Implemented #487

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The solution is to provide a new layer type: text collections.
This layer type can be manipulated by

* Boolean AND and NOT with polygons
* Polygon interact with texts
* Flatten
* Text filters

Layers of this kind are generated through "labels" now in LVS
and DRC. Text layers are more consistent than the previous
solution which consisted of pseudo-labels embedded inside
polygon layers.

Side effect: with text layers the dummy boxes for the text
markers (2x2 DBU boxes) are gone.

Text layers can participate in LVS connect and connect_global.
Text layers are the preferred way to handle texts in DRC and LVS.

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This commit is contained in:

Matthias Koefferlein 2020-05-23 22:31:43 +02:00

parent 5ba3d220e9

commit 5fbe3d2b84

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