mesh.ras2crs

Applies the inverse of the FreeSurfer vox2ras_tkr matrix to all surface vertices, converting them from surface RAS coordinates to 0-based CRS (column, row, slice) indices. The resulting CRS coordinates can be used to directly index into a brain volume array (after adding 1 for R's 1-based indexing).

internal

Provides high-level access to neuroimaging data from standard software packages like 'FreeSurfer' <http://freesurfer.net/> on the level of subjects and groups. Load morphometry data, surfaces and brain parcellations based on atlases. Mask data using labels, load data for specific atlas regions only, and visualize data and statistical results directly in 'R'.

Tim Schc3<a4>fer

fsbrain

Managing and Visualizing Brain Surface Data

Tim Schäfer

mesh.ras2crs function

<dl><dt>surface</dt>
<dd>an <code>fs.surface</code> instance, as returned by <code>read.fs.surface</code>.</dd></dl>

Arguments

Transform surface vertices from surface RAS to 0-based volume CRS space. — mesh.ras2crs

<dl>

<dt>surface</dt>
<dd>an <code>fs.surface</code> instance, as returned by <code>read.fs.surface</code>.</dd>

</dl>

mesh.ras2crs: Transform surface vertices from surface RAS to 0-based volume CRS space.

Description

Usage

Value

Arguments