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Routing - Routing Priority

Created: March 17, 2022 | Updated: March 18, 2022 | Applies to version: 4

This document is no longer available beyond version 4. Information can now be found here: Routing Priority Rule for version 5

This documentation page references Altium NEXUS/NEXUS Client (part of the deployed NEXUS solution), which has been discontinued. All your PCB design, data management and collaboration needs can now be delivered by Altium Designer and a connected Altium 365 Workspace. Check out the FAQs page for more information.

 

Rule category: Routing

Rule classification: Unary

Summary

This rule assigns a routing priority to the net(s) targeted by the rule. The Autorouter uses the assigned priority value to gauge the routing importance of each net in the design and hence determine which nets should be routed first.

All design rules are created and managed within the PCB Rules and Constraints Editor dialog. For a high-level view of working with the design rules system, see Defining, Scoping & Managing PCB Design Rules.

Constraints

Default constraint for the Routing Priority rule.Default constraint for the Routing Priority rule.

  • Routing Priority - the priority value assigned to the net(s) targeted by the scope (full query) of the rule. Enter a value between 0 and 100, whereby the higher the number assigned, the greater the priority when routing.

How Duplicate Rule Contentions are Resolved

All rules are resolved by the priority setting. The system goes through the rules from highest to lowest priority and picks the first one whose scope expression matches the object(s) being checked.

Rule Application

During autorouting.

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