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Thursday, December 15, 2016

The City of Helsinki: New Generation City Information Models for Helsinki


HELSINKI - Thursday, December 15th 2016 [ME NewsWire]
(BUSINESS WIRE)-- The City of Helsinki has commissioned two next-generation 3D city models: a smart, semantic city information model and a visually high-quality reality mesh model. These models are based on the most recent measurement, modelling and city information model methods developed over the past ten years. Helsinki is the first city in the world to simultaneously utilise both 3D city models. They are available as open data.
“The city information model is based on the open, global CityGML standard, and many open source code applications have been applied in the model work. This will bring benefits to tax-paying city inhabitants,” project manager, Mr Jarmo Suomisto from City of Helsinki emphasises.
The versatile models enable the calculation and visualisation of city analyses, for example on the possibilities of alternative energy sources, greenhouse gas emissions and the environmental impact of traffic. The models can also be applied to the needs of businesses, tourism, navigation, rescue authorities, telecommunication network construction, building management and regional planning.
Smart city information model and dimensionally accurate 3D model from aerial photographs
The database-based smart city information model is suitable for advanced city analyses, and the data content in the model can be enriched without limit. Helsinki is the first Nordic city that has created a semantic CityCML 3D model of its entire area.
The 3D reality mesh model has been produced from aerial photographs using computerised calculations. The model's advantage is its realistic nature. The reality mesh model is useful in online services. Helsinki is the first city in the world that makes the reality mesh model available for free use as open data.
Helsinki has twelve pilot projects where city information models are being utilized:
Helsinki’s solar energy potential is an analysis based on a semantic model in which the applicability of the roof and wall surfaces of all Helsinki’s buildings for solar energy production is being studied.
The additional use of service tunnel in the city centre is the object of a useful game application where one can get acquainted with the tunnel’s incoming routes and mobility inside the tunnel itself.
Open data:
The semantic CityGML model http://kartta.hel.fi/3d/
Reality mesh model: http://www.hri.fi/fi/dataset/helsingin-3d-kaupunkimalli
Reality mesh model
http://3d.hel.ninja/mesh/
www.hel.fi/3D – English     
Contacts
City of Helsinki
Jarmo Suomisto, Project Manager
tel. +358(0)505382645
jarmo.suomisto@hel.fi




Permalink: http://me-newswire.net/news/19234/en

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