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10 MARCH 2013

CityViewAR: remembering Christchurch before 4 September 2010

"CityViewAR is a mobile Augmented Reality application that allows people to see how the city was before the earthquakes and building demolitions. Using an Android mobile phone people can walk around the city and see life–sized virtual models of what the buildings looked like on site before they were demolished, and see pictures and written information. Hundreds of 3D models of key city buildings have been made available from architect Jason Mill of ZNO, while the Christchurch City Council and Historic Places Trust have provided photographs and building histories.

CityViewAR is based on the HIT Lab NZ Android AR platform which uses the GPS and compass sensors of mobile phones to enable virtual information to be overlaid on live video of the real world. Android AR makes it easy for Android developers to build their own outdoor AR applications. The software was previously used for showing individual buildings, but this is the first time that it has been used to show dozens of buildings at once, and the first time in world that mobile phone AR has been used for earthquake reconstruction."

(HIT Lab NZ, 2011)

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CONTRIBUTOR

Simon Perkins
08 SEPTEMBER 2011

Visuo-spatial structuring of non-geographic data

"Maps, as metaphors of reality, may be seen as a natural extension of the organizing principle of human perception––albeit a facet restricted to the spatial percepts. The use of spatial metaphor to define relations between abstract objects or between real–world objects represented in an abstract, hypothetical, space, is so common in digital 'environments' or on the computer 'desktop' that it often goes unrecognized. Such metaphors are too many to be addressed by this paper, which restricts its survey to those commonly found in a cartographic context."

(John L. Old, 2002)

L. John Old (2002). "Information Cartography: Using GIS for visualizing nonspatial data", proceedings of the ESRI International Users Conference.

TAGS

abstract information spaces • abstract objectsabstractionCartesian • Cartesian coordinate system • cartographic metaphorcartographychart • computer desktop • conceptual spacecoordinate systemcyberspacedatadata visualisationdigital environments • document space • GISgraphic representationhuman perception • hypothetical • information cartographyinformation spaceinformation spacesmapmetaphormetaphors of reality • non-spatial data • orderingreal-world objectsrepresentationspacespatial • spatial data • spatial metaphor • structure information • visual representationvisualisation • visualising • visuo-spatial structuring of information

CONTRIBUTOR

Simon Perkins
21 FEBRUARY 2010

360 Panoramic Video Capture and Recording

"You have probably seen several times in the past, those immersive digital photographs in which you can easily look up and down and turn your vision all around in full 360° glory. The 360° panoramic new year's eve of 2003 in Times Square, New York, has been one of my first memorable favorites, as it captures so well the thousands of emotions and different people celebrating on the street at once.

But video technology is now surpassing even these spectacular capabilities, by delivering navigable 3D, immersive video which as good or better than the 360° navigable images you and I have seen until now.

Check this video out. Once it starts rolling, click and move your mouse in different directions. You will be surprised to see that you can now fully navigate also inside moving video images.

The visual impact is really quite shocking, especially if, this is the very first time you are in front of a 3D, immersive and fully navigable video.

This spectacular feat is achieved by utilizing eleven video streams arranged according in a geodesic fashion. By doing so it is possible to capture an almost complete spherical image; a high–resolution 360 degree view of surroundings that is seamlessly stitched together.

Immersive navigable 3D movies can integrate GIS coordinates and other metadata to create highly informative, educational or life–saving emergency and assistance video guides.

The company behind this impressive new media technology is Immersive Media Corp., based in Calgary, Canada. The company also owns the wholly–owned subsidiary Immersive Media Company, based in Portland, Oregon.

The dodecahedron, with its twelve symmetrical pentagonal facets, is the most natural geometric division of a sphere for immersive image capture. It offers symmetrical, standardized divisions of the sphere that make the most of the image produced by each lens, and produces even resolution in every direction, better blending of the images, and more even illumination of the overall scene.

Perfectly equal and parallel faces, edges and corner angles, and divisions according to the Golden Ratio: A/B=(A+B)/A

It is the most natural geometric division of a sphere for immersive video image capture. It produces:

The enormous number of pixels recorded enables the highest image quality in every direction. The result is consistent image resolution across the entire spherical frame, with photographic realism and full motion.

Over 100 million pixels per second are recorded, resulting in spherical frames of 2400x1200 pixels, 30 frames per second. With the Telemmersion System, software is not required to correct sub–standard image resolution.

Images may be viewed spherically using the IMViewer software for looking around, or in an overall panoramic sphere movie format utilizing standard video playback platforms such as Windows Media® Player or QuickTime®."

(Edited by: Luigi Canali De Rossi)

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TAGS

360 degree view360 degrees3D • Calgary • Canadadigital photographydodecahedrongeodesicGISgolden ratioimage captureimmersionimmersive • immersive image capture • Immersive Media Company • immersive photography • immersive video • IMViewer software • navigable 3D • navigable images • new media technology • New YorkOregonpanorama • panoramic sphere • photographic realismphotographyPortland (Oregon)QuickTimespectacle • spherical • stereoscopic • symmetrical • Telemmersion System • Times Squarevideo • video playback platforms • video technology • visual impact • Windows Media Player

CONTRIBUTOR

Suttana Keyuraphan
19 OCTOBER 2008

Information Aesthetics

"Information Aesthetics is designed and maintained by Andrew Vande Moere, a Senior Lecturer at the Design Lab (previously called the Key Centre of Design Computing and Cognition), at the Faculty of Architecture, Design and Planning of the University of Sydney, Australia. His research interests include data visualization and visual design (obviously), from normal screen–based interfaces over 'media architecture' to more explorative, artistic and wearable applications. His teaching comprises interaction design, physical/wearable computing and 3D real–time multimedia."

(Andrew Vande Moere)

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CONTRIBUTOR

Simon Perkins
21 JUNE 2005

Geosimulation: Automata-based Modelling Of Urban Phenomena

Paul M Torrens
Geosimulation is a catch–all phrase that can be used to represent a new wave of spatial simulation modelling that has come to the fore in very recent years. Besides traditional urban modelling and simulation, the intellectual roots of geosimulation derive from recent developments in computer science and geographic information science. The geosimulation approach draws together a diversity of theories and techniques, offering a unique perspective that traditional simulation has commonly lacked: a view of urban phenomena as a result of the collective dynamics of interacting objects, often represented at the scale of individual households, people, and units of real estate and at time–scales approaching "real time".

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TAGS

automatadata modellinggeographic information science • geosimulation • GIS • spatial simulation • Torrens • urban modelling
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