Oups! Forgot the list… Nicolas Cadieux https://gitlab.com/njacadieux
> Le 7 oct. 2021 à 17:23, Nicolas Cadieux <[email protected]> a écrit > : > > Hi, > You can automatically draw an offset by adding a offset in the symbology. > Things get more complicated when line vectorization changes directions as the > offset flips side depending on, for example, if the line is drawn from A to B > or B to A. > > In the QGIS models, https://plugins.qgis.org/, go to models then Fix > Directional Network models 1,2 and 3. That will help you find problems (like > disconnected lines) but also identify all the lines that are flipped. You can > then flip them manually or figure out an algorithm to do it automatically. > > You will also find a boring YouTube video on my YouTube channel. > https://youtu.be/v61PafSByvM > > Nicolas Cadieux > https://gitlab.com/njacadieux > >>> Le 7 oct. 2021 à 14:17, Hugh Kelley <[email protected]> a écrit : >>> >> >> Hi all, >> >> I'm wondering if anyone has any good tricks for mapping bus routes. The key >> problem is defining how to offset lines where the routes overlap. >> >> I've handled this by chopping up the lines and offsetting in postgis >> according to some st_dwithins and st_intersections but wanted to see if >> there is anything in the wide world of QGIS that I'm not aware of. >> >> My understanding is that it's a fairly significant challenge to do a great >> job with it. A company called transitapp had an interesting blog post about >> it a while ago. >> https://archive.transitapp.com/transit-maps-apple-vs-google-vs-us-cb3d7cd2c362#.e9kcryzg1 >> >> >> Hugh >> >> _______________________________________________ >> 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
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