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Action:
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Determines if a scheme-object is a linear curve.
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Filename:
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kern/kern_scm/qgom_scm.cxx
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Syntax:
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(curve:linear? object)
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Arg Types:
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object
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scheme-object
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Returns:
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boolean
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Description:
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This extension returns
#t if the object is a linear curve; otherwise, it returns
#f.
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object specifies the
scheme-object that has to be queried for linearity.
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Example:
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; curve:linear?
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; Create a linear curve, and determine if the
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; resulting object is actually a linear curve.
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(define curve1
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(curve:linear (position 0 0 0)
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(position 30 30 30)))
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;; curve1
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(curve:linear? curve1)
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;; #t
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(define edge1
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(edge:linear (position 0 0 0)
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(position 30 30 30)))
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;; edge1
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(curve:linear? edge1)
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;; #f
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