How to use Buffer Calculation in tableau for Spatial Analysis |Mapbox| Tableau Map
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- Опубліковано 22 лип 2024
- Buffer calculation was introduced in Tableau 2020.1. It allows us to plot a circle around a point with the required radius. Tableau tutorial for beginners
Tableau Dashboard : public.tableau.com/views/Howt...
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Good Video Thank U , keep posting
Thank you, I will :-)
Hi, the "DISTANCE" calc is returning an "aggregate vs non-aggregate" error.
Hey,
Thanks alot for this,
How this can be done if i want to create multiple circles boundaries, For example 3 boundaries with radius if 100,500,1000 meter?
Hi Nitesh,
Yes, part of this is possible. You can try creating another radius parameter and another buffer calculation and create another layer on map. Using old version of tableau which i used in the tutorial, you can use 2 latitude pills in row shelf and use one with radius 100 and other with radius 150 . This will work.
However you can try this with latest version of tableau where we have multiple map layer feature that was released in version 2020.4
Please try that and let me know if you need more information.
Cheers!
Gurpreet
Thanks for the video, Please share the dataset to practice. In tableau public getting error to download the file
Hi Vamsi, Pase try to download the workbook from my tableau public profile. I have updated the link from where you can download the workbook. Please let me know if you face any issues. Cheers!
public.tableau.com/views/Howtousebuffercalculationintableau/BufferCalculation?:language=en-US&:display_count=n&:origin=viz_share_link
@@DataVizCanvas Hey thanks, it's working now!!
How do I get the data for specific lat and lgn?
Hi Javier, buffer calculation only works with location fields i.e. lat and long
These calculation are used for Spatial analysis and for that you need to have data for lat and longitude.
If you have location or address field in your data set then you can easily find the lat and long using google search. Hope that helps
I have a global data set. When I use buffer it's working fine in fixed(pinned) map.. but i filter any particular state if i zoom in to that state level. Buffer circle size is not resizing to the zoomed map level.. any solution for that..
Hi Bastin, Apologies for late reply.
You can check out my below dashboard where i have used "action" to filter out the area included in the boundary. Please have a look and let me know if that helps your scenario and i can do a seperate tutorial on it.
Link : public.tableau.com/app/profile/gurpreet.singh2669/viz/AustraliasPopulation/AustraliaPopulationStats
Cheers!
Gurpreet
Does this video go through how to get the pub point
This tutorial is about how to use buffer calculation. Pub points are taken from data which have latitude and longitude points. You can download lat and long from websites if you have address using below link www.latlong.net/convert-address-to-lat-long.html
@@DataVizCanvas My question is more of what is the formula that is used for the pub point calculated field