Selective masking

Here are some detailed step-by-step examples of renderings with selective masking enabled. Examples are taken from the tests and some intermediary images have been added to illustrate how the rendering works.

1 - Only labels mask other symbol layers
1b - Only labels mask other symbol layers (with symbol levels)
2 - A symbol layer mask other symbol layers
3 - Merged masks
4 - Different masks on the same layer
5 - Different masks on the same layer (2)
6 - Label masks with effects