Module heatmap 

Pure geometry for the objective heatmap: the sampled value grid, its color map, and the mapping from parameter space to the unit square. No window or GPU is involved, so every function is unit tested on the host.

Structs

Raster

A size × size grid of RGB pixels, row-major from the top (high y) row.

Constants

GRID

The heatmap’s resolution per axis.

Functions

color

A perceptually ordered dark-to-light color ramp (viridis stops), t in [0, 1] and clamped outside it. Low values are dark.

raster

Samples a two-parameter problem at pixel centres and colors the values.

unit_point

Maps a parameter point into the unit square: (0, 0) is the bottom-left corner of the box, (1, 1) the top-right. Returns None for a point with the wrong dimension.