`ifcopenshell.api.alignment.layout_vertical_alignment_by_pi_method`¶

Module Contents¶

ifcopenshell.api.alignment.layout_vertical_alignment_by_pi_method.layout_vertical_alignment_by_pi_method(file: ifcopenshell.file, layout: ifcopenshell.entity_instance, vpoints: collections.abc.Sequence[collections.abc.Sequence[float]], lengths: collections.abc.Sequence[float]) → None¶

Appends IfcAlignmentVerticalSegment to a previously defined IfcAlignmentVertical using the PI layout method. The zero length segment is updated.

Parameters:

file – file
layout – An IfcAlignmentVertical layout
vpoints – (distance_along, Z_height) pairs denoting the location of the vertical PIs, including start and end.
lengths – horizontal length of parabolic vertical curves

Returns:

None