diff --git a/src/thematic_analysis/circos_AI.R b/src/thematic_analysis/circos_AI.R
index a3fb182b41e4ded3628323e15676e241a0cdc0df..b8118695e0fb2aa144e8095053a79a7fd8a21fc3 100755
--- a/src/thematic_analysis/circos_AI.R
+++ b/src/thematic_analysis/circos_AI.R
@@ -105,7 +105,6 @@ calculate.relative.big.gap = function(padiweb.links.csv.filepath, healthmap.link
 #
 ########################################################################
 prepare.input.for.chord.diagram = function(events.filepath, events.adjusted.filepath, links.filepath, year.of.interest, countries.of.interest, time.interval.col.name){
-
     df = read.csv(file=events.filepath, sep=";", header=T, check.names=F, stringsAsFactors=F)
     #df[,c(time.interval.col.name)] = df[,c(time.interval.col.name)] + 1 # because it starts from 0
     time_interval_values = sapply(df[,c(time.interval.col.name)], function(x) unlist(strsplit(x, "_"))[1]) # we remove the year value
@@ -115,6 +114,7 @@ prepare.input.for.chord.diagram = function(events.filepath, events.adjusted.file
     df[which(df[,"disease subtype"] == ""),"disease subtype"] = paste0(df[which(df[,"disease subtype"] == ""),"disease"], "-unknown")
     df[which(df[,"host subtype"] == ""),"host subtype"] = paste0(df[which(df[,"host subtype"] == ""),"host"], "-unknown")
 
+
     # ================================================================
 
     # ======================================================
@@ -131,7 +131,9 @@ prepare.input.for.chord.diagram = function(events.filepath, events.adjusted.file
     df = df[which(grepl("AI", df[,"disease"], fixed = TRUE)),]
 
     df = df[which(df[,"host"] == "bird"),]
+
     df = df[order(df[,"country"]),]
+
     if(!is.na(year.of.interest))
         df = df[which(df[,"year"] == year.of.interest),]
 
@@ -141,6 +143,7 @@ prepare.input.for.chord.diagram = function(events.filepath, events.adjusted.file
     df[,"disease"] = "AI"
 
 
+
     # ================================================================
 
     df1 = df[,c("region","disease subtype","country","disease",time.interval.col.name)]
@@ -415,12 +418,14 @@ plot.chord.diagram.for.platforms <- function(padiweb.events.filepath, promed.eve
     create.chord.diagram(empresi.events.adjusted.filepath, empresi.links.filepath, empresi.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
 
+    print("padiweb vs promed")
+
     # ==============
     # padiweb vs promed
     # ==============
     padiweb.output.filepath = file.path(out.padiweb.promed.folder, paste0("padiweb_events_",year.of.interest,".pdf"))
-    small.gap = 0.5
-    big.gap = 4 # I know that there are a lot of entries for padiweb, so I put a small value of 'big.gap' for this plot
+    small.gap = 4
+    big.gap = 40 # I know that there are a lot of entries for padiweb, so I put a small value of 'big.gap' for this plot
     create.chord.diagram(padiweb.events.adjusted.filepath, padiweb.links.filepath, padiweb.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
     promed.output.filepath = file.path(out.padiweb.promed.folder, paste0("promed_events_",year.of.interest,".pdf"))
@@ -428,16 +433,17 @@ plot.chord.diagram.for.platforms <- function(padiweb.events.filepath, promed.eve
     ##   Note that, small.gap should be the same for both cases
     rel.gap = calculate.relative.big.gap(padiweb.links.filepath, promed.links.filepath, small.gap, big.gap)
     big.gap = rel.gap
-    create.chord.diagram(promed.events.adjusted.filepath, promed.links.filepath, promed.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
-
+    if(big.gap>0)
+        create.chord.diagram(promed.events.adjusted.filepath, promed.links.filepath, promed.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
+    print("empres-i vs padiweb")
 
     # ==============
     # empres-i vs padiweb
     # ==============
     empresi.output.filepath = file.path(out.padiweb.empresi.folder, paste0("empres-i_events_",year.of.interest,".pdf"))
-    small.gap = 0.5
-    big.gap = 4
+    small.gap = 4
+    big.gap = 40
     create.chord.diagram(empresi.events.adjusted.filepath, empresi.links.filepath, empresi.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
     padiweb.output.filepath = file.path(out.padiweb.empresi.folder, paste0("padiweb_events_",year.of.interest,".pdf"))
@@ -445,16 +451,17 @@ plot.chord.diagram.for.platforms <- function(padiweb.events.filepath, promed.eve
     ##   Note that, small.gap should be the same for both cases
     rel.gap = calculate.relative.big.gap(empresi.links.filepath, padiweb.links.filepath, small.gap, big.gap)
     big.gap = rel.gap
-    create.chord.diagram(padiweb.events.adjusted.filepath, padiweb.links.filepath, padiweb.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
-
+    if(big.gap>0)
+        create.chord.diagram(padiweb.events.adjusted.filepath, padiweb.links.filepath, padiweb.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
+    print("empres-i vs promed")
 
     # ==============
     # empres-i vs promed
     # ==============
     empresi.output.filepath = file.path(out.promed.empresi.folder, paste0("empres-i_events_",year.of.interest,".pdf"))
-    small.gap = 0.5
-    big.gap = 4
+    small.gap = 4
+    big.gap = 40
     create.chord.diagram(empresi.events.adjusted.filepath, empresi.links.filepath, empresi.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
     promed.output.filepath = file.path(out.promed.empresi.folder, paste0("promed_events_",year.of.interest,".pdf"))
@@ -462,7 +469,8 @@ plot.chord.diagram.for.platforms <- function(padiweb.events.filepath, promed.eve
     ##   Note that, small.gap should be the same for both cases
     rel.gap = calculate.relative.big.gap(empresi.links.filepath, promed.links.filepath, small.gap, big.gap)
     big.gap = rel.gap
-    create.chord.diagram(promed.events.adjusted.filepath, promed.links.filepath, promed.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
+    if(big.gap>0)
+        create.chord.diagram(promed.events.adjusted.filepath, promed.links.filepath, promed.output.filepath, colors.for.group, small.gap, big.gap, year.of.interest, time.interval.col.name)
 
 }