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MinOverlap Rule

Syntax: MinOverlap [EdgeArgs] expression dimension_in_microns [string]

For the parts of each edge of the source that are not coincident or overlapping with source-compatible figures and are coincident or overlapping with target figures which extend into the interior of the source figure, a rectangle extending normally from the edge into the source figure a distance given by the dimension is constructed. The test fails if the constructed rectangle is not completely covered by target figures. Figure 15.12 illustrates the test performed under this keyword, for no Region and an expression consisting of a single layer.

When importing Virtuoso technology data, the minExtension constraint maps directly to this rule.

Figure 15.12: The MinOverlap test. The minimum width of an intersection of the present layer (solid) and the argument layer (dotted) must not be less than the given dimension.

Stephen R. Whiteley 2018-02-26