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Dendrogram Viz

Splunk Cloud
Overview
Details
Configurable dendrogram visualization built using D3. Supports dark-mode, and can layout horizontally, vertically or as a radial dendogram. These charts are useful to display hierarchical data.

Configurable dendrogram visualization built using D3. Supports dark-mode, and can layout horizontally, vertically or as a radial dendogram. These charts are useful to display hierarchical data.

Copyright (C) 2020 Chris Younger. I am a Splunk Professional Services consultant working for JDS Australia, in Brisbane Australia.

Source code | Questions, Bugs or Suggestions | My Splunk apps

Getting started

This app is not "visible" in the Splunk UI app menu. After installing the app, follow this process:
1. Do a search of any data and switch to the visualisation tab
2. In the top left, in the visualisastion menu, select "Dendrogram viz"
3. Open the "Format" menu then select "Help"
4. There will be a link to the in-app documentation, which includes working examples

Usage

This visualisation expects a table of data with specific field names. There are two main data formats, one with a column called "path" or a second format with fields "child" and "parent". Additional optional columns are listed below.

  • path - this column/field should be forward-slash delimited, but you can change the delimiter in the formatting options.
  • parent - this column/field is a unique name for this node's parent. it is optional.
  • child - this column/field is a unique name for the node.
  • color - a HTML color code or hex value to use for coloring the node
  • drilldown - when a user clicks a node, the contents of this drilldown field will be set in a token called $dendrogram_viz_drilldown$. See token section below.
  • tooltip - content to show on the tooltip when a user hovers the node
  • names - can be used to change node names. Should be the same 'depth' as the path.


Here is an example search that you can use with web data

index=web | stats count by uri_path | rename uri_path as path

Here is an example of how the "path" data format should look


Here is an example of how the "child/parent" data format should look


Tokens

When clicking a node, the following tokens will be set: $dendrogram_viz_path$, $dendrogram_viz_name$, $dendrogram_viz_name$ (see 'names' above) and $dendrogram_viz_drilldown$ (if drilldown column is provided in the data). Hit F12 to open the browser console, to see what tokens are being set.

Formatting options

Third party software

The following third-party libraries are used by this app. Thank you!

Release Notes

Version 1.1.5
Sept. 16, 2021

v1.1.5
* Now supports a second type of data format. Instead of using a column "path" you can instead specify rows with "child" and "parent" columns. Well suited to data like exists for a process tree.

v1.0.5
* Update internal jquery library for Splunk Cloud compatibility

v1.0.3
Added formatter options for setting colors
Merged PR from bowsemana that allows settings node names (Thanks!)
Fix bug when path token would sometimes be incorrect
Documentation updates.

Version 1.0.5
Sept. 2, 2021

v1.0.5
* Update internal jquery library for Splunk Cloud compatibility

v1.0.3
Added formatter options for setting colors
Merged PR from bowsemana that allows settings node names (Thanks!)
Fix bug when path token would sometimes be incorrect
Documentation updates.

Version 1.0.3
Oct. 17, 2020

v1.0.3
Added formatter options for setting colors
Merged PR from bowsemana that allows settings node names (Thanks!)
Fix bug when path token would sometimes be incorrect
Documentation updates.

Version 1.0.2
July 26, 2020

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