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Re: gEDA-user: Hiding individual layers of a layer-group

On Wed, 2011-05-11 at 07:16 -0700, Colin D Bennett wrote:
> On Wed, 11 May 2011 13:12:55 +0100
> Peter Clifton <pcjc2@xxxxxxxxx> wrote:
> > On Wed, 2011-05-11 at 21:41 +1000, Geoff Swan wrote:
> > > Hi folks, I've just started using separate layers so for my
> > > polygons so that I can hide them when necessary. This works fine
> > > until I group them with the appropriate layer. Ie - top and ground
> > > in a layer grouping - with ground being the layer I am putting
> > > polygons on. When I go to hide the ground layer - the top layer is
> > > also hidden. If I put them in separate groups this doesn't happen -
> > > however it seems that if I put them in separate groups the DRC
> > > breaks... is there any way around this??
> > 
> > To achieve the visual clarity I guess you're looking for, switch to
> > the pcb+gl branch and turn on "thin draw polygons".
> > 
> > Alternatively, "thin draw polygons" in git HEAD might still help you.
> > The keyboard short-cut is Ctrl + Shift + P
> I do find that Thin Draw Polygons is helpful sometimes.  However I also
> find many times that I would like to be able to show only specific
> layers (not whole layer groups).  For instance, if I want to rip up all
> my ground plane polygons, I would like to be able to show only the
> ground plane layer (which is in the "top" layer's group) so that I can
> "select all" to select only the ground plane copper.

How about some middle ground compromise - let it switch the layers off
for the purposes of selection / rendering etc.., but still draw a faded
(or de-saturated) version of their contents to aid not drawing geometry
which would clash with other (hidden) sub-layers in the group.

Best wishes,

Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,

Tel: +44 (0)7729 980173 - (No signal in the lab!)
Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me)

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