Mail Archives: geda-user/2013/01/25/07:07:49
On Fri, Jan 25, 2013 at 11:17:47AM +0100, Kai-Martin Knaak wrote:
> xmichalwd1979 wrote:
>
> > {"Grid -0.05mm" SetValue(Grid,-0.05,mm) a={"Shift-Ctrl-G" "Shift
> > {Ctrl <Key>g"}} "Grid +0.05mm" SetValue(Grid,+0.05,mm) a={"Ctrl-G"
> > {"Ctrl <Key>g"}}
>
> My take on this:
>
> a) increment/decrement the grid by a fixed value, is not very useful.
> If I am already at a coarse grid level, say 1 mm, I typically want to
> switch to 2 mm or 0.5 mm rather tan 1.05mm. With the fine increment
> I'd have to press [ctrl-g] 20 times or 10 times respectively.
> On the other side of the spectrum an increment of 0.05 mm does not
> allow me to reach a 0.01 mm grid.
>
> IMHO, the better way would be to use the same steps as given in the
> menu. By default, this is
> 0.01 mm
> 0.05 mm
> 0.1 mm
> 0.25 mm
> 0.5 mm
> 1.0 mm
> For bonus points, this ladder should be configurable via the GUI. For
> example as a list entered in the preference dialog.
I basically agree, but ideally when you use a weird grid (through
the command line for example with setvalue(grid,...), PCB should
remember it in a list of recently used values, and perhaps insert
it automatically in the progression.
The default list you give on top is not really logical, why is
there 0.25mm but not 25µm (which I have sometimes used, as well
as 0.2mm, 2mm, and 5mm)?
>
>
> b) Adding a metric increment to an imperial grid almost never makes
> sense. Instead, the application should be aware if the current grid is
> metric or not. When in imperial grid-mode, the ladder of grid sizes
> should be given in mil. It should be easy to switch between metric and
> imperial grids mode.
Indeed, although imperial is rapidly disappearing from my designs.
Eclectronics finally seems to be switching to metric, except for
the odd component from time to time (and DIN41612 connectors, don't
get me started on DSub connectors).
Gabriel
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