% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/long-grmtree-plot.R
\name{node_regionplot_longitudinal}
\alias{node_regionplot_longitudinal}
\title{Region Plot Panel for Longitudinal GRM Tree Nodes}
\usage{
node_regionplot_longitudinal(
  mobobj,
  n_items,
  names = FALSE,
  abbreviate = TRUE,
  ylim = NULL,
  off = 0.1,
  col_fun = grDevices::gray.colors,
  bg = "white",
  ylines = 2,
  ...
)
}
\arguments{
\item{mobobj}{A \code{longitudinal_grmtree} object.}

\item{n_items}{Number of items per time point.}

\item{names}{Logical, character vector, or FALSE for labeling.}

\item{abbreviate}{Logical or numeric for name abbreviation.}

\item{ylim}{Optional y-axis limits.}

\item{off}{Offset between items (default: 0.1).}

\item{col_fun}{Color function for response categories (default:
\code{gray.colors}).}

\item{bg}{Background color (default: "white").}

\item{ylines}{Width of y-axis margin in lines (default: 2).}

\item{...}{Additional arguments (unused).}
}
\value{
A panel function suitable for use with
\code{\link[partykit]{plot.modelparty}}.
}
\description{
Internal function that generates the terminal node panel function for
region plots of longitudinal GRM trees. Extracts only T1 item thresholds
(items 1 through n_items) since T2 items have identical constrained
parameters.
}
\keyword{internal}
