surface line:

SRFLNE  lintyp, linwgt, linpst
	X, Y, "LINE-ID"

    linetyp:    1-10
    linewgt: 	1 light
		2 medium
		3 bold
    linpst:	0 no posting
           	1 post line-id

SRFPLY	typpat, patfac, plypst
	X, Y, "Poly-id"

    typpat	0-21
    patfac	(0 - 10]
    plypst	0 no posting
		1 post poly-id

SRFSYM	symtyp, symsiz, txtpos, txtang
	X, Y, "text"

    symtyp	1-33
    symsiz	1-6
    txtpos	7 8 9
		4 5 6 
		1 2 3

    txtang	-90 to 90 deg

SRFTXT	anchor, txtang
	X, Y, "text"

    txtang	-90 to 90 deg  (0 == horiz, -90 == down)
    anchor	7 8 9
		4 5 6 
		1 2 3

SETPEN	lgtpen, bldpen, txtpen

	1 - 8  def 2
	1 - 8  def 2
	1 - 8  def 1

	lgtpen used for ALL linetypes (except bold types),
	text, polygons, poly shading paterns, symbols, legend, page annotation.


