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Clear attributes when changing part value

vitomarolda70

Hello,

when designing a new board modifying an older one, I am often scared e.g. to have changed a resistor value, while attributes already contain MF/MPN/OC_FARNELL for the older value.

I would really appreciate a WARNING when changing part value if some attributes are set, with the following message:

 

"WARNING: There are set attributes: Do you want to delete all attribute values? (Yes/No/Cancel)".

Yes: part value is updated, attribute values are deleted (attribute keys are retained)

No: part value is updated, attributes remain unchanged

Cancel: part value and attributes remain unchanged.

 

Does it seem a good idea?

Regards,

--Vito.

  • 0

    This and other warnings are good idea and may get implemented some day. But a backup plan for your data is the ultimate insurance! Then you can go back even when you have a oh s--- moment with software not working the way you think. Believe me I have had many of those.

    Clem

  • 0 in reply to clem57

    Hello, the problem is not about losing data, but it is about producing the wrong bom with the wrong order codes for the wrong component.

    Maybe I should reformulate the post?

    Regards,

    --Vito.

  • 0 in reply to vitomarolda70

    Hello,

     

    I solved the problem for part without 'value' (such as semicondutor, connector etc...) : the attributes are defined in library, so if I change package or technology, attributes are changed and the bom will be OK.

     

    But for parts with a 'value' this is more tricky. Maybe an other way would be to consider the 'value' like other attributes.

    So for changing the value of a part, instead of opening the 'value' window, Eagle would open the attribute window, and of course the attribute window let us edit the 'value' like the other attributes.There will be 2 advantages :

    - 1 : when we change a value: all the attributes are displayed, so we can thing about other attributes, so less possibility to forget to change other attributes...

    - 2 : often when we change a value we also need to adjust other attributes. For example, when I change a resistor I often adjust the 'tolerance' attribute or the 'power'  one. When I adjust a capacitor, I need to adjust the rate voltage etc... Today I need to do thing in 2 steps, first I use the Value window, then I need the attribute one. If the value was consider as an attribute, we change the value and the other attributes all together in 1 single step !

     

    Guillaume.