Hi Paolo,
I have some rought notes that I can try to polish up a bit and share here.
I'll see if I can find the time for that today. I didn't get to the bottom of
the problem but I am leaning towards the issue being that QGIS uses an
inferior algorithm to determine geodesics. Unfortunately I could
thanks for the info Nyall!
Regards,
Otto
Am Tue, 25 Sep 2018 16:37:38 +1000
schrieb Nyall Dawson :
> On Mon, 24 Sep 2018 at 19:20, Otto Dassau wrote:
> >
> > Dear Devs,
> >
> > in QGIS 3 I found the expression "is_layer_active" within the copyright
> > decoration very useful. I would like to u
On Mon, 24 Sep 2018 at 19:20, Otto Dassau wrote:
>
> Dear Devs,
>
> in QGIS 3 I found the expression "is_layer_active" within the copyright
> decoration very useful. I would like to use this expression also within the
> print composer, but it seems to be not available there.
Confirmed -- fix inco
Hi Kristian,
Il 09/25/2018 07:24 AM, Kristian Evers ha scritto:
>
>
> On a related note, I have been meaning to raise a similar issue based
> on QGIS’s not so accurate polygon-area-on-the-ellipsoid calculations.
> A colleague of mine came across some differences between QGIS and
> CARIS LOTS whil
Nyall,
that would be a very welcome addition to QGIS! Let me know if I can be of
assistance to you in that regard (I suspect documentation might be the biggest
issue…).
Calvin,
The functionality that PROJ exposes from GeographicLib is seen in the
geodesic.h header [0]. I am not entirely sure
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On Tue, 25 Sep 2018 at 06:49, C Hamilton wrote:
>
> Nyall,
>
> Thanks for your confidence and encouragement. I would be interested, but
> don't know where to begin. Shape Tools relies on geographiclib which is
> slightly more accurate than Vincinty. Geographlib is not a library that is
> includ
Nyall,
Thanks for your confidence and encouragement. I would be interested, but
don't know where to begin. Shape Tools relies on geographiclib which is
slightly more accurate than Vincinty. Geographlib is not a library that is
included with the OSGeo distribution. However, as of the past several y
Hi list,
what is the proper way to stop a very long processing alghorithm running
in QGIS 3 in a python plugin?
In my plugin under QGIS 2, I assigned to the GeoAlgorithm a custom
AlgorithmDialog that stops the running thread when the "closing event"
happens (i.e. when the user clicks on the cl
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Dear Devs,
in QGIS 3 I found the expression "is_layer_active" within the copyright
decoration very useful. I would like to use this expression also within the
print composer, but it seems to be not available there.
Is this correct, are expressions not available all over QGIS within the
expression
Hi,
thanks for your answer. Seems memory layer is the only way to go.
Best regards
On Sun, 23 Sep 2018 at 22:38, Tim Sutton wrote:
> Hi Adam
>
> I think the idiomatic way to do this would be to rather make (convert
> rubber bands to) a memory layer with some features that you need displayed
> f
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