Hi, I don’t have QGIS in front of me. I looked around on the the net and was surprised to see the «covered By » option for points and lines. Unless a line is snapped, or intersects a point exactly on a Line node, it’s just about impossible to calculate if a line « covers » a point. This is something easy to do with a polygon but not a line because of float point precision error. You could buffer the lines and see if that helps. You could create a 1m buffer on the line (or the point). Make sure both layers are in the same crs so that additional calculations don’t need to be done.
You could at the « select by location » side. I would look at « snap with » or «intersects with »options. Nicolas Cadieux Ça va bien aller! > Le 13 avr. 2020 à 06:11, Marshal Mappers <[email protected]> a écrit : > > > Hello everyone, > I want to use the topology checker to check if point features are covered by > line features. For example are the bus stops covered by the bus lines. > Therefore I use the topology checker with the following rule: "points" must > be covered by "lines". But I get the error for all points that "point is not > covered by segment". > I even get the error for points that I edited on the line with snapping. > Here my questions: > 1. Is it possible to check if point features are covered by line features? > With topology checker? In general? > 2. What does the rule: "points" must be covered by "lines"check? Under what > cicumstances is a point feature covered by a line feature? > > I tried this in QGIS Versions 2.18.26; 3.4.15; 3.10.2 > My OS ist Windows 10 > I tried with shapefiles and geopackage layers > The CBS of point and line layers are the same. Here I tried the coordinate > systems with epgs: 31468 (DHDN / 3---degree Gauss-Kruger zone 4) and 25832 > (ETRS89 / UTM zone 32N). > If anyone could explain or point me to the right direction, that would be > awesome. > > Thank you! > > Best regards > > Marshal > _______________________________________________ > Qgis-user mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
