Improved Algorithms for Route Offsetting and Suppress Inner Layer Pads

The CADSTAR Route Offsetting and Suppress Inner Layer Pads algorithms have been upgraded which may result in a different electrical design compared to previous releases.

In Design Editor the route offsetting algorithm has been updated for non circular pins and vias in order to match P.R.Editor. This version also sees an upgrade in both Design Editor and P.R.Editor for the Pad-Copper touching checks for Suppress Inner Layer Pads; the algorithm now uses the pin position instead of the pad drill shape.

A warning message is given when opening PCB designs from previous versions, recommending you to run the Design Rules Check (DRC) report;

Routing Completion Modification

The calculations used to generate route offset shapes have been modified so that CADSTAR now matches PR Editor.

For example -

Pad Suppression Modification

This modification decides that copper must cross the origin of a pin in order for the pad to be unsuppressed - an electrical connection is made through the unsuppressed pad to the copper area.