The Layer Stack lets you manipulate the layers of a Texture Set. You can hide and unhide layers, put them into folders and change their opacity and blending mode.
The layer stack display layers with a specific hierarchy : the layer at the bottom will be drawn first on the mesh, the layer on top will follow. Therefore the layer at the top most of the stack in the last item, while the layer at the far bottom is the first one. Same principle apply to folders, however the content of the folder take priority. This means the content of a folder will be processed before the layers that are at the same level.
Common characteristics :
- Each layer is multi-channels.
- The paint tool will paint on all of their respective channels depending of the material settings (which channel you are currently viewing in the Layer Stack has no impact).
- Each Layer has a blending mode and an opacity per channel (you can switch between channels through the top left dropdown menu).
Types of layers :
- Layer : This type of layer can be paint on with brush and particles
- Fill layer : This layer cannot be paint on, instead you can load a material in its content to fill the channels. (You can also manipulate the transformation to repeat the material for example.)
- Folder : This type of layer has for only purpose to contains other layers, it is mainly used to organise the layer stack
On each layer you can add a mask which allow to apply the content only to a specific parts of the channels of the current texture set.
You can either paint on the mask manually (in grayscale with a brush) or use filters and substances for more dynamic/procedural results.
For more information, see the other pages :