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Overview

The Blazor TreeMap is a feature-rich component used to visualize both hierarchical and flat data. Customize the look and feel of the TreeMap by using built-in features like color mapping, legends, and label templates.


Leaf node

A Blazor TreeMap contains groups of data collections. Each group has one or more leaf nodes. Each leaf node is displayed as a rectangle, sized and colored according to values that you assign.

Blazor TreeMap is rendered with leaf nodes


Levels

Render any number of child items for each individual node in a TreeMap and they are categorized them to form levels.

Blazor TreeMap is rendered with multiple levels


Color mapping

Categorize the nodes by customizing their colors based on the underlying values.

Range color mapping is applied to the nodes in Blazor TreeMap

Range color mapping

Apply colors to the nodes by comparing their values with a desired numeric range. For example, colors can be applied to countries based on their population growth.

Equal color mapping is applied to the nodes in Blazor TreeMap

Equal color mapping

Use equal color mapping to differentiate an item’s fill based on its underlying value and color. For example, colors can be applied to states based on a winning candidate.

Desaturation color mapping is applied to the nodes in Blazor TreeMap

Desaturation color mapping

Apply colors to the nodes by comparing their values with desaturation color order. For example, transparent color can be applied to countries based on their population variation from higher to lower.


Data labels

Data labels in the Blazor TreeMap component are used to display more details about a particular item. Labels can be trimmed, hidden, or wrapped if the label width exceeds the item bounds.

Blazor TreeMap is rendered with data labels


Label template

Render any HTML element as a label for the nodes in the a TreeMap.

Blazor TreeMap is rendered with label template


Drill-down

Blazor TreeMap component provides support to drill the parent items to have a more detailed look at their child items.

Blazor TreeMap is rendered with drill-down


Legends

Use legends to add additional information for interpreting a TreeMap with various colors, shapes, or other identifiers. It provides two types of legends: default and interactive.

Blazor TreeMap is rendered with default legend

Default

A default legend contains swatches of symbols with descriptions to denote the categories of items.

Blazor TreeMap is rendered with an interactive legend

Interactive

An interactive legend is used to find the range of an underlying item’s value on mouse over.


Legend customization

Blazor TreeMap is rendered with modified legend positions

Legend Position

Position the legend to top, bottom, left, or right of the TreeMap.

Blazor TreeMap is rendered with modified shapes for legend items

Legend item shape

Change the legend item shape to a circle, rectangle, or another built-in custom shape to represent the items.


Layout types

Use different layouts types to view the child nodes in effective ways.

Blazor TreeMap is rendered with squarified layout type

Squarified

Visualize the data in the form of square-like rectangles with best aspect ratio in this layout.

Blazor TreeMap is rendered with auto slice and dice layout type

Auto slice and dice

Visualize the data in the form of long, thin rectangles that can be displayed either vertically or horizontally with high aspect ratio in this layout.

Blazor TreeMap is rendered with horizontal slice and dice layout type

Horizontal slice and dice horizontal

This layout creates rectangles with high aspect ratio and displays them horizontally.

Blazor TreeMap is rendered with vertical slice and dice layout type

Vertical slice and dice

This layout creates rectangles with high aspect ratio and displays them sorted vertically.


Tooltip

When the mouse hovers over the an item, the interactive Blazor TreeMap component displays details about the item’s values in a tooltip.

Display a tooltip on moving the mouse over the nodes in Blazor TreeMap


Selection and highlighting

Select a particular shape on mouse click and highlight on mouse over to bring it to the center of attraction over other items in the TreeMap.

A particular shape is selected in the rendered Blazor TreeMap


Title and subtitle

Add a title and subtitle to visualize additional information on a TreeMap. You can customize the font and alignment of the titles and subtitles.

Blazor TreeMap is rendered with title and subtitle


Appearance

Customize the look and feel of a TreeMap by changing the fill color, background, border, and opacity of the items.

Blazor TreeMap is rendered with customized nodes

Node customization

Change the fill color, background, border, and opacity of the nodes to customize the appearance.

Blazor TreeMap is rendered with gaps for nodes

Gap customization

Enhance the readability by customizing the gaps within the groups of leaf nodes.

Blazor TreeMap is rendered with a palette of colors for nodes

Palette

Built-in palettes with customizable options are available by default.


Right to left (RTL)

You can render the TreeMap elements like nodes, headers, labels, and legends in the right-to-left direction.

Blazor TreeMap is rendered with right-to-left format


Exporting

Export the TreeMap to a PDF document or in image formats such as SVG, PNG, and JPEG in client-side.

Export Blazor TreeMap illustration

Export

Exports the TreeMap to a PDF document or in image formats such as SVG, PNG, and JPEG in client-side.

Print Blazor TreeMap illustration

Print

Print the rendered TreeMap directly from the browser.


Touch and browser support

The interactive TreeMap component supports touch interactions.

Blazor TreeMap Touch illustration

Touch support

All the Blazor TreeMap features will work on touch devices with zero configuration. Use touch features such as tooltips, drill-down, selection, and highlighting without any customization.

Blazor TreeMap Responsive illustration

Responsive

You can view the Blazor TreeMap component on various devices. Hide specific elements in a TreeMap for particular screen sizes by making a very minimal change in the property binding.

Blazor TreeMap Cross browser illustration

Cross-browser support

You can render the Blazor TreeMap component in all modern browsers.


Blazor TreeMap Code Example

Easily get started with the Blazor TreeMap using a few simple lines of C# code example as demonstrated below. Also explore our Blazor TreeMap Example that shows you how to render and configure the TreeMap in Blazor.

@using Syncfusion.Blazor
@using Syncfusion.Blazor.TreeMap

<SfTreeMap DataSource="GrowthReport" WeightValuePath="GDP" TValue="Country">
</SfTreeMap>

@code {
public class Country
{
public string Name { get; set; }
public double GDP { get; set; }
}
public List<Country> GrowthReport = new List<Country> {
new Country {Name="United States", GDP=17946 },
new Country {Name="China", GDP=10866 },
new Country {Name="Japan", GDP=4123 },
new Country {Name="Germany", GDP=3355 },
new Country {Name="United Kingdom", GDP=2848 },
new Country {Name="France", GDP=2421 },
new Country {Name="India", GDP=2073 },
new Country {Name="Italy", GDP=1814 },
new Country {Name="Brazil", GDP=1774 },
new Country {Name="Canada", GDP=1550 }
};
}

Other supported frameworks

TreeMap is also available in JavaScript, Angular, React and Vue frameworks that are built from their own TypeScript libraries. Check out the different TreeMap platforms from the links below,




Blazor Components – 80+ UI and DataViz Components

Frequently Asked Questions

  • Visualize both hierarchical and flat collection data.
  • Drill-down the TreeMaps to get a clear look at each node in a huge collection of data.
  • Customize the look and feel of the TreeMaps by using built-in features like color mapping, legends, and label templates.
  • Customize the colors of the leaf nodes.
  • Define levels of various flat data and hierarchical data collections.
  • One of the best Blazor TreeMap in the market that offers feature-rich UI to interact with the software.
  • Simple configuration and API.
  • Supports all modern browsers.
  • Extensive demos, documentation and videos to learn quickly and get started with Blazor TreeMap.

We do not sell the Blazor TreeMap separately. It is only available for purchase as part of the Syncfusion Blazor suite, which contains over 80 native Blazor components, including the TreeMap. A single developer license for the Syncfusion Essential Studio for Blazor suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

You can find our Blazor TreeMap demo here.

No, our 80+ Blazor components, including TreeMap, are not sold individually, only as a single package. However, we have competitively priced the product so it only costs a little bit more than what some other vendors charge for their TreeMap alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 80+ Blazor components for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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