Although it adds a new setting, my vote goes to solution 2. I'm not a fan of "black magic".
Cheers, Denis Le sam. 5 août 2017 à 08:50, Nyall Dawson <[email protected]> a écrit : > Hi all, > > I've recently been made aware of an issue regarding creating new print > compositions from templates. > > Currently, the logic used here is: > > 1. For all map items in the template, check the stored map extent > 2. If this stored extent intersects the full extent of the layers in > the map canvas, then keep it. If not, reset the map item's extent to > match the map canvas. > > I think this logic could be refined. The issue is that any project > with a "global" basemap layer (such as a wms/xyz > tiled/QuickMapServices/etc layer) will ALWAYS satisy the "stored > extent intersects the full canvas extent" requirement, so the map > item's extent will never be altered. > > Possible solutions I can see are: > 1. Change the test to be "if the stored extent has any intersection > with the CURRENT map canvas extent, keep it. Otherwise reset it to the > map canvas extent." > 2. (more intrusive, but more flexible) Add a new "template settings" > section to composer map item properties, with a checkbox for "Store > map extent for use in templates". If checked, the stored map extent in > the template will ALWAYS be used for that map. If unchecked, the map's > extent will ALWAYS be reset to match the current canvas extent. It's > an extra setting, but possibly making the logic explicit and visible > to users will actually make this behaviour simpler to understand. > > What are other's thoughts? > > Nyall > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
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