Andrew,

This is quite beautiful! I haven't tried to work with it, but I can imagine 
many uses for such graphs. Thanks for taking the time to set up a sample 
site with so many examples!

If you have a tiddlyhost account, might you post a version there, so that 
this thread can offer a pointer that doesn't require a download? (Your 
wording suggests you expected the graphs could be "quickly seen" without 
downloading, but the dropbox link just yields the html file.)

-Springer
On Saturday, July 2, 2022 at 5:51:52 AM UTC-4 andrewg_oz wrote:

> I recently needed some way to get a line graph in one of my TiddlyWikis. I 
> found a plugin, but it didn't do a very good job. I thought it might be 
> possible to use Google Charts, but I had no idea how I might go about doing 
> that.
>
> A bit of searching located this post from last year:
>
> https://groups.google.com/g/tiddlywiki/c/kyfKmMGpZiQ/m/TeQNhDTNBQAJ
>
> This works, but has a lot of hard-coded stuff. I wanted something more 
> flexible.
>
> Using that post as the starting point, I've come up with a single macro 
> that uses separate tiddlers to hold the chart data. I have an example 
> TiddlyWiki on my Dropbox:
>
> https://www.dropbox.com/s/px91n007zzdp8df/GoogleCharts.html?dl=0
>
> All the magic is in the "GoogleChart" macro.
>
> You can quickly see the demo charts, but it will need to be downloaded to 
> see 'behind the scenes'.
>
> I got this far mostly by trying random tiddlywiki syntax until things 
> worked. I'm not familiar with macros at all. I'd welcome any feedback on 
> how I've done things.
>
> Apart from that - do whatever you like with it!
>
> Cheers,
> Andrew
>

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