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1

1

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

What would be the correct code to obtain a 8cm black line which is colored in green from 5th centimeter to 7th centimeter?

tikz-pgf tikz-arrows

share|improve this question

asked 1 hour ago

NipNip

556

New contributor

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

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Add more points to your path.
  
  – Weijun Zhou
  1 hour ago
  

  
  
  
  

add a comment | 

1

1

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

What would be the correct code to obtain a 8cm black line which is colored in green from 5th centimeter to 7th centimeter?

tikz-pgf tikz-arrows

share|improve this question

asked 1 hour ago

NipNip

556

New contributor

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

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Add more points to your path.
  
  – Weijun Zhou
  1 hour ago
  

  
  
  
  

add a comment | 

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

What would be the correct code to obtain a 8cm black line which is colored in green from 5th centimeter to 7th centimeter?

tikz-pgf tikz-arrows

share|improve this question

asked 1 hour ago

NipNip

556

New contributor

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

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

share|improve this question

asked 1 hour ago

NipNip

556

New contributor

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

share|improve this question

asked 1 hour ago

NipNip

556

New contributor

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

asked 1 hour ago

NipNip

556

New contributor

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

asked 1 hour ago

NipNip

556

1 Answer
1

active

oldest

votes

3

You can use postaction along with dash pattern for this.

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->,postaction=-,draw=green,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

EDIT: A somewhat cleaner version (because no line gets overdrawn, which makes a difference if the opacity is nontrivial) which is cast into a style.

documentclass[tikz,border=3.14mm]standalone
begindocument 
begintikzpicture[replace stretch/.style args=from #1 to #2 by #3%
/utils/exec=pgfmathsetmacroofflen#2-#1,
dash pattern=on #1 off offlen pt on 10cm,
postaction=#3,dash pattern=on 0pt off #1 on offlen pt off 10cm]
 draw[->,replace stretch=from 5cm to 7cm by -,draw=green] (0,0) -- ++(25:8cm);
 draw[->,replace stretch=from 5cm to 7cm by -,draw=white] (0,1) -- ++(25:8cm) ;
 draw[->,replace stretch=from 5cm to 7cm by -,draw=none] (0,2) -- ++(25:8cm) ;
endtikzpicture 
enddocument

share|improve this answer

edited 4 mins ago

answered 1 hour ago

marmotmarmot

122k6159297

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Clever use of dash pattern.
  
  – Weijun Zhou
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is it possible to use some kind of solid pattern instead of dash?
  
  – Nip
  49 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Nip What precisely do you mean? It is a solid line between 5cm and 7cm.
  
  – marmot
  35 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If you think there is dash pattern between 5cm and 7cm then you didn't get the "cleverness" of this method.
  
  – Weijun Zhou
  29 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Nip I confirm that (with some viewers) you can see relics of the black line if you use white. Do they disappear on you viewer if you do draw[->,postaction=-,draw=white,line width=0.42pt,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ; instead? BTW, if you just want a white gap, you could just do draw[->,dash pattern=on 5cm off 2cm on 2cm] (0,0) -- (25:8cm) ;.
  
  – marmot
  22 mins ago
  

  
  
  
  

 | 
show 3 more comments

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3

You can use postaction along with dash pattern for this.

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->,postaction=-,draw=green,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

EDIT: A somewhat cleaner version (because no line gets overdrawn, which makes a difference if the opacity is nontrivial) which is cast into a style.

documentclass[tikz,border=3.14mm]standalone
begindocument 
begintikzpicture[replace stretch/.style args=from #1 to #2 by #3%
/utils/exec=pgfmathsetmacroofflen#2-#1,
dash pattern=on #1 off offlen pt on 10cm,
postaction=#3,dash pattern=on 0pt off #1 on offlen pt off 10cm]
 draw[->,replace stretch=from 5cm to 7cm by -,draw=green] (0,0) -- ++(25:8cm);
 draw[->,replace stretch=from 5cm to 7cm by -,draw=white] (0,1) -- ++(25:8cm) ;
 draw[->,replace stretch=from 5cm to 7cm by -,draw=none] (0,2) -- ++(25:8cm) ;
endtikzpicture 
enddocument

share|improve this answer

edited 4 mins ago

answered 1 hour ago

marmotmarmot

122k6159297

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Clever use of dash pattern.
  
  – Weijun Zhou
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is it possible to use some kind of solid pattern instead of dash?
  
  – Nip
  49 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Nip What precisely do you mean? It is a solid line between 5cm and 7cm.
  
  – marmot
  35 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If you think there is dash pattern between 5cm and 7cm then you didn't get the "cleverness" of this method.
  
  – Weijun Zhou
  29 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Nip I confirm that (with some viewers) you can see relics of the black line if you use white. Do they disappear on you viewer if you do draw[->,postaction=-,draw=white,line width=0.42pt,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ; instead? BTW, if you just want a white gap, you could just do draw[->,dash pattern=on 5cm off 2cm on 2cm] (0,0) -- (25:8cm) ;.
  
  – marmot
  22 mins ago
  

  
  
  
  

 | 
show 3 more comments

3

You can use postaction along with dash pattern for this.

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->,postaction=-,draw=green,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

EDIT: A somewhat cleaner version (because no line gets overdrawn, which makes a difference if the opacity is nontrivial) which is cast into a style.

documentclass[tikz,border=3.14mm]standalone
begindocument 
begintikzpicture[replace stretch/.style args=from #1 to #2 by #3%
/utils/exec=pgfmathsetmacroofflen#2-#1,
dash pattern=on #1 off offlen pt on 10cm,
postaction=#3,dash pattern=on 0pt off #1 on offlen pt off 10cm]
 draw[->,replace stretch=from 5cm to 7cm by -,draw=green] (0,0) -- ++(25:8cm);
 draw[->,replace stretch=from 5cm to 7cm by -,draw=white] (0,1) -- ++(25:8cm) ;
 draw[->,replace stretch=from 5cm to 7cm by -,draw=none] (0,2) -- ++(25:8cm) ;
endtikzpicture 
enddocument

share|improve this answer

edited 4 mins ago

answered 1 hour ago

marmotmarmot

122k6159297

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Clever use of dash pattern.
  
  – Weijun Zhou
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is it possible to use some kind of solid pattern instead of dash?
  
  – Nip
  49 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Nip What precisely do you mean? It is a solid line between 5cm and 7cm.
  
  – marmot
  35 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If you think there is dash pattern between 5cm and 7cm then you didn't get the "cleverness" of this method.
  
  – Weijun Zhou
  29 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Nip I confirm that (with some viewers) you can see relics of the black line if you use white. Do they disappear on you viewer if you do draw[->,postaction=-,draw=white,line width=0.42pt,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ; instead? BTW, if you just want a white gap, you could just do draw[->,dash pattern=on 5cm off 2cm on 2cm] (0,0) -- (25:8cm) ;.
  
  – marmot
  22 mins ago
  

  
  
  
  

 | 
show 3 more comments

You can use postaction along with dash pattern for this.

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->,postaction=-,draw=green,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

EDIT: A somewhat cleaner version (because no line gets overdrawn, which makes a difference if the opacity is nontrivial) which is cast into a style.

documentclass[tikz,border=3.14mm]standalone
begindocument 
begintikzpicture[replace stretch/.style args=from #1 to #2 by #3%
/utils/exec=pgfmathsetmacroofflen#2-#1,
dash pattern=on #1 off offlen pt on 10cm,
postaction=#3,dash pattern=on 0pt off #1 on offlen pt off 10cm]
 draw[->,replace stretch=from 5cm to 7cm by -,draw=green] (0,0) -- ++(25:8cm);
 draw[->,replace stretch=from 5cm to 7cm by -,draw=white] (0,1) -- ++(25:8cm) ;
 draw[->,replace stretch=from 5cm to 7cm by -,draw=none] (0,2) -- ++(25:8cm) ;
endtikzpicture 
enddocument

share|improve this answer

edited 4 mins ago

answered 1 hour ago

marmotmarmot

122k6159297

documentclass[tikz]standalone

begindocument 
 begintikzpicture
 draw[->,postaction=-,draw=green,dash pattern=on 0pt off 5cm on 2cm off 2cm] (0,0) -- (25:8cm) ;
 endtikzpicture 
enddocument

documentclass[tikz,border=3.14mm]standalone
begindocument 
begintikzpicture[replace stretch/.style args=from #1 to #2 by #3%
/utils/exec=pgfmathsetmacroofflen#2-#1,
dash pattern=on #1 off offlen pt on 10cm,
postaction=#3,dash pattern=on 0pt off #1 on offlen pt off 10cm]
 draw[->,replace stretch=from 5cm to 7cm by -,draw=green] (0,0) -- ++(25:8cm);
 draw[->,replace stretch=from 5cm to 7cm by -,draw=white] (0,1) -- ++(25:8cm) ;
 draw[->,replace stretch=from 5cm to 7cm by -,draw=none] (0,2) -- ++(25:8cm) ;
endtikzpicture 
enddocument

share|improve this answer

edited 4 mins ago

answered 1 hour ago

marmotmarmot

122k6159297

answered 1 hour ago

marmotmarmot

122k6159297

answered 1 hour ago

marmotmarmot

122k6159297