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Diffstat (limited to 'Master/texmf-dist/doc/metapost/featpost/example/kindofcube.mp')
-rw-r--r-- | Master/texmf-dist/doc/metapost/featpost/example/kindofcube.mp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/metapost/featpost/example/kindofcube.mp b/Master/texmf-dist/doc/metapost/featpost/example/kindofcube.mp new file mode 100644 index 00000000000..3fdb6078276 --- /dev/null +++ b/Master/texmf-dist/doc/metapost/featpost/example/kindofcube.mp @@ -0,0 +1,81 @@ +% kindofcube.mp +% L. Nobre G. +% 2003 + +input featpost3Dplus2D; + +verbatimtex +\documentclass{article} +\usepackage{beton,concmath,ccfonts} +\begin{document} +etex + +Spread := 30; +f := 5.4*(1.5,0.5,1); + +beginfig(1); + numeric gridstep, sidenumber, i, j, coord, aa, ab, ac; + color pa; + gridstep = 0.9; + sidenumber = 10; + coord = 0.5*sidenumber*gridstep; + for i=0 upto sidenumber: + for j=0 upto sidenumber: + pa := (-coord+j*gridstep,-coord+i*gridstep,0); + aa := uniformdeviate(360); + ab := uniformdeviate(180); + ac := uniformdeviate(90); + kindofcube( false, false, pa, aa, ab, ac, 0.4, 0.4, 0.9 ); + endfor; + endfor; +endfig; + +beginfig(2); + f := (4,1.0,0.5); + Spread := 120; + numeric lena, lenb, lenc, aa, ab, ac, angray, micr; + pair zeror; + color axa, axb, axc, returnedcorner, dummyc, auxx, auxy; + lena=0.3; + lenb=0.6; + lenc=0.9; + aa=130; + ab=20; + ac=70; + angray=0.7; + micr=0.01; + zeror=rp(black); + cartaxes(1,1,1); + axa = ( cosd(aa), sind(aa), 0 ); + axb = axa*cosd(ab)+blue*sind(ab); + auxx= ( cosd(aa+90), sind(aa+90), 0); + auxy = ncrossprod( axb, auxx ); + axc = auxx*cosd(ac)+auxy*sind(ac); + draw zeror--rp(axa); + draw zeror--rp(axb); + draw zeror--rp(-axa); + draw zeror--rp(axc); + draw zeror--rp(auxx); + label.rt( btex $a$ etex, rp(axa) ); + label.rt( btex $b$ etex, rp(axb) ); + label.lft( btex $c$ etex, rp(auxx) ); + label.lft( btex $d$ etex, rp(axc) ); + label.bot( btex $o$ etex, zeror ); + angline( axa,red,black,angray,btex $\alpha_1$ etex,bot ); + angline( axb,axa,black,angray,btex $\alpha_2$ etex,rt ); + angline( axc,auxx,black,angray,btex $\alpha_3$ etex,lft ); + squareangline( -axa,auxx,black,0.2); + kindofcube( true, true, black, aa, ab, ac, lena, lenb, lenc ); + draw zeror--rp(blue) dashed evenly; + dotlabel.bot( btex $l_1$ etex, rp(lena*axb) ); + dotlabel.rt( btex $l_2$ etex, rp(lenb*axc) ); + dotlabel.top( btex $l_3$ etex, rp(lenc*ncrossprod(axb,axc) ) ); +endfig; + +verbatimtex +\end{document} +etex + +end. + + |