#4604: Graphics() should work in 3d as a valid empty object
----------------------+-----------------------------------------------------
Reporter: mhampton | Owner: was
Type: defect | Status: new
Priority: minor | Milestone: sage-3.2.1
Component: graphics | Keywords: graphics, 3d
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From sage-support (and this has bugged me too):
I'm not sure if this is a bug or just something I'm misunderstanding,
but for 2D graphics I can write code like this.
{{{
g = Graphics()
g += line( [ [-1,-1], [1,1] ] )
g.show()
}}}
But in 3D if I do either
{{{
g = Graphics()
g += sphere( (1,1,1), 2 )
g.show()
}}}
or
{{{
g = sage.plot.plot3d.base.Graphics3dGroup()
g += sphere( (1,1,1), 2 )
g.show()
}}}
I get the error:
{{{
ValueError: min() arg is an empty sequence
}}}
Is there something I'm missing on how to create a graphics object and
add 3D graphics to it like the way it's done in 2D?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4604>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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