[Qgis-user] "on the fly" reprojection options in 2.0

Jonathan Moules jonathanmoules at warwickshire.gov.uk
Thu Oct 17 04:07:09 PDT 2013


On 16 October 2013 21:37, Radim Blazek <radim.blazek at gmail.com> wrote:

> On Tue, Oct 15, 2013 at 5:06 PM, Jonathan Moules
> <jonathanmoules at warwickshire.gov.uk> wrote:
> > Hi Ramon,
> > Thanks for the clarification.
> > But given that, shouldn't they be radio buttons, not checkboxes? They
> > certainly sound mutually exclusive.
>
> Yes, I fixed that in master.
>
> Radim
>

Thanks, I guess I don't need to open a ticket then!
Cheers,
Jonathan



>
> > Jonathan
> >
> >
> > On 15 October 2013 15:00, Ramon AndiƱach <custard at westnet.com.au> wrote:
> >>
> >> That got me too.
> >>
> >> > On 15 Oct 2013, at 21:26, Jonathan Moules
> >> > <jonathanmoules at warwickshire.gov.uk> wrote:
> >> >
> >> > Hi List,
> >> >   Maybe it's just me, but in 2.0 under Settings -> Options -> CRS I
> have
> >> > two options:
> >> >
> >> > "Automatically enable 'on the fly' reprojection if layers have
> different
> >> > CRS"
> >>
> >> This is "don't turn on OTF until you need it."
> >> So OTF starts off, but will turn on when you load something in a
> different
> >> CRS.
> >>
> >> > and
> >> > "Enable 'on the fly' reprojection by default"
> >>
> >> This is "just turn OTF on and be done with it already".
> >>
> >> So OTF starts on and stays on.
> >>
> >>
> >> > My question - what is the difference between these two? They sound
> like
> >> > different phrasings of the same thing.
> >>
> >> So slightly different rules on how you want OTF to behave.
> >>
> >> It might be that you almost exclusively work in one CRS, but
> occasionally
> >> use something in another CRS, in which case the first option is good for
> >> you.
> >>
> >> Or you might be somewhere that you will use 2 or three different CRS
> each
> >> day so the second is just simpler.
> >>
> >> Also, as good as QGIS's OTF is (and I think it's fantastic) there will
> >> always be a cost to using it, so if you're a speed freak or have big
> data
> >> you probably don't want OTF on unless you need it.
> >>
> >> I'm sure one of the others will step in if I've got this all wrong.
> >>
> >> -ramon.
> >> _______________________________________________
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> >> http://lists.osgeo.org/mailman/listinfo/qgis-user
> >
> >
> >
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