kicad-developers team mailing list archive

[Russell Oliver <roliver8143@xxxxxxxxx>]

Hi,

Maciej : I had a look at the rounding issue and I couldn't find an obvious
reason for it.
It might be due to the translation of all components to the middle of the
sheet, but I round that off to the nearest 100mil.

I'll take a look at that pin mapping problem, I think your solution of
multiple pins will work fine.

Regards
Russell


On Sat, Sep 23, 2017 at 1:20 AM Maciej Sumiński <maciej.suminski@xxxxxxx>
wrote:

> On 09/20/2017 05:38 PM, jp charras wrote:
> > Le 20/09/2017 à 17:32, Maciej Sumiński a écrit :
> >> On 09/20/2017 05:29 PM, jp charras wrote:
> >> [snip]
> >>> After tests with 2 schematics I found a rounding issue in coordinates
> (especially wires and pins):
> >>> Many coordinates are very near (1 mil, therefore one Eeschema unit)
> the 50 mils grid but not exactly
> >>> on grid (for instance 499 instead of 500 mils)
> >>> The a few values I checked are smaller (one mil) than the grid
> coordinate, so I am thinking this is
> >>> a rounding issue.
> >>
> >> Would you share an example schematic file, so we could investigate the
> >> problem?
> >>
> >> Regards,
> >> Orson
> >
> > Attached the 2 schematics I tested.
> > They can be found on Github.
>
> Jean-Pierre,
>
> Could you help me find pins/wires that are not connected due to rounding
> errors? I did my best, but I cannot find anything neither by looking at
> the files saved in KiCad format nor in ERC reports.
>
> I noticed only missing junction marks on some of the T-shaped wire
> connections, but they are missing in the original Eagle files, so I
> assume it is fine.
>
> There is a minor bug that causes small squares on pins (as if they were
> not connected), but as soon you move a single component, they all
> disappear. This should be investigated, but it is not a rounding problem.
>
> Regards,
> Orson
>
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