Overlay a mask on the canvas
Usage
at_canvas_set_overlay(proxy, mask, alpha = 0.5, call = rlang::caller_env())
Arguments
- proxy
An atcanvas_proxy.
- mask
An annot_mask.
- alpha
Overlay opacity. Default 0.5.
- call
The calling environment, for error reporting.
Value
The proxy, invisibly.
See also
Other shiny:
atCanvasOutput(),
at_annotate(),
at_app(),
at_canvas(),
at_canvas_fit(),
at_canvas_proxy(),
at_canvas_set_annotations(),
at_canvas_set_band(),
at_canvas_set_selection(),
at_canvas_set_tool(),
at_tile_source(),
renderAtCanvas()
