Hi John or anyone else who knows... 

I am making movie brushes, on my PC version of Studio Artist 4, and it seems like the biggest size I can make a movie to use as a movie brush is 300 x 300 px.  If I make a movie bigger, and/or not square, it does not work, nothing is painted onto the canvas when I paint with the brush, although movies at 300x300 work just fine.  Is 300x300 px really the biggest size for movie brushes or am I doing something wrong?

Views: 222

Reply to This

Replies to This Discussion

OK I have figured something out, maybe it is a bug?  On my mac version of SA 3.5 I can use a 640x480 movie as a movie brush, but the same movie does not work as a movie brush on my Windows PC SA4.  Any ideas?  I would try it on my other mac laptop that has SA4 on it,  but that one is having major problems and freezes up on startup, so I can't try it right now.  The mac I am using with SA 3.5 is my older laptop.

I've definitely used movie brushes with larger frame sizes than 300x300 pixels on a regular basis.

Here's a test i just ran using a 1024x1024 movie brush.

And i've used larger frame sizes when working with source movies for stack filtering with temporal ip op effects. And the aspect ratio shouldn't make any difference. Unless you are using some codec that has restricted frame sizes (avid comes to mind in that regard).

In V4, if the movie frame size if larger than a set default, Studio Artist automatically switches the MB Load Status from preload to disk draw. Preload loads the entire movie into ram memory, which will chew up ridiculous amount of memory for large frame sizes or a large number of frames in the movie. I'm not sure if 3.5 is smart about doing that. So you might want to set it to disk draw before loading a new movie brush if you are working with memory intensive movies. Preload decompresses each frame, so the memory footprint of a preloaded movie brush is going to be way larger than what you see for a compressed movie file.

Also, the entire brush cache is memory allocated (as defined in Brush Modulation control panel based on the base frame size for the movie). So you might want to check what you have that set to. Remember, the number of brush cache memory allocations is the # of sizes times the # of orientations. And i've seen people do things like set the max brush size to some large number greater than 100% for weird reasons. So that's a way to chew up ridiculous amounts of memory for the brush cache allocation if you do are careless about you have the Brush Modulation control panel setup.

I am of course using a mac for my testing right now. I'll hunt down a windows machine later today and try some tests there, but i'm unclear on why that would make any difference.


Latest Activity

Danny Ceunen commented on Bernard Bunner's photo

MSG Abstract7 / ArtCam

"nice work to lasercut in color acrylic"
7 hours ago
mark g commented on mark g's photo

Leonardo's lost sketchbook. 4. Robby the robot

"actor..was in 'Titanic'...and painted a woman, which is apparenty famous....hangs in the LOUVRE..: )"
Paul Perlow posted a photo
Synthetik Software replied to Adrion T. Kelley's discussion Matching colors from Source Image to .png's from Mosaic Image Folder
"If you have very specific requirements for how you want the image folder brushes to be laid own in the canvas, and if the RGB Match brush indexing doesn't do the job you want, you could build selection masks and run multiple passes with the…"
Synthetik Software replied to Adrion T. Kelley's discussion Matching colors from Source Image to .png's from Mosaic Image Folder
"So i'm confused about what you are trying to do.  The RGB Mapping frame modulator in Brush Source is going to choose the image that gives the least RGB error when matched to the source color where it is being placed down.  You have it…"
Synthetik Software replied to Adrion T. Kelley's discussion Matching colors from Source Image to .png's from Mosaic Image Folder
"Well, if you look in the Brush Modulation control panel, you will see that you are using the source Image Orientation to modulate both the size and the orientation of the brush nibs. So if you set the Size Modulation to None, then there will be no…"
David Buckle posted photos
Jean Detheux posted a video

Variation 19 FB image sequence from Jean Detheux on Vimeo.

Variation 19 FB image sequence

Image sequence built with individual images pulled from the Variation 18 video posted on Facebook, the images are being used based on the viewers' reaction. More info here: https://vimeo.com/showcase/5641128 At first, the 32 videos will be posted…

© 2020   Created by Synthetik Software.   Powered by

Badges  |  Report an Issue  |  Terms of Service