Re: gEDA-user: .sch primitive ordering [was: Collaborative Development of Boards]

[Peter TB Brett <peter@xxxxxxxxxxxxx>]

On Monday 17 Jan 2011 11:07:16 John Doty wrote:

> >> At each level in this tree the order of the branches does not matter.
> >
> > No. It does matter; the ordering indicates the draw order of primitives
> > in any viewer or graphics exporter.  Arguably, it shouldn't, but if not,
> > the file format needs to be amended to provide this information in
> > another way.
>
> But the draw order doesn't matter unless you're using an old-fashioned
> mechanical plotter. In any case, in gschem, merely cutting something and
> pasting it back in the same place changes the order, but this is rarely
> significant.

For someone who is very defensive of features that you see as important, you 
are very quick to propose that those you don't care about are removed, aren't 
you?

Example: Create square with solid background. Create smaller circle with 
hashed background, set to a different colour.  Move circle on top of square. 
Obviously, if z-order is not preserved through save and load, this will be 
rendered incorrectly. See attached schematic.

                               Peter

-- 
Peter Brett <peter@xxxxxxxxxxxxx>
Remote Sensing Research Group
Surrey Space Centre

v 20110116 2
C 40000 40000 0 0 0 title-B.sym
B 44500 48500 1000 1000 3 0 0 0 -1 -1 1 -1 -1 -1 -1 -1
V 45000 49000 500 8 0 0 0 -1 -1 2 1 0 200 90 200


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