Forums > Jitter

Circles and squares

October 28, 2008 | 9:02 am

Dear Jitter user,

I would like to ask you for some tips. I would like to use a patch for a drama performance, where the male character is supported with square visual objects and the female one with circle ones.

I would like to use something (object, maybe external) which allows me to place the aforementioned in the matrix. I want to give them the centre of the shape (where to appear), and alter their size color, … separate.

Any help appreciated.
all the best,

Krisztian


October 28, 2008 | 11:21 am


October 30, 2008 | 7:26 pm

dear Hubert,

thank you for pointing out the jit.gl.gridshape object. I think it was this I was looking for. I came across jit.gl.sketch as well.

(unfortunately, I could not sort out where to connect the famous texcoormagic:(

The main question I could not sort out yet is:
how to use the outcome, the 3d shape on a jit.matrix so I can have an other jit.matrix in the background? (with jit.xfade for example)?

help appreciated,
best,
Krisztian


October 30, 2008 | 8:55 pm

to simplify the question>

how to I have a jit.gl.render output (3d object) and a jit.matrix output (2d moving image – like camera input) on the same screen?

// I would like to have 3d circles and scares appearing where the fastest movement are picked up with the camera//

help appreciated,
Krisztian


October 30, 2008 | 9:17 pm

Render your video to a jit.gl.videoplane, for the motion pick up the
points you want to track using one of the cv.jit objects or you
could cut up the matrix using scissors and and use jit.op @op absdiff
and jit.3m to detect the movement. Have a look at andrew bensons hold
still recipe to see what I mean.

JK
On 30 Oct 2008, at 20:55, tedor wrote:

>
> to simplify the question>
>
> how to I have a jit.gl.render output (3d object) and a jit.matrix
> output (2d moving image – like camera input) on the same screen?
>
> // I would like to have 3d circles and scares appearing where the
> fastest movement are picked up with the camera//
>
> help appreciated,
> Krisztian

Jack Keenan
3sixty-tv coordinator
Peacock Visual Arts
21 Castle Street
Aberdeen
AB11 5BQ

01224 639539

http://www.threesixtytv.com
http://www.peacockvisualarts.com

Registered in Scotland No. SC 56235
Charity No. 14840


October 30, 2008 | 9:36 pm

ha..

I have found a RENDER OVER MOVIE patch in the examples which I do not understand, but it works in a way:)


November 5, 2008 | 9:15 am

dear Jack,

thank you for the tip: jit.gl.videoplan

The examples are quite helpful.
I just could not see for a while that a rendered window can not be shown in a jit.window. Therefore you can not use jit.xfade if you want to mix the two sources.

thank you
krisztian


November 5, 2008 | 1:10 pm

I’ve never really used jit.xfade but I dont think you can use it in
gl land, you could render both your shapes and video to a matrix and
then use it though.

Cheers

JK
On 5 Nov 2008, at 09:15, tedor wrote:

>
> dear Jack,
>
> thank you for the tip: jit.gl.videoplan
>
> The examples are quite helpful.
> I just could not see for a while that a rendered window can not be
> shown in a jit.window. Therefore you can not use jit.xfade if you
> want to mix the two sources.
>
> thank you
> krisztian

Jack Keenan
3sixty-tv coordinator
Peacock Visual Arts
21 Castle Street
Aberdeen
AB11 5BQ

01224 639539

http://www.threesixtytv.com
http://www.peacockvisualarts.com

Registered in Scotland No. SC 56235
Charity No. 14840


November 11, 2008 | 7:01 pm

Dear Jack and Jitter users,

I think the best is when I just come back to you:) I am still trying to sort out how I could have a rendered window and matrix window shown on one.
I understand that they should be of the same sort, either a gl or matrix. (I hope I am right here.)

Would you suggest to render the matrix (noise rectangles) to the same name what the 3d shape window has? And if yes, how could I do it?

If you have some spare time, please have a look on the patch I attached, so you have a better understanding what I would like to do.

Help is appreciated,
all the best,
Krisztian


November 11, 2008 | 9:37 pm

… I think I have to look for jit.gl.asyncread, and then I hope I can use jit.xfade…

hope it works…
K


November 12, 2008 | 9:35 pm

:)
great it works, after hours of fiddling with the object!!
best!
Krisztian


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