GIMP tools - BDA

GIMP 112
layer visible again, click on the empty square – the eye icon reappears and the layer
is visible again. Layers are usually hidden when they disturb the editing of other layers.
TASK. Make layer ellipse2 invisible.
1. Click on ellipse12 layer line in the palette of Layers dialog:
2. Click on the eye icon . Now you can see the image in the working window:
Locking Alpha channel of the layer
Above the list of layers there is a Lock checkbox (A) that locks the Alfa channel:
If the Alpha channel is locked, you cannot work on this channel. Select a layer, the
Alpha channel of which you want to lock, and tick the Lock checkbox. You can paint
strokes only in the area that has already been painted on. To unlock, select the layer and
uncheck the Lock checkbox.
Grouping layers
To move, copy, align, transform elements of the image consisting of several layers, you
have to group them. Select a layer and click on the square that is between the eye icon
and the layer thumbnail. After you click on the square, a chain icon
appears. Select
another layer and click on the square to make the chain icon
select the layers and click on the chain icon.
appear. To ungroup,
Deleting layers
Select a layer and click on the Delete this layer button .