The expression 'sampleImage' is what makes my computer unusable if the length of the model is long more than 2.5 minutes

I'm using sampleImage to extract the music data and convert it into digital values AE (captures the values of RGBA of the area within a null value at the top of an audio spectrum). This allows me to automatically animate particles in Trapcode particular to any song. If you're wondering why I'm not just using plugin Trapcode Sound keys... Well it's just not as good in my opinion. Here's how to set my expressions:

It is in the clock of a slider on a null value, called "Final outcome"-

P1 = toComp (effect ("Control Point") ("Point"));

P2 = toComp (effect ("Control Point 2") ("Point"));

w = Math.abs(p1[0]-p2[0]);

h = Math.abs(p1[1]-p2[1]);

a = toComp (transform.anchorPoint);

the effect '(Layer Control')("Layer");

m = effect "(Mulitplication amount")("Slider");

s = l.sampleImage (a, [w/2, h/2]);

[3] s * m; -The final values is only between 0-1, so I have a multiplication slider to increase the values accordingly

From there you pouvez selector everything you want at these values of "Final result", and it will be animated to music. To keep the range of the values proportional to the parameter that I am animating, this term is used on the parameter-

x = thisComp.layer("Range_1").effect ("Final Output") ("Slider");

Linear(x,0,45,0.05,2);  -The parameter in the circumstances here can be between 0 and 2

This configuration works WONDERS for roughly the first minute of the rendering time comp. are extremely fast... but as soon as I change my workspace to launch a preview of ram, spent some time (usually after the first minute), it's like my computer chokes and each image takes about 5 seconds to render. Here is a short video showing me the problem. You can see the first 3 attempts are spotless, but the 4th at the 1:30 mark in the model takes incredibly long to make. Also, the lower the model I'm going, plus it takes to make.

Note: There is no change in the model beyond that point. If I simply remove the expression and leave particles fly out randomly, the remains of preview ram lightning fast throughout 5 minutes comp. rendering engines Changing doesn't seem to help what it is.

Here are my specs:

Latest version of CC

8.1 Windows pro x 64

I7 4770 k

12 GB of ram

EVGA GTX SC 2 GB 760

256 GB SSD for Windows and applications

1 TB SSHD for projects and cache

Thanks in advance!

First step: try it in the new version (today) 13.5. The expressions have been revised.

Updated, make sure that you choose the option to keep the old version, there are a certain plugin incompatibilities of 3rd party with 13.5. Projects are forward & backward compatible between 13.2 and 13.5.

-DaveS

Tags: After Effects

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