Hi Kamal,
You might find these two links useful

https://www.mail-archive.com/kwant-discuss@kwant-project.org/msg00075.html

http://nbviewer.jupyter.org/github/samlagasse/LaGasse_QT/blob/master/QHE_currentdensity.ipynb

Best,
Sumit


This message and its contents, including attachments are intended solely for the original recipient. If you are not the intended recipient or have received this message in error, please notify me immediately and delete this message from your computer system. Any unauthorized use or distribution is prohibited. Please consider the environment before printing this email.