[Scott Mcgee]

Just realised when testing it, I didn’t write it the other way round.

It wants to be 0 else 100

🙂

[Scott Mcgee]

Unless you’re trying to do something else with it.

This should be fine.

if(thisComp.layer(index+1).active == true) 100 else 0;

for cc2019 as I’ve not upgraded. This should work based off what I’ve read.

if(thisComp.layer(index+1).active == true){
100
} else {
0
};

[Scott Mcgee]

Quba

I cracked it, this will work.

You’ll have to adapt to get it to work for yourself. I just wanted it to alert an object in my Json to make sure it worked.

var w = new Window(“palette”,”Test”,undefined,{resizeable:true});

var btn2 = w.add(“button”,undefined,”submit”);

var file = app.project.selection[0].file;
file.open(“r”);
var jsonString = file.read();
file.close();

var Obj = JSON.parse(jsonString);

btn2.onClick = function(){
alert(Obj.Name);
};

w.show();

Mathias helped me, but it didn’t like eval, but using JSON.parse fixed it.

So. After all that. Yes it can be done.

[Scott Mcgee]

Completely sorry.

With it being such a new feature being able to import a json file as footage. I honestly don’t know.

One would argue that if there was a way to do it via expression. That you should be able to definitely do it via script.

Sorry for misunderstanding, but I think with it being a new feature importing json as footage. It’s going to be a case of trial and error.

Mathias Moehl on adobe forums tends to be pretty good with that type of thing. If you want to try there, but all I’m find is expressions, or scripts that add expressions to layers to access the information.

[Scott Mcgee]

Ah, in that case.

No.

Alterations to comp and layer names can only be achieved via script. Or as far as I’m aware, but I’m pretty confident that can only be done by script.

[Scott Mcgee]

Unsure what you are trying to do, but if you are in cc2018 or higher.

This is an example of how you access the data from a JSON file that you bring into after effects.

txt = footage(“TEST.json”).sourceData;
txt.Name

but as for json2.js that’s a script job, as far as I’m aware you can’t do that in after effects.

Hope that helps

[Scott Mcgee]

If you want the green top layer to move on the y position.

Someone might have a better expression to link something to the edge. But this is the idea you want.

x = value[0]
y = thisComp.layer(index+1).position[1] – thisComp.layer(index+1).sourceRectAtTime().height;
[x,y]

Making sure you anchorPoint is attached the bottom of the pink layer the is scaling up. This will position it to the top part of the shapeLayer.

If you are using the scale[1]. You’ll need it to calculate the percentage

x = value[0]
y = thisComp.layer(index+1).position[1] – (thisComp.layer(index+1).sourceRectAtTime().height * thisComp.layer(index+1).scale[1]/100);
[x,y]

I’m sure someone else will have a tidier expression that works better, but this should do the trick for you if your anchorPoints are set up correctly

Hope that helps.

[Scott Mcgee]

Json is funny about spaces.

I would write it like this personally.

txt = footage(“Country.json”).sourceData;
txt[“Country Name”]

The above then allows for spaces.

Normally if you didn’t have spaces in Country Name like this (Country Name), it would look like this.

txt = footage(“Country.json”).sourceData;
txt.CountryName

Hopefully that helps

[Scott Mcgee]

Cheers Kalleheikki,

I was hoping you would have had some magical expression I just couldn’t fathom on my own hahaha.

I figured a way that might work. I’m just working on it this morning, but my test did work yesterday before I finished for the day.

So I’ve precomped and auto cropped my precomps. Then my precomps in my Master. Items inside are triggered using an expression with a Marker.

This seems to work seamless. But let’s see what happens when I add the next 23 layers.

Again cheers for the input.

[Scott Mcgee]

Hey Kalleheikki I can do one better. I’ve attached a gif

https://media.giphy.com/media/p3BhMauADmaPP3OuDI/giphy.gif