Virtual Displacement Mapping

Virtual displacement mapping is an alternate name for parallax mapping.

Parallax mapping is a system by which textures displayed on flat surfaces are give the illusion of 3D depth, extruding out into the viewpoint, and making the object they cover seem more real, shadows changing as the viewpoint moves round it.

3D displacement of surfaces is faked by means of displacing textures both by creating a height map of their protuberance from 3D space and then calculating the angle of that protuberance relative to the angle the observer is looking from.

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

Virtual Displacement Mapping

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3-D Modeling Advance: A single photo can be reconstructed into a 3-D scene
Building on the premise of Parallax mapping, in which 3D displacement of surfaces is faked by means of displacing textures both by creating a height map of their protuberance from 3D space and then calculating the angle of that protuberance relative to the angle the observer is looking, Microsoft and Make3D have created a process allowing a single photo to become a 3D scene.

Mapping cyberspace

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.

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.

Virtual Geographies: Bodies, Space and Relations

This tome, written long before the Metaverse Roadmap, was one of the first large works to discuss how virtual spaces create entirely new kinds of space, and require mapping constructs and methodologies utterly alien to what had come before.

Large Image Display: Animatrix: Beyond: The Matrix VR Map
This image is all about mapping, and more specifically how to preserve all necessary high level information in a virtual environment, in a cut down form, to allow easy oversight.

Spatial Representation of a Virtual World
How do you perceive space and spatial relationships between objects in a virtual environment. Rather easily if you are setting out to replicate the physical world. But that is too easy, it loses so many of the true advantages of VR, where space is irrelevant, and every room can be a TARDIS. This article looks at mapping that kind of a mess, beginning with text worlds, where such spatial irrelevancy is at its highest.

Mapping the physical World into the Virtual
Eventually maps became digital, and all manner of computerised versions sprung up. Yet, for all the centralisation, and innovation, one thing never changed: For all their promise, computer based maps look, and function exactly the same as their printed brethren.

Real-Time Feedback System for Skiers Opens Possibilities
The vLink Computer System approach to skiing is rather novel. It's a data collection sensor set that clips to the front of a pair of skis, and in real-time, monitor in real-time forward speed and lateral displacement data of the skis as the skier proceeds down a mountain.

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