On 26 October 2017 at 05:30, C Hamilton <[email protected]> wrote: > I just found that an API changed made a break with Lat Lon Tools which is > OK because I understand it is in flux. > > A while back a change was made to use QgsPointXY with QgsVertexMarker and > QgsRubberBand through QgsGeometry.fromPolyline(). In looking at the > documentation there is now a fromPolylineXY(), but from the API breaks > documentation it seems like the use of fromPolyline is preferred. >
This is a perfectly valid use of fromPolylineXY - since the created geometry is only for display and presence of Z/M will have no effect. I think most of the purely-gui classes are now working with QgsPointXY (unless they've explicitly added overrides for QgsPoint objects). If you find a GUI/canvas class which *only* works with QgsPoint I'd say that's a bug and should be fixed in the API. Basically the rationale here is that we needed a really lightweight 2d point class (since QgsPoint is a QgsAbstractGeometry and comes with the associated overhead + complex api). Ideally we'd just use QPointF, but unfortunately QPointF uses qreal which is float on some platforms (and we need to be guaranteed a double for some use cases). 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
