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Allegro incorrectly displays line width

Hieu Tran

I'm designing PCB in Allegro version 16.3. I set the line width as 20 mils for routing nets, however, the width of 20 mils lines display same as other (for example 4 mils line in the below image).

I copy my design to other laptop, it is ok, the 20 mils lines looks wider than 4 mils lines.

Could someone help me to address this problem?

  • riklee

    Check your user preferences

    Display / Visual

    diplay_nolinewidth variable

    If enabled all lines are drawn at 1 pixel width

  • Hieu Tran

    I see diplay_nolinewidth checked

  • riklee
    disable (uncheck) the variable to see the true line widths.
    I'd also review others you have enabled. For example, I doubt you need to have the variable old_style_flash_symbols or display_thintext enabled
  • Hieu Tran

    Thank you so much. I uncheck this variable and i can see the true line widths. I did not know why all variables were checked @@

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