Yes, first appeared in 10..0DP2
https://livecode.com/livecode-10-dp-2-charts-guidelines-web-browser-widget-and-more/
Alex.
On 26/09/2022 22:26, Paul Dupuis via use-livecode wrote:
Yes, I see it in LC10.0.0dp4. It must be a new widget for LC10,
possibly only working in LC10 and not earlier versions?
Thank you for directing me to 10.
On 9/26/2022 5:11 PM, Mike Kerner via use-livecode wrote:
well, i learned something new.
i don't even see that widget in 9, but i do in 10.
On Mon, Sep 26, 2022 at 4:54 PM Alex Tweedly via use-livecode <
use-livecode@lists.runrev.com> wrote:
No, I mean the chart widget (chart - not charts, my mistake).
The graph (or linegraph) widget - com.livecode.widget.linegraph - does
simple line graphs only.
The chart widget - com.livecode.widget.chart - can do everything you
ever imagined a chart could do, and more. (*)
The Chart widget is a wrapper forChart.js v3.7.0
<https://www.chartjs.org>in LiveCode. It allows you to create
beautiful and highly customizable charts, in a simple way. Data can be
displayed as a line graph, bar chart, radar chart, donut/pie chart,
polar chart, bubble chart or scatter plot.
It really is wonderful - all kinds of charts, very fast, animations,
etc. The only drawback I've found so far is that doing time sequence or
date sequence charts needs some extra magic, and I don't know how to
find that magic.
Thanks for the suggestion of reading the .lcb; I probably couldn't have
made sense of it anyway - but there is no .lcb file for the chart
widget.
It's just my bad luck that all the charts I want to do are the kind
that
is beyond me :-)
Alex.
(*) not quite true, I don't think it can do the complex time + bubble
animations that Hans Rosling uses to such amazing effect -
https://singularityhub.com/2010/12/09/hans-rosling-shows-you-200-years-of-global-growth-in-4-minutes-video/
On 25/09/2022 23:21, Mike Kerner via use-livecode wrote:
do you mean the graph widget?
if that's what you mean, then...
sorry this isn't more helpful, but to get you started, the
graph.lcb file
is in Tools/Extensions/com.livecode.widget.linegraph, if you want
to try
reading through it.
it's only 1300 lines, total, including the docs. there is not that
much
going on.
there are no private properties that i can see.
On Sun, Sep 25, 2022 at 4:55 PM Alex Tweedly via use-livecode <
use-livecode@lists.runrev.com> wrote:
Anyone using this widget ?
Is there some documentation (other than the obvious dictionary
entries)
about how to do different kinds of chart ?
In the last 4-6 months, I've done 3 or 4 little personal projects
where
I wanted to create a chart, but I've not been able to figure out
how to
use the charts widget to do time-based charts.
What I mean is, e.g., create a chart for the following data ....
2022-02-01 100
2022-02-04 500
2022-02-05 525
2022-02-17 900
....
Obviously, the dates along the X-axis should be spaced properly
according to their data value, not equally spaced and simply
labelled.
Looking at the charts.js documentation, it tells me (or rather,
fails to
tell me, since I can't understand it) that I need to define an
'adapter'
and shows some sample javascript. I don't really understand how to
do it
simply in javascript - far less how I could use that in the widget.
Can anyone give me a clue or a pointer ?
Many thanks,
Alex.
P.S. currently I solved it using my own GraphMaker library (see LC
conference from 2018) - but I'd really like to retire that library in
favour of the new widget.
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