Nice! Here’s my own nyc app :) to find restrooms and wifi and water fountains, etc. https://nyfriend.net/
It said I clicked on water a few times when I had not... Maybe it was a canal? Very cool.
Fun concept, but odd choice to include NJ as part of NYC while leaving out the Bronx and most of Queens & BK
This is really cool! This is inspiring me to build something similar for Chicago
You might want to use https://www.nytimes.com/interactive/2023/upshot/extremely-de... as a reference. Some of the polygons were a little off