From a19f0ee661bc82ea6cdefd7dba918023a24c549b Mon Sep 17 00:00:00 2001
From: Jon Clayden <code@clayden.org>
Date: Wed, 19 Jun 2024 18:16:08 +0100
Subject: [PATCH] Update documentation

---
 DESCRIPTION     |  2 +-
 R/rgb.R         |  9 +++++++--
 man/rgbArray.Rd | 10 ++++++++--
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/DESCRIPTION b/DESCRIPTION
index f68fd72..5b91bea 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -25,5 +25,5 @@ License: GPL-2
 URL: https://github.com/jonclayden/RNifti
 BugReports: https://github.com/jonclayden/RNifti/issues
 Encoding: UTF-8
-RoxygenNote: 7.2.3
+RoxygenNote: 7.3.1
 Roxygen: list(old_usage=TRUE)
diff --git a/R/rgb.R b/R/rgb.R
index ea0cc9a..3364be2 100644
--- a/R/rgb.R
+++ b/R/rgb.R
@@ -22,9 +22,14 @@
 #'   dimensions of \code{red} are used if this is \code{NULL}.
 #' @param ... For \code{rgbArray}, additional attributes to set on the result,
 #'   such as \code{pixdim}. These are passed directly to
-#'   \code{\link{structure}}. For the \code{as.character} method, this argument
-#'   is ignored.
+#'   \code{\link{structure}}. For the indexing method, additional indices.
+#    For the \code{as.character} method, this argument is ignored.
 #' @param x An \code{rgbArray} object.
+#' @param i,j Index vectors, which are passed to the \code{array} method.
+#' @param drop Whether or not to drop unitary dimensions. \code{rgbArray}
+#'   objects currently always have a \code{dim} attribute, so if the result is
+#'   a vector it will have a remaining single-element dimension equal to its
+#'   length.
 #' @param flatten Logical value. If \code{FALSE}, the dimensions of \code{x}
 #'   will be retained in the result. The default is \code{TRUE}, for
 #'   consistency with the usual behaviour of \code{as.character}, which strips
diff --git a/man/rgbArray.Rd b/man/rgbArray.Rd
index 0a3f8f5..aa9d7c0 100644
--- a/man/rgbArray.Rd
+++ b/man/rgbArray.Rd
@@ -35,11 +35,17 @@ dimensions of \code{red} are used if this is \code{NULL}.}
 
 \item{...}{For \code{rgbArray}, additional attributes to set on the result,
 such as \code{pixdim}. These are passed directly to
-\code{\link{structure}}. For the \code{as.character} method, this argument
-is ignored.}
+\code{\link{structure}}. For the indexing method, additional indices.}
 
 \item{x}{An \code{rgbArray} object.}
 
+\item{i, j}{Index vectors, which are passed to the \code{array} method.}
+
+\item{drop}{Whether or not to drop unitary dimensions. \code{rgbArray}
+objects currently always have a \code{dim} attribute, so if the result is
+a vector it will have a remaining single-element dimension equal to its
+length.}
+
 \item{flatten}{Logical value. If \code{FALSE}, the dimensions of \code{x}
 will be retained in the result. The default is \code{TRUE}, for
 consistency with the usual behaviour of \code{as.character}, which strips