Select Effect Layer. Selects an effect layer and starts a new layer segment in the request string, which is associated with the current layer.
effect= *
n*
n |
Effect layer number (int not equal to 0). |
All commands within the new segment are applied to the specified effect layer. An effect layer segment is terminated by the next layer=
or effect=
command or by the end of the request.
n
must be less than 0 for outer layer effects (i.e. effects behind the parent layer) and greater than 0 for inner layer effects (i.e. effects within the parent layer). Effect layer numbers do not have to be consecutive.
The effect layer number specifies the z-order, in case of multiple effect layers for the same parent layer. Higher-numbered layers are placed on top of lower-numbered layers.
Effect layers may be attached to layer=comp
.
Effect layer command. n
must not be 0.
None.
…&layer=5&src=/myCat/myImage&size=200,200&effect=-1&$shadow$&…