1 /*- 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)open.c 8.1 (Berkeley) 06/04/93"; 10 #endif /* not lint */ 11 12 /* 13 * converts plot to grn 14 */ 15 16 #include "grnplot.h" 17 18 int curx, cury; /* Current world position */ 19 int xbot=0, ybot=0; /* Coordinates of screen lower-left corner */ 20 double scale=1; /* The number of pixels per 2**12 units 21 * of world coordinates. 22 */ 23 int linestyle = 5; 24 int ingrnfile = 0; 25 int invector = 0; 26 27 28 /*--------------------------------------------------------- 29 * Openpl initializes the graphics display and clears its screen. 30 * 31 * Results: None. 32 * 33 * Side Effects: 34 * 35 * Errors: None. 36 *--------------------------------------------------------- 37 */ 38 openpl() 39 {} 40