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canonical: en/visualization-ref/map-chart.html
title: Map in DataLens On-premises
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  In this tutorial, you will learn how to create and customize the map
  visualization type in DataLens On-premises.
vcsPath: en/visualization-ref/map-chart.md
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# Map <!-- diplodoc:svg ![](../_assets/datalens/heatmap.svg) --><svg xmlns="http://www.w3.org/2000/svg" width="25" height="25" viewBox="0 0 25 25"><path d="M15.494 15.004 14.51 17Zm105.001 0L121.5 17ZM68.507 50.997l.985 1.995ZM14.51 121.01l.984 1.994Zm106.99 0-1.005 1.994Zm0 0" style="fill-rule:nonzero;fill:#cbe3fc;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke:#cbe3fc;stroke-opacity:1;stroke-miterlimit:4" transform="scale(.18657 .18797)"/><path d="M0 0h134v133H0Zm18.006 14.007-2.01.997-2.994 3.99v100.997l1.005 2.016 4 1.995h101.002l1.989-.998 2.01-3.013V18.994L122.003 17l-2.994-2.992Zm0 0" style="fill-rule:nonzero;fill:#fff;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke:#fff;stroke-opacity:1;stroke-miterlimit:4" transform="scale(.18657 .18797)"/><path d="m19.995 21.01 61.996.499-9.484 22.485-52.512-20.99Zm70.999 0h25v73.98L69.01 76.995ZM20.498 32.003 65.493 50l3.517 2.493L56.008 86.99l-25.502-8.998-10.51-5.486ZM19.995 83 52.01 94.991l-8.02 22.007H19.996Zm44.995 1.995h3.517l47.487 19.015v12.49l-.503.498H52.993Zm0 0" style="fill-rule:nonzero;fill:#fff;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke:#fff;stroke-opacity:1;stroke-miterlimit:4" transform="scale(.18657 .18797)"/><path d="m18.509 14.007 66.497.498-66.497.5Zm74.998 0 24.497.498-24.497.5Zm28.998 4.987.503 78.512h-1.005Zm-103.515.998h63.504l.502 1.517-1.486-.5H20.498l-.503 1.497.503 1.496Zm72.507 0h25.502v76.017l-1.99-.52.985-.997V21.01H91.497l-1.005.997ZM13.505 28.99l.502 41.5h-1.005Zm5.988 2.016.502 42.497H18.99Zm53.997 11.99-.983 1.995ZM13.505 79.01l.502 39.485h-1.005Zm5.988 2.993.502 34.995 23.995.5-25 .498Zm97.003 22.007.503 13.986-64.99-.499 63.985-.499Zm6.009 1.995.503 12.49h-1.005ZM18.509 123.004l22.487.499-22.487.499Zm30.987 0 68.508.499-68.508.499Zm0 0" style="fill-rule:nonzero;fill:#55a6f7;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke:#55a6f7;stroke-opacity:1;stroke-miterlimit:4" transform="scale(.18657 .18797)"/><path d="M85.509 14.007c4.187-1.143 6.867-.81 7.998.997h25.983l2.513 2.494v80.008c1.863 1.184 2.198 3.865 1.005 8l-1.005.998v13.986l-2.513 2.514H49.496c-1.193 1.87-3.852 2.203-7.998.998l-1.005-.998H16.5l-2.492-2.514V79.51c-1.8-1.144-2.135-3.804-1.005-8.002l1.005-1.018V29.51c-1.8-1.144-2.135-3.804-1.005-8.001l1.005-4.011 2.492-2.494h68.005ZM18.99 19.992v3.013L73.01 44.99l9.986-22.984v-2.015Zm73.01 0L68.004 76.995l48.994 19.014V19.992ZM19.994 31.006 18.99 74.002l37.018 14.007 13.986-37.012ZM18.99 82.003v35.993h25l9.003-21.987Zm46 1.995-12.981 33.998h64.99V104.01l-46-19.015Zm0 0" style="fill-rule:nonzero;fill:#027bf3;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke:#027bf3;stroke-opacity:1;stroke-miterlimit:4" transform="scale(.18657 .18797)"/></svg> in DataLens On-premises

Maps are used for geoanalytics: displaying and analyzing business indicators on a map. 

### What you can see on maps

+ Population size and density.
+ Number of commercial facilities and their revenue.
+ Other measures potentially affecting business performance.

## Map layer types

* **Areas**
    
    A layer of this type represents entire areas or regions. The measure value is expressed through colors or hues.    
    By adding tooltips with region names and measures you can make the chart info easier to read.

* **Points**
    
     Points can represent individual objects, such as cities, stores, pickup points, or customer addresses.
     There are two ways to show the value: through point color and size.

* **Lines**
    
     Lines are used to show connections between objects on the map, such as airline flights or cargo transportation routes.

* **Heatmap**
    
    Shows the density of points on the map. This map type is useful for displaying large numbers of points and areas of their clustering.

    ![image](../_assets/datalens/visualization-ref/map/map.png =800x)

## What you need to know about maps

+ To create a map, add either coordinates with the [Geopoint](../dataset/data-types.md#geopoint) type or areas with the [Geopolygon](../dataset/data-types.md#geopolygon) type to the data source.

+ Use the **Center** and **Scale** [settings](../concepts/chart/settings.md#common-settings) to show a portion of the map.

+ A single map supports up to five layers of any visualization type. 

## Geolayers

**Map** chart layers are called _geolayers_. Geolayers are used to present measures as points or polygons.

### What you can do with geolayers

* Rename a layer.
* Set transparency using the slider.
* Reorder layers within the visualization type. 
    However, you cannot change the order of visualization types (top-to-bottom: point map, polyline map, chloropleth map, and heatmap).


{% note info %}

You cannot create maps in [QL charts](../concepts/chart/index.md#sql-charts).

{% endnote %}

<!-- source: en/_includes/datalens/visualization-ref/see-also-sub.md -->
#### Useful links {#see-also}

* [Creating a dashboard in DataLens On-premises](../operations/dashboard/create.md)
* [Adding a chart to a dashboard in DataLens On-premises](../operations/dashboard/add-chart.md)
* [Adding a selector to a dashboard in DataLens On-premises](../operations/dashboard/add-selector.md)
<!-- endsource: en/_includes/datalens/visualization-ref/see-also-sub.md -->