test_beamWidthsim2.x3d

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Test browser to set the beamWidth field to a range of values on a set of a simple geometry (sphere) Seven rows of spheres are drawn in the local coordinate system and a single SpotLight is defined at the center. The lights beamWidth is increased as the animation progesses. The animation is started by clicking on the text above the geometry. The cutOffAngle is set to 0.4 for for the light and is never changed. This should cause that only the area bounded by the beamWidth (as its value is increased) be illuminated at full intensity. The area between the cutOffAngle and the beamWidth will receive gradually less amount of light. The area of illumination shall never be higher than the one bounded by the cutOffAngle regardless of the beamWidth value. A browser may choose to ignore the bemWidth field.

 

X3D Scene   Metadata
archive   https://www.web3d.org/x3d/content/examples/ConformanceNist/Lights/SpotLight
title   test_beamWidthsim2.x3d
MovingImage   test-beamWidthsim2-movie.mpg
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   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 browser to set the beamWidth field to a range of values on a set of a simple geometry (sphere) Seven rows of spheres are drawn in the local coordinate system and a single SpotLight is defined at the center. The lights beamWidth is increased as the animation progesses. The animation is started by clicking on the text above the geometry. The cutOffAngle is set to 0.4 for for the light and is never changed. This should cause that only the area bounded by the beamWidth (as its value is increased) be illuminated at full intensity. The area between the cutOffAngle and the beamWidth will receive gradually less amount of light. The area of illumination shall never be higher than the one bounded by the cutOffAngle regardless of the beamWidth value. A browser may choose to ignore the bemWidth field.
identifier   https://www.web3d.org/x3d/content/examples/ConformanceNist/Lights/SpotLight/test_beamWidthsim2.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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