Hi Tyler, I have step-by-step tutorials for using the built-in network analysis tools, QNEAT3 and ORS Tools plugins that show how to setup and use them. Do have a look and see if you can make it work for your dataset.
*Basic Network Visualization and Routing (QGIS3)* <https://www.qgistutorials.com/en/docs/3/basic_network_analysis.html> *Locating Nearest Facility with Origin-Destination Matrix (QGIS3)* <https://www.qgistutorials.com/en/docs/3/origin_destination_matrix.html> *Service Area Analysis using Openrouteservice (QGIS3)* <https://www.qgistutorials.com/en/docs/3/service_area_analysis.html> [image: Logo] <https://spatialthoughts.com/> Ujaval Gandhi Spatial Thoughts mobile: +91-8095684687 email: uja...@spatialthoughts.com [image: LinkedIn icon] <https://www.linkedin.com/in/spatialthoughts/> [image: Twitter icon] <https://twitter.com/spatialthoughts> Subscribe to our newsletter http://bit.ly/spatialthoughts-newsletter On Wed, Mar 25, 2020 at 9:05 PM Nicolas Cadieux < nicolas.cadi...@archeotec.ca> wrote: > Hi, > > The first thing I would do is to check the network integrity. Perhaps > some road are not connected (snapped). You also need a snap and break at > every intersection. You can do some of this by exporting all the end node. > Check for multiline vs lines. You can split all of those in the vector > menu. Your problems are likely linked to a bad network topology. Users of > that network could perhaps confirm this? I have used it but not for this > type of stuff. > > Nicolas Cadieux > > > Le 25 mars 2020 à 10:22, Tyler Veinot <tylerkvei...@gmail.com> a écrit : > > > > > > All; > > I have a network, Canada National Road Network it is a free download, > that I am trying to use for PEI and the City of Charlottetown to find out > what area is within X time of various points of interest. I used Here for > QGIS to get the initial result but QGIS has a tool built in Network Analyst > that has Service Area from Network and from Point, also and QNEAT that has > 6 isochrone tools for doing exactly what I am trying to do. For some reason > though the results don't seem to match the network. I would expect the from > the point of origin the shortest times to be along the lines and radiate > out. > > What tools are you guys using to do this kind of work? Do my values for > forward backward both direction need to be numeric? Any tutorials on using > these tools? > > Thanks; > > Tyler > > _______________________________________________ > > Qgis-user mailing list > > Qgisfirstname.lastname@example.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > _______________________________________________ > Qgis-user mailing list > Qgisemail@example.com > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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