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London Timelapse: Aircraft and Smoke

By City Timelapses, london timelapse, Timelapse


London Timelapse: Aircraft and Smoke from digitalurban on Vimeo.

The timelapse above was captured on April 26th 2009 – note the advertising plane circling the London skyline and the fire that breaks out half way through the movie. Music by Fragile ‘Float on Clouds’ over at unsigned bands.


Captured using a Quickcam 9000 mounted in a torch casing you can create your own using our simple to follow tutorial.

Download Urban Modelling: Algorithms, Calibrations, Predictions

By Algorithms, Calibrations, complex systems, Predictions, Urban Modelling

Prof Mike Batty of CASA – home of digital urban – has made his book “Urban Modelling: Algorithms, Calibrations, Predictions” which was published in 1976 freely available online.

The book covers a plethora of topics, introducing the reader to simulation models and the need for such methods. For example, “simulation methods are used to derive the behaviour of the system when the system is too complex to be modelled using the more direct analytic approach (Batty, 1976).”

Urban Modelling: Algorithms, Calibrations, Predictions provides a summary of the first generation of urban models referring to the key authors and models such as Lowry (1964) model and it successor including the Pittsburgh Time-Oriented Metropolitan Model (TOMM), the Projective Land Use Model (PLUM) for the San Francisco area, and a wide variety of Activity Allocation and Stocks-Activities models. The book presents how such models were mainly developed for practical planning situations through metropolitan planning agencies or consultants in North America and in several European cities. How at first, these models where developed with the aim of solving land-use and transportation questions, later being employed to address a wider range of urban problems.

You can download the book direct from here.

Reference:
Lowry, I.S. (1964), A Model of Metropolis, Rand Corporation, Santa Monica, CA.

Thanks go to gisagents.blogspot.com for the post…

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