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geom3d[center] - find the center of a given geometric object
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Calling Sequence
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center(cn, c)
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Parameters
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cn
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(optional) name
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c
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sphere, polyhedron
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Description
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The routine returns the name of the center of the given sphere, or polyhedron c.
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If c is a stellated polyhedron (i.e., geom3d[IsStellated](c) returns true), center(c); returns the center of the core of the given stellated polyhedron.
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if c is a facetted polyhedron (i.e., geom3d[IsFacetted](c); returns true), center(c); returns the center of the case of the given facetted polyhedron.
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If the first optional argument cn is given, the name of the center c becomes cn.
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Use coordinates or detail for more details on the center.
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The command with(geom3d,center) allows the use of the abbreviated form of this command.
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Examples
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Define a sphere
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![sphere(s, x^2+y^2+z^2+x+y+z-3 = 0, [x, y, z], 'centername' = o)](/support/helpjp/helpview.aspx?si=5940/file03998/math99.png)
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![[-1/2, -1/2, -1/2]](/support/helpjp/helpview.aspx?si=5940/file03998/math116.png)
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![[-1/2, -1/2, -1/2]](/support/helpjp/helpview.aspx?si=5940/file03998/math137.png)
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Download Help Document
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