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Munakata City in Japan’s Tottori Prefecture uses the i-Urban Renovation application built on Cesium to help residents access building data online.
Munakata City, Japan
Local governments across Japan collect data about buildings, including their use, number of floors, construction materials, and year of construction. Munakata City, located in the northern part of Fukuoka Prefecture, tasked their Urban Structure Visualization Promotion Organization to make this data available to the public in an easy-to-understand format.
Distribution of buildings in Munakata City. Building counts are aggregated into an area grid (1km grid) and displayed as a 3D mesh chart using mesh codes shown in Cesium. Since the grid is linked to location information and building counts, it’s a convenient demonstration tool when explaining local characteristics to residents.
The i-Urban Renovation app is built on CesiumJS for visualizing and sharing data. Even though Munakata City covers approximately 120 square kilometers filled with various buildings, the app efficiently streams building data using 3D Tiles.
Classifying buildings by use and comparing land use requirements. Users can also achieve similar functionality using Cesium Stories, which supports 3D Tiles styling.
Using the Cesium app, users can see the current status of any building. Buildings can be color-coded based on various metrics, including:
- Use, such as residential, commercial, government, agricultural, etc.
- Number of floors, making it easy to distinguish the distribution of high-rise and low-rise buildings.
- Construction materials, such as wood or reinforced concrete.
- Year of construction, showing the distribution of new and old buildings.
Additionally, users can examine the relationship between building use and land use regulations by combining the building dataset with the land use zoning dataset. When a user clicks on a building, detailed building attributes are displayed.
Viewing building usage. Click on individual buildings to see detailed data. We recently added feature picking to Cesium Stories to build your own solutions using Cesium Stories.
Visit i-Urban Renovation or the data encoding specification, or upload your own data to Cesium ion to easily generate your own Cesium Stream 3D Tiles.
Author: Sarah Chow
Original link: https://cesium.com/blog/2020/03/31/i-urban-renovation-visualizes-munakata/
Comment: Although this is still encouraging everyone to use Cesium ion, we can see that Cesium performs well in large-scale scenarios.
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Cesium Chinese Website: http://cesiumcn.org/ | China Fast Access: http://cesium.coinidea.com/