The 3D ACIS® Modeler (ACIS) is Spatial’s prominent 3D solid modeling engine. 3D InterOp is a CAD data translation framework (Interoperability)

Option:Auto merge periodic vertices

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Contents

Action

Controls whether periodic seam vertices are merged away.

Name String

auto_merge_periodic_vertices

Scheme

Type Values Default
integer -1, 0, 1 -1

C++

Type Values Default
int -1, 0, 1 -1

Description

This option controls whether seam vertices are recorded when periodic edges are split and whether these candidate vertices are merged away at the end of the operation.

Candidate vertices are those that are placed on the seam of a periodic edge to satisfy an ACIS topological requirement and have become superfluous because the edge was split at a location other than the seam.

The merges are attempted with the standard Boolean merge algorithm and are logged on the currently active bulletin board. Vertices with an attached NO_MERGE_ATTRIB are not merged. The merges occur when the current bulletin board is being closed.

The possible values are:

  • -1 Use the default setting of the version of ACIS.
  • 0 Disable automatic merging of periodic seam vertices.
  • 1 Enable automatic merging of periodic seam vertices.

Example

; auto_merge_periodic_vertices 
; enable merging of periodic vertices 
(option:set "auto_merge_periodic_vertices" 1) 
;; -1
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