10 REM ************************************************************* 20 REM * MXPLOT.BAS AWT 12/26/83 * 30 REM * VERSION 1.0 * 40 REM * FOR MX-100 OR SIMILAR PRINTER * 50 REM * MAKES DIFFERENT PLOT SIZES * 60 REM * BE BRAVE, RUN FIRST * 70 REM * BASED ON BREGOLI'S PROGRAM * 80 REM ************************************************************* 90 REM GET FILE VECTORS TO PLOT 100 DIM Y(101),X(101):REM 110 REM !MACHINE DEPENDENCE!---------------------------------------- 120 MAXWIDTH=233:WIDTH LPRINT MAXWIDTH 'SET MX100 COMPRESSED WIDTH 130 XTIC=4 :YTIC=2 :XDIV=25:YDIV=50 ' DEFAULT GRAPH SIZE 140 REM ------------------------------------------------------------ 150 XSPAN=XTIC*XDIV 160 YSPAN=YTIC*YDIV 170 INPUT "DO YOU WISH TO CHANGE THE GRAPH SIZE ? (Y/N) ",A$ 180 PRINT 190 IF NOT A$="Y" THEN GOTO 310 200 PRINT "CURRENT MAJOR DIVISIONS X AXIS=",XTIC 210 PRINT "CURRENT MINOR DIVISIONS X AXIS=",XDIV 220 INPUT "NUMBER OF MAJOR DIVISIONS ON X AXIS? ",XTIC 230 INPUT "NUMBER OF MINOR DIVISIONS PER MAJOR DIVISION? ",XDIV 240 XSPAN=XTIC*XDIV:IF XSPAN>MAXWIDTH THEN PRINT "ERROR- EXCEEDED WIDTH":GOTO 220 250 PRINT "CURRENT MAJOR DIVISIONS Y AXIS=",YTIC 260 PRINT "CURRENT MINOR DIVISIONS Y AXIS=",YDIV 270 INPUT "NUMBER OF MAJOR DIVISIONS ON Y AXIS? ",YTIC 280 INPUT "NUMBER OF MINOR DIVISIONS PER MAJOR DIVISION? ",YDIV 290 YSPAN=YTIC*YDIV 300 PRINT 310 PRINT "SELECT FORM OF DATA INPUT" 320 PRINT "0. EXIT PROGRAM RETURN TO BASIC" 330 PRINT "1. FROM EXTERNAL FILE" 340 PRINT "2. FROM EQUATIONS EMBEDDED IN THE CODE (OR DEMO)" 350 PRINT "3. FROM TYPED IN DATA SET" 360 PRINT "4. DATA PREVIOUSLY PLOTTED THIS RUN" 370 INPUT "SELECTION IS (NUMBER):",SN 380 IF SN=0 THEN GOTO 410 390 ON SN GOSUB 420,670,520,830 400 GOTO 170 410 END 420 PRINT:INPUT "ENTER THE DATAFILE (NAME5678.TYP)",A$ 430 OPEN #1,"I",A$ 440 I=0 450 WHILE NOT EOF 460 INPUT #1,X(I),Y(I):I=I+1 470 WEND 480 NPTS=I 490 CLOSE #1 500 GOSUB 830 'PLOT IT 510 RETURN 520 PRINT:INPUT "HOW MANY DATA PAIRS ";NPTS 530 FOR I=0 TO NPTS-1 540 INPUT "ENTER X,Y PAIR ",X(I),Y(I) 550 NEXT I 560 GOTO 500 ' ARE NOT GOTO'S TERRIBLE 570 REM ************************************************************** 580 REM * PLOT PROGRAM FOR MX-80 * 590 REM * BY * 600 REM * LAWRENCE J. BREGOLI * 610 REM * AS MODIFIED FROM BYTE MAG. MAR '82 * 620 REM ************************************************************** 630 REM 640 REM ************************************************************** 650 REM * USE THE FOLLOWING SPACE TO CALCULATE A 101 BY 101 * 660 REM * DATA ARRAY IN X(I) AND Y(I). * 670 REM * ENTER PROGRAM BELOW THIS SECTION IF ARRAY EXISTS * 680 REM ************************************************************** 690 REM 700 REM 710 REM SAMPLE ARRAY->CONCENTRIC CIRCLES 720 REM 730 REM DIM Y(101),X(101):REM MOVE DIM TO MAIN PROGRAM 740 PI=3.1415928# 750 FOR I=0 TO 50 760 X(I)=SIN(I*2*PI/50):Y(I)=COS(I*2*PI/50) 770 NEXT I 780 FOR I=51 TO 100 790 J=I-50 800 X(I)=.5*SIN(J*6.282/50):Y(I)=.5*COS(J*6.282/50) 810 NEXT I 820 NPTS=101 ' NUMBER OF DATA POINTS 830 REM 840 REM ************************************************************** 850 REM * ENTER TITLE OF PLOT AND AXIS LEGENDS * 860 REM ************************************************************** 870 REM 880 YTITLE$=SPACE$(YSPAN/2+1):XTITLE$=SPACE$(XSPAN+1):PTITLE$=SPACE$(XSPAN/2+1) 890 LINE INPUT "ENTER TITLE OF PLOT ";T$ 900 ST=LEN(PTITLE$)-LEN(T$):IF ST<0 THEN PRINT "TOO LONG! BY ";ABS(ST):GOTO 890 910 LINE INPUT "ENTER Y AXIS TITLE ";Y$ 920 SY=LEN(YTITLE$)-LEN(Y$):IF SY<0 THEN PRINT "TOO LONG! BY ";ABS(SY):GOTO 910 930 LINE INPUT "ENTER X AXIS TITLE ";X$ 940 SX=LEN(XTITLE$)-LEN(X$):IF SX<0 THEN PRINT "TOO LONG! BY ";ABS(SX):GOTO 930 950 MID$(YTITLE$,SY/2+1)=Y$ 960 MID$(XTITLE$,SX/2+1)=X$ 970 MID$(PTITLE$,ST/2+1)=T$ 980 AUTOFLG=0 'NO AUTOSCALING 990 INPUT "DO YOU WANT (A)UTO OR (M)ANUAL SCALING ";Y$ 1000 IF Y$="M" THEN 1030 1010 IF Y$="A" THEN AUTOFLG=-1 ELSE 990 1020 GOTO 1170 1030 INPUT "ENTER MAXIMUM VALUE OF Y AXIS";YMAX 1040 INPUT "ENTER MINIMUM VALUE OF Y AXIS";YMIN 1050 INPUT "ENTER MAXIMUM VALUE OF X AXIS";XMAX 1060 INPUT "ENTER MINIMUM VALUE OF X AXIS";XMIN 1070 REM 1080 REM ************************************************************** 1090 REM * MAIN BODY OF PROGRAM STARTS HERE * 1100 REM ************************************************************** 1110 REM 1120 REM 1130 REM ************************************************************** 1140 REM * SPEED UP MODIFICATIONS USING SORT ROUTINE * 1150 REM ************************************************************** 1160 REM 1170 PRINT "*** GOING TO WORK ***":LPRINT:LPRINT:LPRINT TAB(13);PTITLE$'PLOT TITLE 1180 NM1=NPTS-1 'ARRAY STARTS AT ZERO 1190 XC$="-":YC$="|" 1200 TOP=NM1:TEMPTOP=NM1 'POINTER TO TOP OF DATA ARRAYS 1210 GOSUB 2730:REM SORT DATA 1220 IF AUTOFLG THEN GOSUB 2400 ' AUTOSCALE 1230 LPRINT:LPRINT 1240 GOSUB 1590:REM SET COMPRESSED CHAR MODE 1250 LSPACE=2:GOSUB 1560:REM SET LINE SPACING 1260 RSTOP=20:CHAR$=YC$:GOSUB 1630:REM FORCE CARRIAGE LEFT 1270 YD=ABS((YMAX-YMIN)/YSPAN):REM VALUE OF EACH LINE 1280 XD=ABS((XMAX-XMIN)/XSPAN) 1290 FOR LNNO=YSPAN TO 0 STEP -1 1300 YN=YMAX-(((YMAX-YMIN)/YSPAN)*(YSPAN-LNNO)):REM NORMALIZED Y VALUE 1310 GOSUB 2050:REM PRINT VERTICAL TITLE 1320 IF LNNO/2-FIX(LNNO/2)=O THEN GOSUB 1690:REM PLOT VERTICAL LINES 1330 GOSUB 1800:REM PLOT DATA 1340 GOSUB 1940:REM PRINT HORIZONTAL LINE 1350 LPRINT 1360 RSTOP=20:CHAR$=YC$:GOSUB 1630:REM FORCE CARRIAGE LEFT 1370 LPRINT 1380 NEXT LNNO 1390 GOSUB 2150:REM PRINT X SCALE 1400 GOSUB 2300"REM PRINT X AXIS TITLE 1410 LSPACE=12:GOSUB 1560:REM SET NORMAL LINE SPACING 1420 GOSUB 1610:REM SET NORMAL CHAR WIDTH 1430 LPRINT CHR$(12) ' TOP OF NEXT FORM 1440 PRINT "***** COMPLETE ****";CHR$(7);CHR$(7) 1450 RETURN 1460 REM 1470 REM ************************************************************** 1480 REM * PLOT SUPPORT SUBROUTINES START HERE * 1490 REM ************************************************************** 1500 REM 1510 REM 1520 REM ************************************************************** 1530 REM * PRINTER CONTROL SUBROUTINES !MACHINE DEPENDENCE! * 1540 REM ************************************************************** 1550 REM 1560 LPRINT CHR$(27)"A"CHR$(LSPACE):REM EDIT WITH GRAFTRAX OPTION 1570 RETURN:REM SET LINE SPACING 1580 REM 1590 LPRINT CHR$(15):RETURN:REM SET COMPRESSED MODE 1600 REM 1610 LPRINT CHR$(18):RETURN:REM SET NORMAL MODE 1620 REM 1630 LPRINT SPC(RSTOP);CHAR$;:RETURN:REM PRINT CHAR AT RSTOP 1640 REM 1650 REM ************************************************************** 1660 REM * PLOT VERTICAL LINE SUBROUTINE * 1670 REM ************************************************************** 1680 REM 1690 CHAR$=YC$:RSTOP=20:LPRINT CHR$(13);:GOSUB 1630 1700 RSTOP=XDIV-1 1710 FOR I=1 TO XTIC 1720 GOSUB 1630 1730 NEXT I 1740 RETURN 1750 REM 1760 REM ************************************************************** 1770 REM * PLOT SORTED DATA SUBROUTINE * 1780 REM ************************************************************** 1790 REM 1800 CHAR$="0" 1810 FOR I=TOP TO 0 STEP -1 1820 IF Y(I)>YN+.5*YD THEN 1880 1830 IF Y(I)<=YN-.5*YD THEN I=0:GOTO 1880 1840 TEMPTOP=I 1850 XP=FIX((X(I)-XMIN+.5*XD)*XSPAN/(XMAX-XMIN)) 1860 IF XP<0 OR XP>XSPAN THEN 1880 1870 LPRINT CHR$(13);:RSTOP=XP+20:GOSUB 1630 1880 NEXT I:TOP=TEMPTOP:RETURN 1890 REM 1900 REM ************************************************************** 1910 REM * PLOT Y SCALE AND HORIZONTAL LINE SUBROUTINE * 1920 REM ************************************************************** 1930 REM 1940 IF LNNO/YDIV-FIX(LNNO/YDIV)<>0 THEN RETURN 1950 LPRINT CHR$(13);:RSTOP=10:CHAR$="":GOSUB 1630 1960 LPRINT USING "######.##";(YMAX-YMIN)*LNNO/YSPAN+YMIN; 1970 LPRINT CHR$(13);:RSTOP=20:CHAR$=XC$:GOSUB 1630 1980 LPRINT STRING$(XSPAN,XC$); 1990 RETURN 2000 REM 2010 REM ************************************************************** 2020 REM * PRINT YAXIS TITLE * 2030 REM ************************************************************** 2040 REM 2050 IF LNNO/2-FIX(LNNO/2)<>0 THEN RETURN 2060 LPRINT CHR$(13);:RSTOP=7 2070 CHAR$=MID$(YTITLE$,FIX(((YSPAN-LNNO)/2)+1),1) 2080 GOSUB 1630 2090 RETURN 2100 REM 2110 REM ************************************************************** 2120 REM * PRINT X SCALE SUBROUTINE * 2130 REM ************************************************************** 2140 REM 2150 LPRINT:LPRINT 2160 F$="#######.##" 2170 F$=RIGHT$(F$,XDIV) ' YOU MIGHT LIKE LEFT$ 2180 RSTOP=20-INSTR(F$,".")+1+(INSTR(F$,".")=0)*LEN(F$):CHAR$="":GOSUB 1630 2190 FOR I=0 TO XTIC-1 2200 LPRINT USING F$;(XMAX-XMIN)*I/XTIC+XMIN; 2210 LPRINT SPC(XDIV-LEN(F$)); 2220 NEXT I 2230 LPRINT USING F$;(XMAX-XMIN)*I/XTIC+XMIN; 2240 RETURN 2250 REM 2260 REM ************************************************************** 2270 REM * PRINT X AXIS TITLE * 2280 REM ************************************************************** 2290 REM 2300 LPRINT:LPRINT:LPRINT 2310 LPRINT:LPRINT:LPRINT 2320 RSTOP=20:CHAR$=XTITLE$:GOSUB 1630 2330 RETURN 2340 REM 2350 REM ************************************************************** 2360 REM * AUTO SCALING SUBROUTINES * 2370 REM ************************************************************** 2380 REM NOTE THESE SCALING ROUTINES FAIL UNDER CERTAIN CONDITIONS 2390 REM DUE TO ROUND OFF ERROR (USE MANUAL) 2400 YMAX=Y(0):XMAX=X(0):YMIN=Y(0):XMIN=X(0) 2410 PRINT "***** WORKING *****" 2420 FOR I=1 TO NM1:REM FIND XMAX & YMAX 2430 IF Y(I)>YMAX THEN YMAX=Y(I) 2440 IF Y(I)<YMIN THEN YMIN=Y(I) 2450 IF X(I) > XMAX THEN XMAX=X(I) 2460 IF X(I)<XMIN THEN XMIN=X(I) 2470 NEXT I 2480 RESTORE 2670:REM-------------------------------------------------- 2490 MSD=(YMAX-YMIN)/YTIC:REM SCALE THE Y AXIS 2500 YD=(YMAX-YMIN)/YSPAN 2510 FOR I=-2 TO 4 2520 FOR K=1 TO 3:READ J 2530 IF MSD<=J*10^(I)+.5*YD/YTIC THEN MSD=J*10^(I):GOTO 2550 2540 NEXT K:RESTORE 2670:NEXT I 2550 YMAX=SGN(YMAX)*CINT(ABS(YMAX/MSD))*MSD 2560 YMIN=YMAX-YTIC*MSD 2570 RESTORE 2670:REM-------------------------------------------------- 2580 MSD=(XMAX-XMIN)/XTIC:REM SCALE THE X AXIS 2590 XD=(XMAX-XMIN)/XSPAN 2600 FOR I=-2 TO 4 2610 FOR K=1 TO 3:READ J 2620 IF MSD<=J*10^(I)+.5*XD/XTIC THEN MSD=J*10^(I):GOTO 2640 2630 NEXT K:RESTORE 2670:NEXT I 2640 XMAX=SGN(XMAX)*CINT(ABS(XMAX/MSD))*MSD 2650 XMIN=XMAX-XTIC*MSD 2660 RETURN 2670 DATA 1,2,5 2680 REM 2690 REM ************************************************************** 2700 REM * SHELL SORT OF DATA * 2710 REM ************************************************************** 2720 REM 2730 M=NM1 2740 REM X(I) X AXIS DATA ARRAY 2750 M=INT(M/2):IF M=0 THEN RETURN 2760 J=0:K=NM1-M 2770 I=J 2780 L=I+M:IF Y(I)<Y(L) THEN 2810 2790 T=Y(I):T1=X(I):Y(I)=Y(L):X(I)=X(L):Y(L)=T:X(L)=T1:I=I-M 2800 IF I<0 THEN 2810 ELSE 2780 2810 J=J+1:IF J<=K THEN 2770 ELSE 2750 2820 REM 2830 REM YD DELTA VALUE FOR EACH Y AXIS LINE 2840 REM XP CHARACTER POSITION ON X AXIS 2850 REM MSD MINIMUM SCALE DELTA (MAJOR DIVISION) 2860 REM K INDEX COUNTER 2870 REM I INDEX COUNTER 2880 REM T$ PLOT TITLE 2890 REM PTITLE$ PLOT TITLE CENTERED IN 50 SPACES 2900 REM Y$ Y AXIS TITLE 2910 REM YTITLE$ Y AXIS TITLE CENTERED IN 50 SPACES 2920 REM X$ X AXIS TITLE 2930 REM XTITLE$ X AXIS TITLE CENTERED IN 50 SPACES 2940 REM CHAR$ STRING PRINTED AT RSTOP 2950 REM XTIC X AXIS MAJOR DIVISIONS 2960 REM YTIC Y AXIS MAJOR DIVISIONS 2970 REM XDIV X AXIS MINOR DIVISIONS PER MAJOR 2980 REM YDIV Y AXIS MINOR DIVISIONS PER MAJOR 2990 REM NPTS NUMBER OF DATA POINTS 3000 REM NM1 NUMBER OF POINTS -1 3010 REM AWT ALLAN W. TOMALESKY 3020 REM 32 MARY LYNN LANE 3030 REM SOMERVILLE,NJ 08876 AWT ALLAN W. TOMALESKY 3020 REM 32 MARY LYNN LANE