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00000530: 54 48 45 20 53 45 4C 45 43 54 49 4F 4E 2C 20 54 |THE SELECTION, T|
00000540: 48 45 0D 20 50 52 4F 47 52 41 4D 20 42 55 49 4C |HE. PROGRAM BUIL|
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00000610: 41 50 50 45 41 52 20 54 4F 20 47 49 56 45 20 59 |APPEAR TO GIVE Y|
00000620: 4F 55 20 54 48 52 45 45 20 46 55 52 54 48 45 52 |OU THREE FURTHER|
00000630: 0D 20 4F 50 54 49 4F 4E 53 3A 0D 0D 20 D4 48 45 |. OPTIONS:.. .HE|
00000640: 20 46 49 52 53 54 2C 20 C3 52 45 41 54 45 2C 20 | FIRST, .REATE, |
00000650: 41 4C 4C 4F 57 53 20 59 4F 55 20 54 4F 20 53 41 |ALLOWS YOU TO SA|
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00000680: 46 49 4C 45 2C 20 46 4F 52 0D 20 57 48 49 43 48 |FILE, FOR. WHICH|
00000690: 20 59 4F 55 20 41 52 45 20 41 53 4B 45 44 20 54 | YOU ARE ASKED T|
000006A0: 4F 20 53 55 50 50 4C 59 20 41 0D 20 46 49 4C 45 |O SUPPLY A. FILE|
000006B0: 4E 41 4D 45 2E 20 D4 48 45 20 53 45 43 4F 4E 44 |NAME. .HE SECOND|
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00000880: 55 20 48 41 4E 44 4C 45 52 2E 0D 0D 0D 20 3C D0 |U HANDLER.... <.|
00000890: D2 C5 D3 D3 20 C6 37 20 C1 CE C4 20 D3 C5 CC C5 |.... .7 ... ....|
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000008B0: CD 22 3E 20 |."> |
THUMBNAIL. BY JOE BUCKLEY.. THIS PROGRA
M ALLOWS YOU TO GENERATE,. FROM A GEOPAI
NT FILE, AN IMAGE. SIMILAR TO THAT CREAT
ED BY THE. PREVIEW OPTION IN GEOPAINT IT
SELF.. THE MAIN DIFFERENCE IS THAT HERE
YOU. HAVE THE OPPORTUNITY TO SAVE THE. I
MAGE TO A NEW GEOPAINT FILE FOR. FUTURE
USE. THUMBNAIL SUPPORTS ONE OR. TWO DRIV
ES... ONE OF THE UNIQUE FEATURES OF. THU
MBNAIL IS THE THRESHOLD OPTION.. THIS AL
LOWS YOU TO VARY THE. "CONTRAST" OF THE
GENERATED. COMPRESSED IMAGE, GIVING YOU
THE. OPPORTUNITY TO CUSTOMIZE THE PREVIE
W.. WHEN YOU VARY THE THRESHOLD, FEATURE
S. THAT MIGHT NOT BE DISCERNABLE ON. CER
TAIN SETTINGS MAY WORK THEIR WAY. FREE O
F THE GENERAL BACKGROUND. CLUTTER. THINK
OF IT AS THE. "INTENSITY THRESHOLD," LE
TTING YOU. VARY THE INTENSITY OF THE FIN
AL. IMAGE... THE MAIN MENU OFFERS A CHOI
CE... FILE -- THIS MENU HAS TWO SUBMENU.
OPTIONS: QUIT AND INFO... ** QUIT. THIS
EXITS THE PROGRAM AND. RETURNS YOU TO T
HE GEOS DESKTOP... ** INFO. THIS CHOICE
GENERATES. SEVERAL DIALOG BOXES DESCRIBI
NG THE. OVERALL OPERATION OF THE PROGRAM
AND. THE EFFECTS OF VARYING THE THRESHO
LD... OPTIONS -- THIS MENU ALSO HAS TWO.
SUBMENU OPTIONS: COMPRESS FILE AND. THR
ESHOLD... ** COMPRESS FILE. THIS STARTS
THE. COMPRESSION PROCESS. FIRST A DIALOG
. BOX APPEARS, ALLOWING YOU TO CHOOSE. T
HE FILE YOU WISH TO COMPRESS. ONCE. YOU'
VE MADE THE SELECTION, THE. PROGRAM BUIL
DS ON THE SCREEN -- TWO. SCANLINES AT A
TIME -- A COMPRESSED. REPRESENTATION OF
THE ORIGINAL. GEOPAINT FILE... AFTER THE
COMPRESSED IMAGE HAS BEEN. DRAWN TO THE
SCREEN, A NEW DIALOG BOX. WILL APPEAR T
O GIVE YOU THREE FURTHER. OPTIONS:.. THE
FIRST, CREATE, ALLOWS YOU TO SAVE. THE
IMAGE TO A NEW GEOPAINT FILE, FOR. WHICH
YOU ARE ASKED TO SUPPLY A. FILENAME. TH
E SECOND, MERGE, LETS YOU. MERGE THE NEW
IMAGE INTO AN EXISTING. GEOPAINT FILE.
A NEW DIALOG BOX. APPEARS FOR YOUR FILE
SELECTION. ONE. FEATURE OF MERGE ANALYZE
S THE. PRE-EXISTING FILE BY DIVIDING IT
INTO. 12 SLOTS. IF ANY OF THE POSITIONS
ARE. EMPTY, THEN THE NEW IMAGE IS INSERT
ED. INTO THE FIRST AVAILABLE POSITION. I
F. THE FILE IS FULL, A SCREEN MESSAGE. W
ILL ALERT YOU. FINALLY, CANCEL WILL. ABO
RT THE PRESENT OPERATION AND. RETURN YOU
TO THE MAIN MENU HANDLER.... <PRESS F7
AND SELECT "GET NEXT ITEM">
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