1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
\documentclass{article}
\usepackage{luamplib}
\everymplib{ beginfig(0); }
\everyendmplib{ endfig; }
\begin{document}
\tracingcommands1
A%
\begin{mplibcode}
%% test all printable ascii chars in comments
%% ( 2 < F P Z d n x
%% ) 3 = G Q [ e o y
%% * 4 > H R \ f p z
%% ! + 5 ? I S ] g q {
%% " , 6 @ J T ^ h r |
%% # - 7 A K U _ i s }
%% $ . 8 B L V ` j t ~
%% % / 9 C M W a k u DEL
%% & 0 : D N X b l v
%% ´ 1 ; E O Y c m w
fill fullcircle scaled 20; %% actual <tab> to make sure it works
\end{mplibcode}%
B\par
\everymplib{}\everyendmplib{}% reset toks
A%
\begin{mplibcode}
verbatimtex \lower.2em etex
beginfig(0);
draw origin--(1cm,0) withcolor red;
draw btex g\begin{huge}g\end{huge}etex withcolor blue;
draw bbox currentpicture;
endfig;
beginfig(18);
numeric u;
u = 1cm;
draw (0,2u)--(0,0)--(4u,0);
pickup pencircle scaled 1pt;
draw (0,0){up}
for i=1 upto 8: ..(i/2,sqrt(i/2))*u endfor;
label.lrt(btex $\sqrt x$ etex, (3,sqrt 3)*u);
label.bot(btex $x$ etex, (2u,0));
label.lft(btex $y$ etex, (0,u));
endfig;
\end{mplibcode}%
B\par
A%
\begin{mplibcode}
beginfig(2);
numeric u; u=1cm;
z1=-z2=(-u,0);
for i = 1 upto 3:
draw z1..(0, i*u)..z2;
label.top(TEX("$e_{" & decimal(i) & "}$"), (0, i*u)) withcolor blue;
endfor;
endfig;
\end{mplibcode}%
B\par
\mplibsetformat{metafun}%
\begin{mplibcode}
verbatimtex \moveright 0.4\hsize etex
beginfig(0);
path p; p:= fullcircle scaled 2cm yshifted .5cm;
fill p withcolor transparent("normal", 0.5, red);
fill p rotated 120 withcolor transparent("normal", 0.5, green);
fill p rotated 240 withcolor transparent("normal", 0.5, blue);
endfig;
verbatimtex \leavevmode etex
picture p; p := btex MetaPost etex scaled 2;
beginfig(1);
linear_shade(bbox p,0,blue,.7white);
draw p withcolor white;
endfig;
verbatimtex \kern10pt etex
beginfig(2);
circular_shade(bbox p,0,blue,.7white);
draw p withcolor white;
endfig;
\end{mplibcode}%
\newbox\mympbox
\begin{mplibcode}
verbatimtex \global\setbox\mympbox etex
beginfig(0);
breadth=.667\mpdim\linewidth;
height=2pt;
x1=0; x2=x6=.333x4; x5=x3=.667x4;
x4=breadth;
y1=y4=height/2; y2=y3=height; y5=y6=0;
fill z1--z2--z3--z4--z5--z6--cycle;
endfig;
\end{mplibcode}%
\copy\mympbox
\copy\mympbox
\copy\mympbox
\copy\mympbox
\mplibnumbersystem{double}%
\begin{mplibcode}
beginfig(0);
u := 10**5*(10**-4);
draw unitsquare scaled u;
endfig;
\end{mplibcode}%
\mplibsetformat{plain}%
\begin{mplibcode}
input graph;
beginfig(0);
draw begingraph(100,100);
gdraw (10,10)--(30,35)--(50,25)--(70,80)--(90,90);
autogrid(otick.bot,);
for y=20,40,60,80:
grid.lft(format("%e",1000y), y) withcolor .85white;
endfor
endgraph;
endfig;
\end{mplibcode}%
\end{document}
|
