81 lines
2.1 KiB
Plaintext
81 lines
2.1 KiB
Plaintext
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database
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barchart(integer)
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chartbar(integer,integer,integer,integer,integer,integer)
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global predicates
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bar(integer,integer,integer,integer,integer)-(i,i,i,i,i) language c
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predicates
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process(char)
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repeat
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retractall
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drawbar(integer,integer,integer,integer)
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goal
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graphics(1,0,0),
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asserta(barchart(0)),
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makewindow(1,1,1,"Bar",0,0,20,40),
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makewindow(2,1,1,"",20,0,4,40),
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repeat,
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write("Press any key to continue"), readchar(_),
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clearwindow,
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makewindow(1,1,1,"Bar",0,0,20,40),
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write("m. Make a bar Chart.\n"),
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write("s. Save your bar Chart.\n"),
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write("l. Load your bar Chart.\n"),
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write("d. Draw your bar Chart.\n"),
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write("e. End\nEnter Choice: "),
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readchar(Choice),
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clearwindow,
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shiftwindow(2),
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process(Choice),
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bios(16,reg(3,0,0,0,0,0,0,0),_).
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clauses
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process('m'):-
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barchart(Nu),
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retract(barchart(Nu)),
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NewNu = Nu+1,
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asserta(barchart(NewNu)),
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write("Enter the number of bars: "),
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readint(NuOfBars),clearwindow,
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write("Enter max value on Y scale: "),
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readint(Max),clearwindow,
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YScale = 140/Max,
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Width = 265/NuOfBars,
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Start = 305-Width,
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clearwindow,
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drawbar(NuOfBars, Width, Start, Yscale),
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fail.
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process('s'):-
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write("Enter file name of chart: "),readln(Name),
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concat(Name,".CHT",FName),save(Fname),fail.
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process('l'):-
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retractall,
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write("Enter file name of chart: "),readln(Name),
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concat(Name,".CHT",FName),consult(FName),fail.
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process('d'):-
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barchart(Chart),
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chartbar(Chart,XPosition,Ypos,Width,YBarSize,1),
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bar(XPosition,Ypos,Width,YBarSize,1),fail.
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process('e').
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drawbar(0,_,_,_):-!.
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drawbar(Nu,Width,XPosition,Yscale):-
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XNuNew=Nu-1,clearwindow,
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write("Enter the value associated bar ",Nu ,": "),
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readint(Y),
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YBarSize=Y*YScale,
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Ypos=140 - YBarSize,
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bar(XPosition,Ypos,Width,YBarSize,1),
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barchart(Chart),
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asserta(chartbar(Chart,XPosition,Ypos,Width,YBarSize,1)),
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XNewPos= XPosition-Width-5,
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drawbar(XNuNew,Width,XNewPos,Yscale).
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repeat.
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repeat:- repeat.
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retractall:- retract(_),fail.
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retractall.
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