add_opacity | R Documentation |
Set the opacity for a brain mesh from a vector of values that correspond to the vertices in the mesh.
add_opacity(mesh, a_map, a_range = c(0.5, 1), a_default = 1)
mesh |
The brain mesh of interest |
a_map |
The vector of values to be used to set alpha (opacity) |
a_range |
The range of alpha values to be used in the image (after rescaling), must be between 0 and 1. |
a_default |
the default alpha value for missing values in a_map |
The original mesh with the alpha levels set
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