User trichoplax

11

33

votes

4

answers

1k

views

Are there common materials that aren't represented well by RGB?

color

Aug 30 '15 at 20:19 Community♦ 1

11

19

votes

3

answers

4k

views

Is Russian Roulette really the answer?

monte-carlo pathtracing

Nov 2 '17 at 0:35 Pseudonym 561

4

19

votes

1

answer

4k

views

Why is recursion forbidden in OpenCL?

raytracing opencl gpgpu

Aug 29 '15 at 2:17 Nathan Reed 17.1k

2

16

votes

2

answers

451

views

Is gamma still important to take into account?

color gamma compatibility

Aug 19 at 20:03 Matthias 720

3

14

votes

1

answer

318

views

Is all grid based noise inevitably anisotropic?

noise grid

Nov 3 '15 at 14:48 ratchet freak 5,165

14

votes

1

answer

175

views

How can I model distant rain?

atmospherics offline animation fog

Aug 10 '15 at 9:12 jozxyqk 382

2

12

votes

1

answer

313

views

How does a 2D Fourier Transform of an image work?

noise fourier-transform

Nov 3 '15 at 19:18 Community♦ 1

2

12

votes

1

answer

383

views

Why is it twice as expensive to make a noise function that can be tiled?

algorithm noise

Nov 3 '15 at 14:51 Nero 805

2

12

votes

1

answer

269

views

Polarising reflection and refraction for a wrap around water surface

raytracing physically-based reflection refraction

Aug 11 '15 at 5:45 John Calsbeek 3,317

11

votes

3

answers

334

views

How can I concentrate points in areas of higher curvature?

algorithm triangulation

May 19 '17 at 8:22 peterh 111

3

11

votes

4

answers

1k

views

Does it matter whether I learn OpenGL or Direct3D?

opengl api direct3d

May 30 '16 at 17:48 Andreas 274

1

11

votes

2

answers

1k

views

Could a hexagonal pixel array store an image more efficiently?

pixels memory

Mar 25 '16 at 21:25 supercat 181

1

11

votes

3

answers

285

views

Is a Lambertian reflector illuminated by a smaller fraction of the incident radiation when it's tilted?

shading

Nov 23 '15 at 13:16 Dan Hulme♦ 5,225

3

11

votes

3

answers

395

views

How can I make my ice cubes look real?

refraction transparency photo-realistic

Aug 11 '15 at 23:20 Alan Wolfe 4,681

1

11

votes

3

answers

234

views

How can I raytrace a scene that does not fit into memory?

raytracing memory

Aug 9 '15 at 22:47 Benedikt Bitterli 2,195

10

votes

3

answers

395

views

What is the optimal radius of gaussian distribution for determining pixel colour?

sampling pixels

Mar 25 '16 at 21:41 supercat 181

1

10

votes

1

answer

148

views

Which effects do I need to take into account for the iris of the eye?

photo-realistic

Sep 23 '15 at 16:24 trichoplax♦ 3,919

2

10

votes

1

answer

352

views

Can I raytrace gravitational lensing using only a single point source of gravity?

raytracing

Sep 1 '15 at 16:29 imallett 1,305

10

votes

1

answer

103

views

Is depth of field incongruous in a 3D still image?

depth-of-field 3d stereo-rendering

Aug 5 '15 at 17:39 Benedikt Bitterli 2,195

3

9

votes

1

answer

471

views

Modelling Young's double slit experiment

raytracing algorithm physically-based

Aug 7 '15 at 16:52 waldyrious 105

1

9

votes

1

answer

82

views

What are the side effects of biasing brightness in continuous spectrum raytracing?

raytracing color

Aug 5 '15 at 22:04 Nathan Reed 17.1k

1

8

votes

1

answer

146

views

Is the demoscene a source of advancements in computer graphics? [closed]

demoscene

Aug 28 '15 at 15:05 Alan Wolfe 4,681

8

votes

2

answers

70

views

Is there a way to achieve the look of a distant flock or shoal without full simulation?

real-time

Aug 22 '15 at 8:02 Mokosha 649

1

8

votes

1

answer

101

views

Is there an established method of approximating dust distribution on surfaces?

distribution

Aug 18 '15 at 18:22 Community♦ 1

1

8

votes

1

answer

124

views

Can I determine the pixel geometry programmatically?

webgl javascript

Aug 11 '15 at 5:26 John Calsbeek 3,317

1

8

votes

2

answers

647

views

Is long term continuous use of GPGPU safe for my GPU?

gpu

Aug 7 '15 at 18:57 Mark 987

1

7

votes

2

answers

1k

views

Am I missing something for ambient occlusion?

raytracing ambient-occlusion shadow

Oct 9 '15 at 1:44 v.oddou 538

1

7

votes

2

answers

166

views

How can I detect edges between different colours of the same brightness?

color algorithm edge-detection

Aug 9 '15 at 17:03 psicomante 305

7

votes

1

answer

165

views

Can I use several GPUs for a grid multi screen image?

gpu

Aug 8 '15 at 7:46 Nathan Reed 17.1k

6

votes

1

answer

393

views

Speeding up convergence: am I reinventing the wheel?

raytracing sampling efficiency

Sep 2 '15 at 1:54 imallett 1,305

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36 Questions

Are there common materials that aren't represented well by RGB?

Is Russian Roulette really the answer?

Why is recursion forbidden in OpenCL?

Is gamma still important to take into account?

Is all grid based noise inevitably anisotropic?

How can I model distant rain?

How does a 2D Fourier Transform of an image work?

Why is it twice as expensive to make a noise function that can be tiled?

Polarising reflection and refraction for a wrap around water surface

How can I concentrate points in areas of higher curvature?

Does it matter whether I learn OpenGL or Direct3D?

Could a hexagonal pixel array store an image more efficiently?

Is a Lambertian reflector illuminated by a smaller fraction of the incident radiation when it's tilted?

How can I make my ice cubes look real?

How can I raytrace a scene that does not fit into memory?

What is the optimal radius of gaussian distribution for determining pixel colour?

Which effects do I need to take into account for the iris of the eye?

Can I raytrace gravitational lensing using only a single point source of gravity?

Is depth of field incongruous in a 3D still image?

Modelling Young's double slit experiment

What are the side effects of biasing brightness in continuous spectrum raytracing?

Is the demoscene a source of advancements in computer graphics? [closed]

Is there a way to achieve the look of a distant flock or shoal without full simulation?

Is there an established method of approximating dust distribution on surfaces?

Can I determine the pixel geometry programmatically?

Is long term continuous use of GPGPU safe for my GPU?

Am I missing something for ambient occlusion?

How can I detect edges between different colours of the same brightness?

Can I use several GPUs for a grid multi screen image?

Speeding up convergence: am I reinventing the wheel?