gEDA-dev: hole to hole spacing?

[Dan McMahill]

Igor2 wrote:
> 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.

its not silent right now.  I changed that a few nights ago.  Instead you 
get warned and then they're dropped.  But that was intended on being a 
bandaid until it could be fixed right.