1 Reply Latest reply on Dec 6, 2018 11:42 AM by Sarah Battersby

    Calculating Area Km2 inside a filled map

    Lakshman Ganesharajah

      Hello,

       

      New Tableau user here.

       

      I've been provided a GIS (Shp) file which contains population data for areas of a city based on zones.

       

      I'm wondering if its possible at all to calculate the area in km2 within each of the zones below in a new calculated field? (and how i would do this)

       

      I'm after this data so i calculate the population/km2 (density) for the years 2020,2030,2050 from my data set

       

      I believe the longitude and latitude data was generated from the variable "polygon" in my workbook.