Author Topic: How to get different style connection with via and polygon  (Read 3281 times)

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Offline arlenTopic starter

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How to get different style connection with via and polygon
« on: August 16, 2016, 09:34:26 pm »
Hello everyone,
I need help about how could i get diferent styles connection between vias and poylgons, for example,

1) How could i get direct connection On Top Layer , and relief connection on the bottom layer,
2)How could i get differents style coneection  for specific poylgons

I've been tryinh using the command OnLayer('L1') and other, but i couldn“t, i hope someone who know how could it be done can help me,
I still don understand how is the second query used for T T

thanks in advance
 

Online T3sl4co1l

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Re: How to get different style connection with via and polygon
« Reply #1 on: August 17, 2016, 09:39:27 am »
Using OnTopLayer and such might be better than named layers, but that should work too (you do need to use the full layer name, as shown in Layer Stackup Manager).

Rather than using polygon names (or pad or net classes), you might prefer using polygon classes.  Assign these at Design/Classes, Polygon Classes (right-click, New Class).

It sounds like a lot of bother to me; I simply prefer to make all vias pour without thermal relief (direct).  You should be able to do this, though.

Tim

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Offline ajb

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Re: How to get different style connection with via and polygon
« Reply #2 on: August 17, 2016, 05:18:01 pm »
Many of the available design rules determine how any two objects will interact with one another, so there are two queries to allow you to assign a rule to specific combinations of objects.  So for your case, your first query might be "OnTopLayer" and the second might be "IsVia".  That way the rule will only be invoked when one object is a polygon on the top layer and the second object is a via (the first object being a polygon is implicit in a polygon connect rule).  If you left the second query as "All", then the rule will affect the connection of a polygon on the top layer to ANY other object.

If you want to have different types of connections in different situations, you'll need to create multiple polygon connect rules to cover all of your possible conditions and set their priorities appropriately.  Generally you'd have on rule with the conditions "All"/"All" at the lowest priority, so that your default connection type will be applied when no other rule is appropriate.

You can invoke different connection types based on polygon name, polygon class, net class, component class, pad class, and a number of other things.  The "right" way will depend on your specific requirements and how much effort you want to put into setting up complicated rules.
 

Offline technotronix

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Re: How to get different style connection with via and polygon
« Reply #3 on: August 27, 2016, 02:35:55 pm »
What about Polygon connect style rule?
 


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