#5230: implement boundary_style parameter for parametric 3d plots
-------------------------+--------------------------------------------------
 Reporter:  was          |       Owner:  was       
     Type:  enhancement  |      Status:  new       
 Priority:  major        |   Milestone:  sage-3.4.1
Component:  graphics     |    Keywords:            
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 Basically make it easy to create plots like this but in 1 line:
 {{{
 u, v = var('u,v')
 G = parametric_plot3d((cos(u), sin(u) + cos(v), sin(v)), (u, 0, pi), (v,
 0, pi), opacity=0.9)
 C = parametric_plot3d((cos(0), sin(0) + cos(v), sin(v)), (v, 0, pi),
 color='black', thickness=2)
 D = parametric_plot3d((cos(pi), sin(pi) + cos(v), sin(v)), (v, 0, pi),
 color='black', thickness=2)
 E = parametric_plot3d((cos(u), sin(u) + cos(0), sin(0)), (u, 0, pi),
 color='black', thickness=2)
 F = parametric_plot3d((cos(u), sin(u) + cos(pi), sin(pi)), (u, 0, pi),
 color='black', thickness=2)
 K = G + C + D + E + F
 }}}

 Input would probably be like this (dictionary):
 {{{
 u, v = var('u,v')
 parametric_plot3d((cos(u), sin(u) + cos(v), sin(v)), (u, 0, pi), (v, 0,
 pi),
       boundary_style={'color':'black', 'thickness':2})
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5230>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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