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Virtual Dictionary

Shadow Mapping

Shadow mapping, sometimes called projective shadowing, is a method of adding shadows to avatars and other objects in 3D environments. Unlike many methods of shadow generation, it does not use ray casting in the calculations. Instead, z buffer data is used. Since by this point in the render cycle, the z buffer has already been used to test for occlusion, the process makes use of data that has already been calculated and would just be thrown away anyway.

If a given pixel is in an area marked as occluded, relative to the light source rather than the viewpoint, it is in shadow, and is drawn as such.

Below, we offer a selection of links from our resource databases which may match this term.



Related Dictionary Entries for Shadow Mapping:

Shadow Mapping


 

Resources in our database matching the Term Shadow Mapping:

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Linked resource
A Closer Look At Parallax Occlusion Mapping
An in-depth Gamedev article, containing step by step coding advice for implementing parallax occlusion mapping to textures, such that the simulated heights can even self-occlude.



This book is an attempt to cross-reference the techniques of mapping and charting the physical world, with attempts to chart cyberspace. All of cyberspace, from individual virtual environments, through to the world wide web, as a single cohesive whole, a second world of many worlds, for others to explore, possessing the maps to do so.





Linked resource
Soft-Edged Shadows
A coder?s article about creating realistic, dynamic soft shadow in real-time interactive, and complex scenes.



Locally Hosted resource
Immersive Newscasting versus Actuality
A quote from "Otherland: City of golden shadow", talking about the probable confusion that could result from a realistic enough, surround news feed versus actual physical experience of a disaster.



Locally Hosted resource
Otherland: Is this a real place?
A lengthy quote from the book "Otherland: City of Golden Shadow", by Tad Williams, which sums up the dialectic between physical reality and virtual reality, in one of the most succinct and apt ways we have encountered.



Read this series for the twisting, evolving, many diverse threaded storyline, or read them for the wonderful imagery, and enchanting ideas for VR of the future. Whichever reason makes you pick up one of these, you are in for one hell of a ride!





Locally Hosted resource
Large Image Display: Toy Story: 1995's Cutting Edge
A look at the 1995 milestone movie Toy Story, and an interesting question is asked: Why are modern mainstream VRs only just coming out from the shadow of that world-quality, 14 years later?







Locally Hosted resource
Augmented Reality Mapping: Tokyo's Nameless Streets
Tokyo. Quite possibly, the birth place of the true sensor web. Birthing, right now.



 

Industry News containing the Term Shadow Mapping:

Results by page

(26/06/2010)
Google said Thursday it was assessing the impact of a new Chinese rule on web mapping services, which state media said could exclude foreign companies from providing such services in the country.

"China recently implemented ...


(23/12/2008)
In the lab of UCLA electrical engineering professor Aydogan Ozcan, a prototype cell phone has been constructed that is capable of monitoring the condition of HIV and malaria patients, as well as testing water quality in undeveloped areas or...


(11/03/2010)
The new bicycling directions available on Google Maps starting Wednesday supplement the guidance already provided to motorists and pedestrians. The biking directions initially will be available only for the United States.

Goo...


(16/01/2008)
(Press Release) LightWork Design, supplier of rendering solutions for developers of advanced 3D computer graphics software, today announced the release of a new version of LightWorks - LightWorks 7.8. The main focus of this release is to im...


(06/12/2009)
Google is set to launch a property dimension to its UK mapping system.

The new service will allow both estate agents and private sellers to put their property as an overlay on Google Maps.

The plans were outlin...