15 décembre 2017
khartwell, « Extracting Intersections », Métrologie des ambiances urbaines, ID : 10670/1.tfwyvd
Extracting Intersections¶ T4QG offers two diferent methods for extracting the open space at intersections. Intersections are here defined by points (i.e., a QgsPoint Layer). You may already have a a point layer available, or you may have to extract it from lineString data using STToRoadsSectionsNodes(). An isovist is a tool used for the simulation and analysis of visibility from an individual point of view. More information can be found in the post about Understanding Ray Casting and Isovists...