Plots.jl: Display images on hover

[juliohm]

We can edit the hover text by passing in the hover attribute to a plot. I wonder how difficult it is to display an image on hover instead of text?

This feature would be extremely useful to people working with projections of objects onto the plane. Each dot is usually associated to an object (e.g. hand-written character, photograph, 3D shape) and being able to interactively see what is the object using the mouse would be awesome.

[tbreloff]

Sounds cool. I have no idea how feasible it is!

On Sunday, July 24, 2016, Júlio Hoffimann Mendes [email protected]
wrote:

We can edit the hover text by passing in the hover attribute to a plot. I
wonder how difficult it is to display an image on hover instead of text?

This feature would be extremely useful to people working with projections
of objects onto the plane. Each dot is usually associated to an object
(e.g. hand-written character, photograph, 3D shape) and being able to
interactively see what is the object using the mouse would be awesome.

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[juliohm]

What about the simpler solution in which we have two subplots side by side: the point cloud in the left and the a placeholder for the current image in the right. Is there a way to interactively retrieve the index of the point under the mouse and display/update the image in the right subplot?

[tbreloff]

Again very cool. I highly doubt that this type of functionality will be built in to Plots. However what we'd really like is a generic way to register arbitrary callbacks on hover (not just "display some text"). This functionality will vary a ton between backends.

[juliohm]

Totally agree, having just a way of registering callbacks would allow users to do fancy stuff with Plots regardless of the backend.

[tbreloff]

@simondanisch has been hard at work. Start the hype train...

https://vimeo.com/180199787

[juliohm]

That is awesome!!! This is gonna be incredibly useful to my research @tbreloff , thank you very much!

How can I use it? Some documentation already available? I also noticed that Plots.jl dropped Julia v0.4, I need to update to Julia v0.5 soon just because of this feature now.

[tbreloff]

I have no idea how to use it! Only @simondanisch holds the keys.

On Friday, August 26, 2016, Júlio Hoffimann Mendes [email protected]
wrote:

That is awesome!!! This is gonna be incredibly useful to my research
@tbreloff https://github.com/tbreloff , thank you very much!

How can I use it? Some documentation already available? I also noticed
that Plots.jl dropped Julia v0.4, I need to update to Julia v0.5 soon just
because of this feature now.

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[juliohm]

He has the source code on the video, I just downloaded it, will try to play later when I get some work done in Julia v0.4. Unfortunately I cannot upgrade now because of other dependencies.

[juliohm]

What is the best current way to do this within Plots.jl?

[juliohm]

Closing this one as I think it will be part of Makie.jl