GeezerVison is showing github.com — Serialization · Issue #451 · fastplotlib/fastplotlib
Description
After presenting notebooks with a thesis committee member today I realized that it would be useful to serialize plots to disk so I that I can quickly bring them back up when a Flatiron cluster node decides to end my session 😆 .
GSP is a WIP but I'm thinking of something much simpler, at least for now.
- Each
Graphic implements to_dict() and classmethod from_dict() that stores all the buffers necessary to create the appropriate geometry and material for that Graphic, this can probably be implemented via methods on corresponding GraphicFeatures.
- Apart from serializing Graphics, I think we just need to store the state of each
PlotArea, i.e. cameras, controllers, canvas size.
GridPlot holds info for the gridplot configuration and all subplots- For
ImageWidget we would need to store the entire 2D or 3D movie, so maybe ultimately store things to zarr instead of hdf5. 🤔
- classmethods on
Plot, GridPlot and ImageWidget?
- Somewhere in the output file store the type of plot that needs to be constructed and the fpl version it was created in. Have a helper function
fastplotlib.load_viz() that auto create the right type of plot
- No animation function support for now
I'll play around with this and note that it's very experimental.
Activity
kushalkolar commented on Apr 13, 2024
I just got an idea! We might be able to serialize animation functions and graphic feature callbacks if the objects within the scope of the callback are contained within the figure 🤔
Example:
line_graphic = figure[0, 0].add_line(sine, name="sine")
selector = line_graphic.add_linear_region_selector(selection=(0, 10))
hankel = linalg.hankel(sine[selector.selection()])
img_graphic = figure[1, 0].add_image(hankel, name="hankel")
def position_changed(ev):
data = ev.pick_info["selected_data"]
# figure is within the scope of figure, but `linalg` is not....
figure[1, 0]["hankel"].data = linalg.hankel(data)
should look into dill to get some ideas.
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