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| 02:11.26 | yukonbob | hello #brlcad ! |
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| 03:30.59 | brlcad | nanicoar: heh, brl-cad is very heavily based on unix cli design principles |
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| 03:32.38 | brlcad | Ch3ck_: getting a singular matrix for pulling most matrices sounds wrong... |
| 03:33.42 | brlcad | (and the inverse of an identity matrix is an identity matrix, so no worries there) |
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| 14:44.01 | andrei_ | hello |
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| 15:18.52 | brlcad | howdy andrei_ |
| 15:18.58 | Ch3ck_ | brlcad: guess i'll have to take a new look at the problem; i just know it was rwong |
| 15:19.50 | Ch3ck_ | means rwong == wrong |
| 15:20.20 | Izakey | s/rwong/wrong is better Ch3ck_ |
| 15:20.36 | andrei_ | brlcad: you seen Daniel around? |
| 15:27.10 | d_rossberg | andrei_: i'm here |
| 15:27.20 | andrei_ | ah |
| 15:27.36 | andrei_ | Daniel, got time to look on any of my patches? prefferably the pipe interface? |
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| 15:29.01 | d_rossberg | short answer: no; i struggled with the nmg reorganization (without success) |
| 15:29.27 | d_rossberg | i'll look at them tomorrow |
| 15:29.46 | andrei_ | alright, no problem |
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| 15:41.04 | ``Erik | nifty, osx has a 'summarize' service http://www.makeuseof.com/tag/summarize-text-using-hidden-mac-tool/ |
| 15:46.55 | ``Erik | open source risc-v SoC: http://www.lowrisc.org/ |
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| 16:00.58 | aanal | hi.i am a total beginner and even using irc for the first time |
| 16:01.19 | aanal | i am interested in web-dev and geomatry. |
| 16:01.33 | aanal | i know java,php,C,html,css |
| 16:01.48 | aanal | but i think i need to learn a lot prior |
| 16:02.14 | aanal | can anyone suggest me what is the right way to begin with? |
| 16:02.44 | ``Erik | have you tried grabbing the latest source from subversion, compiling and running it? |
| 16:03.09 | aanal | yes,i have the source but hadnot run it |
| 16:04.57 | ``Erik | I'd suggest trying to use it a little before trying to improve it (maybe make some geometry and raytrace it, etc)... once you can decide on exactly what you want to do first, we can figure out the right steps to get you there... |
| 16:05.18 | ``Erik | also; plenty of good info at the wiki http://brlcad.org/wiki/Main_Page |
| 16:05.47 | mihaineacsu | be sure to check this out: http://brlcad.org/VolumeII-Introduction_to_MGED.pdf |
| 16:06.55 | aanal | thanks ``Erik and mihaineacsu for the information |
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| 17:50.19 | brlcad | ``Erik: neat, on both counts |
| 17:50.36 | brlcad | summarize is a bit wonky, but interesting how it's trying to reduce |
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| 18:27.09 | Notify | 03BRL-CAD:carlmoore * 62012 (brlcad/trunk/doc/docbook/system/man1/en/random.xml brlcad/trunk/src/util/random.c): redo the description of random, and also there's no point in turning -u on if there are already errors causing random to exit |
| 18:30.53 | mihaineacsu | why is the dbi_read_only flag set when raytracing? (context: on viewweight.c, on view_init method I'm trying to add material objects (diradd & put_internal) when it parses a .density file) |
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| 20:24.54 | Notify | 03BRL-CAD:carlmoore * 62013 brlcad/trunk/doc/docbook/system/man1/en/pix-orle.xml: touch up pix-orle, but I am stuck with -h because I can't have the source code; this it the **man** page I am fixing |
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| 20:43.08 | raj12lnm | hi folks. |
| 20:43.58 | raj12lnm | OpenNurbs function has few methods/functions which are overloaded. Any strategy for them to be supported in python ? |
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| 21:05.14 | Notify | 03BRL-CAD:carlmoore * 62014 brlcad/trunk/doc/docbook/system/man1/en/canonize.xml: fixes (limited due to lack of source code), including inserting a comma; concerned about -N option writeup, but don't know quite enough to fix it |
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| 21:42.25 | brlcad | raj12lnm: that's a really hard one |
| 21:44.52 | raj12lnm | brlcad: I don't there can be any generic approach |
| 21:45.06 | raj12lnm | ^think |
| 21:50.22 | brlcad | mihaineacsu: the file is opened using rt_dirbuild() which only needs a read-only copy of the database (so it is intentionally set read-only) ... you need to only modify the in-memory data that was read and make sure you don't actually modify the database file on disk |
| 21:51.11 | brlcad | raj12lnm: the general method if I were wrapping it with C would be to create a separate function name for each overloaded version |
| 21:51.49 | brlcad | getval(int), getval(float), getval(obj) all become getintval(), getfloatval(), getobjval() or similar |
| 21:52.07 | brlcad | no automatic way about it outside of swig |
| 21:52.13 | brlcad | at least that I know of that works |
| 21:52.16 | mihaineacsu | brlcad: and when will the changes be propagated to disk? how does that happen? |
| 21:52.49 | brlcad | mihaineacsu: none of the rt* tools should be writing to the .g file ... that'd be highly unusual |
| 21:53.41 | brlcad | there should be another tool or command that imports it proper, probably a command in mged (a src/libged change, probably a subcommand to the mater command) |
| 21:55.36 | mihaineacsu | thanks, brlcad! |
| 21:56.39 | brlcad | you might even want to start with that (a command) since it's going to be a little tricky to work with in-memory only changes until you're at least a little more familiar with the API |
| 22:02.33 | mihaineacsu | I thought the .g file always stays updated with the internal representation. Can you point me to a part in the code that does in-memory only changes? |
| 22:05.47 | brlcad | inmems are a bit of a black art .. a couple starting points are in src/librt/db_inmem.c but there are other methods |
| 22:06.36 | brlcad | basically, you'd probably end up calling wdb_dbopen(dbip, RT_WDB_TYPE_DB_INMEM); |
| 22:06.46 | brlcad | and then just write objects per usual |
| 22:07.07 | brlcad | (this is for rt*, not for a libged command) |
| 22:12.31 | mihaineacsu | also, there aren't any minor types (not that I could find) for DB5_MAJORTYPE_ATTRIBUTE_ONLY. It'd be cool if there would be minor types for materials and shaders. Do you think it's a good idea? |
| 22:13.08 | mihaineacsu | right now, I just added them to const struct rt_functab OBJ[] (under table.c) |
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| 22:22.01 | brlcad | mihaineacsu: that's a great idea and close to what we've had planned -- which is to have proper new material and shader object entities |
| 22:22.42 | brlcad | they're mentioned briefly in the TODO file under "NEW OBJECTS" |
| 22:23.15 | mihaineacsu | what about internal representation (material object), would a be bu_avs ok? |
| 22:23.16 | brlcad | having them be just a minor of attribute-only objects is a rather interesting idea |
| 22:24.06 | brlcad | i was rather thinking they'd be new first-class objects, but no reason they'd need to be that |
| 22:24.06 | mihaineacsu | I was thinking using only attributes, no body. so all traits would stick on the idb_avs pointer |
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| 22:24.44 | brlcad | even more compelling reason to have binary attributes... |
| 22:26.00 | brlcad | mihaineacsu: can you write up all your thoughts summarized on a wiki or pastebin page ? |
| 22:26.25 | mihaineacsu | I'm not sure I'm following on binary attributes |
| 22:26.29 | brlcad | what you're saying sounds okay, but I'd like to see it in a complete context |
| 22:26.31 | mihaineacsu | sure |
| 22:30.05 | kanzure | hello |
| 22:30.29 | kanzure | most of the overloaded functions in opennurbs look really boring and irrelevant |
| 22:30.43 | kanzure | just pick whatever signature is most aesthetically pleasing and functional |
| 22:31.40 | andrei_ | brlcad: out of curiosity |
| 22:31.44 | andrei_ | what is a binary attribute |
| 22:31.57 | andrei_ | sounds sort of puzzling to me |
| 22:33.05 | brlcad | attributes are key=value pairings |
| 22:33.20 | andrei_ | oh |
| 22:33.25 | brlcad | they are implemented as string to string mappings |
| 22:33.50 | konrado | My name is konrad and i am interested in working on brlcad geometry converters. I am unable find the db_ls() function which i was pointed to, what i could find was wdb_ls_cmd , i wish i could get some help. |
| 22:33.51 | brlcad | we need string to int, string to float, etc .. in binary, not string form |
| 22:34.09 | brlcad | hi konrado |
| 22:34.31 | konrado | hi brlcad |
| 22:34.44 | brlcad | konrado: where were you looking? it's declared in include/raytrace.h and the implementation is in src/librt |
| 22:35.35 | konrado | i was looking in src/libged |
| 22:38.21 | konrado | Thanks brlcad i have just found it |
| 22:41.42 | mihaineacsu | konrado: for looking up things you can use http://brlcad.org/xref/ident instead of going through a long list of search results. |
| 22:42.57 | brlcad | konrado: src/libged have several examples of db_ls in use |
| 22:45.57 | konrado | mihaineacsu: Thank for the tip |
| 22:50.52 | konrado | This is my first time trying to contrubute to the open source and working on cad which i would not cover in school so i would need lots of help to move on, and i am really encouraged with the help i am getting so far because we in africa lack motivation with repect to programming. |