How to make line join circle node perfectly

up vote
7
down vote

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I was connecting a line to a circle node, when I noticed that (under a microscope) the line does not meet the circular node's radius perfectly. This wouldn't normally be visible, but with an ultra thick line and small node radius, the gap becomes obvious.

documentclass[preview]standalone
usepackagetikz
begindocument
begintikzpicture
draw (0,-3pt) -- (0,3pt);
draw (0.3,-3pt) -- (0.3,3pt);
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt,fill=white] ;
draw[ultra thick] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

TikZ thick line joining two small circle nodes

How do I make the line meet without any gap?

EDIT: Ideally the circle nodes should be empty, so as to allow lines behind them to be visible or not. I have updated the MWE and picture to reflect that.

edited yesterday

asked Sep 9 at 5:34

onomou

384

New contributor

add a commentÂ |Â

up vote
7
down vote

favorite

documentclass[preview]standalone
usepackagetikz
begindocument
begintikzpicture
draw (0,-3pt) -- (0,3pt);
draw (0.3,-3pt) -- (0.3,3pt);
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt,fill=white] ;
draw[ultra thick] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

TikZ thick line joining two small circle nodes

How do I make the line meet without any gap?

EDIT: Ideally the circle nodes should be empty, so as to allow lines behind them to be visible or not. I have updated the MWE and picture to reflect that.

edited yesterday

asked Sep 9 at 5:34

onomou

384

New contributor

add a commentÂ |Â

up vote
7
down vote

favorite

documentclass[preview]standalone
usepackagetikz
begindocument
begintikzpicture
draw (0,-3pt) -- (0,3pt);
draw (0.3,-3pt) -- (0.3,3pt);
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt,fill=white] ;
draw[ultra thick] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

TikZ thick line joining two small circle nodes

How do I make the line meet without any gap?

EDIT: Ideally the circle nodes should be empty, so as to allow lines behind them to be visible or not. I have updated the MWE and picture to reflect that.

edited yesterday

asked Sep 9 at 5:34

onomou

384

New contributor

documentclass[preview]standalone
usepackagetikz
begindocument
begintikzpicture
draw (0,-3pt) -- (0,3pt);
draw (0.3,-3pt) -- (0.3,3pt);
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt,fill=white] ;
draw[ultra thick] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

TikZ thick line joining two small circle nodes

How do I make the line meet without any gap?

EDIT: Ideally the circle nodes should be empty, so as to allow lines behind them to be visible or not. I have updated the MWE and picture to reflect that.

tikz-pgf

edited yesterday

asked Sep 9 at 5:34

onomou

384

New contributor

edited yesterday

asked Sep 9 at 5:34

onomou

384

New contributor

edited yesterday

asked Sep 9 at 5:34

onomou

384

New contributor

asked Sep 9 at 5:34

onomou

384

asked Sep 9 at 5:34

onomou

384

New contributor

onomou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

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3 Answers
3

active

oldest

votes

up vote
8
down vote

accepted

Anohter option is to simply connect the center points and then redraw with a fill=white option, or, as per marmot's suggestion, you can do the drawing all at once:

enter image description here

Code:

documentclass[preview, border=0.5pt]standalone
usepackagetikz

tikzsetNode Style/.style=thick, draw,fill=white,circle,inner sep=0pt,minimum size=3pt

begindocument
begintikzpicture
node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;

draw [ultra thick] (leftEnd.center) -- (rightEnd.center);

node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;
endtikzpicture
%
begintikzpicture
draw[ultra thick] 
 (0,0) node[Node Style] 
 -- (0.3,0) node[Node Style] ;
endtikzpicture%
enddocument

edited 2 days ago

answered Sep 9 at 9:01

Peter Grill

160k24425731

This works in isolation, but my use case is more general. I am graphing linear inequalities and use the circle nodes for endpoints of an inequality, eg. this one.
â€“Â onomou
2 days ago

@onomou This answer still works if you draw these things on the background layer. Load usetikzlibrarybackgrounds and do beginscope[on background layer] draw[ultra thick] (0,0) node[Node Style] -- (0.3,0) node[Node Style] ; endscope.
â€“Â marmot
2 days ago

@onomou: If marmot's suggestion or one of the answers here does not work for you, please update the question with a MWE the reflects your use case more accurately.
â€“Â Peter Grill
yesterday

@PeterGrill Good point. I have updated the question for clarity.
â€“Â onomou
yesterday

add a commentÂ |Â

up vote
7
down vote

You can adjust the shorten value ,shorten >=1.5pt,shorten <=1.5pt, or use the arrows.meta library to get the same result.

RESULT: Zoom 1000%

enter image description here

MWE:

documentclass[tikz]standalone
usetikzlibraryarrows.meta
begindocument
begintikzpicture[
 >=Circle[fill=none,length=3.5pt,line width=0.5]
]
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
draw[ultra thick,shorten >=1.5pt,shorten <=1.5pt] (leftEnd.center) -- (rightEnd.center);
draw[ultra thick,<->,shorten >=-1.75pt,shorten <=-1.75pt] (0,-10pt) -- ++(0.3,0);

endtikzpicture
enddocument

answered Sep 9 at 6:39

J Leon V.

6,595528

shorten >= is no longer documented in the 3.01a manual of Tikz, can you document it more fully in order to make your solution understandable for those who do not have the Tikz 1.18 manual?
â€“Â AndrÃ©C
Sep 9 at 7:07

1

@AndrÃ©C: Hmmm. Wow, did not know that that was going to be removed? It is still used in may examples though.
â€“Â Peter Grill
Sep 9 at 8:55

@PeterGrill I see that it is used in many examples, but the documentation is no longer given, which hinders the understanding of the answer. Thus, it would be nice if its use were explained in the answers that use it.
â€“Â AndrÃ©C
Sep 9 at 8:58

1

@Zarko The examples in the documentation will never replace clear documentation such as the 1.18 manual, which is fortunately still available (until when?) here: bu.edu/math/files/2013/08/tikzpgfmanual.pdf
â€“Â AndrÃ©C
Sep 9 at 14:00

1

@AndrÃ©C, thank you for the link. yeah, this manual is 11 year old, short and (very) nice. this description seems to be lost when was arrows.meta adding. a big pity!
â€“Â Zarko
Sep 9 at 14:10

Â |Â
show 1 more comment

up vote
7
down vote

to the some line width it helps if you set in nodes' style outer sep=0pt:

documentclass[tikz, margin=3mm]standalone

begindocument
begintikzpicture[
circ/.style = circle, draw, inner sep=0pt, minimum size=3pt, outer sep=0pt
 ]
node (leftEnd) [circ] ;
node (rightEnd) [circ] at (0.5,0) ;
draw[ultra thick] (leftEnd) -- (rightEnd);
draw[line width=6pt, gray, semitransparent] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

enter image description here

answered Sep 9 at 12:40

Zarko

112k861150

@marmot, i know this! also i mentioned in answer that proposed solution wok to a some line width :-) . however, i didn't mention to which ratio between circle and line width ...
â€“Â Zarko
Sep 9 at 15:13

1

This seems to be the simplest method, not needing any extra tikzlibrary or scoping.
â€“Â onomou
yesterday

add a commentÂ |Â

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3 Answers
3

active

oldest

votes

3 Answers
3

active

oldest

votes

up vote
8
down vote

accepted

Anohter option is to simply connect the center points and then redraw with a fill=white option, or, as per marmot's suggestion, you can do the drawing all at once:

enter image description here

Code:

documentclass[preview, border=0.5pt]standalone
usepackagetikz

tikzsetNode Style/.style=thick, draw,fill=white,circle,inner sep=0pt,minimum size=3pt

begindocument
begintikzpicture
node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;

draw [ultra thick] (leftEnd.center) -- (rightEnd.center);

node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;
endtikzpicture
%
begintikzpicture
draw[ultra thick] 
 (0,0) node[Node Style] 
 -- (0.3,0) node[Node Style] ;
endtikzpicture%
enddocument

edited 2 days ago

answered Sep 9 at 9:01

Peter Grill

160k24425731

This works in isolation, but my use case is more general. I am graphing linear inequalities and use the circle nodes for endpoints of an inequality, eg. this one.
â€“Â onomou
2 days ago

@onomou This answer still works if you draw these things on the background layer. Load usetikzlibrarybackgrounds and do beginscope[on background layer] draw[ultra thick] (0,0) node[Node Style] -- (0.3,0) node[Node Style] ; endscope.
â€“Â marmot
2 days ago

@onomou: If marmot's suggestion or one of the answers here does not work for you, please update the question with a MWE the reflects your use case more accurately.
â€“Â Peter Grill
yesterday

@PeterGrill Good point. I have updated the question for clarity.
â€“Â onomou
yesterday

add a commentÂ |Â

up vote
8
down vote

accepted

Anohter option is to simply connect the center points and then redraw with a fill=white option, or, as per marmot's suggestion, you can do the drawing all at once:

enter image description here

Code:

documentclass[preview, border=0.5pt]standalone
usepackagetikz

tikzsetNode Style/.style=thick, draw,fill=white,circle,inner sep=0pt,minimum size=3pt

begindocument
begintikzpicture
node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;

draw [ultra thick] (leftEnd.center) -- (rightEnd.center);

node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;
endtikzpicture
%
begintikzpicture
draw[ultra thick] 
 (0,0) node[Node Style] 
 -- (0.3,0) node[Node Style] ;
endtikzpicture%
enddocument

edited 2 days ago

answered Sep 9 at 9:01

Peter Grill

160k24425731

This works in isolation, but my use case is more general. I am graphing linear inequalities and use the circle nodes for endpoints of an inequality, eg. this one.
â€“Â onomou
2 days ago

@onomou This answer still works if you draw these things on the background layer. Load usetikzlibrarybackgrounds and do beginscope[on background layer] draw[ultra thick] (0,0) node[Node Style] -- (0.3,0) node[Node Style] ; endscope.
â€“Â marmot
2 days ago

@onomou: If marmot's suggestion or one of the answers here does not work for you, please update the question with a MWE the reflects your use case more accurately.
â€“Â Peter Grill
yesterday

@PeterGrill Good point. I have updated the question for clarity.
â€“Â onomou
yesterday

add a commentÂ |Â

up vote
8
down vote

accepted

Anohter option is to simply connect the center points and then redraw with a fill=white option, or, as per marmot's suggestion, you can do the drawing all at once:

enter image description here

Code:

documentclass[preview, border=0.5pt]standalone
usepackagetikz

tikzsetNode Style/.style=thick, draw,fill=white,circle,inner sep=0pt,minimum size=3pt

begindocument
begintikzpicture
node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;

draw [ultra thick] (leftEnd.center) -- (rightEnd.center);

node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;
endtikzpicture
%
begintikzpicture
draw[ultra thick] 
 (0,0) node[Node Style] 
 -- (0.3,0) node[Node Style] ;
endtikzpicture%
enddocument

edited 2 days ago

answered Sep 9 at 9:01

Peter Grill

160k24425731

Anohter option is to simply connect the center points and then redraw with a fill=white option, or, as per marmot's suggestion, you can do the drawing all at once:

enter image description here

Code:

documentclass[preview, border=0.5pt]standalone
usepackagetikz

tikzsetNode Style/.style=thick, draw,fill=white,circle,inner sep=0pt,minimum size=3pt

begindocument
begintikzpicture
node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;

draw [ultra thick] (leftEnd.center) -- (rightEnd.center);

node (leftEnd) at (0,0) [Node Style] ;
node (rightEnd) at (0.3,0) [Node Style] ;
endtikzpicture
%
begintikzpicture
draw[ultra thick] 
 (0,0) node[Node Style] 
 -- (0.3,0) node[Node Style] ;
endtikzpicture%
enddocument

edited 2 days ago

answered Sep 9 at 9:01

Peter Grill

160k24425731

edited 2 days ago

answered Sep 9 at 9:01

Peter Grill

160k24425731

answered Sep 9 at 9:01

Peter Grill

160k24425731

answered Sep 9 at 9:01

Peter Grill

160k24425731

This works in isolation, but my use case is more general. I am graphing linear inequalities and use the circle nodes for endpoints of an inequality, eg. this one.
â€“Â onomou
2 days ago

@onomou This answer still works if you draw these things on the background layer. Load usetikzlibrarybackgrounds and do beginscope[on background layer] draw[ultra thick] (0,0) node[Node Style] -- (0.3,0) node[Node Style] ; endscope.
â€“Â marmot
2 days ago

@onomou: If marmot's suggestion or one of the answers here does not work for you, please update the question with a MWE the reflects your use case more accurately.
â€“Â Peter Grill
yesterday

@PeterGrill Good point. I have updated the question for clarity.
â€“Â onomou
yesterday

add a commentÂ |Â

This works in isolation, but my use case is more general. I am graphing linear inequalities and use the circle nodes for endpoints of an inequality, eg. this one.
â€“Â onomou
2 days ago

@onomou This answer still works if you draw these things on the background layer. Load usetikzlibrarybackgrounds and do beginscope[on background layer] draw[ultra thick] (0,0) node[Node Style] -- (0.3,0) node[Node Style] ; endscope.
â€“Â marmot
2 days ago

@onomou: If marmot's suggestion or one of the answers here does not work for you, please update the question with a MWE the reflects your use case more accurately.
â€“Â Peter Grill
yesterday

@PeterGrill Good point. I have updated the question for clarity.
â€“Â onomou
yesterday

This works in isolation, but my use case is more general. I am graphing linear inequalities and use the circle nodes for endpoints of an inequality, eg. this one.
â€“Â onomou
2 days ago

@onomou This answer still works if you draw these things on the background layer. Load usetikzlibrarybackgrounds and do beginscope[on background layer] draw[ultra thick] (0,0) node[Node Style] -- (0.3,0) node[Node Style] ; endscope.
â€“Â marmot
2 days ago

@onomou: If marmot's suggestion or one of the answers here does not work for you, please update the question with a MWE the reflects your use case more accurately.
â€“Â Peter Grill
yesterday

@PeterGrill Good point. I have updated the question for clarity.
â€“Â onomou
yesterday

add a commentÂ |Â

up vote
7
down vote

You can adjust the shorten value ,shorten >=1.5pt,shorten <=1.5pt, or use the arrows.meta library to get the same result.

RESULT: Zoom 1000%

enter image description here

MWE:

documentclass[tikz]standalone
usetikzlibraryarrows.meta
begindocument
begintikzpicture[
 >=Circle[fill=none,length=3.5pt,line width=0.5]
]
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
draw[ultra thick,shorten >=1.5pt,shorten <=1.5pt] (leftEnd.center) -- (rightEnd.center);
draw[ultra thick,<->,shorten >=-1.75pt,shorten <=-1.75pt] (0,-10pt) -- ++(0.3,0);

endtikzpicture
enddocument

answered Sep 9 at 6:39

J Leon V.

6,595528

shorten >= is no longer documented in the 3.01a manual of Tikz, can you document it more fully in order to make your solution understandable for those who do not have the Tikz 1.18 manual?
â€“Â AndrÃ©C
Sep 9 at 7:07

1

@AndrÃ©C: Hmmm. Wow, did not know that that was going to be removed? It is still used in may examples though.
â€“Â Peter Grill
Sep 9 at 8:55

@PeterGrill I see that it is used in many examples, but the documentation is no longer given, which hinders the understanding of the answer. Thus, it would be nice if its use were explained in the answers that use it.
â€“Â AndrÃ©C
Sep 9 at 8:58

1

@Zarko The examples in the documentation will never replace clear documentation such as the 1.18 manual, which is fortunately still available (until when?) here: bu.edu/math/files/2013/08/tikzpgfmanual.pdf
â€“Â AndrÃ©C
Sep 9 at 14:00

1

@AndrÃ©C, thank you for the link. yeah, this manual is 11 year old, short and (very) nice. this description seems to be lost when was arrows.meta adding. a big pity!
â€“Â Zarko
Sep 9 at 14:10

Â |Â
show 1 more comment

up vote
7
down vote

You can adjust the shorten value ,shorten >=1.5pt,shorten <=1.5pt, or use the arrows.meta library to get the same result.

RESULT: Zoom 1000%

enter image description here

MWE:

documentclass[tikz]standalone
usetikzlibraryarrows.meta
begindocument
begintikzpicture[
 >=Circle[fill=none,length=3.5pt,line width=0.5]
]
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
draw[ultra thick,shorten >=1.5pt,shorten <=1.5pt] (leftEnd.center) -- (rightEnd.center);
draw[ultra thick,<->,shorten >=-1.75pt,shorten <=-1.75pt] (0,-10pt) -- ++(0.3,0);

endtikzpicture
enddocument

answered Sep 9 at 6:39

J Leon V.

6,595528

shorten >= is no longer documented in the 3.01a manual of Tikz, can you document it more fully in order to make your solution understandable for those who do not have the Tikz 1.18 manual?
â€“Â AndrÃ©C
Sep 9 at 7:07

1

@AndrÃ©C: Hmmm. Wow, did not know that that was going to be removed? It is still used in may examples though.
â€“Â Peter Grill
Sep 9 at 8:55

@PeterGrill I see that it is used in many examples, but the documentation is no longer given, which hinders the understanding of the answer. Thus, it would be nice if its use were explained in the answers that use it.
â€“Â AndrÃ©C
Sep 9 at 8:58

1

@Zarko The examples in the documentation will never replace clear documentation such as the 1.18 manual, which is fortunately still available (until when?) here: bu.edu/math/files/2013/08/tikzpgfmanual.pdf
â€“Â AndrÃ©C
Sep 9 at 14:00

1

@AndrÃ©C, thank you for the link. yeah, this manual is 11 year old, short and (very) nice. this description seems to be lost when was arrows.meta adding. a big pity!
â€“Â Zarko
Sep 9 at 14:10

Â |Â
show 1 more comment

up vote
7
down vote

You can adjust the shorten value ,shorten >=1.5pt,shorten <=1.5pt, or use the arrows.meta library to get the same result.

RESULT: Zoom 1000%

enter image description here

MWE:

documentclass[tikz]standalone
usetikzlibraryarrows.meta
begindocument
begintikzpicture[
 >=Circle[fill=none,length=3.5pt,line width=0.5]
]
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
draw[ultra thick,shorten >=1.5pt,shorten <=1.5pt] (leftEnd.center) -- (rightEnd.center);
draw[ultra thick,<->,shorten >=-1.75pt,shorten <=-1.75pt] (0,-10pt) -- ++(0.3,0);

endtikzpicture
enddocument

answered Sep 9 at 6:39

J Leon V.

6,595528

You can adjust the shorten value ,shorten >=1.5pt,shorten <=1.5pt, or use the arrows.meta library to get the same result.

RESULT: Zoom 1000%

enter image description here

MWE:

documentclass[tikz]standalone
usetikzlibraryarrows.meta
begindocument
begintikzpicture[
 >=Circle[fill=none,length=3.5pt,line width=0.5]
]
node (leftEnd) at (0,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
node (rightEnd) at (0.3,0) [draw,circle,inner sep=0pt,minimum size=3pt] ;
draw[ultra thick,shorten >=1.5pt,shorten <=1.5pt] (leftEnd.center) -- (rightEnd.center);
draw[ultra thick,<->,shorten >=-1.75pt,shorten <=-1.75pt] (0,-10pt) -- ++(0.3,0);

endtikzpicture
enddocument

answered Sep 9 at 6:39

J Leon V.

6,595528

answered Sep 9 at 6:39

J Leon V.

6,595528

answered Sep 9 at 6:39

J Leon V.

6,595528

answered Sep 9 at 6:39

J Leon V.

6,595528

shorten >= is no longer documented in the 3.01a manual of Tikz, can you document it more fully in order to make your solution understandable for those who do not have the Tikz 1.18 manual?
â€“Â AndrÃ©C
Sep 9 at 7:07

1

@AndrÃ©C: Hmmm. Wow, did not know that that was going to be removed? It is still used in may examples though.
â€“Â Peter Grill
Sep 9 at 8:55

@PeterGrill I see that it is used in many examples, but the documentation is no longer given, which hinders the understanding of the answer. Thus, it would be nice if its use were explained in the answers that use it.
â€“Â AndrÃ©C
Sep 9 at 8:58

1

@Zarko The examples in the documentation will never replace clear documentation such as the 1.18 manual, which is fortunately still available (until when?) here: bu.edu/math/files/2013/08/tikzpgfmanual.pdf
â€“Â AndrÃ©C
Sep 9 at 14:00

1

@AndrÃ©C, thank you for the link. yeah, this manual is 11 year old, short and (very) nice. this description seems to be lost when was arrows.meta adding. a big pity!
â€“Â Zarko
Sep 9 at 14:10

Â |Â
show 1 more comment

shorten >= is no longer documented in the 3.01a manual of Tikz, can you document it more fully in order to make your solution understandable for those who do not have the Tikz 1.18 manual?
â€“Â AndrÃ©C
Sep 9 at 7:07

1

@AndrÃ©C: Hmmm. Wow, did not know that that was going to be removed? It is still used in may examples though.
â€“Â Peter Grill
Sep 9 at 8:55

@PeterGrill I see that it is used in many examples, but the documentation is no longer given, which hinders the understanding of the answer. Thus, it would be nice if its use were explained in the answers that use it.
â€“Â AndrÃ©C
Sep 9 at 8:58

1

@Zarko The examples in the documentation will never replace clear documentation such as the 1.18 manual, which is fortunately still available (until when?) here: bu.edu/math/files/2013/08/tikzpgfmanual.pdf
â€“Â AndrÃ©C
Sep 9 at 14:00

1

@AndrÃ©C, thank you for the link. yeah, this manual is 11 year old, short and (very) nice. this description seems to be lost when was arrows.meta adding. a big pity!
â€“Â Zarko
Sep 9 at 14:10

shorten >= is no longer documented in the 3.01a manual of Tikz, can you document it more fully in order to make your solution understandable for those who do not have the Tikz 1.18 manual?
â€“Â AndrÃ©C
Sep 9 at 7:07

@AndrÃ©C: Hmmm. Wow, did not know that that was going to be removed? It is still used in may examples though.
â€“Â Peter Grill
Sep 9 at 8:55

@PeterGrill I see that it is used in many examples, but the documentation is no longer given, which hinders the understanding of the answer. Thus, it would be nice if its use were explained in the answers that use it.
â€“Â AndrÃ©C
Sep 9 at 8:58

@Zarko The examples in the documentation will never replace clear documentation such as the 1.18 manual, which is fortunately still available (until when?) here: bu.edu/math/files/2013/08/tikzpgfmanual.pdf
â€“Â AndrÃ©C
Sep 9 at 14:00

@AndrÃ©C, thank you for the link. yeah, this manual is 11 year old, short and (very) nice. this description seems to be lost when was arrows.meta adding. a big pity!
â€“Â Zarko
Sep 9 at 14:10

Â |Â
show 1 more comment

up vote
7
down vote

to the some line width it helps if you set in nodes' style outer sep=0pt:

documentclass[tikz, margin=3mm]standalone

begindocument
begintikzpicture[
circ/.style = circle, draw, inner sep=0pt, minimum size=3pt, outer sep=0pt
 ]
node (leftEnd) [circ] ;
node (rightEnd) [circ] at (0.5,0) ;
draw[ultra thick] (leftEnd) -- (rightEnd);
draw[line width=6pt, gray, semitransparent] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

enter image description here

answered Sep 9 at 12:40

Zarko

112k861150

@marmot, i know this! also i mentioned in answer that proposed solution wok to a some line width :-) . however, i didn't mention to which ratio between circle and line width ...
â€“Â Zarko
Sep 9 at 15:13

1

This seems to be the simplest method, not needing any extra tikzlibrary or scoping.
â€“Â onomou
yesterday

add a commentÂ |Â

up vote
7
down vote

to the some line width it helps if you set in nodes' style outer sep=0pt:

documentclass[tikz, margin=3mm]standalone

begindocument
begintikzpicture[
circ/.style = circle, draw, inner sep=0pt, minimum size=3pt, outer sep=0pt
 ]
node (leftEnd) [circ] ;
node (rightEnd) [circ] at (0.5,0) ;
draw[ultra thick] (leftEnd) -- (rightEnd);
draw[line width=6pt, gray, semitransparent] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

enter image description here

answered Sep 9 at 12:40

Zarko

112k861150

@marmot, i know this! also i mentioned in answer that proposed solution wok to a some line width :-) . however, i didn't mention to which ratio between circle and line width ...
â€“Â Zarko
Sep 9 at 15:13

1

This seems to be the simplest method, not needing any extra tikzlibrary or scoping.
â€“Â onomou
yesterday

add a commentÂ |Â

up vote
7
down vote

to the some line width it helps if you set in nodes' style outer sep=0pt:

documentclass[tikz, margin=3mm]standalone

begindocument
begintikzpicture[
circ/.style = circle, draw, inner sep=0pt, minimum size=3pt, outer sep=0pt
 ]
node (leftEnd) [circ] ;
node (rightEnd) [circ] at (0.5,0) ;
draw[ultra thick] (leftEnd) -- (rightEnd);
draw[line width=6pt, gray, semitransparent] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

enter image description here

answered Sep 9 at 12:40

Zarko

112k861150

to the some line width it helps if you set in nodes' style outer sep=0pt:

documentclass[tikz, margin=3mm]standalone

begindocument
begintikzpicture[
circ/.style = circle, draw, inner sep=0pt, minimum size=3pt, outer sep=0pt
 ]
node (leftEnd) [circ] ;
node (rightEnd) [circ] at (0.5,0) ;
draw[ultra thick] (leftEnd) -- (rightEnd);
draw[line width=6pt, gray, semitransparent] (leftEnd) -- (rightEnd);
endtikzpicture
enddocument

enter image description here

answered Sep 9 at 12:40

Zarko

112k861150

answered Sep 9 at 12:40

Zarko

112k861150

answered Sep 9 at 12:40

Zarko

112k861150

answered Sep 9 at 12:40

Zarko

112k861150

@marmot, i know this! also i mentioned in answer that proposed solution wok to a some line width :-) . however, i didn't mention to which ratio between circle and line width ...
â€“Â Zarko
Sep 9 at 15:13

1

This seems to be the simplest method, not needing any extra tikzlibrary or scoping.
â€“Â onomou
yesterday

add a commentÂ |Â

@marmot, i know this! also i mentioned in answer that proposed solution wok to a some line width :-) . however, i didn't mention to which ratio between circle and line width ...
â€“Â Zarko
Sep 9 at 15:13

1

This seems to be the simplest method, not needing any extra tikzlibrary or scoping.
â€“Â onomou
yesterday

@marmot, i know this! also i mentioned in answer that proposed solution wok to a some line width :-) . however, i didn't mention to which ratio between circle and line width ...
â€“Â Zarko
Sep 9 at 15:13

This seems to be the simplest method, not needing any extra tikzlibrary or scoping.
â€“Â onomou
yesterday

add a commentÂ |Â

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