get current layer ID

Forum|Forum|7 years ago
December 13, 2018
1 reply
1790 views

Hello

I want to get the activeLayer Id and then move to top layer one by one (have to do some actions on each layer).

My problem is I don't know how get the ID of current layer.

I found these syntaxes but seems none of them working:

app.activeDocument.activeLayer.length

getLayerIndex(app.activeDocument.activeLayer)

any help will be appreciate

Actions and scripting

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app.activeDocument.activeLayer.id

D

dc-masterAuthor

Known Participant

it works fine on unlock layers but when the active layer is a locked layer, it returns a different number (like 175)

let me explain a bit more, maybe you have a better suggestion:

I have some PSD file with several layers. I want to do an action on each layer. it have to start from current layer and continue to top layer (the action will not apply on layers).

I thought by getting the layer ID, and use it in a loop, can visible each layer, do the action, hide the layer and then go to next layer.

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Maybe it helps

var i0 = activeDocument.activeLayer.itemIndex;
var i1 = activeDocument.layers[0].itemIndex;
var di = 1;
try { activeDocument.backgroundLayer; } catch(e) { di = 0; }
for (var i = i0; i <= i1; i++)
    {
    select_layer(i-di);
    action();
    }
alert("Done");
function action()
    {
    // do something
    // refresh();
    }
function select_layer(idx)
    { 
    try {
        var r = new ActionReference();
        r.putIndex(stringIDToTypeID("layer"), idx);
        var d = new ActionDescriptor();
        d.putReference(stringIDToTypeID("null"), r);
        executeAction(stringIDToTypeID("select"), d, DialogModes.NO);
        return true;
        }
    catch (e) { alert(e); return false; }
    }

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