My name is Xuri Gong from PostGIS community. I am selected for Google Summer of Code(GSoC) 2018 and will be working on implementing geospatial data viewer in pgAdmin4 for PostGIS.
I find the related feature "Support map view for PostGIS query result sets" in this link:
It was added about 2 years ago with a short description. Now I am writing the software design documents and it will be really helpful if you could give me any suggestions. Below is the link of my proposal: