diff --git a/bin/2.2_motif_estimation/png_to_pdf.R b/bin/2.2_motif_estimation/png_to_pdf.R
index 7c86920..4ea85b9 100644
--- a/bin/2.2_motif_estimation/png_to_pdf.R
+++ b/bin/2.2_motif_estimation/png_to_pdf.R
@@ -39,16 +39,16 @@ png_to_pdf <- function(png_top, png_list, cluster_ids, new_id, out = "cluster.pd
   grobs <- lapply(png_split,function(p){rasterGrob(readPNG(p),interpolate = FALSE)})
 
   split_grobs <- split(grobs, rep(1:ceiling(length(grobs)/3), each = 3)[1:length(grobs)])
-  
+
   rows <- lapply(seq(1,length(split_grobs)), function(sg){
     arrangeGrob(grobs = split_grobs[[sg]], top = textGrob(paste0("Cluster ",cluster_list[sg]),gp = gpar(fontsize = 20,font = 3)), ncol = 3)
   })
   split_rows <- split(rows, rep(1:ceiling(length(rows)/4), each = 4)[1:length(rows)])
-  
+
   pdf(out,width = 17, height = 11)
   grid.arrange(grobs = top_grob, nrow = 3, top = textGrob(paste0("New Cluster ",new_id),gp = gpar(fontsize = 30,font = 3)))
   lapply(split_rows, function(r){
-    grid.arrange(grobs = r, nrow = 4, top = textGrob("Generated from...",gp = gpar(fontsize = 30,font = 3))) 
+    grid.arrange(grobs = r, nrow = 4, top = textGrob("Generated from...",gp = gpar(fontsize = 30,font = 3)))
   })
 
   dev.off()
@@ -68,20 +68,21 @@ get_index <- function(index_file){
   index <- f[,c(2,8)]
   index$V8 <- strsplit(index$V8,",")
   return(index[unlist(lapply(index$V8, function(v){ifelse(length(v) > 1, TRUE, FALSE)}))])
-  
-}
 
+}
 
+@TODO
 png_to_pdf_set_up <- function(png_top, png_list, index_file){
-  
+
   index <- get_index(index_file)
   t <- lapply(seq(nrow(index)), function(i){
     new_id <- index[i,1]
     cluster_ids <- index[i,2]
     out <- paste0("Summary_cluster_", new_id, ".pdf")
-    png_to_pdf(png_top = ,png_list = ,cluster_ids = cluster_ids, new_id = new_id, out = out )
+    #regex_png <- paste0("*_cluster_", new_id , "/logo${NUM}.png") #????
+    png_to_pdf(png_top = "TODO" ,png_list = "TODO" ,cluster_ids = cluster_ids, new_id = new_id, out = out )
   })
-  
+
 }
 
 
@@ -89,6 +90,3 @@ png_to_pdf_set_up <- function(png_top, png_list, index_file){
 if (!interactive()) {
   png_to_pdf_set_up(opt$png_new, opt$png_old , opt$index)
 }
-
-
-