perm filename TVFONT.DOC[GEM,BGB] blob
sn#030958 filedate 1973-03-25 generic text, type T, neo UTF8
00100 SAILON NUMBER XX. XGP SOFTWARE
00200
00300
00400 STANFORD ARTIFICIAL INTELLIGENCE LABORATORY APRIL 1973
00500 OPERATING NOTE NUMBER XX.
00600
00700
00800 draft - draft - draft - draft - draft - draft - draft - draft - draft
00900 XEROX GRAPHICS PRINTER SOFTWARE.
01000
01100
01200 Bruce Baumgart
01300 Ralph Gorin
01400 Robert Mass
01500 Tovar Mock
01600 Fred Wright
01700
01800
01900
02000 ABSTRACT:
02100
02200 This operating note is an anthology of documentation
02300 for the several programs that are relevant to XGP output.
02400
02500
02600 CONTENTS:
02700
02800 XGP HARDWARE INTERFACE - Panofsky, Quam.
02900 SYSTEM MONITOR UUO - Gorin.
03000 COPY COMMAND MODE - Gorin, Helliwell.
03100 CAL COMP MODE - Wright, Helliwell.
03200 REM's Things.
03300 TVFONT - Baumgart, Mock.
03400 EDFONT - Mock.
03500 CRE - Baumgart.
03600 XAP - Baumgart, Mock.
00100 WARNING:
00200
00300 TVFONT IS STILL EXPERIMENTAL AND MOST LIKELY HAS A LEAST SEVERAL
00400 BUGS IN IT, KNOWN AND UNKNOWN. YOU MAY USE IF YOU WISH BUT BE
00500 FOREWARNED. ALTHOUGH I APPRECIATE HEARING ABOUT ANY BUGS YOU MAY
00600 FIND, YOU SHOULD NOT EXPECT ME TO FIX THEM RIGHT AWAY AND PLEASE
00700 DO NOT TELL ME ABOUT THE SAME BUG REPEATEDLY.
00800
00900 BETTER DOCUMENTATION SHOULD BE AVAILABLE BY THE END OF MARCH.
00100 APPENDIX I - TVFONT COMMAND SUMMARY
00200
00300 A ASSIGN ASCII CODE TO IMAGE.
00400 B EXPAND/CONTRACT BY CONSTANT
00500 αB EXPAND/CONTRACT IN Y DIRECTION
00600 βB EXPAND/CONTRACT IN X DIRECTION
00700 εB SLANT CHARACTER (1/2 SLANTS TO 45 DEGREE ANGLE)
00800 C MAKE THRESHOLD CUT.
00900 D ENABLE/DISABLE DELETION OF BABY POLYGONS (DEFAULT IS OFF).
01000 F LOCATE NEAREST POINT, εF USE LIGHT PEN
01100 G LEVEL OF CORRESPONDING CHARACTER CODE
01200 H HISTOGRAM, "αH" ,"βH" BI-MODAL CUT.
01300 I INPUT TV PICTURE FROM DISK.
01400 αI INPUT CRE FILE
01500 K KILL POLYGON OR VERTEX
01600 L SHOW FONT IN BITS
01700 M MOVE POLYGON TO NEXT IMAGE.
01800 αM MOVE TO NEW IMAGE
01900 βM MIDPOINT LINE
02000 N NEXT IMAGE
02100 αN PREVIOUS IMAGE
02200 βN REPEAT NEXT IMAGE UNTIL A CHARACTER IS TYPED
02300 εN REPEAT PREVIOUS IMAGE UNTIL A CHARACTER IS TYPED
02400 O OUTPUT CAREYE FILE.
02500 αO OUTPUT CRE FILE
02600 εO OUTPUT FONT FILE
02700 P PLOT OUTPUT FILE.
02800 Q MAKE FONT
02900 αQ MAKE 1/2 SIZE FONT
03000 R DISPLAY BIT MATRIX FOR THIS CHARACTER.
03100 αR ROTATE IMAGE, LEVEL OR POLYGON (ANGLE IN RADIANS)
03200 S SMOOTH
03300 αS SMOOTH AND KILL VIDEO INTENSITY CONTOUR
03400 βS REPEAT 'S' FOR EACH IMAGE
03500 εS REPEAT 'αS' FOR EACH IMAGE
03600 T TAKE A TV PICTURE
03700 V CREATE VERTEX AT CENTER
03800 αV CREATE NEW VERTEX AT CURRENT VERTEX
03900 βV CREATE NEW VERTEX IN NEW IMAGE
04000 W CENTER IN THE WINDOW.
04100 αW CENTER Y-POSITION ONLY.
04200 βW CENTER X-POSITION ONLY.
04300 εW MOVE POINT SPECIFIED BY LIGHT PEN TO CENTER.
04400 X XTEND MODE COMMANDS
04500 Y DISPLAY SMOOTHED FORM
04600 βY DISPLAY VIDEO INTENSITY CONTOUR
04700 αY DISPLAY BOTH OF ABOVE
04800 εY DISPLAY VIDEO INTENSITY CONTOUR MUNGED ONTO PIXELS
04900 Z ZERO DATA BUFFERS.
05000 αZ RESET LOGICAL CAMERA POSITION
05100 βZ RESET DISPLAY
00100 APPENDIX I (CONTINUED)
00200
00300 + FETCH FILM NODE
00400 α+ FETCH FIRST IMAGE FROM FILM
00500 β+ FETCH FIRST LEVEL FROM FILM
00600 ε+ FETCH FIRST POLYGON FROM FILM
00700
00800 IF A NODE IS CURRENTLY BEING DISPLAYED, THESE COMMANDS AFFECT THAT NODE,
00900 OTHERWISE THEY AFFECT THE CAMERA (VIEWERS) POSITION. <CONTROL> MULTIPLIES
01000 BY 2, <META> MULTIPLIES BY 4.
01100 ; MOVE LEFT (←) BY DELTA
01200 : MOVE RIGHT (→) BY DELTA
01300 ( MOVE UP BY DELTA
01400 ) MOVE DOWN BY DELTA
01500
01600 THESE COMMANDS AFFECT THE CAMERA (VIEWERS) POSITION.
01700 * INCREASE MAGNIFICATION BY DELTA
01800 - DECREASE MAGNIFICATION BY DELTA
01900
02000 THESE COMMANDS CHANGE NODE BEING DISPLAYED
02100 . FETCH COUNTER CLOCKWISE NODE IN RING.
02200 , FETCH CLOCKWISE NODE IN RING.
02300 < FETCH FATHER OF NODE
02400 > FETCH SON OF NODE
02500 ≤ FETCH ARC [OF POLYGON OR VERTEX]
02600 → FETCH POLYGON [OF VERTEX]
02700
02800 EXTENDED COMMANDS
02900
03000 XEROX OUTPUT TV IMAGE TO XGP
03100 HELP DESCRIBE XTENDED FUNTIONS
03200 DDT INVOKE DDT IF PRESENT, RETURN WITH αP
03300 EXIT EXIT TO MONITER
03400 ARCWID SET CONSTANT FOR SMOOTHING
03500 DISPLA TURN ON DISPLAY
03600 -DISPL TURN OFF DISPLAY
03700 KILVIC FLUSH PRE-SMOOTHING LINES
03800 GRID TURN ON GRID
03900 -GRID TURN OFF GRID
04000 CAMERA SELECT CAMERA, "αS" BCLIP, "βS" TCLIP.
04100 KILARC KILL ARC VECTORS
04200 CENTER CENTER ALL IMAGES
04300 POPJ LEAVE TTY LOOP
04400 BABYKI TOGGLE FLAG WHICH BABY POLYGONS
00100 APPENDIX II - NODE FORMATS
00200
00300 ________________________________________________________________
00400 | |
00500 | VERTEX/ARC NODE. POLYGON/REGION NODE. |
00600 | |
00700 | 0 VERTEX-RING 0 POLYGON-RING. |
00800 | 1 ROW,,COL 1 DAD,,SON |
00900 | 2 TYPE,,RELOC 2 TYPE,,RELOC |
01000 | 3 - ,, - 3 - ,, - |
01100 | 4 ARC,, - 4 ARC,,NCNT |
01200 | 5 - ,,PGON 5 - ,,PGON |
01300 | 6 RT SEG,,LT SEG 6 - ,, - |
01400 |________________________________________________________________|
01500 | |
01600 | IMAGE NODE. LEVEL NODE. |
01700 | |
01800 | 0 IMAGE-RING 0 LEVEL-RING |
01900 | 1 - ,,SON 1 - ,,SON |
02000 | 2 TYPE,,RELOC 2 TYPE,,RELOC |
02100 | 3 - ,, - 3 - ,, - |
02200 | 4 - ,, - 4 - ,,NCNT |
02300 | 5 - ,, - 5 - ,, - |
02400 | 6 - ,, - 6 NTIME,,PTIME |
02500 |________________________________________________________________|
02600 | |
02700 | FILM NODE. EMPTY NODE. |
02800 | |
02900 | 0 CORESIZE 0 - ,,AVAIL |
03000 | 1 - ,,SON 1 - ,, - |
03100 | 2 TYPE,,RELOC 2 TYPE,,RELOC |
03200 | 3 - ,,AVAIL 3 - ,, - |
03300 | 4 BLOCK COUNT 4 - ,, - |
03400 | 5 - ,, - 5 - ,, - |
03500 | 6 NTIME,,PTIME 6 NTIME,,PTIME |
03600 |________________________________________________________________|
03700 | |
03800 | SEGMENT NODE. |
03900 | 0 SEGMENT RING |
04000 | 1 - ,, - |
04100 | 2 TYPE,,300003 |
04200 | 3 LDEL,,RDEL |
04300 | 4 LCOL,,RCOL |
04400 | 5 LROW,,RROW |
04500 | 6 LT,,RT |
04600 |________________________________________________________________|