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 Post subject: Nets merge without warning
PostPosted: 16 Feb 2017, 09:18 
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Expert

Joined: 20 Jun 2015, 14:39
Posts: 943
The DipTrace Schematic Editor allows two Nets to be merged without displaying a warning. In my opinion, this is a serious flaw. A warning needs to be displayed about any impending Net mergers, similar to how the PCB Editor handles the same situation.

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 Post subject: Re: Nets merge without warning
PostPosted: 17 Feb 2017, 10:06 
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Technical Support

Joined: 14 Jun 2010, 06:43
Posts: 2762
I am not sure this is good idea. Schematic is intended to create, edit, merge, destroy nets. Users would have so many warnings every time they merge nets. That would be inconvenient.


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 Post subject: Re: Nets merge without warning
PostPosted: 17 Feb 2017, 14:02 
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Joined: 10 Mar 2012, 17:23
Posts: 48
For users like me -- I don't know what fraction of the user community that is -- Diptrace's current behavior is almost backward.

On the schematic, logical connection is important, and physical connections are implicit. Every time a I place a GND component, I generate another piece of the GND net. They don't look connected, but of course I know they are. If I accidentally drag-and-drop a component so that it appears to be sitting on top of another, there's no harm done -- I can just move it away. But if I accidentally connect two nets, there's usually no nice way to recover, and I usually end up redrawing the whole schematic. I'd like to be warned. Possibly there could be a modal setting, so that these warnings were provided or not.

This issue might usefully be coupled to one that was brought up a while ago, possibly by Tomg. If Schematic Editor always suggested meaningful names for Nets (say, derived from the name of the first pin on the net), then that would be a good thing by itself. And when nets are being connected, the semi-helpful hypothetical warning
Quote:
Do you really want to connect Net23 to Net56?
could instead appear as, say
Quote:
Do you really want to connect Reset to Trigger?


To me, the PCB Editor usually stands in the same relation to the Schematic Editor as a linker is to a compiler. I arrange the physical connections, and if I were to connect two nets, it would be an error. I'm glad to get the warning.

Occasionally, I design a simple PCB using only the PCB Editor. Then, the physical traces are in some sense all there is; the nets are almost an epiphenomenon. I don't know what meaningful warnings could be given.


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 Post subject: Re: Nets merge without warning
PostPosted: 20 Feb 2017, 08:33 
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Joined: 10 Jan 2015, 02:00
Posts: 188
Location: Anaheim, CA 92806
@Alex, Can you add a feature like a user can select that they want the warning or not. For some user it is inconvenient but for some user, it may really helpful.

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