3D street art

The world's largest 3D painting is unveiled at Canary Wharf. Joe Hill's anamorphic pavement painting covers 1,160 square metres.


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Perspective and Italian gardens

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The renaissance idea of perspectival space was not confined to painting or architecture. As a means of expressing mathematical harmony and man's place in the natural world, it became an important concept in all of the spatial and visual arts, from marquetry to urban design. The role of perspective in the gardens of the Italian renaissance is touched upon by Monty Don in his current BBC television series. The second episode (broadcast on 22. April 2011) looks at the gardens of Florence and begins with Cosimo Medici's villa at Castello (c.1537), one of the earliest gardens where these ideas were explored. It is currently available on BBC iPlayer . If you miss that, there is an accompanying  DVD and book . A good starting point for a more detailed spatial analysis of these gardens is: P Van Der Ree et al (1992) - 'Italian Villas and Gardens', Prestel. Amazon link Villa Medici at Castello lunette (source: Wikimedia Commons) The continuing interest in perspective in the ...
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i3D - Head coupled perspective

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i3D is an iPhone and iPad app that demonstrates how a face tracking system can be used to create animated perspective views that adjust as you view the screen from different angles, creating a realistic illusion of 3D depth. The system creates a monocular view, using the front facing camera of the phone or tablet for facetracking. It does not rely on the accelerometer or gyroscope. There is potential for the system to be developed in conjunction with stereoscopic technology to create more sophisticated interactive perspective images. i3D has been developed by Jeremie Francone and Laurence Nigay at the Engineering Human-Computer Interaction (EHCI) Research Group of the Grenoble Infomatics Laboratory (LIG), University Joseph Fourier in Switzerland. The app can be downloaded from the Apple App Store here . Videos and further information about the project can be found on the EHCI website .
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How to use a camera lucida

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The camera lucida is generally considered to have been invented by the English chemist W. H. Wollaston in 1806-07, although there is some speculation that it is a reinvention of a device described by Kepler some 200 years earlier. The term camera lucida means 'light room' and it indicates that the device didn't require the darkened space that had been necessary for the earlier camera obscura. There is no projected image and it is based on very different optical principles. A camera lucida consists of a simple prism and lens that allow an artist to see the scene that they depicting superimposed over the paper that they are drawing on, so that they can simply trace around the image. The rest of the device comprises of a clamp and extendable arm, with which it can be securely fixed in position to one side of the artist's drawing board or sketch pad with the prism set at a convenient height. A French camera lucida or 'Chambre Claire Universelle', made by Breveté S.G...
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