View source: R/imaging-fill-surface.R
fill_surface | R Documentation |
Create a cube volume (256
'voxels' on each margin), fill
in the 'voxels' that are inside of the surface.
fill_surface(
surface,
inflate = 0,
IJK2RAS = NULL,
preview = FALSE,
preview_frame = 128
)
surface |
a surface mesh, can be mesh objects from |
inflate |
amount of 'voxels' to inflate on the final result; must be
a non-negative integer. A zero |
IJK2RAS |
volume 'IJK' (zero-indexed coordinate index) to
|
preview |
whether to preview the results; default is false |
preview_frame |
integer from 1 to 256 the depth frame used to generate preview. |
This function creates a volume (256 on each margin) and fill in the volume from a surface mesh. The surface vertex points will be embedded into the volume first. These points may not be connected together, hence for each 'voxel', a cube patch will be applied to grow the volume. Then, the volume will be bucket-filled from a corner, forming a negated mask of "outside-of-surface" area. The inverted bucket-filled volume is then shrunk so the mask boundary tightly fits the surface
A list containing the filled volume and parameters used to generate the volume
Zhengjia Wang
# takes > 5s to run example
# Generate a sphere
surface <- vcg_sphere()
surface$vb[1:3, ] <- surface$vb[1:3, ] * 50
fill_surface(surface, preview = TRUE)
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