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May 05
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LiDAR Scan of London in LandXplorer

By GIS, LandXplorer, LiDAR, Virtual London

The movie below details a 1 meter resolution scan of London using LiDAR (an optical remote sensing technology that measures properties of scattered light to find range and/or other information of a distant target via laser pulses, Wiki). The ability to load in the entire scan of London – some 1,500 kmsq – is thanks to LandXplorer by Autodesk and we are impressed:

LiDAR Scan of London from digitalurban on Vimeo.


Autodesk LandXplorer offers a collection of functions to interactively compose, present, explore, analyze, and edit geodata-based 3D models. In a sense, they represent a content management system for 2D and 3D geoinformation, which supports the effective handling of geodata assets.

Take a look at http://www.3dgeo.de/products.aspx for more info, we will have more on the LiDAR scan of London in future posts.

Thanks go to Duncan Smith at CASA for doing the processing and Cities Revealed for the data supplied by Landmap.

May 05
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Visualising City Wide Data: London Retail and Office Space

By 3D Max, ArcScene, Data Visualisation, data visualization, London Office, London Retail

The movie below is a visualisation of office and retail space in London. Using data kindly supplied by the Economics Unit at the Greater London Authority, Duncan Smith a PhD student here at CASA has calculated the amount of retail and office in London per 500 metre grid square:

Duncan carried out the analysis in ESRI’s ArcScene as part of his PhD. Intriguingly it is possible to export from ArcScene into Autodesk’s 3D Studio Max allowing a much higher level of visual fidelity. Of course once it is in max you can then export to a number of other platforms, such as Unity as our previous post explained using the same data.

Here at CASA we have just completed the initial phase of our London database, as such we will be exploring more ways to visualise city based datasets in forthcoming posts.

May 05
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Augmented Reality for SketchUp: Now on the Mac

By Augmented Reality, Mac, SketchUp

We ran a post on ARMedia a while ago and now the Augmented Reality plugin for SketchUp is available for the Mac. The movie below sums up the possibilities:

If you are in the business of communicating designs to clients or setting up an exhibition space and need something that little bit different then augmented reality carries a large wow factor for very little effort.

You can download a free trial from http://www.inglobetechnologies.com/en/products/arplugin_su/info.php

May 03
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Tokyo Timelapse: Remanence

By City Timelapses, Tokyo

remanence : variance from Samuel Cockedey on Vimeo.


The timelapse above is by Samuel Cockedey – In Samuels own words the clip is entitled Remanence referring to:

a. The state of being remanent; continuance; permanence.
b. The magnetic flux remaining in a substance after the magnetizing force has been withdrawn.

Variance
a. A difference between what is expected and what actually occurs.
b. The number of thermodynamic variables, such as temperature and pressure, required to specify a state of equilibrium of a system, given by the phase rule.

The sequences were shot in Tokyo with Canon DSLRs (mostly a 350d), processed with Lightroom (raw files color adjustment and resizing)/VirtualDub (deshaker/deflicker filters)/Sony Vegas (editing). Original rendered in full 1080 HD@30p.

Music: “Is That What Everybody Wants” from Cliff Martinez’s soundtrack for Solaris.

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