Plotly dash with multiprocessing queue

[jinnyzor]

Hello @alejandrosando,

What you could do, is first, see if using px.scatter will work quicker than trying to convert those columns to numpy arrays each time.

If that doesnt speed you up enough, you could pass the data separately and then use a clientside callback to update that end.

Something like this may help you:

Updating plotly express imshow data in clientside callback

Hello all, I’m trying to set up a plot that displays an image, and the contents of this image should be updated fairly often (some 10 frames per second or so). At the moment I have this minimum working example, which uses only serverside callbacks: from dash import Dash, dcc, html from dash.dependencies import Input, Output, State import plotly.graph_objects as go import plotly.express as px import numpy as np app = Dash(__name__) figsize = 100 buffersize = 5 buffer = np.random.random(size=(…