Modify Corners

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Description

This feature allows four different ways to modify corners of a shape. All modification can be limited to positive/negative angles or sharp angles. Pathes and Boxes are converted to polygons in this operation. Zero width pathes and partly selected pathes are ignored.

Supported Modifications

add/remove area

An area is added/substracted to each corner of selected shape. The size of the added area is proportional to the angle of the corner and negative for inside angles/corners. The first required value is the size of an equivalent square added for a right angle. The second value describes how the area is added. This feature may be used for a rule based optical proximity correction (OPC).

Chamfer

Fillet Round

Fillet Bezier

Usage

select shapes which should be modified,
if only some vertexes of a shape should be modified, select just these vertexes with PointSelectMode,
call ModifyCorners.