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Design block [message #170403] Sun, 07 May 2017 19:00 Go to next message
Glenn Jones
Messages: 76
Registered: January 2005
Member
Hi, So I made a few design blocks and dropped them into some test
designs. Is there anyway to link back the block to it's source? Can
design blocks be edited independently? If the design block was updated
somehow, how does one refresh that block in another project?

Glenn
Re: Design block [message #170405 is a reply to message #170403] Mon, 08 May 2017 09:55 Go to previous messageGo to next message
rachaelp
Messages: 550
Registered: March 2015
Location: UK
Senior Member
Hi Glenn,

The way design blocks work I believe is basically using the existing ability to import one EAGLE design into another, but it's been re-packaged to make it a more polished feature. This seems to work quite well but it has the drawback that they are not actually reuse blocks that are tightly coupled with the designs they are used within. Once they are imported to a design then they are part of that design and changes can be made within that design which are independent of the source design block and cannot be back annotated. Similarly, if the source design block is updated then there is no method to update instances (as they are not actually separate instances referencing the source) of that block in any designs, the only way to update them is to delete them out and import them again I believe.

Best Regards,

Rachael
Re: Design block [message #170410 is a reply to message #170405] Tue, 09 May 2017 00:55 Go to previous message
Glenn Jones
Messages: 76
Registered: January 2005
Member
On 5/8/2017 5:55 AM, Rachael wrote:
> Hi Glenn,
>
> The way design blocks work I believe is basically using the existing
> ability to import one EAGLE design into another, but it's been re-packaged
> to make it a more polished feature. This seems to work quite well but it
> has the drawback that they are not actually reuse blocks that are tightly
> coupled with the designs they are used within. Once they are imported to a
> design then they are part of that design and changes can be made within
> that design which are independent of the source design block and cannot be
> back annotated. Similarly, if the source design block is updated then there
> is no method to update instances (as they are not actually separate
> instances referencing the source) of that block in any designs, the only
> way to update them is to delete them out and import them again I believe.
>
> Best Regards,
>
> Rachael

Hi Rachael, so my questions might turn into a nice future enhancement
then. :D

Thanks for the reply.

Glenn
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