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Table 7 Gains of using PostGIS instead of GRASS GIS in MODULE 2 for Milan study area

From: Automatic conversion of OSM data into LULC maps: comparing FOSS4G based approaches towards an enhanced performance

MODULE 2 GRASS GIS POSTGIS
Import Roads and Buildings into GRASS GIS 00:00:15
Near analysis - distance between roads and buildings 00:00:05 00:00:01
Buffer analysis 02:55:05 00:01:12
Import result of buffer analysis into GRASS GIS 00:00:13
Total 02:55:25 00:01:26