Lecture14

Lecture14 - Scope ASPRS/ 16November2010,Orlando,Florida,USA Arzultekin UniversityofZurich,Switzerland [email protected] Keit

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Virtual Globes or Virtual Geographical Reality: How much detail does a digital earth require? Arzu Çöltekin University of Zurich, Switzerland [email protected] Keith C. Clarke University of California, Santa Barbara, USA [email protected] ASPRS/AutoCarto 2010 Workshop 16 November 2010, Orlando, Florida, USA Virtual Globes or Virtual Geographical Reality … Scope word cloud created using wordle.net ESA il ustration “Space debris (not to scale, source: esa.int) Virtual Globes or Virtual Geo . . Top down “A multi resolution, three dimensional representation of the planet, into which we can embed vast quantities of geo referenced data.” – Al Gore “Citizens as sensors . .” ‐‐ M. Goodchild Virtual Globes or Virtual Geographical Reality: Bottom up Example: Google Earth and Google Maps
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modified image, photographer unknown Virtual Globes or Virtual Geographical Reality … Part I Outline Virtual and Augmented Reality Definitions Displays Human depth perception Usability Engineering and the HCI Perception and cognition Visual complexity and visual analytics Level of Detail Management and Cartographic Generalization Milgram et al. 1994. Image: creative commons Virtual and Augmented Reality Definitions “Cyberspace is real.” ‐‐ Barak Obama (2009) Definitions of reality and “virtuality” Physics vs. sensory experiences Virtual reality vs. virtual environments Virtual, augmented, real Continuum Geo VE jamstec.go.jp “A chair displayed in such a room would be good enough to sit in.” – Shuterland, 1965 No consensus on definitions: “mimic real life” Some technology driven, some human centered Gets philosophical quickly: what does real mean anyway? Virtual and Augmented Reality Definitions: VR Howard et al. 2009, Virtual Cocoon
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Ultimately all five senses should be stimulated Virtual Reality (VR) Virtual: “existing in essence or effect though not in actual fact” (wordnetweb.princeton.edu) Reality? Not always. Sometimes we simulate a scenario or add abstract information which does not exist in real world Æ hence the term: Virtual Environment (VE) Virtual and Augmented Reality Definitions: Virtual . . SMELLIT–smel printer Tokyo Institute of Tech Better than reality? Augmented reality? Augmentation: to enlarge, to increase, to grow, to intensify Animation vs. VR/VE? Interactivity is the key
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This note was uploaded on 12/28/2011 for the course GEOG 128 taught by Professor Staff during the Fall '08 term at UCSB.

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Lecture14 - Scope ASPRS/ 16November2010,Orlando,Florida,USA Arzultekin UniversityofZurich,Switzerland [email protected] Keit

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