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Pete Shirley's Graphics Blog: New type of plane tiling found
http://psgraphics.blogspot.com/2015/08/new-type-of-plane-tiling-found.html
Pete Shirley's Graphics Blog. Wednesday, August 12, 2015. New type of plane tiling found. A new plane tiling has been found! Note the roll of computers. From the link above:. But then the hunt went cold. Until last month, when Casey Mann, Jennifer McLoud and David Von Derau of the University of Washington Bothell announced last week that they had discovered this little beauty:. Subscribe to: Post Comments (Atom). Will you buy an Apple watch? My next phone will be a:. When will most games be ray traced?
Pete Shirley's Graphics Blog: Testing near Brewster's angle
http://psgraphics.blogspot.com/2015/07/testing-near-brewsters-angle.html
Pete Shirley's Graphics Blog. Wednesday, July 29, 2015. Testing near Brewster's angle. Yesterday's picture had specular reflections that were way off. I tried a bunch of tests on my Fresnel equations and they seemed ok. I tried Brewster's Angle. For the glass and this found one big problem: my model! Note that with LCD screens, no polarizers are needed to see Brewster's angle in action! Here's two photographs of the iPad at Brewster's Angle:. So more complete testing tomorrow. Will you buy an Apple watch?
Pete Shirley's Graphics Blog: December 2014
http://psgraphics.blogspot.com/2014_12_01_archive.html
Pete Shirley's Graphics Blog. Wednesday, December 17, 2014. Winner of U of Utah Ray Tracing class image contest. Yesterday I attended Cem Yuksel's end of semester image contest. From his ray tracing class. The images were all very impressive (it's clearly a good class. see the link above) and the winner (by Laura Lediaev) I found so impressive I asked her if I could post it here. Here's her description:. Tuesday, December 16, 2014. Cool website using hex color. Monday, December 8, 2014. I think I found a...
Pete Shirley's Graphics Blog: Yet another renderer validation experiment
http://psgraphics.blogspot.com/2015/07/yet-another-renderer-validation.html
Pete Shirley's Graphics Blog. Thursday, July 30, 2015. Yet another renderer validation experiment. Now that I have polarization orientation on the iPad right I did another crude experiment. Left: photo, Right:rendering. Question: what is the best BRDF model for materials such as glossy paint? My first impulse is to go use the Disney model, but I bet there is something specific for architectural materials that is used in practice these days? And check your website worth worth my websites.
Pete Shirley's Graphics Blog: January 2015
http://psgraphics.blogspot.com/2015_01_01_archive.html
Pete Shirley's Graphics Blog. Saturday, January 31, 2015. Lighting effects on Instagram. I'm teaching intro graphics as an Adjunct at Westminster College. This semester and am gathering photos of lighting effects to show in class. I am also going to start some marketing for our photo apps on their own Instagram feeds, so I thought I would use the graphics project to get some Instagram experience so I am using my personal Instagram account. Friday, January 23, 2015. Subscribe to: Posts (Atom).
Pete Shirley's Graphics Blog: March 2015
http://psgraphics.blogspot.com/2015_03_01_archive.html
Pete Shirley's Graphics Blog. Friday, March 27, 2015. Easy distribution ray tracer. I am having my graphics class at Westminster College. Not a new job- I am teaching a course for them as an adjunct- so go buy my apps! Turn their Whitted-style ray tracer. Into a distribution ray tracer. Suppose we have a basic ray tracer where we send a shadow and reflection ray. The basic code (where rgb colors geometric vectors are vec3) will look like:. Vec3 rayColor(ray r, int depth) {. Ray s(p, reflect(r, N). That r...
Pete Shirley's Graphics Blog: Fresnel Equations
http://psgraphics.blogspot.com/2015/08/fresnel-equations.html
Pete Shirley's Graphics Blog. Thursday, August 6, 2015. When I tried to do a slightly more careful Brewster's angle test last week it quickly became apparent my reflectances were wrong. After a long painful bug hunt, it turns out that I had the polarization components (parallel and perpendicular) reversed the the Fresnel code. This is probably the most painful bit of code if you are used to using the Schlick approximation. Which I am), so it's not surprising it was the culprit. My next phone will be a:.
Pete Shirley's Graphics Blog: June 2015
http://psgraphics.blogspot.com/2015_06_01_archive.html
Pete Shirley's Graphics Blog. Tuesday, June 30, 2015. A new iOS photo app: Subjective. We have a new iOS photo app. Out that combines some features of our previous apps. The basic idea we have been pursuing for a while is based on the subjective refraction test. From optometry where a person uses their own judgment for which of a set of things is better. A/B testing. Is a more randomized version of this basic idea. It shows the image being edited as a background:. Now three screens of choose best of 4:.
Pete Shirley's Graphics Blog: Is copy and paste a net time saver?
http://psgraphics.blogspot.com/2015/07/is-copy-and-paste-net-time-saver.html
Pete Shirley's Graphics Blog. Friday, July 31, 2015. Is copy and paste a net time saver? Many programmers have advocated disabling copy and paste because the resulting errors can be so painful. That indeed was the source of this lack of total internal reflection in the little cube from an earlier post:. The photo on the left has a strong internal reflection at the bottom of the cube. Subscribe to: Post Comments (Atom). Will you buy an Apple watch? My next phone will be a:. Testing near Brewsters angle.
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TELL THE FBI EVERYTHING YOU KNOW MELISSA!! PLEASE!!!!!!!!!!! SAVE AKRON AND YOURSELF!!!
KEEP YOUR MOUTH SHUT MELISSA! Don't you dare read this. And don't you dare read this. There's plenty more too but DO NOT READ IT! Good thing the ABJ won't cover this at all and no one in Akron will read about the FBI investigating her! I hope they don't see those payments Cordray made to her right before a trip we took together either. We were slick. The Summit Dems paid Cordray, then Cordray paid Melissa the same amount and we went on a trip. CHUMPS! Don't you dare look up anything about Melissa!
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donplz (Donatello is Awesome) - DeviantArt
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Don P Music
Tuesday, January 8, 2013. Behind The Scenes ATL.wmv. Don P Official Music Video. Don P "Both Sides" (Official Video). Subscribe to: Posts (Atom). Behind The Scenes ATL.wmv. Don P Official Music Video. Don P Both Sides (Official Video). View my complete profile. Awesome Inc. template. Powered by Blogger.
Music, Songs and Melodies of The World
Music, Songs and Melodies of The World. Monday, October 14, 2013. Ayiti madan marye m. Tuesday, February 22, 2011. Greetings to all. I'm very grateful to announce my new site. In this site you will read and see all about Music and Entertainment itself. For the first entry I give you my new promotional video,. Subscribe to: Posts (Atom). Ayiti madan marye m. View my complete profile. Awesome Inc. template. Template images by timhughes.
Don Png - ERA REALTY NETWORK PTE LTD - www.donpng.com
Don Png Associate Division Director, ERA REALTY NETWORK PTE LTD. 90 Bedok North Street 4. Bedok North Street 4. The Ford @ Holland. S$ 4,800 / month. S$ 1,900,000. S$ 6,000 / month. Five on Shenton (V on Shenton). S$ 2,900 / month. Five on Shenton (V on Shenton). S$ 5,800 / month. S$ 3,200 / month. S$ 1,280,000. ERA REALTY NETWORK PTE LTD. CEA Licence No.:. I am looking to buy a Property. I am looking to sell a Property. I am looking to rent a Property. I am looking to let a Property.
Don Northup Photos, Art and Musings | Stock Images and Fine Art Prints
Don Northup Photos, Art and Musings. Stock Images and Fine Art Prints.