[−][src]Module pbrt::core::sampling
Draw random samples from a chosen probability distribution.
Structs
| Distribution1D | |
| Distribution2D |
Functions
| concentric_sample_disk |
Uniformly distribute samples over a unit disk. |
| cosine_hemisphere_pdf |
Returns a weight of cos_theta / PI. |
| cosine_sample_hemisphere |
Cosine-weighted hemisphere sampling using Malley's method. |
| power_heuristic |
Reducing the variance according to Veach's heuristic. |
| shuffle |
Randomly permute an array of count sample values, each of which has n_dimensions dimensions. |
| uniform_cone_pdf |
Uniformly sample rays in a cone of directions. Probability density function (PDF). |
| uniform_hemisphere_pdf |
Uniformly sample rays in a hemisphere. Probability density function (PDF). |
| uniform_sample_cone |
Samples in a cone of directions about the (0, 0, 1) axis. |
| uniform_sample_hemisphere |
Uniformly sample rays in a hemisphere. Choose a direction. |
| uniform_sample_sphere |
Uniformly sample rays in a full sphere. Choose a direction. |
| uniform_sample_triangle |
Uniformly distributing samples over isosceles right triangles actually works for any triangle. |
| uniform_sphere_pdf |
Probability density function (PDF) of a sphere. |