Volcano plot should use canvas instead of SVG?

[alexlenail]

The volcano plot at present plots a scatterplot of ~26k points, which gives my 2016 MBP a ~4fps refresh rate. This is what canvas is for.

I've recently seen combo SVG / Canvas plots, where the canvas takes care of the many points, but the SVG is still used for the axes and the high-interaction components of the visualization. Perhaps something of the sort is appropriate here, or perhaps moving everything to canvas is more appropriate.

Links to get started with Canvas and D3:

• D3 and Canvas in 3 steps
• WORKING WITH D3.JS AND CANVAS: WHEN AND HOW