Example: A Cone in 3D

Published 2012-04-28 | Author: Marco Daniel

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A Cone in 3D

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% A cone in 3D
% Author: Marco Daniel
\documentclass{article}
\usepackage{tikz}
\usepackage{tikz-3dplot}
\begin{document}

\tdplotsetmaincoords{70}{0}
\begin{tikzpicture}[tdplot_main_coords]
\def\RI{2}
\def\RII{1.25}

\draw[thick] (\RI,0)
  \foreach \x in {0,300,240,180} { --  (\x:\RI) node at (\x:\RI) (R1-\x) {} };
\draw[dashed,thick] (R1-0.center)
  \foreach \x in {60,120,180} { --  (\x:\RI) node at (\x:\RI) (R1-\x) {} };
\path[fill=gray!30] (\RI,0)
  \foreach \x in {0,60,120,180,240,300} { --  (\x:\RI)};

\begin{scope}[yshift=2cm]
\draw[thick,fill=gray!30,opacity=0.2] (\RII,0)
  \foreach \x in {0,60,120,180,240,300,360}
    { --  (\x:\RII) node at (\x:\RII) (R2-\x) {}};
\end{scope}

\foreach \x in {0,180,240,300} { \draw (R1-\x.center)--(R2-\x.center); };
\foreach \x in {60,120} { \draw[dashed] (R1-\x.center)--(R2-\x.center); };
\end{tikzpicture}

\end{document}

Comments

  • #1 Jeff Hein, April 28, 2012 at 11:32 p.m.

    Glad to see the tikz-tdplot package is still useful to people!

  • #2 Marco Daniel, April 29, 2012 at 10:20 a.m.

    @Jeff Hein: It's a great package and I use it very often. Thanks

  • #3 Troy Kang, October 13, 2013 at 1:42 a.m.

    Hi, I'm little confused at the command { -- (\x:\RI) node at (\x:\RI) (R1-\x) {} }, someone willing explain it? Thanks a lot!

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