Get parent layer id of a layer

The toplevel parent is the 'root' layer.

l_layer_getParent(widget, layer)

Arguments

widget	widget path or layer object of class 'l_layer'
layer	layer id. If the widget argument is of class 'l_layer' then the layer argument is not used

See also

l_layer, l_layer_getChildren

Examples

p <- with(iris, l_plot(Sepal.Length ~ Sepal.Width, color=Species))

l_layer_getParent(p, 'model')
#> [1] "root"