Charts · Gutenberg

Chord Diagram block for WordPress

Circular diagram showing bidirectional relationships and flow volumes between groups. Great for migration patterns, trade flows, cross-referrals, and collaboration networks.

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Free Gutenberg block in Blockenberg. The inspector controls and front-end behavior on this page come from this block’s source, not a shared stub.

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What it actually does

Circular diagram showing bidirectional relationships and flow volumes between groups. Great for migration patterns, trade flows, cross-referrals, and collaboration networks.

Inspector panels on this block: Chart Settings, Groups, Relationship Matrix. Those titles come from index.js, not from a shared template.

Behavior controls: “Label Font Weight” options: Normal (400), Medium (500), Semi Bold (600), Bold (700), Extra Bold (800).

Chord Diagram has no render.php and no frontend.js. The saved Gutenberg HTML is what visitors see, plus Blockenberg layout/typography CSS.

Where to find it

Gutenberg inserter → Charts → search “Chord Diagram” (block name `blockenberg/chord-diagram` in block.json). Style it in the sidebar after insert.

How to use Chord Diagram block for WordPress

  1. Install Blockenberg. Install from WordPress.org and activate the plugin.
  2. Insert the block. Edit a page, click +, search for “Chord Diagram”, insert it. Category: Charts.
  3. Configure inspector controls that exist on this block. Open Chart Settings. Set “Chart Settings — Title”, “Show Title”, “Show Labels”, “Canvas Size”.
  4. Publish. Save the page. Output is the saved block HTML; typography/colors follow Blockenberg shared panels.

Inspector controls from this block’s code

ControlWhat the code does
Chart Settings — TitleText field in the inspector. block.json default: Cross-Department Collaboration. Saved as `title`.
Show TitleOn/off toggle in the inspector. On by default. Saved as `showTitle`.
Show LabelsOn/off toggle in the inspector. On by default. Saved as `showLabels`.
Canvas SizeNumeric range control in the inspector. Range 280–900. block.json default: 560. Saved as `svgSize`.
Arc ThicknessNumeric range control in the inspector. Range 8–60. block.json default: 22. Saved as `arcThickness`.
Arc Gap (°)Numeric range control in the inspector. Range 1–30. block.json default: 8. Saved as `arcGap`.
Chord Opacity %Numeric range control in the inspector. Range 10–95. block.json default: 55. Saved as `chordOpacity`.
Label Font SizeNumeric range control in the inspector. Range 9–22. block.json default: 13. Saved as `labelFontSize`.
Label Font WeightSelect control; the chosen value is saved on the block. Options: Normal (400); Medium (500); Semi Bold (600); Bold (700); Extra Bold (800). block.json default: 600. Saved as `labelFontWeight`.
Colors — BackgroundColor control in the inspector. block.json default: #ffffff. Saved as `bgColor`.
Title ColorColor control in the inspector. block.json default: #111827. Saved as `titleColor`.
LabelText field in the inspector. Saved as `groups`.

When this is the right block

Notes from the implementation

Static block: markup is saved in post content; no PHP render callback in this folder.

FAQ

How do I add the Chord Diagram block in WordPress?

Install Blockenberg from WordPress.org, edit a page in the block editor, click +, and search for “Chord Diagram”. It sits under Charts. After insert, open Chart Settings and set “Chart Settings — Title”, “Show Title”, “Show Labels”, “Canvas Size”.

What makes Chord Diagram different from other Blockenberg blocks?

Circular diagram showing bidirectional relationships and flow volumes between groups. Great for migration patterns, trade flows, cross-referrals, and collaboration networks. Inspector labels on this block include “Chart Settings — Title”, “Show Title”, “Show Labels”, “Canvas Size”.

Is the Chord Diagram Gutenberg block free?

Yes. Chord Diagram ships inside Blockenberg. Get the plugin from WordPress.org — no paid add-on is required for this block.

Can I style Chord Diagram to match my theme?

Yes. Blockenberg’s shared typography and color panels apply here, plus any block-specific style controls listed on this page (panels: Chart Settings, Groups, Relationship Matrix).

Related charts blocks

Get Blockenberg

Install Blockenberg from WordPress.org, then insert Chord Diagram from the Gutenberg inserter.

Get Blockenberg