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Purpose:
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Specifies blend behavior at a vertex attached to one or more blended edges.
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Filename:
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blnd/blend/kernbool/blending/vbl_enum.hxx
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Values:
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bl_v_unset=0
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vertex blend
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bl_v_bi_blend=1
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used internally to mark an interior vertex of a blend sequence for which more blend sheet faces will be made.
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bl_v_cusp=2
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notes that two blended edges meeting in a cusp at the vertex and zero, one or more unblended smooth edges meet in the vertex, for which a special vertex blend boundary must be made.
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bl_v_blend=3
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vertex blend.
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bl_v_cap=4
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means cap or mitre at a vertex joined to one or two blended edges (same as default behavior with no attribute on the vertex at the end of a blend sequence.)
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bl_v_roll_on=5
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means close off the open end using edge-face or edge-edge blends.
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bl_v_runout=6
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means close off the open end using a variable-radius blend.
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