Perl 6 - the future is here, just unevenly distributed

IRC log for #openframeworks, 2014-04-07

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01:47 Topic for #openframeworks is now Welcome to http://openframeworks.cc/ | logs at http://irclog.perlgeek.de/openframeworks/ 
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19:29 experiMINT helllloo!
19:29 admsyn hiii
19:30 experiMINT sorry to pop in for nefarious purposes but I had an openframworks question
19:31 admsyn sure, that's why we're here :)
19:31 experiMINT I need to use ofxVec3f, but apparently I can't include that. I used the project generator and all, with the vector graphics addon, but I'm deefinitely missing something
19:31 admsyn yeah ofxVec3f became ofVec3f quite a while ago
19:31 admsyn it's part of openFrameworks itself now, don't need to include anything extra
19:32 experiMINT ohhhhh gotcha!
19:32 experiMINT thanks
19:32 admsyn np
19:32 experiMINT so that's the same for the type as well right?
19:32 admsyn yes
19:33 experiMINT so it'd be ofvec3f force instead of ofxvec3f force
19:33 experiMINT gotcha
19:33 admsyn yeah
19:33 experiMINT much appreciated
19:33 admsyn it used to be a core addon but became part of OF itself I think at 0.8.0
19:33 admsyn hence ofx -> of
19:33 experiMINT oh oh. while I'm here. anyway to rename ofApp.cpp without messing with everything horribly or no?
19:34 admsyn yeah if you rename the file you'll be fine, if you rename the header you'll have to change anywhere that #include "ofApp.h" happens
19:34 admsyn which would be ofApp.cpp and main.cpp
19:34 experiMINT alrighty =D thanks again
19:35 experiMINT open frameworks is super pretty so I might keep working off of it. it really helps and all
19:35 admsyn good to hear :)
19:36 experiMINT what got me totally interested in it was this https://www.youtube.com/watch?v=5p6OAEVKw-0
19:37 experiMINT like I've seen a -lot- of boid demos but this was hands down the most visually appealing
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20:25 kdh-1334_ Hello just quick question. Does openframeworks support SURF from OpenCV?
20:25 kdh-1334_ like fast object detecting?
20:27 admsyn I think the static lib that comes with OF is a little old
20:27 kdh-1334_ i see thank you :)
20:27 admsyn not sure if that's a feature it comes with..there should be a way to check? I think jedahan might now?
20:27 admsyn *know
20:29 admsyn also hey U of T
20:31 admsyn kdh-1334_: https://github.com/openframeworks/openFrameworks/issues/2081
20:32 kdh-1334_ hmm got it !
20:32 kdh-1334_ thank you for your help !
20:32 admsyn np
20:41 kikko_fr from my experience the SURF descriptors didn't seem to be in the bundled OF opencv
20:41 kikko_fr but there are some fairly performant other ones
20:41 kikko_fr FREAK and ORB
20:42 kikko_fr that's what I used in this addon https://github.com/kikko/ofxCvFeaturesTracker
20:42 kikko_fr SURF would bring better performance but has a different license
20:43 kikko_fr (hey @admsyn btw)
20:43 admsyn sup kikko_fr
20:43 kikko_fr back home?
20:43 admsyn yeah just got in ~12 hours ago
20:44 admsyn you?
20:44 kikko_fr yeah arrived sunday evening
20:44 kikko_fr no jetlag but still feel half dead
20:45 kikko_fr can't imagine with jetlag
20:45 admsyn I defeated jetlag by staying up until I think 9am on the last day
20:45 kikko_fr haha hardcore
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22:03 sajjad Hi folks!
22:03 admsyn hi sajjad
22:03 sajjad I am trying to install recent OF and encountering the following issues:
22:04 sajjad 1. I already have the nvidia video driver installed and while installing nvidia driver i have blacklisted nouveau as one of the requirement
22:04 sajjad but OF is asking to install nouvaeau as its requirement, what should i do ?
22:05 admsyn I'd guess just skip that part and see what happens?
22:06 sajjad That is what i did and then went towards compiling all examples and i am getting the following errors:
22:07 sajjad sajjad@sajjad-G74Sx:~/Downloads/openFrameworks/master/openFrameworks-master/scripts/linux$ sudo ./buildAllExamples.sh  category ../../examples/gui ----------------------------------------------------------------- building  + ../../examples/gui/oscParametersReceiver make: Entering directory `/home/sajjad/Downloads/openFrameworks/master/openFrameworks-master/examples/gui/oscParametersReceiver' make: *** No rule to make target
22:07 admsyn that'd be something else, pretty sure
22:07 admsyn OSC stuff shouldn't have anything to do with your GPU driver..
22:07 sajjad Am i missing anything from my end?
22:08 sajjad Any hint to get around this issue ?
22:09 admsyn if you've installed the dependencies script I think you should be good, maybe editing out the nouvaeu part if you need to
22:09 admsyn but I'm not a linux user, myself
22:09 pizthewiz Hmm, did you download a binary release of oF or was it just the source (missing example makefiles and what not)?
22:10 admsyn looks like sajjad is on master, judging from the path
22:10 pizthewiz Ahh, in that case none of the examples have makefiles
22:10 sajjad I got the source from the master repository
22:11 pizthewiz (I always wondered if we needed some sorta script to generate the makefiles/project files… or maybe there is one already?)
22:12 admsyn sajjad: maybe give it a shot with the OF download
22:12 admsyn it's very recent
22:13 sajjad sure! ...... the master one from the Git ?
22:13 admsyn no the one off the OF site, http://openframeworks.cc/download/
22:13 sajjad ok
22:13 admsyn it's not the same thing as the master version, it has extra stuff like the makefiles pizthewiz mentioned
22:14 pizthewiz How are those makefiles / project files generated, some sort of release script?
22:14 admsyn yeah
22:15 admsyn don't ask me where :) I think it's arturo's thing
22:15 admsyn might be public, don't know
22:15 pizthewiz Hmm, in the scripts folder?
22:15 admsyn vOv
22:15 sajjad some more questions while the download isnt complete
22:15 pizthewiz Gotcha, it would be awesome if they were exposed somewhere
22:15 admsyn sure
22:15 admsyn pizthewiz: might be in the ofSite repo
22:15 sajjad Is it possible to choose the OpenGL core profile from within OF?
22:16 pizthewiz If your GPU/OS/drivers support it, yes - the shaders tutorial does a pretty good job running down the current state of GL support: http://www.openframeworks.cc/tutorials/graphics/shaders.html
22:18 * pizthewiz checks out ofSite
22:18 sajjad How about including another third party header-only library like Boost.Compute - that provides with OpenCL data structures and algorithms. Any reference to it?
22:21 admsyn do you mean a tutorial on the site or do you just want to know if it's possible
22:21 admsyn ?
22:22 admsyn there's not really anything stopping you, afaict
22:22 sajjad yes , if it possible and how ?
22:23 admsyn just like anything else, really.. with Boost you'd have to figure out how to compile it for your system, etc, but there's nothing really openframeworks-related you'd have to do
22:24 pizthewiz ????
22:25 sajjad Let back to the context..... the download is complete and am running the scripts
22:26 admsyn how's that going
22:27 sajjad The dependency script says that libdrm-dev needs to be upgraded..... does it have to do anything with the gpu driver ?
22:28 admsyn pretty sure, yeah
22:28 admsyn again not a linux person
22:28 pizthewiz Yeah I don't have a clue either - what platform / OS release are you using?
22:28 admsyn if you need to not touch your graphics drivers etc, you can /try/ to just not install the dependencies
22:29 sajjad Ubuntu 12.04, Intel i7
22:29 admsyn BUT you're probably going to get issues
22:29 sajjad so i better skip it
22:30 admsyn you might fair better asking in a linux channel if you're trying to sort out semi-obscure libs & graphics driver stuff
22:35 sajjad It compiled fine!.... Thanks
22:35 admsyn great!
23:15 sajjad Hi
23:15 sajjad I am having the following error while running one of the examples
23:16 sajjad make[1]: Leaving directory `/home/sajjad/Downloads/openFrameworks/release/of_v0.8.1_linux_release/examples/gui/guiFromParametersExample' *** glibc detected *** ./guiFromParametersExample: corrupted double-linked list: 0x09bec320 ***

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