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(PDF) Graphical ray tracing for conic surfaces
https://www.academia.edu/32907148/Graphical_ray_tracing_for_conic_surfaces
Graphical ray tracing for conic surfaces Alejandro Cornejo-Rodriguez and Alberto Cordero Davila Instituto Nacional de Astrofisica, Optica y Electronica, A. P. 216, Puebla, Pue, Mexico. ... thicknesses, and the trajectory of particular rays through an optical surface or system. The situation is straightforward for spherical surfaces,3 but for ...
Ray Tracing with Cones - York University
http://www.cs.yorku.ca/~amana/research/cones.pdf
ing, Shadowing, Texture, Visible Line/Surface Algorithms; General Terms: Algorithms Additional Keywords and Phrases:Ray Trac-ing, Anti-Aliasing Introduction Ray tracing is a very powerful yet simple approach to image synthesis. Though expensive computationally, it has generated some of the most realistic scenes to date [10, 13, 17]. It is
THE PULSAR Engineering
https://www.thepulsar.be/article/-devoptical-part-8--raytracing-101
One of the major jobs of raytracing software is to compute the interception position of a ray with a surface. The surfaces can be of any type but are usually smooth and described by analytical formulas although it is not an explicit requirement. 99% of the job also restrict to one surface type: the standard conic section: where z is the sag of ...
Comparison of Conic Ray Tracing for Occlusion …
https://scholar.afit.edu/cgi/viewcontent.cgi?article=5891&context=etd
the truth data was not available, the results from conic ray tracing were compared to a reference created by using true graphical ray tracing on a surface reconstruction of the original point cloud scenes. When compared to the reference, the conic ray tracing method averaged 0.81 accuracy over the eight cases studied, and the computational ...
L7 2012 OPTI517 Ray tracing - University of Arizona
https://wp.optics.arizona.edu/jsasian/wp-content/uploads/sites/33/2016/03/L7_OPTI517_Ray_tracing.pdf
Ray tracing universe Lens design ray-tracing. Prof. Jose Sasian ... Conic or aspheric intersection 3) Refraction, reflection, diffraction ... 1) Define field point 2) Generate loop that defines fan of rays through range of direction cosines. 3)Trace chief ray first, surface after surface through image plane 4) Save coordinates 5) Trace other ...
Modeling Software for Ray Tracing in Optically Large …
https://www.comsol.com/ray-optics-module
A flexible ray tracing algorithm allows the rays to propagate through both homogeneous and graded-index (GRIN) media. ... you can insert a spherical or conic mirror into the geometry sequence; specify whether the surface is concave or convex; enter its radius of curvature; and then specify the clear diameter, full diameter, and diameter of the ...
The Quest for Clarity: Tracing Rays in 3 Telescope Designs
https://www.comsol.com/blogs/the-quest-for-clarity-tracing-rays-in-3-telescope-designs/
The examples below present a ray trace using three wavelengths (486 nm, 546 nm, and 656 nm) at three field angles (0, 0.125, and 0.25 degrees). Left: Ray diagram for the Schmidt–Cassegrain telescope, showing the resulting ray trajectories. The Color Expression represents the ray positions on the image surface.
Optical and Ray Tracing Mathematics - arachnoid.com
https://arachnoid.com/OpticalRayTracer_technical/resources/opticalraytracer_technical.pdf
A note of explanation – In computer technology, ray tracing has two distinct meanings. In computer graphics, ray tracing produces very realistic images by processing each display picture element (pixel3) as a separate task – tracing the path of that location out into a virtual world where it interacts with various objects. In physics, ray
GPU-Based Ray-Casting of Quadratic Surfaces
http://reality.cs.ucl.ac.uk/projects/quadrics/pbg06.pdf
sualizations using all variants of ray-tracing, because com-puting ray-quadric intersections involves solving quadratic equations only. However, their efficient visualization in ... In parameter coordinates, the conic matrix defining the quadratic surface is a diagonal matrix. 3. Splatting of Quadratic Surfaces This section explains all steps ...
Measuring conic constant and vertex radius of fast …
https://www.sciencedirect.com/science/article/pii/S0030401815302662
A method for measuring conic constant and vertex radius of fast conic surfaces from Hartmann patterns obtained for different axial positions of the surface is proposed. For each pattern the evaluation of the surface is carried out through an exact ray tracing algorithm, including the vector form of the Law of Reflection.
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