# Catchments

This module returns demographic profile of an area with given travel time and travel mode around a selected point.\


![](https://3311738203-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LMbyNmpULug5kukGHme%2F-LNLAoNikcq4ttoueIhm%2F-LNLB8WzfvT9bupf9ijg%2FCatchments%20\(01\).png?alt=media\&token=4cb839b9-e6c6-415a-ac65-b944124f31fb)

_Fig. 5.1. Catchment settings: walking or driving, travel time in minutes._

![](https://3311738203-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LMbyNmpULug5kukGHme%2F-LNLBQTQkDkO-kEW-p0W%2F-LNLBZj-jH_V_9Nrmbkm%2FCatchments%20\(02\).png?alt=media\&token=9e1bcba1-2801-43aa-a7b5-1826fb565967)

_Fig. 5.2. Catchment isochrone representing 45 minutes of travel time driving around location in West London along with area demographic grid surface._

Catchment GeoJSON object can be copied using \`Copy to clipboard\` button and reused within any other platform where GeoJSON format is supported. It can be pasted as a layer directly to QGIS.
