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STEREO.bas
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BASIC Source File
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2003-06-12
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6KB
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144 lines
5 HOME
10 REM CONTRIBUTED TO SOFTDISK MAGAZETTE MARCH 1982 BY R.L.MCARTHY (ZIP=92672)
20 GOSUB 2000: REM INTRO
25 GOSUB 3000: REM DSM TECHNIQUE INST
28 GOSUB 4000: REM MENU
30 GOSUB 1000: REM STEREO VIEW
40 GOTO 28
99 END
1000 REM HIRES STEREOGRAPH FOR DSM
1010 HGR2
1020 HPLOT 50,60 TO 90,60 TO 90,100 TO 50,100 TO 50,60
1030 HPLOT 190,60 TO 230,60 TO 230,100 TO 190,100 TO 190,60
1040 HPLOT 70,104 TO 90,104
1050 HPLOT 70,105 TO 90,105
1060 HPLOT 70,106 TO 90,106 TO 70,107 TO 90,107
1070 HPLOT 215,104 TO 235,104 TO 215,105 TO 235,105 TO 215,106 TO 235,106 TO 215,107 TO 235,107
1080 HPLOT 70,80 TO 71,80 TO 71,81 TO 70,81
1090 HPLOT 205,80 TO 206,80 TO 206,81 TO 205,81
1100 HPLOT 70,70 TO 71,70 TO 71,71 TO 70,71
1110 HPLOT 202,70 TO 203,70 TO 203,71 TO 202,71
1120 HPLOT 25,65 TO 50,40
1130 HPLOT 165,65 TO 180,40
1140 HPLOT 45,130 TO 46,130
1145 HPLOT 45,131 TO 46,131
1150 HPLOT 200,131 TO 201,131
1155 HPLOT 200,132 TO 201,132
1998 GET A$
1999 POKE -16302,0: TEXT : RETURN
2000 REM INTRO TEXT
2010 PRINT "THE STEREO PHOTOS MAILED WITH THE DEC"
2020 PRINT "SOFTDISK ARE THE TYPE POPULAR AT THE"
2030 PRINT "TURN OF THE CENTURY. THE PRIDE OF THE"
2040 PRINT "PARLOR WAS A STEREOPTIC VIEWER AND A SET"
2050 PRINT "OF STEREO VIEW CARDS. THEY WERE ALSO"
2060 PRINT "POPULAR IN PUBLIC LIBRARIES UP UNTIL AT"
2070 PRINT "LEAST THE WW II PERIOD."
2075 PRINT " THEY WORKED BY MERGING";
2077 PRINT " THE RIGHT"
2079 PRINT "PICTURE AS SEEN BY THE"
2080 PRINT "THE RIGHT EYE WITH THE LEFT PICTURE AS"
2090 PRINT "SEEN BY THE LEFT EYE."
2095 PRINT " THE VIEW THRU TOILET"
2100 PRINT "PAPER ROLLS AS DESCRIBED BY MR SOFTDISK"
2110 PRINT "WORKS ON THE SAME PRINCIPLE BUT IS LESS"
2120 PRINT "ELEGANT THAN THE OLD STEREOSCOPES WITH"
2130 PRINT "ENLARGING GLASS LENS AND BEAUTIFUL"
2140 PRINT "WOODEN FRAMEWORK."
2150 VTAB 20: PRINT "(PRESS ANY KEY)"
2160 GET A$
2170 HOME
2180 VTAB 3: PRINT "THIS PROGRAM ILLUSTRATES A DIFFERENT"
2190 PRINT "METHOD KNOWN AS THE
2200 VTAB 7: PRINT " DISTANT STARE METHOD"
2210 PRINT " (D S M)"
2215 PRINT : PRINT
2220 PRINT "OR 'CROSS-EYED' VIEWING. ONCE THE"
2230 PRINT "TECHNIQUE IS MASTERED NO MECHANICAL AIDS"
2240 PRINT "ARE NEEDED. THE PHOTOS SENT WITH THE"
2250 PRINT "DECEMBER SOFTDISK WILL WORK WITH THE DSM"
2260 PRINT "ONLY IF THEY ARE CUT APART AND RIGHT AND"
2270 PRINT "LEFT SIDES REVERSED. OTHERWISE THE"
2290 PRINT "BACKGROUND AND FOREGROUND ARE REVERSED "
2300 PRINT " IN DEPTH."
2310 VTAB 23: PRINT "(PRESS ANY KEY)": GET A$
2320 HOME : RETURN
3000 REM DSM TECHNIQUE
3005 HOME
3010 PRINT " THE DSM TECHNIQUE"
3020 PRINT : PRINT : PRINT "POSITION YOUR EYES AT A COMFORTABLE"
3025 PRINT "VIEWING DISTANCE FROM THE CRT SO THAT"
3030 PRINT "IMAGES ARE IN FOCUS(ABOUT 18 INCHES"
3035 PRINT "WORKS WELL FOR ME). KEEP YOUR EYES"
3040 PRINT "LEVEL AND LOOK DIRECTLY AT THE SCREEN"
3045 PRINT "FROM HEAD ON RATHER THAN AT A DOWNWARD"
3050 PRINT "ANGLE."
3055 PRINT : PRINT " PLACE YOUR INDEX FINGER TIP ON THE"
3060 PRINT "CENTER OF THE CRT BETWEEN THE TWO IMAGE"
3065 PRINT "GROUPS. GAZE INTENTLY AT YOUR FINGER"
3070 PRINT "TIP AND IGNORE THE IMAGES. KEEP"
3075 PRINT "CONCENTRATING AND FOCUSING YOUR"
3080 PRINT "ATTENTION ON YOUR FINGER TIP AS YOU"
3085 PRINT "SLOWLY MOVE IT TOWARDS YOUR NOSE."
3090 PRINT "(PRESS ANY KEY)"
3095 GET A$: HOME
3100 PRINT : PRINT : PRINT "AS YOUR FINGER TIP APPROACHES YOUR"
3110 PRINT "NOSE YOU MAY BECOME AWARE OF TWO IMAGES"
3115 PRINT "MOVING TOWARDS THE CENTER OF THE SCREEN"
3120 PRINT "AND MERGING INTO ONE."
3145 PRINT : PRINT "NOW... WHILE MAINTAINING THIS DISTANT"
3150 PRINT "STARE ....SLOWLY BECOME AWARE OF THE"
3155 PRINT " MERGED CENTER IMAGES AND BRING THEM"
3160 PRINT "INTO FOCUS WITHOUT BREAKING THE 'DISTANT"
3165 PRINT "STARE'. THE MERGED IMAGE SHOULD POP"
3179 PRINT "INTO A SHARP 3-D PICTURE WITH DEPTH!"
3190 PRINT : PRINT "(PRESS ANY KEY)"
3200 GET A$: HOME
3210 PRINT : PRINT "THE RIGHT AND LEFT IMAGES WILL REMAIN"
3220 PRINT "ON THE FAR EDGES OF YOUR FIELD OF VIEW"
3225 PRINT "BUT SHOULD BE IGNORED."
3230 PRINT : PRINT " IF YOU HAVE TROUBLE MERGING THE IMAGES"
3235 PRINT "TRY TILTING YOUR HEAD SLIGHTLY TO ALIGN"
3240 PRINT "THE IMAGES IN THE PLANE OF THE CRT."
3250 PRINT "SOME PEOPLE SOON LEARN TO DISPENSE WITH THE"
3255 PRINT "FINGERTIP AS AN AID AND CAN FOCUS WITH JUST"
3260 PRINT "A GLANCE AT THE TIP OF THEIR NOSE OR"
3265 PRINT "NOTHING AT ALL."
3270 PRINT : PRINT "IT IS LEFT AS AN EXERCISE FOR THE"
3275 PRINT "STUDENT TO FIGURE OUT WHY THE OBJECTS"
3280 PRINT "ARE EITHER IN THE PLANE OF THE CRT OR"
3285 PRINT "BEHIND IT OR IN FRONT."
3290 PRINT "(PRESS ANY KEY)"
3300 GET A$: HOME
3310 VTAB 5: PRINT "POSSIBILITIES EXIST FOR ANIMATION."
3320 PRINT "(SEE REFERENCE (1))"
3325 VTAB 12: PRINT " BE PATIENT......."
3330 PRINT : PRINT : PRINT : PRINT " KEEP TRYING"
3335 PRINT : PRINT "WHEN YOU'RE READY TO TRY JUST ------------------------"
3990 VTAB 22: PRINT "(PRESS ANY KEY)"
3995 GET A$: HOME : RETURN
3999 RETURN
4000 REM MENU
4020 VTAB 5: PRINT " (1) GO TO THE STEREO VIEW
4030 VTAB 9: PRINT " (2) BACK TO DSM TECHNIQUE
4035 VTAB 13: PRINT " (3) REFERENCES
4037 VTAB 17: PRINT " (4) QUIT
4040 VTAB 20: PRINT " YOUR CHOICE?": GET N$
4042 N = VAL(N$)
4044 IF ASC("N$") = 13 THEN 4040
4045 IF N <1 OR N >4 THEN GOTO 4040
4050 ON N GOSUB 1000,3000,6000,8000
4055 GOTO 28
6000 REM REFERENCES
6010 HOME
6020 PRINT "REFERENCES :"
6030 PRINT "(1) MICRO MAGAZINE,#40,SEPT 1981,PAGE 71"
6035 PRINT " GOOD PROGRAM BUT NOT THE DSM"
6040 PRINT "I FIND THE PAPER BETWEEN THE EYES VERY DIFFICULT COMPARED TO THE DSM."
6050 PRINT : PRINT "(2) SCIENTIFIC AMERICAN MAGAZINE AUG 1974"
6055 PRINT " SHOWS STEREOGRAMS OF LARGE ORGANIC MOLECUES"
6060 PRINT " GENERATED BY A LARGE 'MAINFRAME'."
6900 VTAB 23: PRINT "(PRESS ANY KEY)": GET A$
6998 HOME
6999 RETURN
8000 TEXT : HOME : END