CREATING AN INDOOR ROUTABLE NETWORKUSING QGIS AND PGROUTING

Tim MannersOrdnance Survey

@tmnnrs

TOPICS COVERED IN THIS PRESENTATIONDevelopment of the data modelCreation of the network datasetGenerating routes using pgRoutingRouting in polygon layers (an alternative approach)

DEVELOPMENT OF THE DATA MODEL

 

CREATION OF THE NETWORK DATASETFloorplans (CAD to SHP)Digitise links [and rooms] - QGISUnique startpoint/endpoint - GDAL commandsBuild network (source/target/cost)

 

 

 

 

GENERATING ROUTES USING PGROUTINGQgis2threejs plugin

Demo

 

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/

ROUTING IN POLYGON LAYERSDemo

 

QUESTIONS