P&&AFDMAOEGINXXYYOFPPXYZPVISQQQLLNZOOOOOVVVDDDDUCCCSSQQQXYZVCVCVCAAAXAYATQISAVIIXTYTZTXTYTZTFFXYXYPOPLLLRRTTBBXYXYRANANFLAANXXDDLLDLHDHLDHHADDAA A B AA eA}eAeA9eASe@@u@AAo@P@0PA@ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJK@LMNOPQRSTUVWXYZ[?H\?www]^_`abcAdAeAf Aghij11** ANALOG COMPUTING ** JUN 84 ** PAGE 93 **d +n##(***************************x##(* 3-D IMAGE PLOT SYSTEM *##(* BY TOM HUDSON *##(* ROTATION: LARRY HARRIS *##(* ANALOG COMPUTING # 16 *##(***************************yR;@,;@,;@ ,;@,;@,;@,;@,a6.>:@',y67@,.>:@,?6-6-A'6-36-A?6-B-((DMA OFF-0Y*0NA7((OUTPUT TO PLOTTER!70Y*0NA4NA a A@7@@PU(@*H*I*M0,-300*Ia6-6("(ILE OR EYBOARD INPUT&64FA0KA )(%(HOW MANY POINTS ARE THERE)&&9,9,9,9<@,9,..(&ENTER X,Y,Z COORDINATES FOR EACH POINTF-@(POINT '068,-968,-B68,-F 7($(HOW MANY LINES ARE THERE(79<@,"&(&(NOW ENTER POINT INFORMATION,(FOR EACH LINE.6n-@( (LINE 0( FROM POINT4E68<,-U( TO POINTYj68<@,-n @?(+(DO YOU WANT TO SAVE THIS OBJECT/?4YAPJ0NA T!!***************************^!!* TIME FOR NEW PLOT *h!!***************************r((((ENTER OBSERVER LOCATION X,Y,Z|( OR FOR EDIT A@6-@ ,(,(!ENTER COORDINATES LOOKED AT X,Y,Z A.((ENTER ZOOM FACTOR& A0*. =()(DO YOU WANT TO DO AN X-Y LOOP-=0YA@A%(HOW MANY DEG. TOTAL ROTATION)A6-+'A`,$@(]$(HOW MANY DEG. INC. ROTATION(@6-+'A`,$@(J A#]SET UP PAGE FLIP A 068,-!68,-068,-)6-@4Y)AY!!***************************!!* CALCULATE PERSPECTIVE *!!*************************** 6-&6-&6-&.6-M:$%$%$,"".6-= 6-'6-'6-')6-M:@&$,)6-M:@&$,! 6-%$6-%$!6-%$:-6-8,#6-8,,6-8,6 A: &(-(8,"Ap02 6-8,6-8,6-8,( A2 Ap:  A@D!!***************************N!!* IS THE POINT VISIBLE? *X!!***************************b*68,-@6-&"6-&*6-&l$%$%$!$v68,-$!!***************************!!* NOW CALC PLOT COORDS *!!***************************6-'+$%$%$,! 6-%$6-%$!6-%$"A &&68<@,-++&,$&+&,$,'68<@,-+&,'$&&68<@,-++&,$%+&,$,'68<@,-+&,'$!!***************************!!* SCALE THE IMAGE *!!***************************6-AP$- !!68<@,-8<@,$!!68<@,-8<@,$  *"6-A`&8<@,A6-@&8<@,O-@m68<@,-8<@,%68<@,-8<@,% 4!!***************************>!!* NOW DRAW THE IMAGE! *H!!***************************R5 A"'0@1@5 \9 4Y9(@ M0,0*D480,0*D480,288*D0,288*D0,0fI-@56-88<,,%88<@,,I"Ap"@A zl6-6-/88<,,"@6-8<,Q6-8<@,b6-8<,l A 66-8<@,%6-8<,66-8<@,Q 6-8,6-8,6-8,'6-8,06-8,96-8,E6-Q6-C6-+%,'@'6-+%,'@96-+%,'@C A.8,!6-6-$6-. A P 6-6-6-%6-%@% @A  6-6-6- Ab Ap-68<@,-8<@,$%M68<@,-8<@,$%\68,-b6-6-88<,<@,C6-A&88<,<@,_6-88<@,<@,6-A&88<@,<@, AP4N)"Ai[(@M$@P,+A&,$@P*D$@P,+A&,$@Pi6-%@ 4!((@ H*M0,-300*I46-@ -@6@<2A(@@  A!33F:B2y,"@*T:,"@A5" +"(LAST PARAMETERS:$V(#( OBSERVER: ,,@( VIEWPOINT:,,L(ZOOM:V A@.!!***************************8!!* LOAD 3-D IMAGE FILE *B!!***************************L_@*(ENTER FILENAME TO LOAD.8 AU@@_ AV3@39,9,9,9<@,9,`+-@@'68,-+ j+-@@'68,-+ t+-@@'68,-+ ~@9<@,Q-@@/68<,-<@M68<@,-Q @  A@(((FILE FORMAT ERROR!( A-(#( I/O ERROR - F:A,- A((CAN'T OPEN FILE!( PRESS %!!***************************!!* SAVE 3-D IMAGE FILE *!!***************************_@*(ENTER FILENAME TO SAVE.8 AU@@_ A(@%-@!(@8,% %-@!(@8,%  %-@!(@8,% \(@-@6(@8<,N(@8<@,R \ Ap!!***************************(!!* EDIT THE 3-D IMAGE DATA *2!!***************************<7  (#(RINT, DIT OR UIT'74EAF4QA@P0PA@Z A@3POINTS:3d9-@23POINT : 8,8,8,6 93n3LINES:3xT-@C3LINE : 8<, TO 8<@,G J3T A@>  (*(EDIT OINT OR INE OR XIT.>4LA4EA 0PAH("(ENTER POINT# OR , A0H!) A@&(&(X=8,Y=8,Z=8,.($(ENTER NEW X,Y,Z OR . A0 68,-68,-&68,-0 AG(!(ENTER LINE# OR + A/G!) A@(#( FROM POINT:8<,@( TO POINT:8<@,4(*(ENTER NEW LINE POINTS OR 4 A&( FROM POINT:&!A68<,-&( TO POINT:&!A068<@,- A!!***************************!!* GRAPHICS CLIP ROUTINE *"!!***************************,o6-6-'6-36-?6-K6-W6-c6-o6-6  6-@ A@ !6-@J !6-@ A0T  6-@^  6-@ APh !6-@r !6-@ Ap|  6-@85%"@)%"@)%"@)%"@8$% 6-6-6-6-% A0 6-6-6-6-1 6-6-6-6-!6-'6-1 A0(% )!) )!) )!) )!($ ,/6-@$$%%%"6-!6-$$> 6-%6-%+&,$+&,'+&,+6-16-;*>$> 6-%6-%+&,$+&,'+&,+6-16-;*>$> 6-%6-%+&,$+&,'+&,+6-16-;*>$1 6-%6-%+&,$+&,'+&,+6-16-$D6-@16-+#@%#@,#?P<6-D:',D6-%4! 6-%6-$E:,!6-$G:,H A@PAGE FLIP(+@$$ !6-=%6-%@&@$+"@,=6-@&+"@,@ -@@6@<2@@@ %%@8,%%@8,%%A8,%%A8,!@8,!@8,*6-8,%AV$8,*6-?:A6<,$SET UP DATA FOR PAGE FLIPQ A%;9@,9@,9@,9@,G6-Q#A$ ""6@A#0 )A6%6-%@) A# L6-@ A#P%6-@BAF:A,&@2L A#P$ $. g +@$68,-F:@,168,-F:@,S6-F:A`,%AV$F:Aa,g68,-F:%A,8 68,-F:%A,$_ CLR DATA` ^^104,24,104,133,4,104,133,3,165,4,105,30,133,10,160,0,169,0,145,3,200,192,0,208,249,160,0j &&230,4,165,4,197,10,208,237,96,-1  +@$$ D:IMAGE3D.BAS