creating and indoor routable network with qgis and pgrouting
TRANSCRIPT
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CREATING AN INDOOR ROUTABLE NETWORKUSING QGIS AND PGROUTING
Tim MannersOrdnance Survey
@tmnnrs
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TOPICS COVERED IN THIS PRESENTATIONDevelopment of the data modelCreation of the network datasetGenerating routes using pgRoutingRouting in polygon layers (an alternative approach)
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DEVELOPMENT OF THE DATA MODEL
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CREATION OF THE NETWORK DATASETFloorplans (CAD to SHP)Digitise links [and rooms] - QGISUnique startpoint/endpoint - GDAL commandsBuild network (source/target/cost)
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GENERATING ROUTES USING PGROUTINGQgis2threejs plugin
Demo
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ROUTING IN POLYGON LAYERSGRASS GIS (to rasterise vector polygon)
r.cost - Creates a raster map showing the cumulativecost of moving between different geographic locations onan input raster map whose cell category values representcostr.drain - Traces a flow through a cost surface on araster map
https://anitagraser.com/2015/04/17/routing-in-polygon-layers-yes-we-can/
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QUESTIONS