xclea(2)

NAME
xclea - erase a rectangle on a graphic window

CALLING SEQUENCE
xclea(x,y,w,h)

PARAMETERS

x,y,w,h
    : four real values (rectangle def)

DESCRIPTION
clears on the current graphic window the rectangle [x,y,w,h] ( Upper left point , width,height) using the current graphic scale.

AUTHOR
J.Ph.C.