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Merge pull request #174990 from stevemunk/SM-AzureMapsVisual-HeatMapLayer-NewArticle
New article: Heat map layer for Azure Maps Visual
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‎articles/azure-maps/media/power-bi-visual/heat-map.png

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‎articles/azure-maps/power-bi-visual-add-bar-chart-layer.md

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@@ -52,6 +52,14 @@ The following are all settings in the **Format** pane that are available in the
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## Next steps
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Change how your data is displayed on the map:
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> [!div class="nextstepaction"]
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> [Add a bubble layer](power-bi-visual-add-bubble-layer.md)
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> [!div class="nextstepaction"]
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> [Add a heat map layer](power-bi-visual-add-heat-map-layer.md)
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Add more context to the map:
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> [!div class="nextstepaction"]

‎articles/azure-maps/power-bi-visual-add-bubble-layer.md

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> [!div class="nextstepaction"]
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> [Add a bar chart layer](power-bi-visual-add-bar-chart-layer.md)
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> [!div class="nextstepaction"]
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> [Add a heat map layer](power-bi-visual-add-heat-map-layer.md)
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Add more context to the map:
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> [!div class="nextstepaction"]

‎articles/azure-maps/power-bi-visual-add-heat-map-layer.md

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---
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title: Add a heat map layer to the Azure Maps visual for Power BI | Microsoft Azure Maps
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description: In this article, you will learn how to use the heat map layer in the Microsoft Azure Maps visual for Power BI.
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author: stevemunk
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ms.author: v-munksteve
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ms.date: 10/11/2021
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ms.topic: how-to
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ms.service: azure-maps
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services: azure-maps
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manager: eriklind
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ms.custom:
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---
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# Add a heat map layer to the Azure Maps visual for Power BI
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In this article, you will learn how to add a heat map layer to an Azure Maps visual in Power BI.
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:::image type="content" source="media/power-bi-visual/heat-map.png" alt-text="Heat map layer in Azure Maps Visual for Power BI.":::
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Heat maps, also known as density maps, are a type of overlay on a map used to represent the density of data using different colors. Heat maps are often used to show the data “hot spots” on a map. Heat maps are a great way to render datasets with large number of points. Displaying a large number of data points on a map will result in a degradation in performance and can cover it with overlapping symbols, making it unusable. Rendering the data as a heat map results not only in better performance, it helps you make better sense of the data by making it easy to see the relative density of each data point.
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A heat map is useful when users want to visualize vast comparative data:
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- Comparing customer satisfaction rates or shop performance among regions or countries.
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- Measuring the frequency which customers visit shopping malls in different locations.
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- Visualizing vast statistical and geographical data sets.
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## Prerequisites
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- [Getting started with the Azure Maps visual for Power BI](/power-bi-visual-getting-started.md).
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- [Understanding layers in the Azure Maps visual for Power BI](/power-bi-visual-understanding-layers.md).
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## Add the heat map layer
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1. In Power BI Desktop, select the Azure map that you created.
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1. In the **Format** pane, switch the **Heat map** toggle to **On**.
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Now you can adjust all the Heat map layer settings to suit your report.
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## Heat map layer settings
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The **Heat map** section of the **Format** pane provides flexibility to customize and design the heat map visualizations to meet your specific requirements. The **Heat map** section enables you to:
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- Configure the radius of each data point using either pixels or meters as unit of measurement.
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- Customize the opacity and intensity of the heat map layer.
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- Specify if the value in size field should be used as the weight of each data point.
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- Pick different colors from color pickers.
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- Set the minimum and maximum zoom level for heat map layer to be visible.
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- Decide the heat map layer position amongst different layers, e.g., 3D bar chart layer and bubble layer.
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The following table shows the primary settings that are available in the **Heat map** section of the **Format** pane:
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| Setting | Description |
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|----------------------|------------------|
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| Radius | The radius of each data point in the heat map.<br /><br />Valid values when Unit = ‘pixels’: 1 - 200. Default: **20**<br />Valid values when Unit = ‘meters’: 1 - 4,000,000|
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| Units | The distance units of the radius. Possible values are:<br /><br />**pixels**. When set to pixels the size of each data point will always be the same, regardless of zoom level.<br />**meters**. When set to meters, the size of the data points will scale based on zoom level, ensuring the radius is spatially accurate.<br /><br /> Default: **pixels** |
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| Opacity | Sets the opacity of the heat map layer. Default: **1**<br/>Value should be a decimal between 0 and 1. |
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| Intensity | The intensity of each heat point. Intensity is a decimal value between 0 and 1, used to specify how "hot" a single data point should be. Default: **0.5** |
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| Use size as weight | A boolean value that determines if the size field value should be used as the weight of each data point. If on, this causes the layer to render as a weighted heat map. Default: **Off** |
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| Gradient |Color pick for users to pick 3 colors for low (0%), center (50%) and high (100%) gradient colors. |
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| Min zoom |Minimum zoom level the layer is visible at. Valid values are 1 to 22. Default: **0** |
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|Max zoom |Maximum zoom level the layer is visible at. Valid values are 1 to 22. Default: **22**|
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|Layer position |Specify the position of the layer relative to other map layers. Valid values include **Above labels**, **Below labels** and **Below roads** |
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## Next steps
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Change how your data is displayed on the map:
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> [!div class="nextstepaction"]
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> [Add a bar chart layer](power-bi-visual-add-bar-chart-layer.md)
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Add more context to the map:
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> [!div class="nextstepaction"]
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> [Add a reference layer](power-bi-visual-add-reference-layer.md)
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> [!div class="nextstepaction"]
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> [Add a tile layer](power-bi-visual-add-tile-layer.md)
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> [!div class="nextstepaction"]
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> [Show real-time traffic](power-bi-visual-show-real-time-traffic.md)
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Customize the visual:
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> [!div class="nextstepaction"]
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> [Tips and tricks for color formatting in Power BI](/power-bi/visuals/service-tips-and-tricks-for-color-formatting)
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> [!div class="nextstepaction"]
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> [Customize visualization titles, backgrounds, and legends](/power-bi/visuals/power-bi-visualization-customize-title-background-and-legend)

‎articles/azure-maps/toc.yml

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href: power-bi-visual-add-bubble-layer.md
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- name: Add a bar chart layer
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href: power-bi-visual-add-bar-chart-layer.md
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- name: Add a heat map layer
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href: power-bi-visual-add-heat-map-layer.md
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- name: Add a reference layer
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href: power-bi-visual-add-reference-layer.md
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- name: Add a tile layer

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