Fix to make sure mitosis edges are always part of valid split list. Also added...

Fix to make sure mitosis edges are always part of valid split list. Also added specific error for relink tracks being empty.

src/MATLAB/+Segmentation/+ResegFromTree/FindFrameReseg.m

@@ -127,7 +127,8 @@ function newEdges = FindFrameReseg(t, curEdges)
         chkDist = zeros(desiredCellCount(splitIdx(i)),1);
         for j=1:desiredCellCount(splitIdx(i))
             chkDist(j) = Segmentation.ResegFromTree.GetLongOverlapDist(desirers{splitIdx(i)}(j), nextHulls(splitIdx(i)));
-            if ( chkDist(j) < 2.0 )
+            bIsMitParent = any(desirers{splitIdx(i)}(j) == mitosisParents);
+            if ( chkDist(j) < 2.0 || bIsMitParent )
                 validSplitCount = validSplitCount + 1;
                 validDesirers = [validDesirers desirers{splitIdx(i)}(j)];
             end

src/MATLAB/+Segmentation/+ResegFromTree/LinkupEdges.m

@@ -26,7 +26,11 @@ function newPreserveTracks = LinkupEdges(edges, preserveTracks)
         childrenTracks = relinkList{i};
         
         childrenTimes = [CellTracks(childrenTracks).startTime];
-        if ( length(childrenTimes) > 1 )
+        if ( length(childrenTracks) ~= length(childrenTimes) )
+            error('Empty-track in relink list');
+        end
+        
+        if ( length(childrenTracks) > 1 )
             Families.ReconnectParentWithChildren(parentTrack, childrenTracks);
             newPreserveTracks = [newPreserveTracks childrenTracks];
         else