Point map with clusters in DataLens On-premises

A point map with clusters differs from a regular point map in clustering adjacent points. On the map, a cluster looks like a donut chart with the number of points displayed in the center.

The behavior of points varies depending on the map scale:

• When scaling down, points merge into clusters.
• When scaling up, the distance between points increases and the cluster automatically splits into smaller clusters and/or individual points.

If the map has only one point in the selected scale, this point is not going to be clustered. In this case, instead of a donut chart, you will see a point just like in a regular point map.

Clustering on a map improves visualization when there is a large number of points. For example, if you want to show the location of all stores in a city on a map with clustering, points on the map will not overlap.

Wizard sectionsWizard sections

The following restrictions apply:

• The Point size, Tooltips, and Signatures sections only apply to individual points.
• You can only add a dimension to the Color section.

Wizard section	Description
Points with clusters (Geopoints)	Measure of the Geopoint type
Point size	Measure. Sets point size depending on the measure value.
Colors	Dimension. Sets cluster chart segmentation.
Labels	Measure. Displayed as text on a point. When used, point size control is blocked.
Tooltips	Dimension or measure. A tooltip that appears when you hover over a point. For String type fields, you can configure using basic Markdown in DataLens On-premises syntax: click the icon before the field name and enable Markdown.
Layer filters	Dimension or measure. Used as a filter for the current layer.
Filters	Dimension or measure. Used as a filter for the entire chart.

Creating a point map with clustersCreating a point map with clusters

1. Go to the DataLens home page.

2. In the left-hand panel, select Charts.

3. Click Create chart → Chart.

4. At the top left, click Select dataset and specify the dataset to visualize. If you do not have a dataset, create one.

5. Select Map for the chart type.

6. Select the Points with clusters (Geopoints) layer type.
7. Drag a dimension of the Geopoint type from the dataset to the layer type selection section.
8. Set the size of the points displayed on the point map. Drag a measure to the Point size section or click in the line with the section name.
9. Color the points on the map. Drag a dimension to the Color section.
10. Add tooltips to show the dimension and measure values when hovering over a point.

You can also:

• Add, rename, and delete a layer.
• Reorder the layers within a layer type.
• Apply a filter to the entire chart or one layer.

RecommendationsRecommendations

• Use color palettes corresponding to the goals and objectives of visualization.

Useful linksUseful links

• Creating a dashboard in DataLens On-premises
• Adding a chart to a dashboard in DataLens On-premises
• Adding a selector to a dashboard in DataLens On-premises