Function Entry: ACET-GEOM-ARC-BULGE

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Function Entry: ACET-GEOM-ARC-BULGE

Name

acet-geom-arc-bulge

Class

BricsCAD ExpressTools API Function

Syntax

(acet-geom-arc-bulge center p1 deltaang)

Arguments and Values

Arguments are described in the vendor page; see Source Notes.

Description

Returns the bulge value for specified difference angle deltaang. arguments center and p1 are unused The bulge is the tangent of 1/4 of the included angle for an arc segment, made negative if the arc goes clockwise from the start point to the endpoint. A bulge of 0 indicates a straight segment, and a bulge of 1 is a semicircle.

Return Values

Vendor-defined; see Source Notes.

Availability

AutoCAD 2026: not documented.
BricsCAD V26: documented.
Status: BricsCAD-only.

Source Notes

[acet-geom-arc-bulge (BricsCAD V26 DevRef)](https://developer.bricsys.com/bricscad/help/en_US/V26/DevRef/source/acetgeomarcbulge.htm)
Status: documented (Phase 3 follow-up: body filled from the BricsCAD V26 per-symbol page on 2026-04-26).