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SPAabl Global Function api_set_abh_blends

outcome api_set_abh_blends(	ENTITY_LIST const&	`entities`,
	var_radius*	`left_rad`,
	var_radius*	`right_rad`	`= NULL`,
	var_cross_section*	`cross_sec`	`= NULL`,
	CURVE*	`calibration_curve`	`= NULL`,
	EDGE*	`first_edge`	`= NULL`,
	EDGE*	`last_edge`	`= NULL`,
	ENTITY*	`face_edge1`	`= NULL`,
	ENTITY*	`face_edge2`	`= NULL`,
	logical	`smooth1`	`= TRUE`,
	logical	`smooth2`	`= TRUE`,
	double	`start_setback`	`= 0`,
	double	`end_setback`	`= 0`,
	EDGE*	`loft_edge`	`= NULL`,
	double	`start_sbdiff`	`= 0`,
	double	`end_sbdiff`	`= 0`,
	logical	`start_sbdiff_set`	`= TRUE`,
	logical	`end_sbdiff_set`	`= TRUE`,
	double	`start_stop_ang`	`= 0`,
	double	`end_stop_ang`	`= 0`,
	AcisOptions*	`ao`	`= NULL` )

Sets an implicit variable radius blend on each of a list of edges or vertices.The blend radius is described by one or two variable radius objects.

Role: Implicit variable radius blends are attached as attributes to each of the edges or vertices in the list.
The blend radius is described by the var_radius object(s).

Setback at an end of an edge determines where the blend is to be stopped short of the vertex at the edge end. It is only significant when the vertex is blended.

If start stop angle or end stop angle values are specified, the edge blend is stopped and capped with a stop plane at given setback distance. This stop plane is constructed such that the angle between stop plane and edge direction, about the line passing through end points of blend cross section, is equal to the specified stop angle value at that end. Stop angle value of 180 degrees is treated as a special case. In such a case, stop plane is constructed such that it passes through end vertex and end points of blend cross section at given setback distance.

Limitations: Entity-entity blends cannot create a stopped blend. The stopping location is based upon the edge being blended, thus entity-entity blends do not have this defined location.

Effect: Changes model

Journal: Available

Parameters:

entities: entities to be blended.
left_rad: left radius function.
right_rad: right radius function, same as left if NULL.
cross_sec: cross section, circular if NULL.
calibration_curve: defining curve for the blend.
first_edge: first edge in smooth sequence.
last_edge: last edge in smooth sequence.
face_edge1: edge in a face to interpolate.
face_edge2: edge in other face to interpolate.
smooth1: tangency flag if face_edge1 not NULL.
smooth2: tangency flag if face_edge2 not.
start_setback: setback at start of edge.
end_setback: setback at end of edge.
loft_edge: curve defining lofted cross section.
start_sbdiff: setback difference at start.
end_sbdiff: setback difference at end.
start_sbdiff_set: setback difference set at start.
end_sbdiff_set: setback difference set at end.
start_stop_ang: start stop angle.
end_stop_ang: end stop angle.
ao: ACIS options such as version and journal.

This object is included in the file: ablapi.hxx