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How to check if smth connected to a pad?

Former Member

Hi, folks!

 

I'm working on an ulp script that will increase pad diameter of devices by specified ratio like 0.25 so pads will be a little bit bigger and will be less likely destroyed while etching/soldering the PCB. The original script I took as an example is drill-aid.ulp and now everything is working fine except one thing: this extra circles are placed in single layer regardless top/bottom layer (this the original behaviour of drill-aid) and this is wrong in my opinion. So, what I want to do is to check if something is connected to the pad in that layer (bottom or top) and if so, place circle in one of two additional layers so the can be switched off in Layer window before printing. I know it somehow connected with pad flags, but as I'm a newbie to ulp stuff can brake through this.

Can anybody help and make an example of if() to check this?

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    On 12.07.2012 20:48, Tim Pupkin wrote:

    Hi, folks!

     

    I'm working on an ulp script that will increase pad diameter of

    devices by specified ratio like 0.25 so pads will be a little bit

    bigger and will be less likely destroyed while etching/soldering the

    PCB. The original script I took as an example is drill-aid.ulp and

    now everything is working fine except one thing: this extra circles

    are placed in single layer regardless top/bottom layer (this the

    original behaviour of drill-aid) and this is wrong in my opinion. So,

    what I want to do is to check if something is connected to the pad in

    that layer (bottom or top) and if so, place circle in one of two

    additional layers so the can be switched off in Layer window before

    printing. I know it somehow connected with pad flags, but as I'm a

    newbie to ulp stuff can brake through this. Can anybody help and make

    an example of if() to check this?

     

     

    Why don't you take the Design Rule's Restring settings for increasing

    pad diameters in the layout? That's a global setting for the board and

    affects all pads and/or vias.

     

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