Tag: mathematics

22 Is my perspective math correct? 2015-11-27T10:59:41.930

11 Thorough, accessible material about Fourier basis functions and Spherical Harmonics? 2015-10-15T08:06:54.277

10 Correct Specular Term of the Cook-Torrance / Torrance-Sparrow Model 2016-09-04T12:24:58.883

9 What makes a good permutation table? 2016-01-25T09:04:13.653

9 Moving each point of a surface in direction of corresponding normal 2016-03-07T07:52:07.727

9 Find the longest straight line between two points on surface of polygon 2016-04-22T09:39:17.053

7 How correct is rendering in XYZ / linear RGB space? 2015-11-05T10:08:52.910

7 Understanding Jump Flooding Algorithm (JFA) for Voronoi Diagrams 2017-03-09T12:30:16.693

6 OpenGL with SFML, create an n-pointed star? 2016-02-09T17:21:34.743

6 Rotate line around center 2016-02-16T20:49:14.753

6 How to invert an affine matrix with small values? 2016-03-04T08:49:24.877

6 Sine-based Tiled Procedural Bump 2016-04-07T22:22:11.080

6 Estimating real world object distance from photo 2016-07-13T16:50:17.123

6 Correct post-displacement normal calculation (Y-component and epsilon) 2017-02-23T04:39:04.937

6 Why is $pdf(\Psi) = \frac{1}{2\pi}$ when picking from hemisphere uniformly? 2017-05-02T14:36:12.060

6 2D sampling with multidimensional transformations 2017-06-21T10:14:47.927

6 Monte Carlo Integration 2017-06-29T13:28:24.047

5 How to achieve gimbal lock with Euler angles? 2016-12-29T18:35:58.620

5 How does a rigged model work? 2017-01-05T19:49:27.193

5 How am I able to perform perspective projection without a near plane? 2017-05-16T14:23:29.357

5 Does premultiplied alpha give order independent transparency? 2017-09-13T23:28:33.280

5 Logarithmic spiral with equal vertex spacing, what equations? 2017-10-16T18:07:00.383

5 Microfacet shading for diffuse materials 2018-01-27T23:30:33.477

5 Modulo vs Scaling vs Capping when performing filters 2018-02-10T01:10:49.117

4 Fastest way to put a point on the circumference of a circle 2016-06-26T18:53:56.907

4 Correctness of logical steps for create the matrix of viewing transformation 2016-10-10T22:36:53.850

4 Does the blending matrix change between calculating various curve segments in a uniform cubic B-splines approximation? 2016-10-27T14:39:12.590

4 Calculate Transformation between two point sets - but with constrained Degrees of Freedom 2017-03-05T15:49:05.427

4 Calculate a rotation around an arbitrary axis 2017-03-07T10:24:44.110

4 Best way to group 3d points into planes, if any 2017-05-15T10:35:13.343

4 The variance for the Monte Carlo estimator 2017-06-09T14:44:20.620

4 What does it *mean* to scale in an arbitrary direction? 2017-09-09T00:17:01.073

4 Where does the cosine factor comes from in the GGX PDF? 2017-12-05T00:41:56.357

4 What is a Gaussian Lobe concerning BRDF and NDF? 2018-02-22T13:57:48.367

3 Draw angles lines in raster graphics using bresenham line algorithm 2015-12-08T13:03:25.073

3 Making surface with common parametrization from bunch of other surfaces 2016-03-07T12:04:51.657

3 Generate this kind of 2d burst or pulse algorithm? 2016-04-28T18:11:12.010

3 How can I draw a tube on basis of position and angle between two 3d points? 2016-06-25T06:53:20.210

3 Rotating an Object Around an Axis 2016-10-02T08:41:23.423

3 Paper for the approximation formula provided by Brian Karis 2018-01-11T19:58:40.987

2 intersection between line segments - narrowed precondition 2016-03-04T11:53:48.777

2 Unwinding an image on a spiral to make it long and flat 2016-05-09T14:39:36.810

2 Object rotating around origin instead of object center? 2016-06-07T04:35:00.773

2 Expressing a reflected ray at a point as a function of the incoming ray and the normal to the surface at that point 2016-08-24T14:25:55.273

2 Meaning of the parameter in a line-plane intersection in the space 2016-08-25T21:21:30.143

2 What is a good algorithm, and framework, to calculate centres of gravity or mass (cog)? 2016-09-09T10:37:45.823

2 Transform a centered isosceles trapezoid in a rectangle in 2-D 2016-09-30T10:53:22.343

2 Average point on sphere between 3 other points (spherical triangle) 2017-01-19T21:44:33.960

2 Probability density function while using spherical coordinates 2017-12-09T01:07:53.423

2 Why is the approximation valid, in the formula provided by Brian Karis? 2018-02-06T10:55:21.930

1 Compute angles and thereby endpoints in a raster grid? 2015-12-09T22:37:12.460

1 Ray tracing - tangent space for a point on a sphere 2016-01-22T19:21:10.987

1 OpenGL C++ Camera Rotation Problem 2016-03-23T14:26:57.420

1 Line segment intersection test and find the point of intersection 2016-04-27T10:12:31.790

1 Why does substracting -1 in shader fail for a float data type? 2016-06-02T08:25:26.957

1 Enter/Exit of unit cube representable as 4 numbers? 2017-01-14T01:14:23.337

1 Beginner CG Research Project 2017-03-03T16:18:43.253

1 How to find vertices on borders of geometry 2017-07-28T15:02:37.380

1 Algorithm for clipping convex quadrilaterals 2017-07-29T06:43:44.320

1 Barycentric coordinates for 5-sided polytope of two triangles and three trapezoids 2017-10-09T07:15:04.703

1 Hooke's Law vector form 2017-10-13T07:19:16.473

1 AABB bounding boxes 2017-12-31T20:35:30.410

1 Hashing a point on cubic sphere 2018-01-18T20:07:34.193

1 Why are BRDF and the lighting uncorrelated? 2018-02-07T12:27:13.780

1 Changing sin frequency smoothly in shader 2018-02-15T14:57:45.743

1 How can I draw periodic Approximating Pi along the horizontal axis? 2018-03-08T17:04:57.583

0 Image cleaning - removing all regular shapes ( circles, squares, text, icons etc. ) 2016-09-10T11:42:23.603

0 Return x; y; coordinates of vertex C of triangle 2017-07-23T19:15:23.890

0 Round Box SDF scaling issue 2017-08-03T15:15:40.543

0 How to derive the formula@NathanReed answer 2017-09-19T08:14:25.393

0 Matlab scatter hotmap 2017-11-13T01:31:53.133

0 Is there any free software to visualize a texture mapped to a sphere? 2017-11-25T01:54:49.893

0 How to obtain a parametric equation out of a part designed in Autodesk Inventor? 2018-01-15T19:45:02.840