Creating service area in QGIS

Introduction

Network analyst tools comparing the in program tool to a plug in basic how they are different

Data

Finding and downloading data For this tutorial we will be using only open data and open sourced programs. You will need to have QGIS installed to perform this tutorial. All data will come from Open Ottawa Catalogue. The files you will need for this tutorial are:

once all the data is downloaded create a folder in you computer to move all your data files to. Name this new folder something relevant to the tutorial so it is easy to find like NetworkAnalysis_ServiceAreasTutorial. This is to ensure you can easily all the files needed.

uploading data into QGIS

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Part 1: QGIS Network analyst tool

What is the network analyst tool how does it work

Creating Service Areas

Network data (deleting some roads)

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Finding Network analyst tools

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setting Network analyst menus output Creating polygons around them ?dissolve output

Part 2: Valhalla Network Analyst tool

What is the Valhalla plug in how does it work

Plugins

Finding plug ins why were using them

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  QuickMapServices Plugin

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  Valhalla Plugin

Creating Service Areas

finding Valhalla

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creating an account and getting API

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Setting up the menus

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output

save as dissolve together

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trouble shoot fix geometry set symbology

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output

Conclusion

comparing out puts from both tools strengths and weaknesses from both tools uses for these tools and their outputs