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On this page
  • How to Use
  • Open GeoJSON Map Extension Dialog
  • Find GeoJSON Map in Extensions Dialog inside Exploratory
  • Choosing a Key Property from GeoJSON
  • Mapping between GeoJSON’s key property and your data
  • How to Create My GeoJSON?
  • Column Assignments
  • Highlight
  • Category
  • Limit Values
  • Custom Function
  • Show Detail
  • Save as an Image

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  1. Visualization
  2. Types

Map - Extension

PreviousMap - StandardNextMap - Long/Lat

Last updated 2 years ago

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How to Use

Open GeoJSON Map Extension Dialog

In Viz view, you can click ‘Setup’ button after selecting ‘Map — GeoJSON’ chart type.

Find GeoJSON Map in Extensions Dialog inside Exploratory

Once you find the one you like, you can click ‘Install’ button, and now you are ready to start using it under Viz tab.

Once you find the one you like, you can click ‘Install’ button, and now you are ready to start using it under Viz tab.

Choosing a Key Property from GeoJSON

Each GeoJSON file provides a list of the properties that you can use to map with your data the way it works the best.

Mapping between GeoJSON’s key property and your data

The example below, I’m using ISO standard country codes found in the data and map them with ‘ISO_A2’ property of World Map GeoJSON.

How to Create My GeoJSON?

Here's how you can create your own GeoJSON files from existing ESRI Shapefile or other formats using R.

Column Assignments

  • Area Type - Select the area type you want to use.

  • Key Property - Select the key property that you wan to use in the selected area type.

  • Key Column - Assign a column that has the values to bind the key property values.

  • Label - Assign a column you want to show in the balloon help that you see when you hover circles on the map.

Highlight

Category

Limit Values

Custom Function

Show Detail

Save as an Image

Color By - Assign a column for color. If you assign a categorical column, it will be also used as a groupby column. Take a look at section for more details.

You can change the color of the specific reigons that you pick to stand out from others. It is available only when you assgin a categorical column to color. See for the detail.

You can categorize numeric values inside the chart. See for the detail.

You can use Limit Values to filter the categories by the aggregated values. See for the detail.

You can use the Custom Function feature to define your own aggregation function. See for the detail.

You can show the detailed data underlying the chart by clicking the chart figure. See for the detail.

You can save the chart as an image file. See for more details.

Creating GeoJSON out of Shapefile in R
Color
Highlight
Category(Binning)
Limit Values
Custom Function
Show Detail
Save as PNG/SVG