This is the outside projection for Monologue Muet exhibition, a photography work by Sue Elie Andrade De.
Based on her video called The Rain, i have created the outside projection with response to physical properties, like doors and windows.
I have noticed that OpenCL4Java is already on version 1.4beta and that my examples were crashing when i ran them on a GPU device. Today i took part of my night to do something about it, so, i have downloaded the new version and after sometime i had updated the examples to 1.4beta. Also have fixed some minor problems, but that is all fixed now.
Download: http://victamin.googlecode.com/files/JavaCL_1_4b.zip
Have fun!
I finally took the time to play with OpenCL. I was motivated by the particle example from Rui Madeira. After speaking with him, he gave me a few other links on more examples like Memo Akten’s 1.000.000 particles running with mouse interaction on the GPU, the very NVidia’s first OpenCL application example, etc. I was intriged! So i took the day to play with OpenCL4Java and ported Rui’s example to Java running on Processing’s IDE. I’ve tested it with a Intel Quad core and i found the Rui’s sample to crash with GTX280 videocard. I didn’t gave it much thought but it might be for that for-loop in the program on the particle-particle iteration. In the other hand, Memo’s example ran easily on the gpu side. I should have made an example of mine, but it was easier to just port their examples and get things running. That was the main goal.
I have only tested this under Windows XP 64bit with ATI Stream SDK and Nvidia drivers. If you find any problem, please report.
One other thing: Memo’s example isn’t the real thing. It’s simply the CL program. So you won’t be able to get all the fuzzy million particles around. Not yet.
Library/Examples available here: http://victamin.googlecode.com/files/OpenCL4Java_1b.zip
Installation steps:
1. Copy the library to processing’s libraries folder
2. Install ATI Stream SDK (i have packed the OpenCL.dll file, still you might have to install the whole pack). If you’re using Nvidia, install the OpenCL drivers and toolkit
3. Open the example and run it.
Enjoy and have fun!
I have tested most of the libraries available for processing able to render video files, but i never was happy. Either it became slow, unstable or just crashing. I wanted something better, so i went looking into JMF (Java Media Framework).
During my research i came across this Pirelenito’s website with a great example on using FOBS+JMF, exactly what i needed. So i downloaded it and started working on it, putting into it a bit of myself.
So here it is, a first pre-beta version of a library capable of rendering movie files (with sound) with Java/Processing without much effort.
NOTE! I’m still having problems with a couple of codecs like DivX, Xvid, H264. It crashes on me when rendering some of these, but it works just fine for Mpeg4, PhotoJPEG, Cinepak. It isn’t perfect, but if you be careful and use the right format/codec it will go smooth. Meanwhile i will be working on a better version.
Website: www.pixelnerve.com/processing/libraries/moviegl
Library Package(s) at: : http://code.google.com/p/victamin/downloads/list
Have fun!
Credits goto Pirelenito. Thanks for sharing.
I have played with 3d stereoscopic in the past but never got to make someting good. This is still not the time sorry, but… i think its worth the post and the time. So what do we have here ?
The technique used is called ‘off-axis frustum’ a.k.a the “right way”, courtesy of Paul Bourke. If you want to read more about it you should pay a visit to his website.
2 images are rendered from 2 different point of views, creating two images with some little differences between them. The off-axis frustum means the point of view might not lie on the perpendicular line to the ‘view-area’. These 2 images are then sent to a simple shader that takes the R channel from the left-eye buffer, the GB channels from the right-eye buffer and then mixes it into a single stereo image. This is the color glasses compositing method, but it sure is possible to just send both images down the two adapters of your videocard and get the same 3d feeling (with colors) using an Head-Mounted Display or a multi-projector system of some kind.
You will need ‘Vitamin’ library. Just copy it to processing’s libraries folder as usual, and then run the project.