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Circuit Deletion |
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Note, however, that an arc cannot remain if its node is gone. Therefore, when a node is erased, all connecting arcs are also deleted. Conversely, in the interest of cleanliness, if an arc is erased, any isolated pins are also erased. Also, if an erased node has an exported port, then the port disappears and so do all arcs connected to the port on instances of the current facet (see the next chapter for more on hierarchy).
If there are exactly two arcs connected to a node and you use Erase and Reconnect on that node, then the node is deleted and a new arc is created to replace the two that were previously attached.
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