Electronics > Altium Designer

Changing Reference Designators on SCH without Disturbing Existing PCB Layout?

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JohnG:
FWIW, the first time I got stuck with such a situation, I had a little over half the number of polygons, maybe 120 or so, and it did take a few hours to get them in the right order. After that, by redoing the polygons and using pour order, I was able to reduce the number of polygons to < 30. Since that time, I have found it much easier to keep the number of polygons down because I no longer need to keep fixing things by drawing more and more polygons. Instead, I have found that I can very often get the same thing by editing existing polygons and repouring. Faster, much easier to manage and I have never looked back.

If you start on a new board, it might be easier. In my case, I was handed a board with problems from an employee who had left, and needed to update it. I couldn't make head or tail out of it because it was a mess of polygons overlapping, and I ended up repouring the polygons. At first, I thought I had made a huge mistake by doing so, but it turned out to be one of the best things I ever did. It made every layout since go much smoother.

John

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