Questions tagged [after-effects-scripting]
Questions about using the After Effects scripting API using Adobe Extendscript. Do not use for questions that are about expressions, they are NOT the same thing.
41
questions
0
votes
0
answers
6
views
After Effects replace 3d layers in existing comp from new comp
i'm using the "run script" function in After Effects to run a .jsx, it creates a new comp that contains keyframed cameras and Nulls as 3D Objects. These Cameras and Nulls come from Blender.
...
- 101
0
votes
1
answer
26
views
How do I make a numbered list in adobe after effects?
I need to make an animation with a numbered list. So that the squares with the text "Task 1, task 2 ..." move to the left and the first one disappears from the left, and then the next ...
1
vote
1
answer
143
views
How to get the number of options in a drop-down list (After Effects script)?
I'm trying to create a script that randomly selects an option from a drop-down list.
For that I use a randomly generated number as the index of the set value. The issue is that if it tries to select ...
1
vote
0
answers
35
views
After Effects: Add a Null to a point of two path's intersection
I'm looking to position a null at the intersection of two paths. I'm creating a bending elbow rig with irregular shapes, and I wanted to be able to place something in the crease of the elbow as it ...
- 11
0
votes
0
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130
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How do I clone layers in Adobe After Effects
Thanks in advance for your input.
First, I have a composition that has one square in it that has opacity and scale keyframe automations. This composition is named Square and is 25px by 25px.
Square ...
- 101
1
vote
4
answers
3k
views
FX Console plugin for After Effects not working on M1 Macs
The (very useful) VideoCopilot plugin FX Console doesn't appear to work with M1 Macs with After Effects CC 2022. Is there any workaround?
When you open the plugin in After Effects, this error appears ...
- 8,162
1
vote
0
answers
99
views
After Effects: Moving Protected Areas from a parent compositions in time
I recently learned about the neat responsive design feature in after effects called "protected areas". While understanding the need and basic functionality of that feature, I am still ...
- 615
0
votes
1
answer
94
views
Adobe premiere Pro or After effects: is there a way to to programmatically make cuts?
Wondering if there was a way to make an automated cuts programmatically (e.g.) show time ranges [0-1:00, 2:00-2:15, etc..]
If I have a 1 hour long video and I know by time code for each cut and wanted ...
- 1
1
vote
0
answers
26
views
How to write an expression for the following [Pop In object]?
Pop In object (@ 17s)
I'm fairly new to Expressions, I'm trying to attain this effect with expressions. I tried using the inertial bounce code on the net
n = 0;
if (numKeys > 0){
n = nearestKey(...
- 111
2
votes
0
answers
55
views
How to count datapoints in a JSON file with expressions in After Effects?
I load a JSON file with expressions in after effects. I need to know the number of datapoints in that JSON file for further processing.
How can i count (or index?) Them with expressions?
- 121
1
vote
0
answers
1k
views
How to Programmatically Create Video Template (from barchart racer to kpop line count)
I have seen tutorials on how to generate barchart racer animations programmatically using languages like Python, once you script it, next time, you just need to load the load and the animation will ...
- 111
1
vote
2
answers
60
views
Rendering video with custom data provided by user
I want to create a website where the user could input some data like texts, images, and based on that the video that contains that data will be rendered and downloaded.
Is there any services that ...
1
vote
0
answers
370
views
How to link multiple keys to different sliders in After Effects
I'm a newbie with After Effects expressions, I need help with link few keyframes to different sliders on Null.
I found this expression and its work with 2 keypoints.
if (numKeys > 1){
t1 = key(1)....
- 11
1
vote
1
answer
25
views
Access a precomp as a CompItem not as an AV Layer
In this case, I am selecting a precomp in the timeline but the problem is that this code below returns the AVLayer object instead of a CompItem object. How can I select the layer but get it as ...
0
votes
3
answers
484
views
How to change value in After Effects when passing marker
I am running into an issue where I want to change the value of my slider controller (just adding 1) each time it passes by a marker. This is my current code
if (marker.numKeys > 0) {
value = ...
- 3
1
vote
1
answer
59
views
Calculate after effects composition un-stretched time
How can I get or calculate the original current composition time of a time-remapped or stretched layer?
My composition has both stretched and non stretched layers and I want to display the current ...
- 133
0
votes
1
answer
558
views
Stop children from scaling by parent scale
So I have a composition with a single image that has this expression attached to its position:
[thisComp.width - 100, thisComp.height - 100]
All this expression does is makes my image to be located ...
- 101
0
votes
0
answers
76
views
How to sync Markers Comments between root Control Null & nested-in-comp-Null / Layer
Hello Fellow VFX / Motion Designers,
I have spent a large amount of time going in circles trying to self-solve this one but time on the project is running low on time so I must ask the elder hive-...
1
vote
0
answers
48
views
Need a script to import Rotoscoping mask
I am looking to perform rotoscoping on one of my videos.
I have found Clearvid.io online service that performs rotoscoping. They provide the points of the resultant masks of rotoscoping in a text file ...
- 11
0
votes
1
answer
106
views
Automate video production with After Effects CC
I am tasked to produce ~100 videos of 10 minutes in After Effects. The videos will later be commented by voice, and I am tasked only to make the "motion" part.
Each video use:
about 30 "image" ...
2
votes
1
answer
364
views
Animate a Slider With Json File Import?
So let me explain, I have a json file with numbers and the duration of how long each number should be displayed which is 4 seconds.
I want the slider to show the first number (which is 1,000) and then ...
0
votes
1
answer
477
views
After effects | How do I copy an image source from layer to another programatically?
My comp setup is as follows:
- layer 1: image
- layer 2: duplicated from layer one
I'm looking for an expression or any other method (Could be a plugin recommendation) so when I change the image of ...
- 103
0
votes
1
answer
41
views
Is it possible to modify a single precomp instance via scripting?
The Setup
- PreComp1
-- PreCompLayer1
--- simpleRectangleLayer
- Main Timeline
-- layer1
--- [PreComp1]
-- layer2
--- [PreComp1]
Question
Using only scripting is it possible to modify the inside ...
- 137
1
vote
2
answers
351
views
After Effects - Can Expressions read from Extend Script?
Backstory
I'm trying to learn about After Effects' different abilities.
Question
If I make a function using extend script like so
function alertStuff() {
alert("stuff")
}
Can I call this ...
- 137
2
votes
1
answer
106
views
How to move a layer using a slider control?
I'm trying to create a mogrt file that has the option of moving a layer using a control (instead of just moving it on the timeline).
Is there a way to create a slider control for example that allows ...
- 236
1
vote
1
answer
767
views
Adobe After effects watch folder render all composition
I am saving an After effects file in a watch folder which is being watched by Adobe media encoder using extendscript , the problem is all the compositions are rendered to a video by adobe media ...
- 81
2
votes
1
answer
146
views
help to animate an lower thirds that's positioned by expressions
I'm new to using expressions in after effects and I've also hardly touched Java before. However using some online tutorials and common sense, I managed to create a lower thirds title graphic ...
- 378
0
votes
3
answers
8k
views
Use markers in After Effects as triggers for a particular animation
I have a one precomp animations (from stocks). And I am searching for a script /expression that will automate a certain animation for my project.
I have a long videos with premade subtitles srt file ...
- 1
1
vote
1
answer
358
views
using images as text characters in after effects
I've made a series of comps each representing a letter from the alphabet.
Is there an expression or plugin where I can convert the relevant text character on screen to be replaced by the appropriate ...
- 8,162
0
votes
2
answers
1k
views
Automate After Effects assets rendering via script and external data
I am often rendering quite large sets of assets (lower thirds, titles, etc) from AFX and it's really annoying to eg create lower third and then duplicate it and change texts. Especially when I later ...
- 348
1
vote
0
answers
126
views
Is possible to pass variables from premiere to after effect compositions?
One of the latest features put inside AE & PR 2017 is the Live Text Edits..
In short you can mark an after effect composition as template and then all the texts inside that composition will be ...
- 1,720
0
votes
2
answers
522
views
After Effects automation and annotation tools (scripts) for student work
I need a professional advice for self-assessing among students. I am searching for a tool (script or scripts) that helps annotating very long videos in After Effects. I also would like to automate the ...
- 3
1
vote
1
answer
3k
views
set scale in pixels in After Effects using Expressions
You can right click on a scale, hit Edit, and then enter scale in Pixels, inches , % of Comp, of source....
I would like to set the scale in pixels. How can set the units using expressions?
I tried ...
- 151
2
votes
1
answer
6k
views
Control key frame value with slider control
I have an object in After Effects comp and I need its scale to change from keyframe A to keyframe B and I need keyframe A to have value of 95% and keyframe B value of whatever is set via slider ...
- 348
1
vote
1
answer
2k
views
Link audio to opacity effect of an image in After Effects
I have 3 audio files from a podcast. 1 file from Steve, one from john, and the other is from me.
I have a composition with the three audio files and also 3 png images of our faces, one for each of ...
0
votes
1
answer
99
views
What properties of After Effects project can be edited without opening the application itself
I found myself in position where I need to render 6(or more) layers in different order. For example in 1,2,3,4,5,6 then 4,2,1,3,5,6 and so on. Some of the layers blend with the former or later one. It ...
- 151
2
votes
1
answer
3k
views
How to programmatically personalize video? [closed]
this article shows an impressive implementation of how to programmatically personalize video.
"Everybody received their ‘own’ version of the video."
How would I realize a similar solution? Which ...
- 143
2
votes
1
answer
758
views
Change Output file name in AfterFX .jsx script
I am rendering a project several times, and use a script to change some of the input. However, I have not figured out how to change the name of the output file in the script.
This is basically my ...
- 143
1
vote
1
answer
4k
views
How to loop outer glow layer style in After Effects?
I have a layer in After Effects to which I have applied an outer glow as a layer style. Ideally I would like the glow to turn off and on, in a loop, starting at a point in time and then stopping. Is ...
- 113
1
vote
0
answers
843
views
Expressions: Data-generated After Effects Graphic using CSV file?
Is there a way to read a CSV file or spreadsheet containing dates in timecode in one column and data in another column, then use the time/date to pair with footage to display the corresponding data?
...
- 121
3
votes
1
answer
117
views
Scripting - Where is the documentation for the Layer#Effects attribute?
I have been trying to make a script that will automatically apply an effect to the selected layer. So far, it looks like this:
var myLayer = app.project.activeItem.selectedLayers[0];
I have seen ...
- 161