external()

Measures the distance between outside edges of polygons of different layers.

See also: dve_drc()

Syntax

dve_drc (external (inLayer1, inLayer2) operator distance [, msgString]
[, qualifierName, qualifierValue...]);
where:

inLayer1 Containing polygon layer
inLayer2 Contained polygon layer
operator < Less than
<= Less than or equal to
== Equal to
> Greater than
>= Greater than or equal to
distance A distance value in layout units
msgString A string value that will be attached to the selected error segments
qualifierName, qualifierValue A name, value pair that qualifies the selection

Edge Qualifiers

DVE_RN_EDGE_ANGLES
DVE_RN_ANGLE_TOLERANCE
DVE_RN_SEPARATE
DVE_RN_TOUCH
DVE_RN_SLOPE, DVE_RN_SLOPE_FROM, DVE_RN_SLOPE_TO
DVE_RN_TEMPLATE, DVE_RN_TEMPLATE_TO, DVE_RN_TEMPLATE_FROM

Example

decl lyrCond = dve_import_layer ("cond");
decl lyrCond2 = dve_import_layer ("cond2");
decl lyrError101 = dve_export_layer ("error101");

lyrError101 += dve_drc (external (lyrCond, lyrCond2) < 4.0,
        "Outside edges of metal layers < 4.0",
        DVE_RN_EDGE_ANGLES, DVE_RV_PARALLEL);
 

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