Visibility from Peaks - Where, and How Much
By Kenneth Wong in Web Application Data visualisation
February 1, 2021
How much of the city you can see from hills?
This project is an interactive 3d web map for viewers to explore where they can see from the peaks of Hong Kong. The web map calculate the visible area ( viewshed) from any point the user clicked on the map.
In addition, the user can select their own visible range when computing the viewshed so as to imitate the visible range during different weather. The current visibility are also available in the webpage for users’ reference (data provided by API of Hong Kong Observatory).

Compute and show viewshed on the web app

Explore viewshed area on the 3D map
- Posted on:
- February 1, 2021
- Length:
- 1 minute read, 109 words
- Categories:
- Web Application Data visualisation
- Tags:
- hugo-site