Index: /trunk/src/find_file_series.m
===================================================================
--- /trunk/src/find_file_series.m	(revision 553)
+++ /trunk/src/find_file_series.m	(revision 554)
@@ -190,4 +190,10 @@
                 end
             end
+            if i1==0
+                i1=-1;% set index 0 to -1 to distinguish from the absent index (set to 0)
+            end
+            if j1==0
+                j1=-1;% set index 0 to -1 to distinguish from the absent index (set to 0)
+            end
             i1_series(ref_i+1,ref_j+1,nb_pairs+1)=i1;
             if ~isempty(i2_input)
Index: /trunk/src/series.m
===================================================================
--- /trunk/src/series.m	(revision 553)
+++ /trunk/src/series.m	(revision 554)
@@ -593,23 +593,23 @@
 
 %% display the min and max indices for the file series
-if size(i1_series,2)==1
+if size(i1_series,2)==2 && min(min(i1_series(:,1,:)))==0
     MinIndex_j=1;
-    MaxIndex_j=1; 
-    MinIndex_i=min(find(i1_series));
-    MaxIndex_i=max(find(i1_series));
-else
-pair_max=squeeze(max(i1_series,[],1)); %max on pair index
-j_max=max(pair_max,[],1);
-%i_sum=sum(sum(i1_series,2),1);%sum of i1_series on the last index
-MaxIndex_i=max(find(j_max))-1;% max ref index i
-MinIndex_i=min(find(j_max))-1;% min ref index i
-diff_i_max=diff(j_max);
+    MaxIndex_j=1;
+    MinIndex_i=find(i1_series(:,2,:), 1 )-1;
+    MaxIndex_i=find(i1_series(:,2,:), 1, 'last' )-1;
+else
+    pair_max=squeeze(max(i1_series,[],1)); %max on pair index
+    j_max=max(pair_max,[],1);
+    %i_sum=sum(sum(i1_series,2),1);%sum of i1_series on the last index
+    MaxIndex_i=find(j_max, 1, 'last' )-1;% max ref index i
+    MinIndex_i=find(j_max, 1 )-1;% min ref index i
+    diff_i_max=diff(j_max);
     if isequal (diff_i_max,diff_i_max(1)*ones(size(diff_i_max)))
         set(handles.num_incr_i,'String',num2str(diff_i_max(1)))
     end
-i_max=max(pair_max,[],2);
-MaxIndex_j=max(find(i_max))-1;% max ref index i
-MinIndex_j=min(find(i_max))-1;% min ref index i
-diff_j_max=diff(i_max);
+    i_max=max(pair_max,[],2);
+    MaxIndex_j=max(find(i_max))-1;% max ref index i
+    MinIndex_j=min(find(i_max))-1;% min ref index i
+    diff_j_max=diff(i_max);
     if isequal (diff_j_max,diff_j_max(1)*ones(size(diff_j_max)))
         set(handles.num_incr_j,'String',num2str(diff_j_max(1)))
@@ -618,4 +618,10 @@
 MinIndex=get(handles.MinIndex,'Data');%retrieve the min indices in the table MinIndex
 MaxIndex=get(handles.MaxIndex,'Data');%retrieve the max indices in the table MaxIndex
+if isequal(MinIndex_i,-1)
+    MinIndex_i=0;
+end
+if isequal(MinIndex_j,-1)
+    MinIndex_j=0;
+end
 MinIndex{iview,1}=MinIndex_i;
 MinIndex{iview,2}=MinIndex_j;
@@ -743,8 +749,10 @@
             TimeTable{iview,1}=time(MinIndex_i,MinIndex_j);
         end
-        TimeTable{iview,2}=time(first_i,first_j);
-        TimeTable{iview,3}=time(last_i,last_j);
+        if size(time)>=[last_i last_j]
+            TimeTable{iview,2}=time(first_i,first_j);
+            TimeTable{iview,3}=time(last_i,last_j);
+        end
         if size(time)>=[MaxIndex_i MaxIndex_j];
-        TimeTable{iview,4}=time(MaxIndex_i,MaxIndex_j);
+            TimeTable{iview,4}=time(MaxIndex_i,MaxIndex_j);
         end
     end
Index: /trunk/src/uvmat.m
===================================================================
--- /trunk/src/uvmat.m	(revision 553)
+++ /trunk/src/uvmat.m	(revision 554)
@@ -2295,5 +2295,5 @@
     end
     siz=size(UvData.XmlData{1}.Time);
-    if ~isempty(num_i1)&& ~isempty(num_i2)&&siz(1)>=max(num_i1,num_i2) && siz(2)>=max(num_j1,num_j2)
+    if ~isempty(num_i1)&& ~isempty(num_i2) && num_i1>0 &&siz(1)>=max(num_i1,num_i2) && siz(2)>=max(num_j1,num_j2)
         abstime=(UvData.XmlData{1}.Time(num_i1,num_j1)+UvData.XmlData{1}.Time(num_i2,num_j2))/2;%overset the time read from files
         dt=(UvData.XmlData{1}.Time(num_i2,num_j2)-UvData.XmlData{1}.Time(num_i1,num_j1));