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Make classic point, heat, and boundary maps

For users whose datasets contain a location column, they can create three types of maps which you can create and customize on the Socrata Platform are Point, Heat and Boundary maps.

Note: To learn how to create valid location columns, please follow this link.

To create a point, heat, or boundary map, you will need to start with a dataset that contains a successfully geocoded location column. If a location column is incomplete or unable to geocode, you will see the cell values italicized

Once this is complete, navigate to the green 'Visualize' button, located above the dataset and select the 'Map' section. You can only see this section if your dataset contains successfully geocoded information.

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Choose from Point, Boundary, or Heat Map by selecting the Plot Style

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Location: If there is a single valid geocoded Location column this will be automatically selected. If there is more than one location column in the dataset, it will need to be selected to create the desired map. 

Below are examples of the formatting of point, heat, and boundary maps.

Point Map and Heat Map

point-map.gif heat-map.gif

One thing to highlight about point maps is clustering. Clustering is a responsive feature applied by our platform to point maps to make them usefully viewable at any zoom level. It occurs when a point map is viewed beyond a certain zoomed-out threshold where the point density is large enough to make it difficult to distinguish individual points. 

Clustering is represented by a colored circle and a number. The number in the center indicates how many points fall under the area the cluster represents. On a color scale of yellow to red, the more red a cluster becomes the higher the number of points the cluster represents. If you mouse-over the cluster you will see it surrounded by a polygon showing the area range to which the cluster applies.

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Since clustering is an automatic process governed by underlying determinations of our platform, it can only be somewhat influenced by changing the number of points plotted in the same populated area the zoom level displays or changing the zoom level.

You can also create custom map icons to use instead of points on point maps. We suggest that when doing so, you use 32x32 pixel images.  

Boundary Map 

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The boundary map requires some additional decision making in terms of options presented. In selecting the plot style to be 'Boundary', users will need to select what region they want to plot boundaries for:

 

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