scaling.x3d

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Test Transform scaling effect on Fog visibility. This world contains two Viewpoint nodes, residing in two seperate Transforms. One Viewpoint is contained in a Transform with a scale of 1 1 1. A second Viewpoint is contained in a Transform with a scale of (.01 .01 .01). Indicating the Text geometry associated with each Viewpoint places the viewer in that Viepoints local coordinate system. A single Fog node with a visibilityLimit of 40 meters, and Box geometry exist in the root Transform. Indicating the appropriate Text geometry with the pointing device moves the Viewpoint to either of the two Transforms local coordinate systems. As a result: indicating the left Text geometry places the Viewpoint at a distance of 20 meters from the Box, while indicating the right Text places the Viewpoint in a local coordinate system where the viewer is 2000 meters from the Box. Hence, indicating the left Text results in a half-fogged Box, while indicating the right Text renderes a fully-fogged Box.

 

X3D Scene   Metadata
archive   https://www.web3d.org/x3d/content/examples/ConformanceNist/BindableNodes/Fog
title   scaling.x3d
reference   http://www.nist.gov/vrml.html
reference   http://www.itl.nist.gov/div897/ctg/vrml/vrml.html
creator   http://www.itl.nist.gov/div897/ctg/vrml/members.html
disclaimer   This file was provided by the National Institute of Standards and Technology, and is part of the X3D Conformance Test Suite, available at http://www.nist.gov/vrml.html The information contained within this file is provided for use in establishing conformance to the ISO VRML97 Specification. Conformance to this test does not imply recommendation or endorsement by the National Institute of Standards and Technology (NIST). This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified.
reference   Original NIST Conformance Testing Group, https://www.itl.nist.gov/div897/ctg/vrml
reference   Interactive Conformance Testing for VRML, Mary Brady and Lynn Rosenthal, NIST, created 8 September 2010 and updated 25 August 2016, https://www.nist.gov/itl/ssd/information-systems-group/interactive-conformance-testing-vrml
info   Correct definition and compliance of this conformance scene is maintained by the X3D Working Group, https://www.web3d.org/working-groups/x3d
translator   Michael Kass NIST, Don Brutzman NPS
translated   21 January 2001
modified   28 August 2023
description   Test Transform scaling effect on Fog visibility. This world contains two Viewpoint nodes, residing in two seperate Transforms. One Viewpoint is contained in a Transform with a scale of 1 1 1. A second Viewpoint is contained in a Transform with a scale of (.01 .01 .01). Indicating the Text geometry associated with each Viewpoint places the viewer in that Viepoints local coordinate system. A single Fog node with a visibilityLimit of 40 meters, and Box geometry exist in the root Transform. Indicating the appropriate Text geometry with the pointing device moves the Viewpoint to either of the two Transforms local coordinate systems. As a result: indicating the left Text geometry places the Viewpoint at a distance of 20 meters from the Box, while indicating the right Text places the Viewpoint in a local coordinate system where the viewer is 2000 meters from the Box. Hence, indicating the left Text results in a half-fogged Box, while indicating the right Text renderes a fully-fogged Box.
identifier   https://www.web3d.org/x3d/content/examples/ConformanceNist/BindableNodes/Fog/scaling.x3d
generator   Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html
generator   X3D-Edit 4.0, https://savage.nps.edu/X3D-Edit
license   ../../license.html
 
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