Kibana Coordinate Maps Better look & feel customizations

Elastic Stack Kibana
1

I need to show case case around 1TB data which contains (Lat/long) points into Kibana.

How to approach to customize the Kibana code ( We are planning to use Kibana 6.2.X)

Can you please help us on this requirement.

2

That's a very broad requirement. What exactly do you want to customise?

3

I wants to show 50L- 1 crore points in Co-Ordinate maps in Kibana to show better look & Feel and also we are looking for Map route paths in that points itself.