Returns
        -------
        str, the html file representation

def to_html(self):
        '''
        Returns
        -------
        str, the html file representation

        '''
        javascript_to_insert = '\n'.join([
            PackedDataUtils.full_content_of_javascript_files(),
            self.category_scatterplot_structure._visualization_data.to_javascript('getCategoryDataAndInfo'),
            self.category_scatterplot_structure.get_js_to_call_build_scatterplot(self.category_plot_interface),
            self.term_scatterplot_structure._visualization_data.to_javascript('getTermDataAndInfo'),
            self.term_scatterplot_structure.get_js_to_call_build_scatterplot(self.term_plot_interface),
        ])
        html_template = self._get_html_template()
        html_content = (
            html_template
                .replace('<!-- INSERT SCRIPT -->', javascript_to_insert, 1)
                .replace('<!--D3URL-->', self.d3_url_struct.get_d3_url(), 1)
                .replace('<!--D3SCALECHROMATIC-->', self.d3_url_struct.get_d3_scale_chromatic_url())
            # .replace('<!-- INSERT D3 -->', self._get_packaged_file_content('d3.min.js'), 1)
        )
        html_content = (html_content.replace('http://', self.protocol + '://'))
        if self.show_halo:
            axes_labels = self.category_projection.get_nearest_terms(
                num_terms=self.num_terms
            )
            for position, terms in axes_labels.items():
                html_content = html_content.replace('{%s}' % position, self._get_lexicon_html(terms))
        return html_content.replace('{width}', str(self.category_width)).replace('{height}', str(self.category_height))