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If you would like to calculate GWR in R, you should try GWmodel. If you need to do it in Python, you can also use pygwr. GWmodel contains many geographically-weighted (GW) models including gwr (GW regression), gwpca(GW principal components analysis), gwda(GW Discriminant Analysis), gwr.generalised(Generalised GWR models, including Poisson and Binomial), ...


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One of the best place to search and explore source code for PostGIS is through the GitHub mirror: https://github.com/postgis/postgis For instance, search ST_DWithin, where you will then search LWGEOM_dwithin, then lwgeom_mindistance2d_tolerance, then lw_dist2d_comp, then lw_dist2d_recursive, and then different versions of lw_dist2d_distribute* ...


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yes! I worked it out. ScapeToad outputs mixed geometries - MULTIPOLYGON and POLYGON. I fixed this using "Multiparts to Single Parts". It also interpolates, so that there are more points in the output polygons (this depends on the quality setting). To get around this, I used the QChainage plugin to create 200 equally spaced points on both the original and ...


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We have developed the AddTransit GTFS editor (https://addtransit.com) specifically for small to mid size public transit and transportation companies. This is a commercial GTFS editor and is hosted on the cloud, so there is no installation or IT expertise required by the user.


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try to use collector for ArcGIS with cartoview www.cartologic.com/cartoview . With cartoview you can define a web map and serve it out with a webmapID, authentication and communication to cartoview follows the same REST standards like ArcGIS portal, you can use web appbuilder and other templates from ESRI together with CartoView, it is opensource



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