gEDA-dev: hole to hole spacing?

[Igor2]

On Fri, 4 May 2007, Dan McMahill wrote:

>
>Anyone ever come across design rules on minimum hole spacing which is 
>more strict that just the minimum copper width?
>
>I'm wondering if pcb needs to check this.
>
>Part of this has come up because currently when you load a board if you 
>have 2 vias whose copper is touching the 2nd one will be dropped.  This 
>has caused some grief among users.  This is especially annoying because 
>you can move an existing via that close to another but when you reload 
>the board it will be gone.
>
>One thought I had is to allow vias to touch but include a DRC check for 
>minimum board material left between drill holes and possibly minimum 
>center-to-center spacing.
>
>Thoughts?

Good idea, silently dropping objects is not the proper way handling the
problem.

>-Dan
>
>
>
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