Re: [twdev] [TW5] Upcoming plugin for circular tree map diagrams

[Pit.W.]

Roland,

this has the makings of what I call a "Game changer"

Excitedly looking forward,

Pit

Am 2018-11-29 um 17:33 schrieb Roland Hadinger:

Hi everyone,

this isn't quite ready for public consumption yet, but based on Mike Bostock's really cool implementation of zoomable circular treemaps (on bl.ocks.org), I've been working on a widget that can generate and render diagrams like the following one:

(Screen recording of the same diagram in action).

The motivation behind this is to have dynamically generated diagrams which can provide a "bird's eye view" on larger hierarchies of tiddlers inside a TiddlyWiki.

The diagrams display hierarchies as layouts of nested circles. These hierarchies are automatically discovered by recursively following TW links or tags, starting from a root tiddler. Usually, leaf nodes in circular treemaps are different in their size, which can be used to visualize some tiddler properties, like a tiddler's character count, or the number of links, number of backlinks, or number of tags each tiddler has. The leaf node size can also be a uniform value for all circles.

There are a few remaining problems, though. The diagrams currently won't always update when a new tiddler is created and should show up, but I think this can be fixed. Also, the tree builder should be a reusable component, so instead of one plugin this should be split up into two dependent plugins, one for the diagram widget, and one for the tree builder. Unfortunately, there's also a small amount of code that is common to both components, and I have no good idea how to not duplicate these parts.

If anyone feels inclined to try this out, here's an expiring link: http://viewtransform.net/d3trees/d3trees-preview.html. I'll leave this up for a few days.

Best wishes,

-- Roland

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[nicolas...@gmail.com]

Roland, 

I'm really impressed by your work. I don't know if you were influenced by mine or not (see http://archipel.tiddlyspot.com), but it's definitely great to find somebody working on the same field and sharing the same vision.

Your coding skills look also much higher than mine (I just started one year ago), you have already solved some issues I could not.

The only difference in the application is that I want to classify each tiddler according to a  knowledge mature level (green orange red) and display this level in the D3 graph.

But I also have many many ideas on what to do with this concept and more generally by connecting D3 and TW. I would be very happy to discuss more with you on this topic.

Nicolas