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Drawing Torus with semi-dashed line on it

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1

I would like to draw :

To draw the above torus, I have used the following codes :

documentclass[margin=2mm,tikz]standalone
usepackagepgfplots
begindocument
%Oberflächenproblem
begintikzpicture[rotate=180]
%Torus
draw (0,0) ellipse (1.6 and .9);
%Hole
beginscope[scale=.8]
path[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0) (-.9,0)--(0,-.56)--(.9,0);
draw[rounded corners=28pt] (-1.1,.1)--(0,-.6)--(1.1,.1);
draw[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0);
endscope
%Cut 1
draw[densely dashed] (0,-.9) arc (270:90:.2 and .365);
draw (0,-.9) arc (-90:90:.2 and .365);
%Cut 2
draw (0,.9) arc (90:270:.2 and .348);
draw[densely dashed] (0,.9) arc (90:-90:.2 and .348);
endtikzpicture
enddocument 

It produces:

This is not the same what I want. How can I do the desired torus?

tikz-pgf tikz-3dplot

share|improve this question

asked 2 hours ago

MKSMKS

544

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can do that with TikZ, pgfplots or pstricks, but IMHO none of these packages are made for this. Is there anything that prevents you from using asymptote?
  
  – marmot
  1 hour ago
  

  
  
  
  

add a comment | 

1

I would like to draw :

To draw the above torus, I have used the following codes :

documentclass[margin=2mm,tikz]standalone
usepackagepgfplots
begindocument
%Oberflächenproblem
begintikzpicture[rotate=180]
%Torus
draw (0,0) ellipse (1.6 and .9);
%Hole
beginscope[scale=.8]
path[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0) (-.9,0)--(0,-.56)--(.9,0);
draw[rounded corners=28pt] (-1.1,.1)--(0,-.6)--(1.1,.1);
draw[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0);
endscope
%Cut 1
draw[densely dashed] (0,-.9) arc (270:90:.2 and .365);
draw (0,-.9) arc (-90:90:.2 and .365);
%Cut 2
draw (0,.9) arc (90:270:.2 and .348);
draw[densely dashed] (0,.9) arc (90:-90:.2 and .348);
endtikzpicture
enddocument 

It produces:

This is not the same what I want. How can I do the desired torus?

tikz-pgf tikz-3dplot

share|improve this question

asked 2 hours ago

MKSMKS

544

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can do that with TikZ, pgfplots or pstricks, but IMHO none of these packages are made for this. Is there anything that prevents you from using asymptote?
  
  – marmot
  1 hour ago
  

  
  
  
  

add a comment | 

I would like to draw :

To draw the above torus, I have used the following codes :

documentclass[margin=2mm,tikz]standalone
usepackagepgfplots
begindocument
%Oberflächenproblem
begintikzpicture[rotate=180]
%Torus
draw (0,0) ellipse (1.6 and .9);
%Hole
beginscope[scale=.8]
path[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0) (-.9,0)--(0,-.56)--(.9,0);
draw[rounded corners=28pt] (-1.1,.1)--(0,-.6)--(1.1,.1);
draw[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0);
endscope
%Cut 1
draw[densely dashed] (0,-.9) arc (270:90:.2 and .365);
draw (0,-.9) arc (-90:90:.2 and .365);
%Cut 2
draw (0,.9) arc (90:270:.2 and .348);
draw[densely dashed] (0,.9) arc (90:-90:.2 and .348);
endtikzpicture
enddocument 

It produces:

This is not the same what I want. How can I do the desired torus?

tikz-pgf tikz-3dplot

share|improve this question

asked 2 hours ago

MKSMKS

544

documentclass[margin=2mm,tikz]standalone
usepackagepgfplots
begindocument
%Oberflächenproblem
begintikzpicture[rotate=180]
%Torus
draw (0,0) ellipse (1.6 and .9);
%Hole
beginscope[scale=.8]
path[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0) (-.9,0)--(0,-.56)--(.9,0);
draw[rounded corners=28pt] (-1.1,.1)--(0,-.6)--(1.1,.1);
draw[rounded corners=24pt] (-.9,0)--(0,.6)--(.9,0);
endscope
%Cut 1
draw[densely dashed] (0,-.9) arc (270:90:.2 and .365);
draw (0,-.9) arc (-90:90:.2 and .365);
%Cut 2
draw (0,.9) arc (90:270:.2 and .348);
draw[densely dashed] (0,.9) arc (90:-90:.2 and .348);
endtikzpicture
enddocument 

share|improve this question

asked 2 hours ago

MKSMKS

544

share|improve this question

asked 2 hours ago

MKSMKS

544

asked 2 hours ago

MKSMKS

544

asked 2 hours ago

MKSMKS

544