inla.spde.sample.RdOld methods fo sampling from a SPDE model. For new code, use
inla.spde.precision() and inla.qsample() instead.
inla.spde.sample(...)
# Default S3 method
inla.spde.sample(precision, seed = NULL, ...)
# S3 method for class 'inla.spde'
inla.spde.sample(spde, seed = NULL, ...)