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<body>
<h1> sch-rnd - use cases </h1>
<h2> The "back annotation" </h2>
<h3> Setup </h3>
<ul>
<li> any <-> sch flow
<li> in a later phase of the project, in a 3rd party software (e.g. PCB layout tool, simulation software) some change is made that has to be carried back to the schematics
</ul>
<h3> Problems </h3>
<ul>
<li> net change: multiple ways a network connection can be specified
<li> net change: hierarchy; what if a schematics is used in 4 instances and there's a change only in one instance?
<li> attribute change: attributes may be calculated by plugins (source shall be changed)
</ul>
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