Chart::Plotly::Trace::Splom::Hoverlabel - This attribute is one of the possible options for the trace splom.


version 0.041


 use Chart::Plotly qw(show_plot);
 use Chart::Plotly::Trace::Splom;
 use Data::Dataset::Classic::Iris;
 my $convert_array_to_arrayref = sub {[@_]};
 my $iris = Data::Dataset::Classic::Iris::get(as => 'Data::Table');
 my $data = $iris->group(['species'],[$iris->header], [$convert_array_to_arrayref, $convert_array_to_arrayref, $convert_array_to_arrayref, $convert_array_to_arrayref, $convert_array_to_arrayref], [map { join "", map {ucfirst} split /_/, $_ } $iris->header], 0 );
 my @data_to_plot;
 my $iterator = $data->iterator();
 while (my $row = $iterator->()) {
     my $dimensions = [
         map { { label => $_, values => $row->{$_} } } qw(SepalLength SepalWidth PetalLength PetalWidth)
     push @data_to_plot, Chart::Plotly::Trace::Splom->new(
         name => $row->{species},
         dimensions => $dimensions


This attribute is part of the possible options for the trace splom.

This file has been autogenerated from the official plotly.js source.

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Full reference:


This is an unofficial Plotly Perl module. Currently I'm not affiliated in any way with Plotly. But I think plotly.js is a great library and I want to use it with perl.



Serialize the trace to JSON. This method should be called only by JSON serializer.


  • align

    Sets the horizontal alignment of the text content within hover label box. Has an effect only if the hover label text spans more two or more lines

  • alignsrc

    Sets the source reference on for align .

  • bgcolor

    Sets the background color of the hover labels for this trace

  • bgcolorsrc

    Sets the source reference on for bgcolor .

  • bordercolor

    Sets the border color of the hover labels for this trace.

  • bordercolorsrc

    Sets the source reference on for bordercolor .

  • font

  • namelength

    Sets the default length (in number of characters) of the trace name in the hover labels for all traces. -1 shows the whole name regardless of length. 0-3 shows the first 0-3 characters, and an integer >3 will show the whole name if it is less than that many characters, but if it is longer, will truncate to `namelength - 3` characters and add an ellipsis.

  • namelengthsrc

    Sets the source reference on for namelength .


Pablo Rodríguez González <>


This software is Copyright (c) 2020 by Pablo Rodríguez González.

This is free software, licensed under:

  The MIT (X11) License