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Perhaps you could to use coordinate X and Y from the group of point to obtain x min, x max, y min and y max and then you could obtain X and Y from the center and the radius or diameter. Obviously, you'll obtain 2 data, X and Y, you should to choose the more interesting from your work, mínimun, mean, maximum... In this way to obtain the circle and the ...


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I had a similar problem, so I developed a QGIS plugin which is now available in the official QGIS plugins repository and can be found in the QGIS menu: Plugins / Manage and Install Plugins... and search for Disconnected Islands. http://plugins.qgis.org/plugins/disconnected-islands/ This plugin runs on a polyline layer, building up a road (or rail, etc.) ...


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If your traffic points are intersecting the road network, you can use the Join attributes by location tool from the toolbar: Vector > Data Management Tools > Join attributes by location... I use the following options to make sure I get all the attributes from both layers and delete the ones I no longer need. This should provide you with a point layer which ...



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