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3

0

I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?

Cheers

documentclass[tikz,border=3.14mm]standalone 
 begindocument 
 begintikzpicture
 draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
 draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
 draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]();
 draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
 % node[draw] at (2.5,-0.2) node[right, black](a);
 draw[line width=0pt] (0,0) -- (2.5,0) node[below, black](a);
 endtikzpicture 
 enddocument 

tikz-pgf nodes shading

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H98H98

302

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H98 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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3

0

I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?

Cheers

documentclass[tikz,border=3.14mm]standalone 
 begindocument 
 begintikzpicture
 draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
 draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
 draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]();
 draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
 % node[draw] at (2.5,-0.2) node[right, black](a);
 draw[line width=0pt] (0,0) -- (2.5,0) node[below, black](a);
 endtikzpicture 
 enddocument 

tikz-pgf nodes shading

share|improve this question

asked yesterday

H98H98

302

New contributor

H98 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?

Cheers

documentclass[tikz,border=3.14mm]standalone 
 begindocument 
 begintikzpicture
 draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
 draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
 draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]();
 draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
 % node[draw] at (2.5,-0.2) node[right, black](a);
 draw[line width=0pt] (0,0) -- (2.5,0) node[below, black](a);
 endtikzpicture 
 enddocument 

tikz-pgf nodes shading

share|improve this question

asked yesterday

H98H98

302

New contributor

H98 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

documentclass[tikz,border=3.14mm]standalone 
 begindocument 
 begintikzpicture
 draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
 draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
 draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]();
 draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
 % node[draw] at (2.5,-0.2) node[right, black](a);
 draw[line width=0pt] (0,0) -- (2.5,0) node[below, black](a);
 endtikzpicture 
 enddocument 

share|improve this question

asked yesterday

H98H98

302

New contributor

H98 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 yesterday

H98H98

302

New contributor

H98 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

H98H98

302

New contributor

H98 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

H98H98

302

1 Answer
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4

Like this

documentclass[tikz,border=3.14mm]standalone 
begindocument 
begintikzpicture
fill[gray!50] (-.5,-.5) rectangle (pi,4);
fill[white] (0,0) rectangle (2.5,3);
draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue](x);
draw[thick, red,->, >=stealth] (2.5,0) node[below,black] $a$ -- (2.5,3);
endtikzpicture 
enddocument 

Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):

path (0,0) -- (2.5,0) node[below, black](a);

share|improve this answer

edited yesterday

answered yesterday

JouleVJouleV

6,22121650

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4

Like this

documentclass[tikz,border=3.14mm]standalone 
begindocument 
begintikzpicture
fill[gray!50] (-.5,-.5) rectangle (pi,4);
fill[white] (0,0) rectangle (2.5,3);
draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue](x);
draw[thick, red,->, >=stealth] (2.5,0) node[below,black] $a$ -- (2.5,3);
endtikzpicture 
enddocument 

Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):

path (0,0) -- (2.5,0) node[below, black](a);

share|improve this answer

edited yesterday

answered yesterday

JouleVJouleV

6,22121650

add a comment | 

4

Like this

documentclass[tikz,border=3.14mm]standalone 
begindocument 
begintikzpicture
fill[gray!50] (-.5,-.5) rectangle (pi,4);
fill[white] (0,0) rectangle (2.5,3);
draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue](x);
draw[thick, red,->, >=stealth] (2.5,0) node[below,black] $a$ -- (2.5,3);
endtikzpicture 
enddocument 

Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):

path (0,0) -- (2.5,0) node[below, black](a);

share|improve this answer

edited yesterday

answered yesterday

JouleVJouleV

6,22121650

add a comment | 

Like this

documentclass[tikz,border=3.14mm]standalone 
begindocument 
begintikzpicture
fill[gray!50] (-.5,-.5) rectangle (pi,4);
fill[white] (0,0) rectangle (2.5,3);
draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue](x);
draw[thick, red,->, >=stealth] (2.5,0) node[below,black] $a$ -- (2.5,3);
endtikzpicture 
enddocument 

Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):

path (0,0) -- (2.5,0) node[below, black](a);

share|improve this answer

edited yesterday

answered yesterday

JouleVJouleV

6,22121650

documentclass[tikz,border=3.14mm]standalone 
begindocument 
begintikzpicture
fill[gray!50] (-.5,-.5) rectangle (pi,4);
fill[white] (0,0) rectangle (2.5,3);
draw[-stealth] (-0.5,0) -- (pi,0) node[right](x);
draw[-stealth] (0,-0.5) -- (0,4) node[above](V(x)); 
draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue](x);
draw[thick, red,->, >=stealth] (2.5,0) node[below,black] $a$ -- (2.5,3);
endtikzpicture 
enddocument 

path (0,0) -- (2.5,0) node[below, black](a);

share|improve this answer

edited yesterday

answered yesterday

JouleVJouleV

6,22121650

answered yesterday

JouleVJouleV

6,22121650

answered yesterday

JouleVJouleV

6,22121650