Re: gEDA-user: [pcb] "Ben Mode" board photograph exporter

[Ben Jackson <ben@xxxxxxx>]

On Wed, Jul 09, 2008 at 11:24:25PM -0400, DJ Delorie wrote:
> 
> > I tried a board with 8/8 rules and I couldn't get good results with a
> > final output size of approximately 1:1.

Ohhhh, I finally figured it out, almost by accident:  The PNG is indexed,
so GIMP is resizing it in indexed mode, which comes out like crap.  If I
switch to RGB first it works muuuch better.  That makes a lot more sense.

I actually get the best results by exporting large, doing a slight blur,
resizing and then doing a slight unsharp mask.

> Note also that this is the first (official?) patch that assumes that
> the group order is the physical stacking order.

Yeah, my stackup doesn't match at all so my 4 layer board comes out as
2 layer.  When I started that board I was used to certain numbers for
top/bottom so I made sure it ended up like that.

> > > * support outline layer to make shaped image using alpha channel.
> > 
> > Or at least honor 'only visible', which doesn't seem to work when
> > 'ben mode' is on.
> 
> I was thinking of more fab-real options, like "no silk", "no mask",
> and "no tinning".  It would be weird to show your board with pins and
> vias missing.

There are two options, "as shown" and "only visible".  "As shown" refers
to the layers that are on.  "only visible" means (at least without "ben
mode") to export only the visible viewport.  That's why I mentioned it as
a stepping stone to "outline" support.

-- 
Ben Jackson AD7GD
<ben@xxxxxxx>
http://www.ben.com/


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