Drawing a box

                       +--------------------------+
                       | CALL  IGBOX (X1,X2,Y1,Y2) |
                       +--------------------------+
Action: This routine fills a rectangle according to the ``fill area colour index'' (see section [more info]), the ``fill area interior style'' (see section [more info]), and the ``fill area style index'' (see section [more info]) attributes. The border is never drawn unless the interior style is hollow or the routine IGSET has been called with 'BORD' and VAL = 1.. As it is shown on the figure [more info], the border of the rectangle is drawn according to the values of the ``line width scale factor'' (see section [more info]) and the ``polyline colour index'' (see section [more info]) attributes, whereas the ``line type'' is always solid (see section [more info]). Parameter Description:
X1
X coordinate of 1st corner of the rectangle in WC.
X2
X coordinate of 2nd corner of the rectangle in WC.
Y1
Y coordinate of 1st corner of the rectangle in WC.
Y2
Y coordinate of 2nd corner of the rectangle in WC. 

                                                                                   
 


Figure:  Action of the fill area and polyline attributes on
 IGBOX.



 [BOX]