How to delete a particular trace from multiple traces in a graph_objects figure?

dataturnsmeon · November 24, 2022, 5:13am

Hi community,

How can I delete a particular trace from the figure? In fig.update_traces we can use the selector parameter to select the trace and modify it, however update_traces does not allow to delete the trace.

I found this thread where @empet suggested use of visible=False but my goal is to delete the trace completely and not just hide it as there will be multiple traces that can be added and removed in my Dash app.

Any help is appreciated, thanks!

AIMPED · November 24, 2022, 12:11pm

Hi @dataturnsmeon, I just deleted the corresponding list items (traces) in the past. To find the traces I want to delete, I use the name argument of the traces. An example here:

github.com

AIMPED/plotly_dash/blob/master/plotly_dash_maintain_trace_colors.py

import dash
from dash import Input, Output, State, html, dcc
import dash_bootstrap_components as dbc
import plotly.graph_objects as go
import pandas as pd


# class for extracting information from the plotly.graph_object Figure()
class TraceInfo:
    def __init__(self, figure):
        self.fig = figure
        self.traces = self.__traces()
        self.number = self.__len__()
        self.names = self.__trace_names()
        self.colors = self.__trace_colors()

    def __getitem__(self, index):
        return self.traces[index]

    def __len__(self):

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dataturnsmeon · November 25, 2022, 9:24am

Thank you @AIMPED !

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How to delete a particular trace from multiple traces in a graph_objects figure?

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