[QGIS-Developer] EqualEarth projection support in QGIS?

Even Rouault even.rouault at spatialys.com
Tue Aug 28 11:26:13 PDT 2018


On mardi 28 août 2018 20:21:49 CEST Andreas Neumann wrote:
> Hi Kristian,
> 
> Thanks for the information/help.
> 
> I compiled proj from github (5.2) and confirmed that QGIS is compiled
> against it in the about dialogue.
> 
> However, when trying to add a custom projection (see screenshot below)
> 
> 
> 
> it complains that the definition is not valid.

try "+proj=eqearth +wktext" as this projection isn't known by GDAL

> 
> Any idea what might be wrong?
> 
> Thanks again,
> Andreas
> 
> Am 28.08.2018 um 17:21 schrieb Kristian Evers:
> > Andreas,
> > 
> > Given a recent development version of PROJ you should be able to use the
> > projection in QGIS. Just add a custom CRS with the setup string
> > “+proj=eqearth”.
> > 
> > For those who don’t want to build PROJ themselves will only have to wait a
> > few weeks until PROJ 5.2.0 is released and picked up by the packagers :-)
> > 
> > /Kristian
> > 
> >> On 28 Aug 2018, at 16:25, Andreas Neumann<a.neumann at carto.net>  wrote:
> >> 
> >> If i had the latest proj4 compiled on my machine - would I have this new
> >> "EqualEarth" projection automatically available in QGIS, or is there
> >> something that needs to be added in QGIS as well?
> >> 
> >> Andreas
> >> 
> >> Am 28.08.2018 um 16:18 schrieb Andreas Neumann:
> >>> Hi,
> >>> 
> >>> Twitter is full of mentions of the "EqualEarth" projection. It is
> >>> implemented in many web frameworks now and even appears on TV
> >>> -->https://twitter.com/MtnMapper/status/1034431370867761152
> >>> 
> >>> How can we get this projection into QGIS? Seems it is in proj4
> >>> already:https://github.com/OSGeo/proj.4/commit/b2fe2277e225d3e666cdcce9
> >>> 2182595bb547cb0c
> >>> 
> >>> Would be nice to show that QGIS is more agile than other commercial
> >>> competitors ;-)
> >>> 
> >>> Andreas
> >>> 
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> >> 
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