Need to show a loader while zoom in/out and panning

[jifrivly]

Hi

We are using a huge data set with dygraph. there is a glitch while zooming and panning (A stuck for a few milliseconds or a second) So I have a requirement to show a loader at that time.

I have tried with drawCallback option, It works with small data set, glitch exists with huge data (takes time to trigger drawCallback)

I haven't found any such option available in the dygraph. Can someone help on how to achieve this?

[jifrivly]

I am thinking of a callback while selecting an area (mouse drag), double-clicking, shift dragging.