inline rendering svg

[t3ndai]

for example to get an svg output in pygal, I would do this

    chart = pygal.Line(disable_xml_declaration=True, x_label_rotation=45)
    return chart.render(is_unicode=True)

what's the equivalent in altair so I can get an svg embedded string, not a file that I can easily save to the db for output later ?

[cheak1974]

Very good question. I was about asking the same. I use PyGal and load the rendered svg output as embedded image to the background of div tags in my Web UI. There should be no need to write the image data to disk when you could keep it in memory instead.

I had a brief look into the code and found a render() function which returns a mimepackage. I haven't tried it yet, but maybe this is what we are searching for.

cheers

[jakevdp]

This will return an svg string:

import altair_saver
svg_string = altair_saver.save(chart, fmt='svg')

[joelostblom]

Since Altair 5.2, the functionality of Altair Saver is now available in Altair via the vl-convert package. Most of the functionality has been available since 5.0, and the main addition in 5.2 was PDF export. See the docs on how to save charts for more details.

We are going to archive this repo, so I'm closing all the open issues and PRs before doing so. Try out the new options for saving charts mentioned above and if you run into issues, please open an issue directly in the altair or vl-convert repo.