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How do I delete the wires in a layer by ULP?

fabiodl

I am new to ULP.

I can count how many wires there're in a layer by this code

 

int i=0;

string buff;

board(B) {

  B.wires(w) {

    if (w.layer==46){

      i++;

    }

    }

  }

sprintf(buff,"%d wires",i);

dlgMessageBox(buff);

 

 

What I would like is deleting the wires of layer 46 by a ULP. Is there any built in function for that? Something like

  delete(w)

?

If it is not possible, what other approach could I use to delete the content of a layer programmatically?

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  • 0

    On 08/10/13 15:52, Fabio DL wrote:

    What I would like is deleting the wires of layer 46 by a ULP. Is there

    any built in function for that? Something like

       delete(w)

    ?

    If it is not possible, what other approach could I use to delete the

    content of a layer programmatically?

     

    ULPs are a bit... unexpected in that there are no facilities in the

    language for making any change at all to the design. You just can't.

     

    However, you can do something after the event. If your ULP passes a

    string to the "exit" function on completion, then Eagle will execute

    that string as if you'd typed it in the command box. So either

    accumulate all your deletion commands into a string and end with:

     

       exit(cmd);

     

    or write them to a script file and end with:

     

       exit("SCRIPT '" + scriptfile + "';");

     

    There are examples of both in the ULPs supplied with Eagle.

     

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  • 0

    On 08/10/13 15:52, Fabio DL wrote:

    What I would like is deleting the wires of layer 46 by a ULP. Is there

    any built in function for that? Something like

       delete(w)

    ?

    If it is not possible, what other approach could I use to delete the

    content of a layer programmatically?

     

    ULPs are a bit... unexpected in that there are no facilities in the

    language for making any change at all to the design. You just can't.

     

    However, you can do something after the event. If your ULP passes a

    string to the "exit" function on completion, then Eagle will execute

    that string as if you'd typed it in the command box. So either

    accumulate all your deletion commands into a string and end with:

     

       exit(cmd);

     

    or write them to a script file and end with:

     

       exit("SCRIPT '" + scriptfile + "';");

     

    There are examples of both in the ULPs supplied with Eagle.

     

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