Add the texture
By clicking on this button , we can open the Texturize option.
The following window then appears :
The first thing to do is to click on Add a texture. The Library will open first. We can get the previously created texture by a right click if we had stored it there.
Next to Library, we can also choose File. By clicking on it, you get this new window :
Click on Browse to look for the previously exported texture if you put it in another folder, then click on OK.
Two options for the Alpha mode are under Browse : non premultiplied and premultiplied.
If the texture you wish to use does not have the same size as the project, you will see a warning popup. It will not appear in the list under Add a texture, and you will need to create a new one with the project's size to texturize your animation.