setEdgeSourceArrowShapeDirect: setEdgeSourceArrowShapeDirect
In RCytoscape: Display and manipulate graphs in Cytoscape

Description Usage Arguments Value Author(s) See Also Examples

In the specified CytoscapeWindow, set the source arrow shape of the specified edge or edges, using one of the supported shapes.

1	setEdgeSourceArrowShapeDirect(obj, edge.names, new.values)

`obj`	a `CytoscapeWindowClass` object.
`edge.names`	one or more cy2-style edge names, `String` objects.
`new.values`	one or more `String` objects, from the supported set.

None.

Paul Shannon

cy2.edge.names getArrowShapes setEdgeTargetArrowRule setEdgeSourceArrowShapeDirect

  cw <- new.CytoscapeWindow ('setEdgeSourceArrowShapeDirect.test', graph=makeSimpleGraph())
  displayGraph (cw)
  layoutNetwork(cw, 'jgraph-spring')
  redraw (cw)

  edges.of.interest = as.character (cy2.edge.names (cw@graph))
  supported.arrow.shapes = getArrowShapes (cw)

    # first try passing three edges and three arrow shapes
  setEdgeSourceArrowShapeDirect (cw, edges.of.interest, supported.arrow.shapes [2:5])
  redraw (cw)

  Sys.sleep (1)
  
    # now try passing three edges and one arrow.shapes
  setEdgeSourceArrowShapeDirect (cw, edges.of.interest, supported.arrow.shapes [6])
  redraw (cw)

    # now loop through all of the arrow.shapes

  for (shape in supported.arrow.shapes) {
    setEdgeSourceArrowShapeDirect (cw, edges.of.interest, shape)
    Sys.sleep (1)
    redraw (cw)
    }


    # restore the default
  setEdgeSourceArrowShapeDirect (cw, edges.of.interest, 'No Arrow')
  redraw (cw)