cortex.freesurfer.stretch_mwall

cortex.freesurfer.stretch_mwall(pts, polys, mwall)

Stretch the medial wall vertices of an inflated surface out into a flat disc, as a starting point for flattening.

Parameters:

ptsndarray

Vertex coordinates of the (typically inflated) surface.

polysndarray

Triangle faces of the surface.

mwallarray-like

Indices of the medial wall vertices to stretch out.

Returns:

layoutSpringLayout

A SpringLayout initialized with the medial wall vertices pinned at their new, stretched-out positions and the original pts as the rest-length reference, ready to be relaxed with .run().