Tag: transformations

18 What are Affine Transformations? 2015-09-01T00:39:04.890

18 Why is the transposed inverse of the model view matrix used to transform the normal vectors? 2015-09-15T21:08:13.860

11 Why are Homogeneous Coordinates used in Computer Graphics? 2015-09-25T00:13:21.510

11 Is it possible to turn a 3d rotation matrix (4x4) into its component parts (rotation, scale, etc.)? 2016-11-16T14:25:25.323

10 Ray Transformation to Object Space for Motion Blur 2015-10-14T16:51:06.533

9 When should quaternions be used to represent rotation and scaling in 3D? 2015-08-09T12:39:35.540

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

8 Apply distortion to B├ęzier surface 2016-07-18T18:39:53.650

7 What transformations should I apply to a model to produce this 3D effect? 2015-08-04T18:05:05.010

7 When is it better to upload partial model matrices to the vertex shader? 2015-08-25T19:42:26.127

7 After a deformation operation on polygons, how can I check for and fix inverted polys? 2015-11-19T18:17:37.720

7 Calculate aspect ratio from 2D shape in 3D space 2015-11-29T15:00:13.707

7 Cause of shadow acne 2016-03-16T16:05:17.363

7 Is there a objective reason for matrix naming conventions? 2016-07-19T18:20:16.133

6 How to combine rotation in 2 axis into one matrix 2015-10-09T19:40:42.943

6 implementing right handed coord system APIs on top of a left-handed rendering engine 2016-02-07T17:31:50.120

6 Graphics Pipeline: Viewspace & Back face culling incorrectly 2016-02-09T18:48:52.057

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 Animating a smooth linear transformation 2016-08-30T21:33:23.940

6 How to convert decomposed transformations between different coordinate systems? 2017-01-15T11:59:14.617

6 Color transform algorithm (that also works on saturation and value/lightness)? 2017-06-28T12:32:45.580

5 Finding the angle of any side of a polygon 2016-01-01T00:05:16.793

5 Why if we rotate an object by R and then translate it with T, from the object perspective, we're actually applying $-T$ and then $-R$ 2016-10-25T21:13:37.410

5 Rotating object around its own center 2016-12-07T10:13:04.487

5 Can a scene graph be stored in the GPU? 2017-02-21T21:13:30.893

5 Why do I need to inverse the orientation matrix of a camera to be able to translate it in the direction it is facing? 2017-09-05T16:29:56.203

4 Image rotation using FFT 2015-08-25T13:58:27.733

4 How to get the transform amount from a screen vector and a direction vector? 2015-11-30T15:36:34.443

4 How to determine the object-to-world matrix 2016-01-28T18:47:33.133

4 Affine Transformation 2016-04-30T19:06:49.000

4 Understanding view matrix 2016-06-02T05:13:34.250

4 Transformation Matrices 2016-08-26T11:50:32.283

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

4 Zoom in orthographic vs perspective projection 2016-10-12T20:35:09.033

4 Normal 2D photo to VR-compatible spherical photo 2016-10-25T18:00:00.047

4 Detect a lossy matrix decomposition? 2017-01-07T21:35:26.213

4 How is that possible that matrices can be thought as coordinate systems? 2017-01-12T12:05:10.333

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 Calculate Camera parameters and HandEyeCalibration 2017-03-09T16:24:25.097

4 Minimum requirements to uniquely represent a 3D object in space 2017-06-09T19:18:56.963

4 why is translating in 3D space the same as shearing in 4D space? 2018-01-24T15:54:36.527

3 Software to compose separate models into an articulated model? 2015-09-02T15:02:06.727

3 How to get polygon coordinates in screen space 2015-12-23T23:52:07.863

3 Is there a way to script image creation? 2016-01-23T22:59:21.727

3 OpenSCAD Hull/Minkowski function by hand? 2016-03-15T10:18:23.130

3 Computing camera front direction from Euler angles 2016-04-10T17:26:45.990

3 Creating an Object Orientated Bounding Volume 2016-04-24T14:21:39.993

3 Image rotation algorithm 2016-05-28T13:51:32.880

3 How to deform some mesh so that it fits along a spline curve? 2016-07-06T06:42:32.643

3 Computing a rotation: complex numbers vs rotation matrix 2016-08-28T18:19:07.210

3 Screenspace Normals - Creation, Normal Maps, and Unpacking 2016-09-03T01:47:23.163

3 Rotate a cylinder from XY plane to given points 2016-09-14T11:53:11.273

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

3 What is the correct order of transformations scale, rotate and translate and why? 2016-10-28T00:52:00.050

3 Inverted yaw angle in the view matrix 2016-11-15T07:32:44.550

3 What's a parent vector space or coordinate system? 2017-01-13T12:41:15.877

3 translate coordinates relative to line segment 2017-01-17T15:58:03.663

3 Rotation matrix for a 3D object in space 2017-06-12T19:00:12.177

3 Point of view and rotation 2017-08-04T17:55:03.860

3 How to obtain generalized barycentric coordinates for n-sided polygon? 2018-01-24T09:24:04.060

2 Why is the color in the cube being weirdly swapped? 2015-08-25T04:14:15.283

2 Transform a point into another point 2015-10-09T18:03:51.633

2 Angle between two points in Cartesian coordinate system C++ 2015-12-27T13:29:16.620

2 culling meshes across mulitple layers 2016-02-03T19:38:55.693

2 Correct view-space transform 2016-02-12T18:22:24.593

2 Choosing & Using a Projection Matrix 2016-02-15T18:47:24.553

2 3D rotation matrix around vector 2016-05-06T15:05:48.190

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 detect blurred zones after conversion to black & white 2016-08-05T16:25:40.423

2 Transformations about a Plane 2016-08-28T20:30:55.193

2 Transforming fragment-to-camera to tangent space for parallax occlusion mapping 2016-09-19T11:19:36.437

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

2 Correcting my "look-at" matrix so that it works on non-camera objects? 2017-02-05T11:48:42.317

2 Getting from the default view volume to an image on the screen 2017-03-14T09:52:59.677

2 Store 3d coordinates in a 2d image? 2017-06-14T01:28:19.090

2 Suggested image preprocessing before applying threshold 2017-06-23T05:57:20.637

2 Image resize with pixel accumulation? 2017-06-30T13:18:54.557

2 How to get camera Right vector when Front vector and WorldUp vector are collinear 2017-08-11T02:47:36.090

2 Inverse-Transpose of Vertex Normals 2017-08-20T07:22:06.270

2 How is it possible to generate geometries using space folding? 2017-08-29T22:25:54.133

2 How can I implement GIMP's "Colorize" function? 2017-10-07T12:47:13.060

2 OpenGL : How to translate an object with it's own axis 2017-10-15T13:42:35.720

2 Supporting multiple camera types in a deferred renderer without specializing the shaders or in the shaders 2017-10-18T17:42:55.073

2 How to get the length of paths in an given font/character 2017-11-09T21:35:32.930

2 How to calculate camera distance so that after projective transformation a quad is filling the whole screen 2017-11-15T06:52:11.777

1 How is smooth animation accomplished? 2015-10-31T11:10:42.477

1 A question about derivation in oblique view frustum 2016-03-06T11:51:59.727

1 how to map rectangular coordinate system onto JavaFX GraphicsContext canvas 2016-11-13T19:50:31.847

1 Ladder to DNA using Transformation Matrix 2016-11-18T05:43:25.880

1 With OpenGL, is it correct to apply model transformation to rotate the camera? 2017-03-02T14:21:09.160

1 Transformation between aspect ratio 2017-04-04T12:00:32.950

1 How to rotate an object around any axis if i have just local x and y? 2017-09-11T20:05:51.987

1 OpenGL : How to rotate an object around viewing space x-axis 2017-11-11T16:15:30.437

1 Composition of an .obj file 2017-12-07T20:31:34.333

1 Octahedral mapping for Spherical functions 2018-01-30T07:59:20.310

1 What technique would I use to create fake 3d walls as seen in Realm of the Mad God 2018-02-08T17:22:02.540