Some interesting solution found in pgadmin https://gis.stackexchange.com/questions/261654/automatic-bus-route-map-without-overlaps
Nicolas Cadieux https://gitlab.com/njacadieux > Le 11 nov. 2022 à 09:13, Nicolas Cadieux <[email protected]> a > écrit : > > Hi, > > I am not aware of a function or of a plugin that does that. I would start by > googling. A quick Google search has shown me this python solution. > https://gis.stackexchange.com/questions/239129/shifting-display-of-overlapping-lines-in-qgis > > It was created for an earlier version of QGIS with another version of Python. > If would need to be adapted. If this is for a small project (but to big to > do by hand) you could always just install a QGIS 2.XX version of QGIS in a > virtual machine to see if it works. > > Then, you could ask help to adapt if to QGIS 3x. Maybe there is a plugin > that already does this. > > Nicolas Cadieux > https://gitlab.com/njacadieux > >>> Le 11 nov. 2022 à 06:45, Bombonato Antonio Maria >>> <[email protected]> a écrit : >>> >> >> Thanks Nicolas. >> Unfortunately, the problem is not to identify the overlapping lines. >> I already have a shapefile that identifies the sections with multiple >> overlapping lines. In this shapefile, for each segment with overlaps, I have >> the indication of how many overlapping lines there are (at most 3). >> The real problem is to draw the lines without overlappings. >> Any suggestion will be appreciated. >> >> <image001.png> >> Antonio Maria Bombonato >> Software Developer >> Business Unit Ultra Broadband >> >> Italtel S.p.A. >> Via Caldera, 21 >> 20153 Milano MI – Italy >> email: [email protected] >> P: +39 024388388 >> www.italtel.com >> >> >> >> Da: Nicolas Cadieux <[email protected]> >> Inviato: martedì 8 novembre 2022 18:40 >> A: Bombonato Antonio Maria <[email protected]>; >> [email protected] >> Oggetto: Re: [Qgis-user] Problem display overlapping lines >> >> Hi, >> >> It would be nice to have this QGIS. My first reaction is to use line offset >> but the end result is not predictable. You may need to work with Python to >> do this. You could also probably create a model. >> >> If you need to identify the overlapping segments, you can use my Fix >> Directional Network model 1 to 3. You can download this on the plugin page. >> https://plugins.qgis.org/models/?order_by=-upload_date&&is_gallery=true >> >> The first model will check the Geometries. Test with all default values. >> After running this model, run the second model. It should identify all >> partially overlapping lines. This layer will be called "Potential Problem >> || Overlapping lines." You can open the second model and look at the "Find >> overlapping lines" algorithm to see how it's done. It should find any >> overlapping or partially overlapping lines. >> >> This video should help you figure things out. https://youtu.be/v61PafSByvM >> >> It's not a total solution but it's at least a start! >> >> Nicolas Cadieux >> >> >> >> Le 2022-11-03 à 3:12 p.m., Bombonato Antonio Maria via Qgis-user a écrit : >> Hello, >> First of all, sorry for my english. >> My name is Antonio Bombonato and it is the first time I ask a question to >> this mailing list. >> >> I have a shapefile with multiple routes (each one is identified by an >> univoque OBJECT_ID) and some are partially overlapped (i.e they share the >> same segment). I need to display these routes so they are all visible and >> without overlapping. >> >> i tryed using line offset but some line still remains overlapped. >> Any idea to solve the problem, possibly using a python script, will be >> appreciated. >> >> Attached the starting shapefile (cables) and the desired result I want to >> obtain (target). >> In this case the shapefile target was created manually moving the vertices >> of each line. >> >> P.S. I use 3.16.7-Hannover QGIS version >> >> Best regards, >> Antonio >> >> <image001.png> >> Antonio Maria Bombonato >> Software Developer >> Business Unit Ultra Broadband >> >> Italtel S.p.A. >> Via Caldera, 21 >> 20153 Milano MI – Italy >> email: [email protected] >> P: +39 024388388 >> www.italtel.com >> >> >> >> >> >> _______________________________________________ >> 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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