Monday, June 17, 2013

Intersection

Here's an intersection near my place:



This is at night, about 20 minutes ago. Back to basics in Quartz Composer. Top level:



Render in Image is piling up images from the stuff contained within it, according to how those things display colour. There's also a white background, as the image coming through is a few colours and as literally nothing as you can express on a computer. Inside there:



Video Input is split, one path removes the colour and ups the contrast to near black-and-whiteness. The black goes to alpha, which is transparency. That masks the plain video so the only things that poke through are bright chunks of the image. The Blending setting of the Billboard is set to Over, so images it produces are drawn on top of previous ones. The Blending setting of the Sprite is set to Add: a smidge of really dark nearly transparent colour eventually adds up to white, producing the fade. Might have to up the Sprite colour value a little there... It's another approach to get at this, and much less of a strain on the processor.

Soundtrack...um...

9 comments:

ifthethunderdontgetya™³²®© said...

But I wanna go outside and play!
~

tigris said...

"Video player is too small"

Turns out I get disappointed when I misread "replacements" as "residents."

Substance McGravitas said...

Hmm, works fine here, Windows and Firefox.

Substance McGravitas said...

But will embiggen.

Substance McGravitas said...

But I wanna go outside and play!

You may play in traffic AFTER you eat your peas.

tigris said...

FF and Windows here, too, but no workee. I had to follow the link to youtube to discover I'd misread it.

Substance McGravitas said...

Maybe there's some kind of YouTube site preference issue, like not being able to watch in HD if the player's teensy or something. Have an Adblocker? Maybe they want to serve you a commercial.

tigris said...

I do have an adblocker, so that might be it. No prefs set for youtube. On the beta channel for FF if that makes a difference.

Substance McGravitas said...

The adblock theory is probably wrong: I see no ads and my idea was that the player might want to be big to force-feed your eyeballs. But that shouldn't be the case.