gsn_reverse_colormap

Reverses the color map for the given workstation.

Prototype

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

	procedure gsn_reverse_colormap (
		wks [1] : graphic   
	)

Arguments

A Workstation identifier. The identifier is one returned either from calling gsn_open_wks or calling create to create a Workstation object.

Description

This procedure reverse the color map for the given workstation, keeping the foreground and background colors the same.

See Also

gsn_define_colormap, gsn_retrieve_colormap, gsn_merge_colormaps, gsn_draw_colormap, gsn_draw_named_colors

Examples

To see how to use several of the color functions, trying running the following example:

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

begin
  wks = gsn_open_wks("x11","color")

  gsn_define_colormap(wks,"BlueRed")
  gsn_draw_colormap(wks)              ; Draw the color map.
  gsn_reverse_colormap(wks)           ; Reverse the color map.
  gsn_draw_colormap(wks)              ; Draw the new color map.
end

For some application examples, see:

• "color_8.ncl" (view before and after)

See also the suite of color examples.