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You've seen how Power BI has some built-in mapping capabilities to allow you to visualize geographic data. We also have an integration to Esri's ArcGIS product. This is another visual type that allows you to use both your own geographic data but also combine it with data from Esri's service. So for example, I'm going to visualize here some insurance data and some storm issue data from around Florida. And you can see using the visualization the default is kind of this bubble map very similar to the one that ships out of the box with Power BI. But there are a whole bunch of different options that you get when using Esri's visual instead. For a start, they have some extra selection methods that allow you to draw a rectangle around certain products to select them and highlight them. And you'll see in the same way that you would do with any other visual you get cross-highlighting and cross-filtering happening alongside everything else— all the other visuals in your report. But I've also got a whole range of different options to format and theme this visual in different ways. So for a start I can change the base map. We have kind of this dark gray visualization. I can even use open street map, all the Esri's streets view. And these give us just different styles of map that have varying levels of detail that might be useful for you. I'm going to stick to this light gray one. I can choose different ways of visualizing the individual points or individual data that I want to plot. So either as points or as boundaries. So if I have things like zip codes, I'd be able to draw those shapes or if I had state outlines I'd be able to draw those too. I could also do things like changing the theme. So individual points can be shown just as locations or sized bubbles if we've got some value that we want to plot. I can cluster these as well, so here I've got a really high number of points on this map. But I can split it up into these clusters which help kind of identify where the larger values are— the larger groups of values are. So I can see there's a lot centered here around Orlando. And as I zoom in, those clusters will get split up. And when there's enough space between them, we'll see individual points as well. I could also use this heat map view. And this does an overlay of all of those different points in colors again based on the clusters of data in here. And this is using the ArcGIS service to render all of these data points into this heat map view. Let's leave that on size for now, as well. I can control the symbols that are being used to show these, so I can control transparencies and how we want to show those bubbles or what the minimum and maximum sizes are. So I've got a lot of control over exactly how these things are plotted. But I think that one of the most exciting things that you can do here is add reference layers. So as well as having the individual points that come from your own data, you can mash this up with other data from Esri. So they have some basic demographic data for the USA out of the box, things like household incomes or income per capita, for different states and counties and even cities within those. Adding them is as simple as choosing the area that you're interested in. And you'll see that starts to get plotted behind your own point. Again, as I zoom in and out those things adapt and adjust sensibly. So when you're zoomed out all the way, you'll see state outlines. And as you get further in, you'll see the county or even city outlines instead. But I can also add totally custom reference layers from the ArcGIS catalog. So if you published your own up there, you'd be able to pull those in. And in fact, we've done something similar here where we've got some data about storm surges. Now obviously when I'm looking at insurance data like the storm surge risk areas or historical storm surges, they're going to be something that's really important when I'm comparing these policies. So let's choose one of these. Again, I can choose to add that as a reference layer. And we can see now that we've got different areas drawn underneath these points to show spots where there are high or low storm surges. So I can see there's a lot of our insurance policies around this area, but let's try—one of the things we can do here is to actually select using that reference layer just the points within that area. So when I click on this blue area, you see just the points there that are relevant to this area get highlighted. And of course, the same cross-highlighting applies as you'd expect from any other visual. So I can focus on this red area as well as the highest risk areas, but how many of these policies are actually within that location? Well, it turns out it's just that one. So it's probably not an area that I need to worry about. In this area right here, they've got a high number of policies within that region. And I can use Esri's understanding of geography and how these shapes are overlaid to help me with this sort of analysis. This is a really, really, really powerful mapping technology from Esri built right here into Power BI Desktop.

Video Details

Duration: 5 minutes and 25 seconds
Country: United States
Language: English
License: All rights reserved
Genre: None
Views: 9
Posted by: csintl on Dec 10, 2016

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