Do you anticipate this playing well with charts that have multiple Y values
for a given X value. For example, candlestick plotting
has recently landed in racket/plot. It would be great to be able to show
all of the values, or at least specify which of the open/high/low/close
values to display.
On Monday, January 29, 2018 at 1:09:42 AM UTC-10, Alex Harsanyi wrote:
> The racket plot package produces interactive snip% objects which allow
> zooming of the plot area. While this is a cool and sometimes useful
> feature, the functionality is hard coded in the plot-snip% class inside the
> package. I would like to extend the package to allow the user to customize
> the interactive features of the plot -- most of the graphing packages for
> the web support the display of additional information when the user hovers
> the mouse over the plot.
> I have built a prototype implementation of adding interactive overlays to
> plot snips, as shown in the image below, and I would like to ask if there
> is interest in adding such a feature to the plot package distributed with
> At this point, the code is at a "proof of concept" stage, but ultimately,
> I will add interactive features to the plots in my application and they
> will be more complex than just showing the value of a function at a cursor
> location. As part of that experience, I will better understand what actual
> features I need, and hope to refine this interface. I am also looking for
> feedback, in particular if this would be the right approach for doing this.
> The prototype implementation is here:
> The code to generate the plot below is here:
> As it is implemented now, unless a "hover callback" is added to the plot
> snip, the snip behaves as before, allowing zoom and unzoom when the mouse
> is dragged over the plot area.
> Best Regards,
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