![]() We will use the data from opencities to get the city boundary for Chennai and, then the road network data from OpenStreetMap Data Extracts for India. How to download OpenStreetMap data as shapefiles and clip it to your area of interest. In this tutorial, we will take OpenStreetMap road network data and calculate the street intersection density for the city of Chennai in India. With the availability of global street network dataset from OpenStreetMap and QGIS, we can easily calculate and visualize intersection density for any region of the world. This analysis is commonly used in transportation design as well as urban planning to determine walkability of neighborhoods. One can extract and aggregate street intersections over a regular grid to calculate the density. Street intersection density is a useful measure of network connectivity. Batch Processing using Processing Framework (QGIS2)Ĭalculating Street Intersection Density (QGIS3) ¶.Searching and Downloading OpenStreetMap Data. ![]()
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