@stefraynaud, Better to draw with ax.gridlines (draw_labels = True)
When I use this code, I am introducing a tracing error. Because this code is for the Mercator projection. I hope to help fix this issue.
"# Label axes of a Mercator projection without degree symbols in the labels
fig.savefig('/tmp/data.png')I think blocks until the buffer is fully written to disk. To compare all of these cases you'll really need to read up a lot more about profiling all of these various libraries because all of them do different things under the hood that may be beneficial in certain ways, like blitting or re-using the same canvas. If you're writing to disk or just showing an in-memory representation.