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EAGLE User Chat (English) How to delete mysterious zero-width wire?
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Related

How to delete mysterious zero-width wire?

autodeskguest
autodeskguest over 15 years ago

Hi!

 

I'm fairly new to Eagle.

 

I seem to have introduced a 2-mil, zero-width wire into my board layout.

  I can't select it in any way, so I can't get any info. about it, and I

CAN'T DELETE IT.

 

I thought it might just be an artefact of the rendering process, but

alas it is really there becacause Eagle is leaving a nice gap around it

when I poly-fill the area around it.

 

I assume as a last resort there is some text-format file I can inspect

and edit?

 

Is there a guru out there who can throw me a lifeline?  image

 

//Mike

 

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  • autodeskguest
    autodeskguest over 15 years ago

    On 2008/Apr/29 2:44 PM, in article fv7q9n$q5c$1@cheetah.cadsoft.de, "Mikey"

    <mik@lamming.com> wrote:

     

    Hi!

     

    I'm fairly new to Eagle.

     

    I seem to have introduced a 2-mil, zero-width wire into my board layout.

      I can't select it in any way, so I can't get any info. about it, and I

    CAN'T DELETE IT.

     

    I thought it might just be an artefact of the rendering process, but

    alas it is really there becacause Eagle is leaving a nice gap around it

    when I poly-fill the area around it.

     

    I assume as a last resort there is some text-format file I can inspect

    and edit?

     

    Is there a guru out there who can throw me a lifeline?  image

     

    Hi Mike,

     

    This could be a couple of things.  One thing that often throws people is

    that DRC errors sometimes look like copper.  So you can either close and

    open the file to get rid of it or use the GUI to delete the errors.

     

    If it is really copper than figure out what layer it is on and turn off all

    the other layers.  Then group it all together and delete the group.  That

    should do it.

     

    Cheers,

     

    James.

     

    --

    James Morrison

    http://www.eagletoolkit.com

    Online EAGLE Dealer for US and Canada

    EAGLE Design Expert

    EAGLE Enterprise Toolkit

     

     

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  • autodeskguest
    autodeskguest over 15 years ago

    James Morrison wrote:

    On 2008/Apr/29 2:44 PM, in article fv7q9n$q5c$1@cheetah.cadsoft.de, "Mikey"

    <mik@lamming.com> wrote:

     

    Hi!

     

    I'm fairly new to Eagle.

     

    I seem to have introduced a 2-mil, zero-width wire into my board layout.

      I can't select it in any way, so I can't get any info. about it, and I

    CAN'T DELETE IT.

     

    I thought it might just be an artefact of the rendering process, but

    alas it is really there becacause Eagle is leaving a nice gap around it

    when I poly-fill the area around it.

     

    I assume as a last resort there is some text-format file I can inspect

    and edit?

     

    Is there a guru out there who can throw me a lifeline?  image

     

    Hi Mike,

     

    This could be a couple of things.  One thing that often throws people is

    that DRC errors sometimes look like copper.  So you can either close and

    open the file to get rid of it or use the GUI to delete the errors.

     

    If it is really copper than figure out what layer it is on and turn off all

    the other layers.  Then group it all together and delete the group.  That

    should do it.

     

    Cheers,

     

    James.

     

    James,

         Thanks for the suggestion, but no joy!

     

    Firstly - the "zero-width line" (zwl) really does seem to be copper on

    the bottom layer.

     

    If I show just the offending layer and try to select the zwl (e.g. using

    the GROUP tool) Eagle complains that it can't "back annotate", and that

    I should do this on the schematic.

     

    But I can't figure out WHERE IT IS on the schematic.  If I select it on

    the layout, it isn't automatically highlighted on the schematic.

     

    Because I'm new to this I'm probably missing something really obvious.

     

    //Mike

     

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  • autodeskguest
    autodeskguest over 15 years ago

    On 2008/Apr/29 6:29 PM, in article fv87gm$mvo$1@cheetah.cadsoft.de, "Mikey"

    <mik@lamming.com> wrote:

     

    James Morrison wrote:

    On 2008/Apr/29 2:44 PM, in article fv7q9n$q5c$1@cheetah.cadsoft.de, "Mikey"

    <mik@lamming.com> wrote:

     

    Hi!

     

    I'm fairly new to Eagle.

     

    I seem to have introduced a 2-mil, zero-width wire into my board layout.

      I can't select it in any way, so I can't get any info. about it, and I

    CAN'T DELETE IT.

     

    I thought it might just be an artefact of the rendering process, but

    alas it is really there becacause Eagle is leaving a nice gap around it

    when I poly-fill the area around it.

     

    I assume as a last resort there is some text-format file I can inspect

    and edit?

     

    Is there a guru out there who can throw me a lifeline?  image

     

    Hi Mike,

     

    This could be a couple of things.  One thing that often throws people is

    that DRC errors sometimes look like copper.  So you can either close and

    open the file to get rid of it or use the GUI to delete the errors.

     

    If it is really copper than figure out what layer it is on and turn off all

    the other layers.  Then group it all together and delete the group.  That

    should do it.

     

    Cheers,

     

    James.

     

    James,

    Thanks for the suggestion, but no joy!

     

    Firstly - the "zero-width line" (zwl) really does seem to be copper on

    the bottom layer.

     

    If I show just the offending layer and try to select the zwl (e.g. using

    the GROUP tool) Eagle complains that it can't "back annotate", and that

    I should do this on the schematic.

     

    That means you are trying to delete a component.  Are the origin (top and

    bottom) layers off?  If not, turn them off too.

     

    One of two things could be happening:

     

    1)  The origin layer is on and when you select the artefact you are also

    selecting components and the delete group doesn't like deleting the

    components.

     

    2)  The artefact is actually part of a footprint.  In that case you'd have

    to change the library package and remove the artefact there, then update the

    design with the modified library.

     

    Those would be my guesses.

     

    Good luck.

     

    James.

     

    --

    James Morrison

    http://www.eagletoolkit.com

    Online EAGLE Dealer for US and Canada

    EAGLE Design Expert

    EAGLE Enterprise Toolkit

     

     

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    • Cancel
  • autodeskguest
    autodeskguest over 15 years ago

    James Morrison wrote:

    On 2008/Apr/29 6:29 PM, in article fv87gm$mvo$1@cheetah.cadsoft.de, "Mikey"

    <mik@lamming.com> wrote:

     

    James Morrison wrote:

    On 2008/Apr/29 2:44 PM, in article fv7q9n$q5c$1@cheetah.cadsoft.de, "Mikey"

    <mik@lamming.com> wrote:

     

    Hi!

     

    I'm fairly new to Eagle.

     

    I seem to have introduced a 2-mil, zero-width wire into my board layout.

      I can't select it in any way, so I can't get any info. about it, and I

    CAN'T DELETE IT.

     

    I thought it might just be an artefact of the rendering process, but

    alas it is really there becacause Eagle is leaving a nice gap around it

    when I poly-fill the area around it.

     

    I assume as a last resort there is some text-format file I can inspect

    and edit?

     

    Is there a guru out there who can throw me a lifeline?  image

    Hi Mike,

     

    This could be a couple of things.  One thing that often throws people is

    that DRC errors sometimes look like copper.  So you can either close and

    open the file to get rid of it or use the GUI to delete the errors.

     

    If it is really copper than figure out what layer it is on and turn off all

    the other layers.  Then group it all together and delete the group.  That

    should do it.

     

    Cheers,

     

    James.

     

    James,

    Thanks for the suggestion, but no joy!

     

    Firstly - the "zero-width line" (zwl) really does seem to be copper on

    the bottom layer.

     

    If I show just the offending layer and try to select the zwl (e.g. using

    the GROUP tool) Eagle complains that it can't "back annotate", and that

    I should do this on the schematic.

     

    That means you are trying to delete a component.  Are the origin (top and

    bottom) layers off?  If not, turn them off too.

     

    One of two things could be happening:

     

    1)  The origin layer is on and when you select the artefact you are also

    selecting components and the delete group doesn't like deleting the

    components.

     

    2)  The artefact is actually part of a footprint.  In that case you'd have

    to change the library package and remove the artefact there, then update the

    design with the modified library.

     

    Those would be my guesses.

     

    Good luck.

     

    James.

     

     

    James

     

    Thanks,

         It was #2.   Thanks for the clairvoyance!

    //Mike

     

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