11-08-2021, 06:24 PM
Painting directly on a layer, or painting on a transparent layer above it in "Normal" mode, gives exactly the same result.
So the idea here is that instead of painting directly on one of the layers (because cloning is still painting), you clone to a new transparent layer above one your layers. Then, when done with that first layer, you replicate this clone layer, and put each copy above each of the other layers, thus replicating the painting operation on each layer.
The other technique that uses symmetry painting puts all your layers side by side as a big layer, and sets up the symmetry painting so that the replication happens in real time on all layers, whatever the layer you are actually painting on. And when done you break up the set up to recover your individual layers.
So the idea here is that instead of painting directly on one of the layers (because cloning is still painting), you clone to a new transparent layer above one your layers. Then, when done with that first layer, you replicate this clone layer, and put each copy above each of the other layers, thus replicating the painting operation on each layer.
The other technique that uses symmetry painting puts all your layers side by side as a big layer, and sets up the symmetry painting so that the replication happens in real time on all layers, whatever the layer you are actually painting on. And when done you break up the set up to recover your individual layers.