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input boxes;
verbatimtex
\documentclass{article}
\usepackage{palatino}
\usepackage{concmath}
\usepackage{ccfonts}
\begin{document}
etex
defaultfont:="cmssu30";
beginfig(1);
numeric ymax, xmax, ymed,ylow;
ymax = 2in;
xmax = 3in;
ymed = 1.25in;
ylow = 0.2in;
z1 = (xmax,0);
z2 = (xmax,ymed);
z5 = (xmax,ymax);
z3 = z2+0.4*(z5-z2);
z4 = z2+0.7*(z5-z2);
z7 = (0,ymax);
z6 = z5+0.7*(z7-z5);
z9 = (0,ymed);
z8 = z7+0.8*(z9-z7);
z10= z9+0.5*(origin-z9);
z11= (xmax/12,ymed);
z13= (xmax/3,ymed);
z14= (5*xmax/12,ymed);
z15= (7*xmax/12,0.8*ymed);
z16= (7*xmax/12,0.6*ymed);
z17= (3*xmax/4,ymed);
z18= (5*xmax/6,ymed);
path a,b,c,d;
a = z6{down}..z14..z15..z17..z4;
b = z9--z2;
c = z10..{right}z13..z2;
d = z8..z11..z16..z18..z3;
z12 = c intersectionpoint d;
pickup pencircle scaled 2pt;
draw origin--z1--z5--z7--cycle;
draw a;
draw b;
draw c;
draw d;
% dotlabels.urt(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18);
label.top(btex $h^-_{I\! I}$ etex,z15);
label.bot(btex $h^+_{I\! I}$ etex,z16);
label.lrt(btex $h_{I}$ etex,z10);
label.urt(btex $h_0$ etex,(x12,ymed));
label.bot(btex $K_3/K_1$ etex,0.5*(z1-origin));
label.lft(btex $h$ etex,0.5*(z7-origin));
pickup pencircle scaled 0pt;
draw (x11,0)--(x11,ymax);
draw (x12,0)--(x12,ymax);
draw (x13,0)--(x13,ymax);
draw (x14,0)--(x14,ymax);
draw (x17,0)--(x17,ymax);
draw (x18,0)--(x18,ymax);
label(btex $C_1$ etex,((x7+x11)/2,ylow));
label(btex $C_3$ etex,((x12+x11)/2,ylow));
label(btex $C_2$ etex,((x13+x12)/2,ylow));
label(btex $B$ etex,((x14+x13)/2,ylow));
label(btex $A_1$ etex,((x17+x14)/2,ylow));
label(btex $B$ etex,((x18+x17)/2,ylow));
label(btex $A_2$ etex,((x1+x18)/2,ylow));
endfig;
beginfig(2);
numeric ymax, xmax, i, j, noise, twist, grid, size, u, actsize;
pair actpos, direct, one, two;
u = 0.5mm;
xmax = 9;
ymax = 9;
noise = 1u;
size = 5u;
pickup pencircle scaled u;
grid = size + 3*noise;
twist = 70/(grid*(xmax++ymax));
label.lft( btex tor\c{c}\~{a}o etex, grid*(-xmax-1,ymax) );
for i=-xmax upto -1: % twist
for j=1 upto ymax:
actpos:=(grid*i+noise*normaldeviate,grid*j+noise*normaldeviate);
direct:=dir(90);
actsize:=size*sind(3*(xpart actpos)*twist)/2;
% direct:=dir(angle(actpos)+90);
% actsize:=size*sind(abs(actpos)*twist)/2;
one:=actpos-actsize*direct;
two:=actpos+actsize*direct;
draw one--two;
endfor;
endfor;
label.rt( btex flex\~{a}o etex, grid*(xmax+1,ymax) );
for i=1 upto xmax: % bend
for j=1 upto ymax:
actpos:=(grid*i+noise*normaldeviate,grid*j+noise*normaldeviate);
direct:=dir(angle(actpos)+90);
actsize:=size/2;
one:=actpos-actsize*direct;
two:=actpos+actsize*direct;
draw one--two;
endfor;
endfor;
label.rt( btex sela etex, grid*(xmax+1,-ymax) );
for i=1 upto xmax: % saddle-splay
for j=-ymax upto -1:
actpos:=(grid*i+noise*normaldeviate,grid*j+noise*normaldeviate);
direct:=dir(-angle(actpos));
actsize:=size*sind(abs(actpos)*twist)/2;
one:=actpos-actsize*direct;
two:=actpos+actsize*direct;
draw one--two;
endfor;
endfor;
label.lft( btex afunilamento etex, grid*(-xmax-1,-ymax) );
for i=-xmax upto -1: % splay
for j=-ymax upto -1:
actpos:=(grid*i+noise*normaldeviate,grid*j+noise*normaldeviate);
direct:=unitvector(actpos);
% actsize:=size/2;
actsize:=size*sind(abs(actpos)*twist)/2;
one:=actpos-actsize*direct;
two:=actpos+actsize*direct;
draw one--two;
endfor;
endfor;
endfig;
beginfig(3);
numeric vertj;
path ab, at, tb;
vertj = 1cm;
boxit.afun( btex afunilamento etex );
boxit.bend( btex flex\~{a}o etex );
boxit.torc( btex tor\c{c}\~{a}o etex );
afun.se=bend.sw-vertj*up;
afun.ne=bend.nw-vertj*up;
bend.se=torc.sw+2*vertj*up;
bend.ne=torc.nw+2*vertj*up;
drawunboxed( afun, bend, torc );
ab = afun.n{up}..{right}bend.w;
at = afun.s{down}..{right}torc.w;
tb = torc.n{up}..{left}bend.e;
pickup pencircle scaled 1pt;
drawarrow ab;
drawarrow at;
drawarrow tb;
label.top( btex $\beta$ etex, point 0.5*length ab of ab );
label.bot( btex $\psi$ etex, point 0.5*length at of at );
label.rt( btex $\beta$ etex, point 0.5*length tb of tb );
endfig;
verbatimtex
\end{document}
etex
end;
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