays2pix right now end semester times, testing times in student life:(!
16:12.26 brlcad rays2pix: that question can't be answered without understanding what another library offers
16:12.30 brlcad or inspecting how it's designed
16:12.37 brlcad or looking at its dependencies
16:12.43 brlcad and other factors still
16:12.49 rays2pix sure i understand that, I have few libraries in mind. Will do that study later.
16:13.02 rays2pix just thought of checking with you guys whether you had that info. no probs
16:13.15 brlcad I have tons of info, but that doesn't help you help me
16:13.21 brlcad or help you write a proposal :)
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16:13.37 rays2pix sure thanks for keeping my life simple:)!
16:14.18 brlcad if you're too busy to make a solid application, how are you going to not be too busy to successfully participate? :)
16:14.39 brlcad being too busy is the single most common reason people are failed
16:15.01 brlcad so I wouldn't be helping you anyways
16:15.20 ncsaba Hi all
16:15.24 brlcad you could conceivably get in and get failed right away
16:15.25 rays2pix From May 22 I will be free from academics, I will yet strive to give my best possible proposal
16:15.52 rays2pix right now I wish i had more time to sit and go through various image formats , but clearly I dont have that much time
16:16.01 brlcad rays2pix: so no other internship, part-time job, or student activities this "summer"
16:16.05 brlcad ?
16:16.09 brlcad hi ncsaba !
16:16.25 rays2pix brlcad: No If selected in GSOC its going to be GSoc+ self study
16:16.28 brlcad rays2pix: I pointed you at the one library that was the most important to look at if any
16:16.47 brlcad what does self study mean?
16:17.00 ncsaba brlcad: I see you're real busy with GSOC :-)
16:17.14 rays2pix brlcad: picking up something of interest and studying about it
16:17.57 rays2pix brlcad:If not selected in Gsoc will still try to find ways to code and get more time for self-study!
16:17.58 brlcad ncsaba: yeah, this time of year is always a little hectic when we participate :)
16:18.56 brlcad rays2pix: that's kinda vague, but okay..it's good to have interests
16:18.58 rays2pix brlcad: l will come up with the proposal update and will get your feedbacks from there.
16:19.09 brlcad forewarning that GSoC tends to take up all of your time...
16:19.14 brlcad I assume you haven't particiapted before
16:19.22 ncsaba brlcad: bad timing for my own impatience :-P
16:19.36 brlcad ncsaba: oh? you waiting on something?
16:19.44 brlcad my mailbox has a bit of a backlog at the moment
16:19.55 rays2pix brlcad: yep this is my first attempt, I have no issues if its going to consume time! I dont have any other assignments
16:19.56 brlcad sorry if I overlooked something recent
16:20.26 rays2pix brlcad: by self study i meant picking up some books which I reserved for leisure like this one "Computational beauty of nature"
16:20.34 ncsaba brlcad: I uploaded a patch with the surface/volume/centroid functions for the pipe primitive/analyze command
16:21.40 ncsaba and looking for some heads up/down on continuing with the pipe primitive + making analyze more model/view structured
16:23.07 ncsaba I see a lot of potential in using the analyze infrastructure to allow more extensively querying the primitives for key structural elements (center points, tangent lines, etc.)
16:23.41 brlcad yeah, I agree
16:24.27 brlcad we'd like to expose some of that into a library as well (libanalyze or libgqa)
16:24.37 brlcad for fully generalized behavior
16:25.04 ncsaba for the pipe primitive for example right now I would have a need to get the center points of the bent segments, to place there some other elements
16:25.10 brlcad i reviewed your first patch and except for the indents it looked good, but haven't looked since you started the analyze hook
16:26.23 ncsaba well the next patch is trickier, has some math which hopefully is right, and some trickery for the surface discontinuities
16:27.11 ncsaba BTW, is there some equivalent of the volume calculations done by gqa, but for surface ?
16:28.10 brlcad nope, but that's one of the extensions envisioned
16:28.22 ncsaba hmm, I could have a look
16:28.42 ncsaba I need a way to confirm the correctness of the surface calculation
16:28.48 brlcad gqa itself does sampling and refinement for volume, so it'd have to do a completely different refinement sampling for surface area (curvature-based)
16:28.57 brlcad we have lots of ways of doing that
16:29.13 ncsaba I will have to read that code
16:29.14 brlcad comparing to primitives, for example, where we know exactly
16:29.46 ncsaba yes, simple cases work fine, but I'm lazy to check the more complex ones
16:30.43 ncsaba I would rather spend a week to write some surface sampling code than 1 hour calculating manually for a few known ones ;-)
16:30.45 brlcad easy to build up ones where an exact answer is known
16:31.01 brlcad can also compare to polygonalization
16:31.18 brlcad which should converge and is directly evaluatable
16:31.31 ncsaba ok, that last sentence I'm not sure I understand
16:31.39 brlcad no worries
16:31.51 brlcad just to know that we have several ways to test an implementation should the time come :)
16:32.08 brlcad and now lunch!
16:32.23 ncsaba ok, good appetite then :-)
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16:54.28 Notify 03BRL-CAD:bob1961 * 55263 (brlcad/trunk/src/tclscripts/archer/Archer.tcl brlcad/trunk/src/tclscripts/archer/ArcherCore.tcl and 4 others): Modified mged's pattern tool for use in Archer. Moved the relevant files from tclscripts/mged to tclscripts/lib.
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17:15.33 priyanka_ Hello all, I am interested in GSoC Project "Cross Platform Framebuffer" . I have some queries regarding this. 1) Project require making framebuffer in Qt ? 2) Which patch need to submit in order to show that I understood the problem well and can contribute? Any startup help?
17:15.39 priyanka_ Please do reply
17:32.18 Notify 03BRL-CAD:bob1961 * 55264 brlcad/trunk/src/tclscripts/archer/ArcherCore.tcl: Added aliases for blast, draw and erase (i.e. B, e and d, respectively).
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18:04.41 d_rossberg priyanka_: 1) Qt is an example for a cross platform GUI toolkit. You may use this or any other such library with BRL-CAD compatible lizense. 2) You can find some ideas for a patch in the TODO file in the BRL-CAD repository.
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18:14.10 ``Erik http://www.pcworld.com/article/249951/if_it_aint_broke_dont_fix_it_ancient_computers_in_use_today.html
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18:43.53 Izak Heyy there
18:44.12 Guest83358 brlcad are you there ?
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18:46.05 Izak_ Hmmmm
18:46.07 Izak_ hsdhhs
18:46.13 Izak_ sdhsdjkcsnds
18:46.26 Izak_ trying to
18:48.00 Izak_ Ch3ck_: How far?
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18:53.30 zero_level what are the third party libraries used in brlcad.. just wanted to see the grasp of how they are documeneted and how are the api calls made for those libraries in BRL-CAD code..
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18:59.39 zero_level hey.. i think my chat has been buried between the login details.. here is a copy of that
18:59.40 zero_level <PROTECTED>
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19:11.43 kanzure no, you don't need to repeat yourself.
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19:35.15 zero_level @kanzure. ok.. i saw too much zitter due to quit and joined status..
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20:05.11 hawthorn hello i am back
20:09.50 Notify 03BRL-CAD:carlmoore * 55265 brlcad/trunk/src/librt/primitives/nmg/nmg_tri_mc.c: fix warning about long unsigned
20:11.50 *** join/#brlcad Ch3ck (~Ch3ck@41.205.13.230)
20:12.42 Ch3ck Hey guys
20:26.56 navdeep hello
20:28.25 navdeep I wan to work with project idea material database for GSOC.
20:29.59 Ch3ck nice meeting you navdeep
20:30.29 Notify 03BRL-CAD Wiki:NyahCh3ck20 * 5123 /wiki/User:NyahCh3ck20/Proposal: /* Background Information */
20:31.55 navdeep Help me from where I can found material database project previous work.
20:32.11 navdeep I want to review the project code.
20:32.55 Notify 03BRL-CAD Wiki:NyahCh3ck20 * 5124 /wiki/User:NyahCh3ck20/Proposal: /* Overall Structure Pull routine */
20:33.42 Notify 03BRL-CAD:carlmoore * 55266 brlcad/trunk/src/sig/dconv.c: add 'file' because the code is looking at that argument as a file name
20:33.56 Notify 03BRL-CAD Wiki:NyahCh3ck20 * 5125 /wiki/User:NyahCh3ck20/Proposal: /* Deliverables */
20:39.24 Notify 03BRL-CAD Wiki:NyahCh3ck20 * 5126 /wiki/User:NyahCh3ck20/Proposal: /* Development schedule */
20:39.46 Ch3ck nav_deep: have you downloaded the source code.
20:40.54 Notify 03BRL-CAD Wiki:NyahCh3ck20 * 5127 /wiki/User:NyahCh3ck20/Proposal: /* Time availability */
20:41.43 navdeep Ch3ck : No, I don't know where to download the source code.
20:42.07 Ch3ck ok when did you sign up for the brlcad project?
20:42.16 Ch3ck what OS are u using ?
20:42.35 navdeep CH3ck : I am using linux OS
20:42.57 Ch3ck ok let me give you the link so you can download from the terminal?
20:43.01 Ch3ck ok by u ?
20:43.16 navdeep Ch3ck : yes
20:43.22 Ch3ck ok
20:43.28 Notify 03BRL-CAD:carlmoore * 55267 brlcad/trunk/src/sig/dconv.c: simplify the programming, and push 'N =' and 'L =' downward
20:44.28 Ch3ck navdeep: first of all have you subscribed to the mailing list?
20:45.27 navdeep I have subscribed the BRL-CAD mailing list
20:46.07 Ch3ck ok
20:46.24 Ch3ck let me give you the svn link you just execute on the terminal..
20:46.34 navdeep Ch3ck : Soon I will Introduce myself with my project idea
20:46.49 navdeep Ch3ck : ok
20:46.53 Ch3ck ok
20:47.08 Ch3ck you'll have to work faster since applications end by Friday.
20:47.55 navdeep Yes I will work day and night for this.
20:48.16 Ch3ck ok
20:48.19 Ch3ck here is the link:
20:48.22 Ch3ck svn checkout https://brlcad.svn.sourceforge.net/svnroot/brlcad/brlcad/trunk brlcad
20:48.33 Ch3ck just execute at the terminal
20:48.42 Ch3ck it'll download the latest src
20:52.58 zero_level @check.pls help me with this.. "what are the third party libraries used in brlcad.. just wanted to see the grasp of how they are documeneted and how are the api calls made for those libraries in BRL-CAD code."
20:53.45 Ch3ck zero_level: do you have the src?
20:53.50 zero_level yes
20:55.59 Ch3ck ok
20:56.20 Ch3ck zero_level: well for brlcad: much of it was written from scratch
20:56.35 zero_level yes that is what i found..
20:56.51 Ch3ck from what i don't really see much of them
20:57.04 zero_level are there are no third party libraries shipped with the src.. i could find none..
20:57.06 Ch3ck almost all the routines, data structures and the rest
20:57.06 vladbogo hi all
20:57.12 Ch3ck are custom made.
20:57.23 Ch3ck yeah
20:57.32 Ch3ck vladbogo: hi
20:57.35 vladbogo zero_level I don't know exactly what you are looking for
20:57.44 vladbogo but I can suggest you a tool
20:57.48 vladbogo maybe it helps
20:57.58 vladbogo it's called ack-grep
20:57.59 zero_level so is it some policy... or it is fine to write a propsal which helps uses some third party libraries
20:58.25 vladbogo you can use it to search in all folders what are you looking for
20:59.04 Ch3ck well from what i see there are little or no third party libraries in brlcad.
20:59.26 vladbogo something like ack-grep "test" searches all references of test in all dirs and subdirs from where you lunch the command
20:59.55 vladbogo it also says in which file the occurrence appeared
20:59.59 Ch3ck vladbogo: well that works if zero_level knows exactly
21:00.07 vladbogo yes
21:00.08 Ch3ck what he is looking for.
21:00.14 Ch3ck so in his case
21:00.18 Ch3ck that's different
21:00.22 Ch3ck so would be difficult.
21:00.35 vladbogo maybe it helps
21:00.50 vladbogo for me made the navigation in code much easier
21:00.52 Ch3ck well may be..
21:01.08 Ch3ck vladbogo: how is your application going.
21:01.33 zero_level @vladbogo i have checked for most of the libraries (i know of ) using the grep tool in ubuntu.. didnt get any.. therfefore i tried asking it on the IRC ..
21:02.16 vladbogo I've finished a first form of it and now i want to improve it
21:02.27 Ch3ck vladbogo: yeah me too..
21:02.36 Ch3ck brlcad gave me some quick fixes
21:02.40 Ch3ck which i have done.
21:02.43 zero_level @ch3k and @vladbogo if my proposal uses some third party libraries and as i see brlcad was written from raw.. so is it some policy or thy are open to third party libraries..?
21:03.09 Ch3ck zero_level: well i don't know but have you read the Hacking file?
21:03.42 vladbogo zero_level: I don't know, I am a GSoC student
21:03.57 zero_level do you mean readme on the man folder.
21:03.58 zero_level ?
21:04.37 Ch3ck me too
21:04.44 Ch3ck there is a hacking file
21:05.42 Ch3ck well the read me should have some info about that.
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23:06.38 Notify 03BRL-CAD Wiki:Level zero * 5128 /wiki/User:Level_zero/proposal: Created page with "Personnel Information Name Mohit Daga Email Address: mohit.daga@ieee.org IRC(nick): zero_level Phone Number: +91 9783582684 Mailing Address: E#221 Ram Path, Shyam Nagar..."
23:51.35 Notify 03BRL-CAD Wiki:Level zero * 5129 /wiki/User:Level_zero/proposal:

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