Dear Andre, Thanks for your reply. I was optimistic that this would work, but sadly it does not. I've tried creating various polygons, and running either clip or difference. Even if I cut the world shapefile 5 degrees away from 180E/W, I'm still getting the bizarre trapezoid behavior on reprojection to Robinson in QGIS.
ogr3ogr in the command line works fine, and there I don't need to clip, the reprojection works and the shapefile loads perfectly in QGIS. So this is fine for my purposes, but it does seem that something has gone awry with reprojection in the latest version of QGIS for the Mac. Which will be a shame when I come to teach it. Best wishes, Peter 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>
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