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#1 Dec. 6, 2010 19:56:47

jean-pierre c.
Registered: 2009-11-02
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[Kicad-developers] New kicad version: Release candidate


I uploaded the first Release candidate of Kicad-201012-06 version onhttp://iut-tice.ujf-grenoble.fr/cao/.
Currently a version for Windows and a version for Linux Ubuntu 10.10
Pay a particular attention to a new filling zone algorithm.
I need volunteers to test this algorithm and know if it is better than the
current one (i.e. if no issue found).

Besides many enhancements, a lot of bugs are fixed.


--
Jean-Pierre CHARRAS

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#2 Dec. 7, 2010 00:02:34

Vesa S.
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[Kicad-developers] New kicad version: Release candidate


On Mon, 6 Dec 2010, jean-pierre charras wrote:Pay a particular attention to a new filling zone algorithm.I need volunteers to test this algorithm and know if it is better than thecurrent one (i.e. if no issue found).New fill leaves thermal stubs between SO-package pins, that old fill didnot. In the old stub-removal code there was some fudge factor for cornercases if I remember correctly. So maybe the new version is just moreaccurate. I havent looked at the code, but the stub issue is annoying andmay need too much work to solve properly for this release. Logic toprevent stubs is something like "no thermals to islands smaller thanminimum width squared" or so. This issue doesn't seem to violate designspecification, but definitely worsens manufacturability.-Vesa

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#3 Dec. 7, 2010 07:31:51

jean-pierre c.
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[Kicad-developers] New kicad version: Release candidate


Le 07/12/2010 01:02, Vesa Solonen a écrit :On Mon, 6 Dec 2010, jean-pierre charras wrote:Pay a particular attention to a new filling zone algorithm.
I need volunteers to test this algorithm and know if it is better than the
current one (i.e. if no issue found).New fill leaves thermal stubs between SO-package pins, that old fill did not.
In the old stub-removal code there was some fudge
factor for corner cases if I remember correctly. So maybe the new version is
just more accurate. I havent looked at the code, but
the stub issue is annoying and may need too much work to solve properly for
this release. Logic to prevent stubs is something like
"no thermals to islands smaller than minimum width squared" or so. This issue
doesn't seem to violate design specification, but
definitely worsens manufacturability.

-VesaI am not sure this is due to the new filling algo, but there are some (minor)
changes in stub code (for both algo).Thermal stub code was recently modified and it is now common to the "old" and "new" code for filling zones, and has slight changes(with some very minors bugs and a serious bug fixed).Can you compare with a very recent build.
(Warning, use of new algo is now the default when creating makefiles (option
DUSE_BOOST_POLYGON_LIBRARY=OFF must be added)
Or can send me your board ?

My concerns about new code is more erroneous filled areas (forgotten areas
and/or bad shapes).

--
Jean-Pierre CHARRAS


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#4 Dec. 7, 2010 19:40:41

Vesa S.
Registered: 2009-11-02
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[Kicad-developers] New kicad version: Release candidate


On 07.12.2010 09:31, jean-pierre charras wrote:

> My concerns about new code is more erroneous filled areas (forgotten
> areas and/or bad shapes).

Board sent with description and also one unfilled area, bug got exposed.
Otherwise the fill seems to be working fine. Speed is much better.

-Vesa

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