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Getting part on grid

TH Designs

I just loaded a netlist into a board where the default grid is set to 0.025". None of the parts came in on this 25 mil grid.

What is the trick to getting them on grid? (I hope it is not manually as there are over 700 parts............)

Tom

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  • mcatramb91

    Hi Tom,

    No problem, I am glad I could help. In some cases I wish Quick Place would be driven by a grid as well, or at least have an option to snap to a grid.

    You could also use Autoplace to place by room.  If you already have a ROOM property on your components then you would need to define ROOM shapes using Setup > Areas > Room Outlines with a ROOM Name matching each of your different ROOM component properties.  In this case you don't want to add a PLACE_TAG property to your components because its placement will be driven by the ROOM property attached to the components.

    It is a little time consuming because you Auto place one ROOM at a time using Place > Autoplace > Room then select the ROOM for auto placement.  If you have a lot of ROOMS to place you could generate a small script file to run Autoplace by Room (example shows Auto Placement of ROOM MEMORY and PROCESSOR)

       place area room ; fillin "MEMORY"
       place area room ; fillin "PROCESSOR"

    Take care,
    Mike

Reply
  • mcatramb91

    Hi Tom,

    No problem, I am glad I could help. In some cases I wish Quick Place would be driven by a grid as well, or at least have an option to snap to a grid.

    You could also use Autoplace to place by room.  If you already have a ROOM property on your components then you would need to define ROOM shapes using Setup > Areas > Room Outlines with a ROOM Name matching each of your different ROOM component properties.  In this case you don't want to add a PLACE_TAG property to your components because its placement will be driven by the ROOM property attached to the components.

    It is a little time consuming because you Auto place one ROOM at a time using Place > Autoplace > Room then select the ROOM for auto placement.  If you have a lot of ROOMS to place you could generate a small script file to run Autoplace by Room (example shows Auto Placement of ROOM MEMORY and PROCESSOR)

       place area room ; fillin "MEMORY"
       place area room ; fillin "PROCESSOR"

    Take care,
    Mike

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