R/hxsurf.R
    write.hxsurf.RdWrite Amira surface (aka HxSurface or HyperSurface) into .surf file.
write.hxsurf(surf, filename)hxsurf object to write to file.
character vector defining path to file.
NULL or integer status from close.
plot3d.hxsurf,read.hxsurf, rgb
Other amira: 
amiratype(),
is.amiramesh(),
read.amiramesh(),
read.hxsurf()
Other hxsurf: 
as.hxsurf(),
as.mesh3d(),
materials(),
plot3d.hxsurf(),
read.hxsurf(),
subset.hxsurf()