Using node or draw circle in tikz-3dplot
I am exploring the tikz-3dplot package for drawing objects in 3d and experienced a problem. I simply want to draw a circle and reference some of the points later, but I found there is a difference when using the draw command and using the node command:
documentclass[tikz]{standalone}
usepackage{tikz}
usepackage{tikz-3dplot}
begin{document}
tdplotsetmaincoords{70}{110}
begin{tikzpicture}[tdplot_main_coords]
draw[thick,->] (0,0,0) -- (1,0,0) node[anchor=north east]{$x$};
draw[thick,->] (0,0,0) -- (0,1,0) node[anchor=north west]{$y$};
draw[thick,->] (0,0,0) -- (0,0,1) node[anchor=south]{$z$};
coordinate (O) at (0,0,0);
tdplotsetcoord{P}{1}{70}{40}
draw[-stealth,color=blue] (O) -- (P);
node[draw, circle, radius=0.2] (cir) at (P) {};
draw[red] (P) circle [radius=0.2];
draw (cir.south) -- (cir.north);
end{tikzpicture}%
end{document}
Why is the difference? I would like to use node as I can reference, for example, the south and north points for later use, probably projection. But using node doesn't provide the right shape (I want the red circle to be drawn with node so I can reference it). I don't understand why the node is not using the tdplot_main_coords coordinate system. Thanks.
tikz-pgf nodes tikz-3dplot
asked 6 mins ago
bingungbingung
24619
add a comment |
I am exploring the tikz-3dplot package for drawing objects in 3d and experienced a problem. I simply want to draw a circle and reference some of the points later, but I found there is a difference when using the draw command and using the node command:
documentclass[tikz]{standalone}
usepackage{tikz}
usepackage{tikz-3dplot}
begin{document}
tdplotsetmaincoords{70}{110}
begin{tikzpicture}[tdplot_main_coords]
draw[thick,->] (0,0,0) -- (1,0,0) node[anchor=north east]{$x$};
draw[thick,->] (0,0,0) -- (0,1,0) node[anchor=north west]{$y$};
draw[thick,->] (0,0,0) -- (0,0,1) node[anchor=south]{$z$};
coordinate (O) at (0,0,0);
tdplotsetcoord{P}{1}{70}{40}
draw[-stealth,color=blue] (O) -- (P);
node[draw, circle, radius=0.2] (cir) at (P) {};
draw[red] (P) circle [radius=0.2];
draw (cir.south) -- (cir.north);
end{tikzpicture}%
end{document}
Why is the difference? I would like to use node as I can reference, for example, the south and north points for later use, probably projection. But using node doesn't provide the right shape (I want the red circle to be drawn with node so I can reference it). I don't understand why the node is not using the tdplot_main_coords coordinate system. Thanks.
tikz-pgf nodes tikz-3dplot
asked 6 mins ago
bingungbingung
24619
add a comment |
I am exploring the tikz-3dplot package for drawing objects in 3d and experienced a problem. I simply want to draw a circle and reference some of the points later, but I found there is a difference when using the draw command and using the node command:
documentclass[tikz]{standalone}
usepackage{tikz}
usepackage{tikz-3dplot}
begin{document}
tdplotsetmaincoords{70}{110}
begin{tikzpicture}[tdplot_main_coords]
draw[thick,->] (0,0,0) -- (1,0,0) node[anchor=north east]{$x$};
draw[thick,->] (0,0,0) -- (0,1,0) node[anchor=north west]{$y$};
draw[thick,->] (0,0,0) -- (0,0,1) node[anchor=south]{$z$};
coordinate (O) at (0,0,0);
tdplotsetcoord{P}{1}{70}{40}
draw[-stealth,color=blue] (O) -- (P);
node[draw, circle, radius=0.2] (cir) at (P) {};
draw[red] (P) circle [radius=0.2];
draw (cir.south) -- (cir.north);
end{tikzpicture}%
end{document}
Why is the difference? I would like to use node as I can reference, for example, the south and north points for later use, probably projection. But using node doesn't provide the right shape (I want the red circle to be drawn with node so I can reference it). I don't understand why the node is not using the tdplot_main_coords coordinate system. Thanks.
tikz-pgf nodes tikz-3dplot
asked 6 mins ago
bingungbingung
24619
I am exploring the tikz-3dplot package for drawing objects in 3d and experienced a problem. I simply want to draw a circle and reference some of the points later, but I found there is a difference when using the draw command and using the node command:
documentclass[tikz]{standalone}
usepackage{tikz}
usepackage{tikz-3dplot}
begin{document}
tdplotsetmaincoords{70}{110}
begin{tikzpicture}[tdplot_main_coords]
draw[thick,->] (0,0,0) -- (1,0,0) node[anchor=north east]{$x$};
draw[thick,->] (0,0,0) -- (0,1,0) node[anchor=north west]{$y$};
draw[thick,->] (0,0,0) -- (0,0,1) node[anchor=south]{$z$};
coordinate (O) at (0,0,0);
tdplotsetcoord{P}{1}{70}{40}
draw[-stealth,color=blue] (O) -- (P);
node[draw, circle, radius=0.2] (cir) at (P) {};
draw[red] (P) circle [radius=0.2];
draw (cir.south) -- (cir.north);
end{tikzpicture}%
end{document}
Why is the difference? I would like to use node as I can reference, for example, the south and north points for later use, probably projection. But using node doesn't provide the right shape (I want the red circle to be drawn with node so I can reference it). I don't understand why the node is not using the tdplot_main_coords coordinate system. Thanks.
tikz-pgf nodes tikz-3dplot
tikz-pgf nodes tikz-3dplot
asked 6 mins ago
bingungbingung
24619
asked 6 mins ago
bingungbingung
24619
asked 6 mins ago
bingungbingung
24619
asked 6 mins ago
bingungbingung
24619
asked 6 mins ago
bingungbingung
24619
24619
add a comment |
add a comment |
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