Using the Intersect Function in Tableau for Spatial Analysis | New in Tableau 2022.4

In geospatial analysis, the intersect function is a powerful tool used to identify the areas of overlap between two or more spatial objects, such as points, lines, or polygons. These objects can represent cities, roads, or census tracts, among other things. The intersect function takes these objects as inputs and outputs a boolean object that represents the area of overlap, essentially true or false. You can imagine it as an imaginary polygon where the two match. This function can be used for tasks such as identifying common features between different datasets, aggregating data at the intersection of regions, and creating thematic maps that show the overlap between spatial data sets. In Tableau, intersect can be combined with other functions and visualization techniques to create interactive maps and charts that help users understand and analyze geospatial data.

Timestamps
0:00 Intro
0:26 Connecting to data
2:03 Creating some points of interest
4:25 Splitting our text to get latitude and Longitude
9:19 Creating our buffer Polygon to intersect
12:06 Creating points for our trees
14:31 Using the intersect function in Tableau
18:50 Some quirks to watch out for

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