view_label3d: Draw a view label at a position, compensating for the camera...

In fsbrain: Managing and Visualizing Brain Surface Data

Draw a view label at a position, compensating for the camera rotation.

Description

With camera-based views, geometry (and text) stays in world coordinates while the camera applies the view rotation. To keep a label at the same screen position relative to the (now unrotated) renderables as in the legacy mesh-rotation views, the label offset is pre-rotated by the view's mesh rotation matrix R_mesh.

Usage

view_label3d(text, x, y, z, R_mesh = NULL)

Arguments

text	character string, the label text.
x	y, z numeric, the label offset in the rotated (view) frame.
R_mesh	4x4 numeric rotation matrix, the view's mesh rotation (use rotation.matrix), or NULL for no rotation (e.g., the dorsal view).

fsbrain documentation built on Sept. 27, 2026, 1:07 a.m.