setEdgeOpacityDirectR Documentation

setEdgeOpacityDirect

Description

In the specified CytoscapeWindow, set the opacity of the specified edge or edges. Low numbers, near zero, are transparent. High numbers, near 255, are maximally opaque: they are fully visible.

Usage

setEdgeOpacityDirect(obj, edge.names, new.value)

Arguments

obj a CytoscapeWindowClass object.
edge.names one or more String objects, cy2-style edge names.
new.value a numeric object, ranging from 0 to 255.

Value

None.

Author(s)

Paul Shannon

See Also

setNodeOpacityDirect

Examples

  cw <- new.CytoscapeWindow ('setEdgeOpacityDirect.test', graph=makeSimpleGraph())
  displayGraph (cw)
  redraw (cw)
  layoutNetwork (cw, 'jgraph-spring')
  edge.names = as.character (cy2.edge.names (cw@graph)) [1:2]
  for (i in 1:10) {
    setEdgeOpacityDirect (cw, edge.names, 255 - (i * 25))
    redraw (cw)
    }
  for (i in 1:10) {
    setEdgeOpacityDirect (cw, edge.names, i * 25)
    redraw (cw)
    }