Tikz regular polygon corner names
4
The following code gives No shape named S.corner 1 is known. error. What am I doing wrong?
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon, regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
pic [draw, angle radius=.6cm] {angle = S.corner 1--S.corner 6--S.corner 5};
end{tikzpicture}
end{document}
tikz-pgf
asked Mar 15 at 15:39
blackenedblackened
1,670714
add a comment |
4
The following code gives No shape named S.corner 1 is known. error. What am I doing wrong?
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon, regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
pic [draw, angle radius=.6cm] {angle = S.corner 1--S.corner 6--S.corner 5};
end{tikzpicture}
end{document}
tikz-pgf
asked Mar 15 at 15:39
blackenedblackened
1,670714
I don't know thepiccommand, butdraw (S.corner 1) -- (S.corner 6);works fine with your example.
– Anthony Labarre
Mar 15 at 16:16
1
That's the standard problem that the angle construction adds point anchors center to the coordinates.
– marmot
Mar 15 at 16:38
add a comment |
4
4
4
The following code gives No shape named S.corner 1 is known. error. What am I doing wrong?
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon, regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
pic [draw, angle radius=.6cm] {angle = S.corner 1--S.corner 6--S.corner 5};
end{tikzpicture}
end{document}
tikz-pgf
asked Mar 15 at 15:39
blackenedblackened
1,670714
The following code gives No shape named S.corner 1 is known. error. What am I doing wrong?
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon, regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
pic [draw, angle radius=.6cm] {angle = S.corner 1--S.corner 6--S.corner 5};
end{tikzpicture}
end{document}
tikz-pgf
tikz-pgf
asked Mar 15 at 15:39
blackenedblackened
1,670714
asked Mar 15 at 15:39
blackenedblackened
1,670714
edited Mar 15 at 15:46
blackened
asked Mar 15 at 15:39
blackenedblackened
1,670714
asked Mar 15 at 15:39
blackenedblackened
1,670714
asked Mar 15 at 15:39
blackenedblackened
1,670714
1,670714
I don't know thepiccommand, butdraw (S.corner 1) -- (S.corner 6);works fine with your example.
– Anthony Labarre
Mar 15 at 16:16
1
That's the standard problem that the angle construction adds point anchors center to the coordinates.
– marmot
Mar 15 at 16:38
add a comment |
I don't know thepiccommand, butdraw (S.corner 1) -- (S.corner 6);works fine with your example.
– Anthony Labarre
Mar 15 at 16:16
1
That's the standard problem that the angle construction adds point anchors center to the coordinates.
– marmot
Mar 15 at 16:38
I don't know the
pic command, but draw (S.corner 1) -- (S.corner 6); works fine with your example.– Anthony Labarre
Mar 15 at 16:16
I don't know the
pic command, but draw (S.corner 1) -- (S.corner 6); works fine with your example.– Anthony Labarre
Mar 15 at 16:16
1
1
That's the standard problem that the angle construction adds point anchors center to the coordinates.
– marmot
Mar 15 at 16:38
That's the standard problem that the angle construction adds point anchors center to the coordinates.
– marmot
Mar 15 at 16:38
add a comment |
1 Answer
1
active
oldest
votes
2
tikzlibraryangles.code.tex contains
deftikz@lib@rightangle@background#1--#2--#3pgf@stop{%
path [name prefix ..] [pic actions, draw=none] (#2.center)
-- ++(tikz@start@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@end@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@start@angle@temp:-tikz@lib@angle@rad pt)
-- cycle;
}%
from which you see that it attaches .center to the second coordinate #2. This does not work if #2 is already an anchor. To work around this problem (rather than redefining tikz@lib@rightangle@background and the other commands that attach .center), you may just define auxiliary coordinates.
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon,
regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
path foreach X in {1,...,9} {(S.corner X) coordinate (corner X)};
pic [draw, angle radius=.6cm] {angle = corner 1--corner 6--corner 5};
end{tikzpicture}
end{document}
answered Mar 15 at 16:45
marmotmarmot
111k5140264
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
2
tikzlibraryangles.code.tex contains
deftikz@lib@rightangle@background#1--#2--#3pgf@stop{%
path [name prefix ..] [pic actions, draw=none] (#2.center)
-- ++(tikz@start@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@end@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@start@angle@temp:-tikz@lib@angle@rad pt)
-- cycle;
}%
from which you see that it attaches .center to the second coordinate #2. This does not work if #2 is already an anchor. To work around this problem (rather than redefining tikz@lib@rightangle@background and the other commands that attach .center), you may just define auxiliary coordinates.
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon,
regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
path foreach X in {1,...,9} {(S.corner X) coordinate (corner X)};
pic [draw, angle radius=.6cm] {angle = corner 1--corner 6--corner 5};
end{tikzpicture}
end{document}
answered Mar 15 at 16:45
marmotmarmot
111k5140264
add a comment |
2
tikzlibraryangles.code.tex contains
deftikz@lib@rightangle@background#1--#2--#3pgf@stop{%
path [name prefix ..] [pic actions, draw=none] (#2.center)
-- ++(tikz@start@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@end@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@start@angle@temp:-tikz@lib@angle@rad pt)
-- cycle;
}%
from which you see that it attaches .center to the second coordinate #2. This does not work if #2 is already an anchor. To work around this problem (rather than redefining tikz@lib@rightangle@background and the other commands that attach .center), you may just define auxiliary coordinates.
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon,
regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
path foreach X in {1,...,9} {(S.corner X) coordinate (corner X)};
pic [draw, angle radius=.6cm] {angle = corner 1--corner 6--corner 5};
end{tikzpicture}
end{document}
answered Mar 15 at 16:45
marmotmarmot
111k5140264
add a comment |
2
2
2
tikzlibraryangles.code.tex contains
deftikz@lib@rightangle@background#1--#2--#3pgf@stop{%
path [name prefix ..] [pic actions, draw=none] (#2.center)
-- ++(tikz@start@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@end@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@start@angle@temp:-tikz@lib@angle@rad pt)
-- cycle;
}%
from which you see that it attaches .center to the second coordinate #2. This does not work if #2 is already an anchor. To work around this problem (rather than redefining tikz@lib@rightangle@background and the other commands that attach .center), you may just define auxiliary coordinates.
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon,
regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
path foreach X in {1,...,9} {(S.corner X) coordinate (corner X)};
pic [draw, angle radius=.6cm] {angle = corner 1--corner 6--corner 5};
end{tikzpicture}
end{document}
answered Mar 15 at 16:45
marmotmarmot
111k5140264
tikzlibraryangles.code.tex contains
deftikz@lib@rightangle@background#1--#2--#3pgf@stop{%
path [name prefix ..] [pic actions, draw=none] (#2.center)
-- ++(tikz@start@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@end@angle@temp:tikz@lib@angle@rad pt)
-- ++(tikz@start@angle@temp:-tikz@lib@angle@rad pt)
-- cycle;
}%
from which you see that it attaches .center to the second coordinate #2. This does not work if #2 is already an anchor. To work around this problem (rather than redefining tikz@lib@rightangle@background and the other commands that attach .center), you may just define auxiliary coordinates.
documentclass[tikz,border=10pt]{standalone}
usetikzlibrary{angles}
usetikzlibrary{shapes}
usetikzlibrary{shapes.geometric}
begin{document}
begin{tikzpicture}
node[name=S,regular polygon,
regular polygon sides=9, draw, minimum width=6cm] at (0,0) {};
path foreach X in {1,...,9} {(S.corner X) coordinate (corner X)};
pic [draw, angle radius=.6cm] {angle = corner 1--corner 6--corner 5};
end{tikzpicture}
end{document}
answered Mar 15 at 16:45
marmotmarmot
111k5140264
answered Mar 15 at 16:45
marmotmarmot
111k5140264
answered Mar 15 at 16:45
marmotmarmot
111k5140264
answered Mar 15 at 16:45
marmotmarmot
111k5140264
111k5140264
add a comment |
add a comment |
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I don't know the
piccommand, butdraw (S.corner 1) -- (S.corner 6);works fine with your example.– Anthony Labarre
Mar 15 at 16:16
1
That's the standard problem that the angle construction adds point anchors center to the coordinates.
– marmot
Mar 15 at 16:38