NCL Website header
NCL Home > Documentation > Functions > NCL object routines

NhlAppGetDefaultParentId

Returns a reference to the current default App object.

Prototype

	function NhlAppGetDefaultParentId (
	)

	return_val [1] :  graphic

Description

This function returns a reference to the current default App object. The default App object controls which resource database is used by default when creating NCL objects.

See Also

NhlGetParentWorkstation, NhlGetParentId, NhlGetWorkspaceObjectId

Examples

Example 1

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"

begin
  wks = gsn_open_wks("ncgm","test")

  npts = 500
  x    = fspan(0,npts-1,npts)
  y    = 500.+ 0.9 * x * sin(0.031415926535898*x)
  xy   = gsn_y(wks,y,False)

  parent = NhlAppGetDefaultParentId()
  print(parent)

end