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Re: Bug with DRC, StopMask, and Via

e14 Contributor

Hello?

Any thoughts on this? Can anyone reproduce this artifact?

 

David

 

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  • in reply to e14 Contributor

    Hi Jason,

     

    I attached the schematic and layout files to the original message. This bug

    does not exist in version 5. the first time I saw it was in a PCB on which

    I had a via/mounting hole near the origin. To make sure I don't have any

    silkscreen too close to the pad, I turn on solder mask and do a DRC because

    it will tell me if a part of the silkscreen is too close.

     

    On this and all my other PCBs done in version 5 and earlier, I never had an

    error. In Version 6, for some reason the component name/value are placed

    invisibly near the origin. when I turn on the stop mask and run a DRC, this

    invisible text shows up in the stop mask of the pad/via and generates

    dozens of errors. These errors mask and make it very hard to find real

    errors.

     

    The steps to replicate it:

    1. Create a simple schematic with a connector near the origin. Other

    components may work. I just choose a random connector from the supplied

    libraries. I originally found it with a 2 pin MTA connector I had modified.

    However, it seems to happen with any random connector and I suspect it will

    happen with any component.

    2. Create PCB

    3. Create a large Via, like 0.5 inch drill

    4. Put the Via at 0, 0

    5. Turn on the top stop mask layer

    6. Do a DRC check

    7. The name of the component shows up in the Via Stop Mask and causes all

    sorts of stop mask errors.

     

    The attached project shows this.

     

    Thanks

    David

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    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.