QGIS plugin that creates isochrones map from network data.
Site - https://samweli.github.io/isochrones (still on development)
Install QGIS. Download it from http://download.qgis.org/. Instructions on installing QGIS for different Operating Sytstems is available here https://www.qgis.org/en/site/forusers/download.html#tab1
Isochrones
in the All
page of the plugin manager.Isochrones
result item and a page with plugin information will show up.
Install Plugin
button at the bottom of the dialog to install the plugin.After a successful install the plugin will be added to the QGIS plugins menu and database menu.
From the Install from ZIP
page in the QGIS plugin manager,
select the downloaded ZIP file and click the Install Plugin
button to install it.
The plugin is available on a custom QGIS plugin repository that host the plugin most recent versions.
The plugin from the custom repository can be used to get the latest features that haven't landed on the official released plugin version that are published in the QGIS official plugin repository.
The plugin versions available through the custom repository will be flagged experimental. This is because the custom repository might contain plugin versions that have not been approved yet for official use.
When updating the plugin manager users should, in order to make sure the plugin manager fetches the experimental plugins from the custom repository.
Following the below steps to add the custom repository and install the plugin from it.
From the plugin manager enable download of experimental plugins.
Settings
page from the QGIS plugin manager.Click Add
button on the Plugin Repositories group box and use the plugin custom repository found
here https://samweli.github.io/isochrones/repository/plugins.xml
to create a new plugin repository entry.
All
page, search for Isochrones
and install it from there.Download or clone this repository and add the plugin folder into the QGIS plugin directory.
The plugin directory is found on the QGIS profile folder under profile_name/plugins
,
eg. default/plugins
.
QGIS active profile folder can be found by going to User Profiles > Open Active Profile Folder
Restart your Qgis, go to Plugins -> Manage and Install Plugins search for Isochrones
Search results will show a result item with Isochrones
title, toggle the checkbox beside the title to
activate the plugin.
Postgres Database with version 9.5 or above,
with Postgis(tested with version 3.1
) and
pgRouting (tested with version 3.1.3
)
extensions installed.
Setup two postgresql tables one for the network and other for the catchments areas.
Use test data is found here https://github.com/Samweli/isochrones/tree/master/test/data these are shapefiles that you will need to import in your postgresql database as tables.
cost
and a number type, this will be used
for the path calculations during isochrones creation.You can watch the demo video here https://www.youtube.com/watch?v=thBKETlQbqY
The network data before imported in the database should be prepared for routing, information on doing this can be found here http://www.bostongis.com/PrinterFriendly.aspx?content_name=pgrouting_osm2po_1
Isochrones is a free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 (GPLv2) as published by the Free Software Foundation.
The full GNU General Public License is available in LICENSE.txt or http://www.gnu.org/licenses/gpl.html