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geda:gnetlist_ug:basic_netlisting [2012/11/17 08:45] peter-b |
geda:gnetlist_ug:basic_netlisting [2012/11/17 10:29] (current) peter-b |
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There are additional requirements if you want to make use of gnetlist's [[hierarchy]] or [[slotting]] support. | There are additional requirements if you want to make use of gnetlist's [[hierarchy]] or [[slotting]] support. | ||
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+ | ==== Attribute promotion ==== | ||
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+ | gnetlist supports //attribute promotion//. When looking for a particular attribute from a component, it will check attributes attached to the symbol first, and then check unattached attributes in the component's underlying symbol. This lets you provide default values for commonly-used attributes when designing a symbol, while still being able to override them while preparing the design. |