Difference between revisions of "Creating service area in QGIS"
From CUOSGwiki
Jump to navigationJump to search (Blanked the page) Tag: Blanking |
|||
| (51 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
== '''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 [https://open.ottawa.ca/ 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''' |
|||
<gallery> |
|||
Tutorial_inputdata.PNG| |
|||
</gallery> |
|||
=== '''Part 1: QGIS Network analyst tool''' === |
|||
What is the network analyst tool how does it work |
|||
==== Creating Service Areas ==== |
|||
Network data (deleting some roads) |
|||
<gallery> |
|||
Deleteroads.PNG| |
|||
Deleteroads2.PNG| |
|||
</gallery> |
|||
Finding Network analyst tools |
|||
<gallery> |
|||
Networkanalyst_tool.PNG| |
|||
</gallery> |
|||
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 |
|||
<gallery> |
|||
basemapplugin.PNG |QuickMapServices Plugin |
|||
ValhallaPlugin.PNG |Valhalla Plugin |
|||
</gallery> |
|||
==== Creating Service Areas ==== |
|||
finding Valhalla |
|||
<gallery> |
|||
Findingvalhalla.PNG| |
|||
</gallery> |
|||
creating an account and getting API |
|||
<gallery> |
|||
API.png| |
|||
</gallery> |
|||
Setting up the menus |
|||
<gallery> |
|||
valhalla.PNG| |
|||
</gallery> |
|||
output |
|||
save as |
|||
dissolve together |
|||
<gallery> |
|||
Dissolve1.PNG| |
|||
</gallery> |
|||
trouble shoot fix geometry |
|||
set symbology |
|||
<gallery> |
|||
symbology4.PNG| |
|||
</gallery> |
|||
output |
|||
== '''Conclusion''' == |
|||
comparing out puts from both tools |
|||
strengths and weaknesses from both tools |
|||
uses for these tools and their outputs |
|||
