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  • plot
  • error
  • data
  • polygon
Related

Error when running a Job

sailmike1
sailmike1 over 10 years ago

I'm getting an unusual error message. When I tried running a CAM job the error message says the package contains a polygon that may cause extremely large plot data. What's causing this error and how do I fix it? This is going to be a prototyping board.

 

Thanks,

Mike

Mikeimageimage

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  • dukepro
    0 dukepro over 10 years ago

    On 01/06/2015 07:09 AM, Michael Levin wrote:

    I'm getting an unusual error message. When I tried running a CAM job the

    error message says the package contains a polygon that may cause

    extremely large plot data. What's causing this error and how do I fix

    it? This is going to be a prototyping board.

     

    Mike,

     

    This is usually caused by a zero (or very thin) wire width in the

    polygon.  Eagle will fill the area using a "pen" of the specified

    width.  Thinner widths will be able to fit between object within the

    fill area.  This width also controls the wire width that connects to

    pads and vias with the same name as the polygon.  So, the thinner the

    wire, the better the thermal isolation and the higher the resistance

    between the via or pad and the fill.  On the other hand, larger widths

    will fill the area in fewer passes (smaller Gerber files), and will

    provide a better connection to thermal relieved vias and pads, but will

    not be able to fit in tight spaces which could leave portions of the

    polygon unconnected.

     

    Try adjusting the wire of the polygon  with to something like 0.5mm or

    10 mils.  Remember to do a ratsnest after each change to make sure the

    fill area is adequate and it doesn't leave any orphans (an area of fill

    that is left disconnected from other areas of the same polygon).

    Orphans are left connected by an air wire allowing the user to manually

    route a connection to the orphaned area.

     

    HTH,

        - Chuck

     

     

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