Miscellaneous: projection, modelling, rendering

Information relating to hemispherical dome projection using a spherical mirror Also refered to as "mirrordome" and "sphemir", a techniqe invented by the author. warpplayer A real time movie warper that includes navigation modes that was originally designed for spherical mirror projection (mirrordome) but also supports many other movie projections that just fisheye.

warppatch A Quartz Composer patch that implements the warping of images and movie frames suitable for novel projection problems into immersive spaces, including the spherical mirror based methods.

Peppers ghost: prototype Stereoscopic dome projection Stereoscopic fisheye camera for PovRay Projection test: stereoscopic fisheye and iDome

Synthetic dynamic hologram An exercise in creating a full colour hologram of a synthetic object Wii + MacBook Pro + Dome Example using the Wii to navigate within an immersive environment

panodome: Interactive Dome Projection of Panoramic Images meshmapper - Calibration tool for dome projection using a spherical mirror and single projector. iSphere A proposed immersive environment. Wide field of view projection in a rectangular room

I don't want to achieve immortality through my work, I want to achieve immortality through not dying.
Woodey Allen

Image warping for projection onto a cylinder An interactive tool for evaluating projection options onto cylindrical displays Full dome projection with three digital projectors

Question. Why did the computer programmer die in the shower?
Answer. The instructions on the shampoo bottle read: "Lather, Rinse, Repeat"

Direct rendering of warped fisheye views for spherical mirror projection Image panels on a fisheye projection Various ways of mapping perspective projections on fisheye images

I broke up with a girl once because she lied about her weight. Well, I say that, but actually she died in a bungee-jumping accident.
Jimmy Carr

tgawarp: an image warper intended specifically for full dome projection using a spherical mirror. Astronomy applications: solar system simulator Notes on the use of Stellarium and the spherical mirror, and a comparison between fisheye images and optimally warped images.

Interactive fisheye image generation Multipass texture approach Geometry warping for realtime dome graphics

"The brain is an enchanted loom where millions of flashing shuttles weave a dissolving pattern.
A.S. Byatt

Multiwall and offaxis projection Including multiple wall displays using OpenGL and independent machines driving each wall. Implementation report. Image warping

The difference between a mountain and a molehill is your perspective.
Anon

Converting fisheye images to .... panoramic images, perspective projections, (partial) spherical maps. Angular fisheye projections Including offaxis fisheye projections

cube2dome: Creating fisheye images from cubic maps. Creating content for the SkyVision full dome projection (Historic Document) CubeRender (Historic Document) A technique for fast 3D viewing from a single view position

Converting cubic maps to cylindrical panoramic and spherical projection Testing various fisheye capture options Includes the Oneshot and Lomography still cameras and the Canon HV20 (with Nikon FC-E9 fisheye lens) for video capture.

A wise man can see more from a mountain than a fool from the bottom of a well.
Anon

Tilting and rotating fisheye images Compensating for dome orientation and or clipped fisheye lens capture. Creating fisheye projections from spherical maps and panoramic images

3D projection Transforming 3D world coordinates into 2D screen coordinates How do you play 8 Xbox games on one screen?

We must be clear that, when it comes to atoms, language can be used only as in poetry.
Niels Bohr

View Frustum and clipping Registration of HDR images.

Lens distortion Covering correction. Including an example on how to achieve general distortion in OpenGL. As well as Computer simulated lens distortion such as Fish eye lens, extreme perspective, panoramics, hemispherical, and 360 degree.

What's the difference between an oral thermometer and a rectal thermometer?
The taste.

Create side-by-side stereo pairs in the Unity game engine. Using QuickTime to Present Stereoscopic Movies Including an older OpenGL based stereoscopic movie player.

Stereoscopic panoramic images Computer generation and projection of stereoscopic 3D panoramic images, includes spherical, cylindrical, planar, and cubic stereoscopic maps. See also: 360 degree stereoscopic display Torque: modifications for stereoscopic projection and user tracking

Blue line, frame sequential stereo Pulfrich Illusion Binocular Imbalance and Depth Perception in Visual Display Systems. Lenticular Autostereoscopic (no glasses) lenticular images.

America is the only country where a significant proprotion of the population believes that professional wrestling isreal but the moon landing was faked.
David Letterman

STEREO2, A stereoscopic geometry viewer OpenGL based stereo pair slide viewer OpenGL based 3D surface graphing tool

Stereoscopic visualisation of time varying point fields Stereoscopic visualisation of time varying surfaces

Computers are useless. They can only give you answers.
Pablo Picasso

Calculating stereo pairs The correct way to calculate stereo pairs and how to create them using any raytracer (examples from POVRay), some principles for creating easy viewing stereo pairs/movies, and examples on how how to create stereo pairs in OpenGL. DepthQ projector Brief evaluation as a stereoscopic projection solution.

Project: Driving task simulator Filming in stereo, a practical case study Stereo pair photography The low cost way to photograph/film stereo pairs and how to manually creating stereo pairs from a photograph. Stereoscopic ghosting correction Camera frustums for 2 wall stereoscopic projection

ZScreen

Active

Passive

I can't smell mothballs. Because it is so hard to get their littlelegs apart.
Steve Martin

Data visualisation in crystal Experiments representing data using laser induced bubbles within crystal blocks. Additional cameras, most stereoscopic, for PovRay Currently: perspective (stereoscopic), stereoscopic cylindrical panorama, stereoscopic spherical, stereoscopic and offset fisheye.

Why do kamikaze pilots wear helmets? Smacks of indecision to me.
Sean Mea

Solar heater simulator PovRay for scientific illustration: diagrams to photorealism Computer generated sketching PVIEW: Real-time interactive visualisation for large point datasets

Visualisation of HPC queue statistics Representing star fields Simulated interaction between M31 and M32

Frustum clipping polygonal models for POVRay Contribution by Mark Sheeky: Bresenham line drawing algorithm in 3D or 2D, CLbresenham.cpp

The prolonged application of polysyllabic vocabulary infallibly exercises a deleterious influence on the fecundity of expression, rendering the ultimate tendancy apocryphal. Anon

Various POVRay examples Including: CSG modelling, bump maps, media, quality settings, texture billboarding, fog, lens types, QuickTime VR navigable objects Reconstructing temple engravings from stereo pairs

Field of view and focal length Changing to/from vertical/horizontal aperture

I was walking down the street when I saw a dead baby ghost on the road. On reflection it might have been a handkerchief.
Milton Jones

Mars - Renderings from the 1/128 degree dataset Online rendering of Mars - resulting image gallery

Mars in detail High resolution renderings of Mars at 1/32 degree resolution Various Mars datasets and renderings of same

I used to think that the brain was the greatest organ in the human body, then I realized,"Hey! Look what's telling me that!"
Emo Philips

Venus topology Initial topology reconstruction from the NASA datasets along with rendered examples using Terragen. Moon topology The topology of the Earths moon based upon the Clementine data.

Evaluation of VRML for delivering 3D data/visualisation Jerash amphitheatre

global_settings {max_trace_level 1000}
#declare a=sqrt(2);
#declare r=texture{
pigment{color<1,1,1>}finish{ambient 0 diffuse 1 reflection 1}}
camera{location x-y+z look_at<0,0,0>}
light_source{<-3,-3,-3>color<0,1,0>}
light_source{<-3, 3, 3>color<0,0,1>}
light_source{< 3, 3,-3>color<1,0,0>}
sphere{z-x-y,a texture{r}} sphere{x+y+z,a texture{r}}
sphere{y-x-z,a texture{r}} sphere{x-y-z,a texture{r}}

Rendering examples using cluster based distributed rendering Includes Spiral Vase, Waves, and Watersun by Dennis Miller, spacecraft hanger by Justin Watkins, Glass Cloud by Morgan Larch, Addict by Rob Richens, example by Stèfan Viljoen, examples by Gena Obukhov

Fun with mirrors The infinite room and how simple geometry (plane, sphere, cylinder) giving rise to complicated lighting structure.

Rendering Galaxy and Nebulae with 3DStudioMax 1. By Navpreet Singh 2. By Sivakumar Maniam, Suzan Hendrata, Rebecca Ng

Some people can read a musical score and in their minds hear the music.... Others can see, in their mind's eye, great beauty and structure in certain mathematical functions....Lesser folk, like me, need to hear music played and see numbers rendered to appreciate their structures.
Peter Schroeder

Rendering molecules for immersive environments Rendering of the 2dF data Survey revealing the 3D distribution of galaxies in the Universe. Technical report: Visualising the Universe Stuart Gill, C. Fluke, P. Bourke

If toast always land butter side down, and cats always land on their feet, what happens if you strap toast on the back of a cat and drop it?
Stephen Wright

Space mesh: Fabric of inner and outer space TRACE - rendering point fields meshviewer - textured mesh viewer

A picture is worth a million bytes.
PDB

Hardware accelerated volume rendering POVRay density (DF3) files Using POVRay as a volume renderer. Visualising images from a confocal microscope

Art, like morality, consists of drawing lines somewhere.
G.K. Chesterton

Depth of field blurring Simulating depth of field blurring using standard rendering packages. Wireframe images Generating wireframe renderings from pure rendering engines

To tell us that every species of thing is endowed with an occult specific quality by which it acts and produces manifest effects, is to tell us nothing. But to derive two of three general principles of motion from phenomena, and afterwards to tell us how the properties and actions of all corporeal things follow from these manifest principles would be a very great step.
Issac Newton

Precomputed, interactive 3D exploration Antialiasing in images and raytracing Modelling and rendering the Royal Exhibition Building, Melbourne

Before you criticize someone, you should walk a mile in their shoes. That way, when you criticize them you're a mile away and you have their shoes.
Jack Handey

Architectural visualisation examples Examples from RenderPark, BMRT (Palace by Jorge Angles), the Radiance cabin, the RayShade (Redentore by Nathan O'Brien)

The most important thing in the programming language is the name. A language will not succeed without a good name. I have recently invented a very good name and now I am looking for a suitable language.
D. E. Knuth, 1967

Saving images from OpenGL Distributed OpenGL AutoCAD to OpenGL

You may say I'm a hacker, But I'm not the only one
I hope someday you'll join us, And the world will code as one

Organising unstructured networks Solving systems defined by differential equations Fluid simulation, contributed by Peter Birtles. Particle and Spring example

Nothing is rich but the inexhaustible wealth of nature.
She shows us only surfaces, but she is a million fathoms deep.
Ralph Waldo Emerson

Approaches to modelling the surface of the Human Cortex Examples of various approaches using a number of datasets and derived images. Experiments in Rapid Prototyping (3D printing) Dangerous data - images from scientific visualisation

The construction itself is an art, its application to the world an evil parasite.
Luitzen Brouwer

Implicit Surfaces Description, mathematics, and examples of implicit surfaces, blobby molecules, metaballs, soft objects Computer representation, modelling and rendering of plant structures

The only thing that saves us from the bureaucracy is its inefficiency.

Modelling with spheres and cylinders Including facet approximation to a sphere and cylinder, rounded boxes, pipes, and modelling with spheres. Nearest neighbour interpolation

If you can explain it then you aren't experiencing it!
Sigmund Freud

tgs_interp : A utility to extend the animation capabilities of Terragen Supports stereoscopic view generation as well as cubic maps (Which can then be used for panoramic, fisheye, spherical projection generation).

Mountains should have holes in. To see the other side. By observing the view thru this aperture. Would save a considerable ride.
Spike Milligan

Asteroids Modelling asteroids, real and imagined

"Babylon in all its desolation is a sight not so awful as that of the human mind in ruins".
Scrope Davies

Terrain morphing Terrain modelling and visualisation techniques Data reduction/filtering for terrain modelling

Charlie was a chemist, but Charlie is no more, what Charlie thought was H₂O, was H₂SO₄

DFT and FFT Everything you want to know about the Fast Fourier Transform (and Discrete Fourier Transform) including the 2 dimensional FFT. Windows Welch, triangular, Bartlett, Hanning, Hamming, Kaiser.

Image filtering in the frequency domain Fourier method of designing digital filters

Why is the winner of the Miss Universe contest always from planet Earth?
Rob Hall

Sonification of a pulsar (Vela, PSR B0833-45) Sonograms Creating time - frequency plots.

I could be bounded in a nutshell and count myself a king of infinite space. Shakespear

Interpolation methods (low order), Trilinear Interpolation and Linear Regression. As well as a rather perverse way of fitting a curve through any points.

There cannot be a language more universal and more simple, more free from errors and obscurities,....more worthy to express the invariable relations of natural things than mathematics. It interprets all phenomena by the same language, as if to attest the unity and simplicity of the plan of the universe, and to make still more evident that unchangeable order which presides over all natural causes.
Joseph Fourier

AutoRegression Analysis (AR) Gaussian Elimination Algorithm for solving simultaneous solutions Least Squares Method

In any field find the strangest thing and then explore it.
John Archibald Wheeler

Quaternion Maths Determinant and inverse of a square matrix Mean and Variance, center of mass and radius of gyration.

Correlation Introduction to auto-correlation and cross-correlation with an example of 2D cross correlation for pattern identification. Random number generator Uniform and Gaussian random number generator library. The generation of random numbers is too important to be left to chance. Fourier Outline Analysis Including a Macintosh application that calculates radial series for shape analysis.

Prediction is difficult, especially of the future.
Niels Bohr

Miscellaneous functions Includes the following functions: Alpha, Zeta, SINC, Factorial Gamma, Gabor, Sigmoid, Gompertz, Biexponential. As well as the Gaussian (Normal), Poisson, Gamma, Exponential, Rayleigh, and Rice distributions. Also: trigonometric relationships, and various series and sequences. C/C++ libraries Discrete Stepped Frequency Modulated Chirp

You are totally unique, just like everyone else.
Sigmund Freud

Miscellaneous numbers: for example, phi, pi, e, a description of sumerian arithmetic, and a integer squareroot algorithm.

New   Stereo projection with the Unity game engine Stereo projection for hemispherical domes Stereoscopic filming for accurate depth and scale Unity game engine and iDome FAQ: Spherical mirror projection for hemispherical domes
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