diff --git a/NAMESPACE b/NAMESPACE
index e3e543d..ec49eb4 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -65,6 +65,7 @@ export(banc_segid_from_cellid)
 export(banc_set_token)
 export(banc_side_view)
 export(banc_to_JRC2018F)
+export(banc_updateids)
 export(banc_upload_mesh)
 export(banc_view)
 export(banc_vnc_side_view)
diff --git a/R/ggplot2.R b/R/ggplot2.R
index adb85c8..74d9b6e 100644
--- a/R/ggplot2.R
+++ b/R/ggplot2.R
@@ -17,6 +17,7 @@
 #' @param filename Optional. If provided, the plot will be saved to this file. If NULL (default), the plot will be displayed but not saved.
 #' @param width Numeric. The width of the output plot in inches. Default is 16.
 #' @param height Numeric. The height of the output plot in inches. Default is 16.
+#' @param alpha Vector of alpha values for neurons 1, 2 and 3. If a single value, applied to all.
 #'
 #' @return If filename is NULL, the function returns a ggplot object. If filename is provided, the function saves the plot and returns invisibly.
 #'
diff --git a/R/ids.R b/R/ids.R
index 325af59..681ff0a 100644
--- a/R/ids.R
+++ b/R/ids.R
@@ -63,7 +63,7 @@ banc_leaves <- function(x, integer64=TRUE, ...) {
 #' @examples
 #' \dontrun{
 #' # a point from neuroglancer, should map to 648518346498932033
-#' banc_xyz2id(cbind(34495, 82783, 1954), rawcoords=TRUE)
+#' banc_xyz2id(cbind(438976,985856,215955), rawcoords=FALSE)
 #' }
 banc_xyz2id <- function(xyz,
                         rawcoords=FALSE,
@@ -111,7 +111,6 @@ banc_islatest <- function(x, timestamp=NULL, ...) {
   with_banc(flywire_islatest(x=x, timestamp = timestamp, ...))
 }
 
-
 #' Find the latest id for a banc root id
 #'
 #' @inheritParams fafbseg::flywire_latestid
@@ -128,6 +127,17 @@ banc_latestid <- function(rootid, sample=1000L, cloudvolume.url=NULL, Verbose=FA
   with_banc(fafbseg::flywire_latestid(rootid=rootid, sample = sample, Verbose=Verbose, ...))
 }
 
+#' @export
+#' @rdname banc_latestid
+banc_updateids <- function(rootid, ...){
+  old <- !banc_islatest(rootid, ...)
+  old[is.na(old)] <- TRUE
+  #cat("latest/outdated: ",table(old))
+  updated <- banc_latestid(x[old], ...)
+  rootid[old] <- updated
+  rootid
+}
+
 #' Return a vector of banc root ids from diverse inputs
 #'
 #' @param x A data.frame, URL or vector of ids
@@ -141,7 +151,7 @@ banc_latestid <- function(rootid, sample=1000L, cloudvolume.url=NULL, Verbose=FA
 #' banc_ids(data.frame(rootid="648518346474360770"))
 banc_ids <- function(x, integer64=NA) {
   if(is.data.frame(x)) {
-    colstocheck=c("rootid", "id", "pre_id", "post_id")
+    colstocheck=c("rootid", "id", "pre_id", "post_id", "root_id")
     for(col in colstocheck) {
       if(col %in% colnames(x))
         return(banc_ids(x[[col]], integer64 = integer64))
diff --git a/man/banc_latestid.Rd b/man/banc_latestid.Rd
index 0c52b33..b8709c0 100644
--- a/man/banc_latestid.Rd
+++ b/man/banc_latestid.Rd
@@ -2,6 +2,7 @@
 % Please edit documentation in R/ids.R
 \name{banc_latestid}
 \alias{banc_latestid}
+\alias{banc_updateids}
 \title{Find the latest id for a banc root id}
 \usage{
 banc_latestid(
@@ -11,6 +12,8 @@ banc_latestid(
   Verbose = FALSE,
   ...
 )
+
+banc_updateids(rootid, ...)
 }
 \arguments{
 \item{rootid}{One ore more FlyWire rootids defining a segment (in any form
diff --git a/man/banc_neuron_comparison_plot.Rd b/man/banc_neuron_comparison_plot.Rd
index 68c9622..0658509 100644
--- a/man/banc_neuron_comparison_plot.Rd
+++ b/man/banc_neuron_comparison_plot.Rd
@@ -15,6 +15,7 @@ banc_neuron_comparison_plot(
   banc_brain_neuropil = NULL,
   banc_vnc_neuropil = NULL,
   banc_neuropil = NULL,
+  alpha = 0.5,
   filename = NULL,
   width = 16,
   height = 16
@@ -41,6 +42,8 @@ banc_neuron_comparison_plot(
 
 \item{banc_neuropil}{A mesh object representing the entire neuropil. Default is banc_neuropil.surf.}
 
+\item{alpha}{Vector of alpha values for neurons 1, 2 and 3. If a single value, applied to all.}
+
 \item{filename}{Optional. If provided, the plot will be saved to this file. If NULL (default), the plot will be displayed but not saved.}
 
 \item{width}{Numeric. The width of the output plot in inches. Default is 16.}
diff --git a/man/banc_xyz2id.Rd b/man/banc_xyz2id.Rd
index e53a725..15fd4a3 100644
--- a/man/banc_xyz2id.Rd
+++ b/man/banc_xyz2id.Rd
@@ -38,7 +38,7 @@ voxel coordinates must be set to 4.25 in x-y to give the correct answers.
 \examples{
 \dontrun{
 # a point from neuroglancer, should map to 648518346498932033
-banc_xyz2id(cbind(34495, 82783, 1954), rawcoords=TRUE)
+banc_xyz2id(cbind(438976,985856,215955), rawcoords=FALSE)
 }
 }
 \seealso{