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Dash Vega Components #492

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questionFurther information is requested
@Harizliewzw

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@Harizliewzw

Altair is another popular visualisation tool that have been added as part of Dash Components.

See: (https://dash.plotly.com/dash-vega-components)

Following the example in the url above with slight modification to use DjangoDash instead of Dash:

import altair as altfrom dash import Dash, Input, Output, callback, dcc, htmlfrom vega_datasets import dataimport dash_bootstrap_components as dbcfrom django_plotly_dash import DjangoDashimport dash_vega_components as dvcapp = DjangoDash('AltairExample', external_stylesheets=["https://codepen.io/chriddyp/pen/bWLwgP.css"])app.layout = html.Div(    [        html.H1("Altair Chart"),        dcc.Dropdown(["All", "USA", "Europe", "Japan"], "All",),        # Optionally, you can pass options to the Vega component.        # See https://github.com/vega/vega-embed#options for more details.        dvc.Vega(id="altair-chart2", opt={"renderer": "svg", "actions": False}),    ])@app.callback(Output("altair-chart2", "spec"), Input("origin-dropdown", "value"))def display_altair_chart(origin):    source = data.cars()    if origin != "All":        source = source[source["Origin"] == origin]    chart = (        alt.Chart(source)        .mark_circle(size=60)        .encode(            x="Horsepower",            y="Miles_per_Gallon",            color=alt.Color("Origin").scale(domain=["Europe", "Japan", "USA"]),            tooltip=["Name", "Origin", "Horsepower", "Miles_per_Gallon"],        )        .interactive()    )    return chart.to_dict()

.html example

{% extends 'base.html' %}{% load static %}{% block content %}    {% load plotly_dash %}        <div>        {% plotly_app name='AltairExample' ratio=1 %}    </div>    <br>{% endblock %}

The iframe does not render. Anyone has any luck with implementing altair with dash on django?

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