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Tikz node without text

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
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2

I have a lot of diagrams with shapes where I draw lines between certain points on the boundary of those shapes. With Tikz I can use nodes to draw shapes, and use anchors like "node.west" to draw lines to points at their boundary.

However, I find it annoying to always set empty brackets after the node, as I never have text. Also instead of always having to specify "minimum height" and "minimum width", I would rather have a "size" key with a default value. Last, I haven't found a nice way to define custom node shapes that doesn't involve low level PGF code which I know nothing about.

Up to now, I'm just using commands that draw the desired shapes at Tikz coordinates. But then I don't have the possibility to use anchors, which I would find quite neat.

Is there a Tikz equivalent of a node, which isn't designed for putting text, but just shapes? Or is there another solution that is similar to what I want?

tikz-pgf tikz-styles tikz-node

share|improve this question

asked 8 hours ago

Andi BauerAndi Bauer

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2

I have a lot of diagrams with shapes where I draw lines between certain points on the boundary of those shapes. With Tikz I can use nodes to draw shapes, and use anchors like "node.west" to draw lines to points at their boundary.

However, I find it annoying to always set empty brackets after the node, as I never have text. Also instead of always having to specify "minimum height" and "minimum width", I would rather have a "size" key with a default value. Last, I haven't found a nice way to define custom node shapes that doesn't involve low level PGF code which I know nothing about.

Up to now, I'm just using commands that draw the desired shapes at Tikz coordinates. But then I don't have the possibility to use anchors, which I would find quite neat.

Is there a Tikz equivalent of a node, which isn't designed for putting text, but just shapes? Or is there another solution that is similar to what I want?

tikz-pgf tikz-styles tikz-node

share|improve this question

asked 8 hours ago

Andi BauerAndi Bauer

35711 silver badge99 bronze badges

add a comment
 | 

I have a lot of diagrams with shapes where I draw lines between certain points on the boundary of those shapes. With Tikz I can use nodes to draw shapes, and use anchors like "node.west" to draw lines to points at their boundary.

However, I find it annoying to always set empty brackets after the node, as I never have text. Also instead of always having to specify "minimum height" and "minimum width", I would rather have a "size" key with a default value. Last, I haven't found a nice way to define custom node shapes that doesn't involve low level PGF code which I know nothing about.

Up to now, I'm just using commands that draw the desired shapes at Tikz coordinates. But then I don't have the possibility to use anchors, which I would find quite neat.

Is there a Tikz equivalent of a node, which isn't designed for putting text, but just shapes? Or is there another solution that is similar to what I want?

tikz-pgf tikz-styles tikz-node

share|improve this question

asked 8 hours ago

Andi BauerAndi Bauer

35711 silver badge99 bronze badges

share|improve this question

asked 8 hours ago

Andi BauerAndi Bauer

35711 silver badge99 bronze badges

share|improve this question

asked 8 hours ago

Andi BauerAndi Bauer

35711 silver badge99 bronze badges

asked 8 hours ago

Andi BauerAndi Bauer

35711 silver badge99 bronze badges

asked 8 hours ago

Andi BauerAndi Bauer

35711 silver badge99 bronze badges

1 Answer
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6

There is the key node contents that specifically allows you to drop the empty braces, . A minor pitfall is that this key needs to come after the name of the node.

documentclass[tikz,border=3mm]standalone
begindocument
begintikzpicture[circle only/.style=circle,draw,inner sep=2pt,node contents=]
 path node (P) [circle only] ;
 %path node[circle only] (P) ; % does not work
 draw (P.north west) -- ++ (-1,1);
endtikzpicture
enddocument

For somewhat more advanced options look up the definition of vertex that ships with tikz-feynman.

share|improve this answer

edited 7 hours ago

answered 8 hours ago

Schrödinger's catSchrödinger's cat

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6

There is the key node contents that specifically allows you to drop the empty braces, . A minor pitfall is that this key needs to come after the name of the node.

documentclass[tikz,border=3mm]standalone
begindocument
begintikzpicture[circle only/.style=circle,draw,inner sep=2pt,node contents=]
 path node (P) [circle only] ;
 %path node[circle only] (P) ; % does not work
 draw (P.north west) -- ++ (-1,1);
endtikzpicture
enddocument

For somewhat more advanced options look up the definition of vertex that ships with tikz-feynman.

share|improve this answer

edited 7 hours ago

answered 8 hours ago

Schrödinger's catSchrödinger's cat

13.5k1717 silver badges3636 bronze badges

add a comment
 | 

6

There is the key node contents that specifically allows you to drop the empty braces, . A minor pitfall is that this key needs to come after the name of the node.

documentclass[tikz,border=3mm]standalone
begindocument
begintikzpicture[circle only/.style=circle,draw,inner sep=2pt,node contents=]
 path node (P) [circle only] ;
 %path node[circle only] (P) ; % does not work
 draw (P.north west) -- ++ (-1,1);
endtikzpicture
enddocument

For somewhat more advanced options look up the definition of vertex that ships with tikz-feynman.

share|improve this answer

edited 7 hours ago

answered 8 hours ago

Schrödinger's catSchrödinger's cat

13.5k1717 silver badges3636 bronze badges

add a comment
 | 

There is the key node contents that specifically allows you to drop the empty braces, . A minor pitfall is that this key needs to come after the name of the node.

documentclass[tikz,border=3mm]standalone
begindocument
begintikzpicture[circle only/.style=circle,draw,inner sep=2pt,node contents=]
 path node (P) [circle only] ;
 %path node[circle only] (P) ; % does not work
 draw (P.north west) -- ++ (-1,1);
endtikzpicture
enddocument

For somewhat more advanced options look up the definition of vertex that ships with tikz-feynman.

share|improve this answer

edited 7 hours ago

answered 8 hours ago

Schrödinger's catSchrödinger's cat

13.5k1717 silver badges3636 bronze badges

documentclass[tikz,border=3mm]standalone
begindocument
begintikzpicture[circle only/.style=circle,draw,inner sep=2pt,node contents=]
 path node (P) [circle only] ;
 %path node[circle only] (P) ; % does not work
 draw (P.north west) -- ++ (-1,1);
endtikzpicture
enddocument

share|improve this answer

edited 7 hours ago

answered 8 hours ago

Schrödinger's catSchrödinger's cat

13.5k1717 silver badges3636 bronze badges

answered 8 hours ago

Schrödinger's catSchrödinger's cat

13.5k1717 silver badges3636 bronze badges

answered 8 hours ago

Schrödinger's catSchrödinger's cat

13.5k1717 silver badges3636 bronze badges