Thanks! That did the trick Peter Aldhous, PhD Science journalist Contributor, MATTER <https://www.medium.com/matter> phone: 415 800 3471 cell: 415 503 7323 email: pe...@peteraldhous.com <mailto:pe...@peteraldhous.com> web: www.peteraldhous.com <http://www.peteraldhous.com/> twitter: @paldhous <https://twitter.com/paldhous>
On 7/1/14, 11:23 AM, Larry Shaffer wrote: > Hi Peter, > > On Sun, Jun 29, 2014 at 9:35 AM, Peter Aldhous <pe...@peteraldhous.com > <mailto:pe...@peteraldhous.com>> wrote: > > Yes, on my system the problem also resolves on zooming - although > I'd only use Robinson for a global view. > > However, I have no problem with Google Mercator. > > Would really like to know how to fix this! > > > Try turning off 'Simplify geometry' for the layer (in layer > properties) [0]. For new projects, not existing ones, the default > behavior in QGIS 2.4 can now be controlled by a checkbox in Options -> > Rendering (I think it's the Rendering tab, not at a computer right > now). Then, you can selectively turn it on for layers where > simplification would help speed up rendering. > > [0] http://gis.stackexchange.com/a/100333/6725 > > Regards, > > Larry Shaffer > Dakota Cartography > Black Hills, South Dakota > > > > > Peter Aldhous, PhD > Science journalist > Contributor, MATTER <https://www.medium.com/matter> > phone: 415 800 3471 <tel:415%20800%203471> > cell: 415 503 7323 <tel:415%20503%207323> > email: pe...@peteraldhous.com <mailto:pe...@peteraldhous.com> > web: www.peteraldhous.com <http://www.peteraldhous.com/> > twitter: @paldhous <https://twitter.com/paldhous> > > On 6/29/14, 7:57 AM, Micha Silver wrote: >> I can verify this same behavior on Win7 with QGIS 2.4 64b. I >> think it has to do with the shapes crossing the 180ยบ line. If you >> zoom in to a smaller area that includes only countries in one >> hemisphere, the borders look OK. Also, it's not only Robinson and >> Mollweide: any global projection will show strange trapezoids >> (even "Google" mercator) >> I also see that if you use the *spatialite database file* from >> naturalearthdata.org <http://naturalearthdata.org> this problem >> disappears. You can switch to other world projections with no >> problem. >> >> On 29/06/2014 16:59, Peter Aldhous wrote: >>> I don't think the image came through, but the problem is that >>> every polygon ends up as a trapezoid, so I end up with a >>> collection of overlapping trapezoids >>> >>> Peter Aldhous, PhD >>> Science journalist >>> Contributor, MATTER <https://www.medium.com/matter> >>> phone: 415 800 3471 <tel:415%20800%203471> >>> cell: 415 503 7323 <tel:415%20503%207323> >>> email: pe...@peteraldhous.com <mailto:pe...@peteraldhous.com> >>> web: www.peteraldhous.com <http://www.peteraldhous.com/> >>> twitter: @paldhous <https://twitter.com/paldhous> >>> >>> On 6/29/14, 6:54 AM, Peter Aldhous wrote: >>>> Hi all, >>>> >>>> I'm using the KyngChaos install of QGIS on the Mac (Mavericks >>>> and Lion, on different machines), and I've been having problems >>>> with projections including Robinson and Mollweide from QGIS >>>> 2.2 onwards. >>>> >>>> Everything was fine in QGIS 2.0, but in 2.2 and 2.4, >>>> re-projecting a world Natural Earth shapefile to a Robinson >>>> projection, for example, gives this: >>>> >>>> Any idea what might be going on, and how to fix it? >>>> >>>> Thanks, >>>> >>>> >>>> -- >>>> Peter Aldhous, PhD >>>> Science journalist >>>> Contributor, MATTER <https://www.medium.com/matter> >>>> phone: 415 800 3471 <tel:415%20800%203471> >>>> cell: 415 503 7323 <tel:415%20503%207323> >>>> email: pe...@peteraldhous.com <mailto:pe...@peteraldhous.com> >>>> web: www.peteraldhous.com <http://www.peteraldhous.com/> >>>> twitter: @paldhous <https://twitter.com/paldhous> >>>> >>> >>> >>> >>> This mail was received via Mail-SeCure System. >>> >>> >>> _______________________________________________ >>> Qgis-user mailing list >>> Qgis-user@lists.osgeo.org <mailto:Qgis-user@lists.osgeo.org> >>> http://lists.osgeo.org/mailman/listinfo/qgis-user >>> This mail was received via Mail-SeCure System. >>> >>> >> >> >> -- >> Micha Silver >> GIS Consulting >> 052-3665918 >> http://www.surfaces.co.il > > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org <mailto:Qgis-user@lists.osgeo.org> > http://lists.osgeo.org/mailman/listinfo/qgis-user > >
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