Remove all traces from plotly.js plot

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I have a page containing a plot.ly plot, that I want to write data to a few times, overwriting what was there before.

I can't find a way to remove all traces from my plotly.js plot, and just replotting adds the data without removing the old.

There's two ways of doing this, both listing in the plotlyjs function reference page.

Option 1 (tell plotly to delete the trace(s) in question):

Plotly.deleteTraces(graphDiv, 0);

where the second argument is the trace index of the trace to delete. Note that this second argument can also be an array of indices allowing you to delete multiple traces at once.

Option 2 (tell plotly to make a new plot with new data):

 Plotly.newPlot(graphDiv, data, layout);

where the arguments are the same as for Plotly.plot. This creates a new plot drawing only the data sent in the second argument. More precisely, Plotly.newPlot is idempotent whereas Plotly.plot isn't.

Function Reference | JavaScript, Sign up to stay in the loop with all things Plotly — from Dash Club to product updates, webinars, and more! Subscribe. Copyright © 2020 Plotly. All rights reserved. How to remove a trace from a plot in JavaScript with D3.js.

you can remove the last trace, and the previous one, and so one until the last one :

while(graphDiv.data.length>0)
{
      Plotly.deleteTraces(graphDiv, [0]);
}

Remove Trace from Plot | JavaScript, I don't know if this is a daft question but I wonder if there is a function to delete all traces from my chart, to revert it to an empty FigureWidget… Feature request here. It does not seem possible that all traces can be shown/hidden with one click event. In the case where there are many traces and I want to compare small portions, hiding all and then selecting only the ones I want is a much simpler workflow than what is currently possible (deselecting all the ones I don't want).

Cleaning up the chart is not enough, you must also cleanup the data too.

This is how I plot my scatter chart:

function tracciaGrafico() {
    data = [];
    trace = [];
    indexTrace = 0;

    // Cleanup only if not first start (else it is already clean, and this would raise an error):
    if (FirstStart) {
        FirstStart = false;
    } else { // Clear chart before plotting if it has already peing plotted.
        Plotly.deleteTraces('myDiv', clearData);
        clearData = [];
    }


    Squadre.forEach(function(squadra) {
        trace[indexTrace] = puntiSquadraCumulativi[squadra]; // Copy trace data from my source array
        data.push(
            {
                x: xArray, 
                y: puntiSquadraCumulativi[squadra], 
                type: "scatter", 
                name: squadra, // from "forEach"
                line: {width: 5}
            }
        ); // Add trace to data array
        clearData.push(indexTrace); // Add trace index to array I will use to clean the old chart
        indexTrace++;
    });
    Plotly.newPlot('myDiv', data); // Plot data
}

While building the chart I build an array (clearData) which then I can use to clear the chart: it just containing all the indexes of all the traces, and it is the argument of Plotly.deleteTraces('myDiv', clearData);

But maybe you actually don't want to delete traces but just update them:

https://plot.ly/javascript/plotlyjs-function-reference/#plotlyupdate

Plotly update data

High performance way to update graph with new data in Plotly?

Remove all traces - Plotly.py, Unfold All. 13. 1. <body onload="plotGraph()">. 2. 3. <div id="myDiv" style="width:​400px;height:400px;"></div>. 4. ​. 5. <div id="delete" style="margin-left:80px;">. This function has comparable performance to Plotly.react and is faster than redrawing the whole plot with Plotly.newPlot. This allows you to reorder traces in an existing graphDiv. This will change the ordering of the layering and the legend. All traces defined in graphDiv are ordered in an array. They are drawn one by one from first to last.

Newplot, Purge + newplot, react, and delete traces are all not working. There needs to be a better "clear" function supported directly from plotly

Remove Trace from Existing Plot with Plotly.js, As you can see, the upper plot is being updated with Plotly#redraw while the lower Plotly.redraw delete all children of the plotDiv before its call to Plotly.plot . Gridlines duplication after adding and removing trace #1760. If you delete an axis, all your references to later axes need to change; It violates the idea of "simple things should be simple" - almost all plots have only one x axis, and making everyone put that axis into a list just because some other people will make multiple axes is annoying.

Plotly#redraw (1.20.4.min.js) appears to not clean up properly , : create a shallow copy of all traces in the plot and the layout, but create a new divid. API functions¶. All exported functions from the plotly.js API have been exposed  Plotly JavaScript Open Source Graphing Library. Built on top of d3.js and stack.gl, Plotly.js is a high-level, declarative charting library. plotly.js ships with over 40 chart types, including 3D charts, statistical graphs, and SVG maps. plotly.js is free and open source and you can view the source, report issues or contribute on GitHub.

Working with plots - PlotlyJS.jl, i have page containing plot.ly plot, want write data few times, overwriting there before. i can't find way remove traces plotly.js plot, , replotting  How to delete plotly graphs in python. Now if you visit the url, the plot won't be there. However, at this point, there is the option to restore the plot (i.e. move it out of trash and back to the organize folder) with the following request:

javascript - Remove all traces from plotly.js plot -, Note: Currently, the Dakota GUI fully supports plotly.js integration on Windows You may not want to bother with the idea of multiple canvases or even multiple traces. Clear Canvas: This button will clear any data off the selected canvas,  All plotly.js logging is now turned off by default. Use Plotly.setPlotConfig({ logging: /* 1 or 2 */ }) to (1) display warnings only or (2) all logs [#590] Thorough mesh3d attribute descriptions [#593]

Comments
  • Thanks. I had seen deleteTraces, but I have a variable number of traces on the plot, so couldn't see an easy way to populate the trace index array. Also, I had tried newPlot in place of plot, but the traces are still being added, rather than replaced, and the plot title isn't updated. Does newPlot spawn a new plot, or remove all and add the new traces? Trying to work out what's going wrong
  • Regarding newPlot, there was a bug with it that affected call signatures that use a string id as the first argument. The updated version will be pushed soon. We apologize for the inconvenience. In the meantime, `Plotly.newPlot(document.getElementById('plot-id'), data, layout) should work.
  • That link is dead