Changed value to color where relevant

align.m

-function [Vals,Offs,varargout] = align(Vals,Offs,filter,varargin)
+function [Cols,Offs,varargout] = align(Cols,Offs,filter,varargin)
 %ALIGN Summary of this function goes here
 %   Detailed explanation goes here
 
 nvararg = nargin-3;
-numVal = numel(Vals);
-Maxs = cell(size(Vals));
+numLab = numel(Cols);
+Maxs = cell(size(Cols));
 
-for val = 1:numVal
-    if ~isempty(Vals{val})
+for lab = 1:numLab
+    if ~isempty(Cols{lab})
         break
     end
 end
 
-Off_ = Offs{val};
-numDim = numel(Off_);
-Max_ = size(Vals{val});
-Max_(end+1:numDim) = 1;
-Max_ = Max_+Off_;
+Off = Offs{lab};
+numDim = numel(Off);
+Max = size(Cols{lab});
+Max(end+1:numDim) = 1;
+Max = Max+Off;
 
-for val = 1:numVal
-    if isempty(Vals{val})
+for lab = 1:numLab
+    if isempty(Cols{lab})
         continue
     end
     
-    Maxs{val} = size(Vals{val});
-    Maxs{val}(end+1:numDim) = 1;
-    Maxs{val} = Maxs{val} + Offs{val};
+    Maxs{lab} = size(Cols{lab});
+    Maxs{lab}(end+1:numDim) = 1;
+    Maxs{lab} = Maxs{lab} + Offs{lab};
     
-    Off_ = min(Offs{val},Off_);
-    Max_ = max(Maxs{val},Max_);
+    Off = min(Offs{lab},Off);
+    Max = max(Maxs{lab},Max);
 end
 
 varargout = varargin;
 
-for val = 1:numVal
-    if isempty(Vals{val})
+for lab = 1:numLab
+    if isempty(Cols{lab})
         continue
     end
     
-    padPre  = Offs{val}-Off_;
-    padPost = Max_-Maxs{val};
+    padPre  = Offs{lab}-Off;
+    padPost = Max-Maxs{lab};
     
     padPre (~filter) = 0;
     padPost(~filter) = 0;
     
-    Vals{val} = padarray(Vals{val},padPre ,nan,'pre' );
-    Vals{val} = padarray(Vals{val},padPost,nan,'post');
+    Cols{lab} = padarray(Cols{lab},padPre ,nan,'pre' );
+    Cols{lab} = padarray(Cols{lab},padPost,nan,'post');
     
     for it = 1:nvararg
-        varargout{it}{val} = padarray(varargout{it}{val},padPre ,nan,'pre' );
-        varargout{it}{val} = padarray(varargout{it}{val},padPost,nan,'post');
+        varargout{it}{lab} = padarray(varargout{it}{lab},padPre ,nan,'pre' );
+        varargout{it}{lab} = padarray(varargout{it}{lab},padPost,nan,'post');
     end
     
-    Offs{val} = Off_;
+    Offs{lab} = Off;
 end
 end
\ No newline at end of file

join.m

-function [Val,Lab,Off,varargout] = join(Vals,Labs,Offs,varargin)
+function [Col,Lab,Off,varargout] = join(Cols,Labs,Offs,varargin)
 %JOIN Summary of this function goes here
 %   Detailed explanation goes here
 
@@ -7,35 +7,35 @@ numLab = numel(Labs);
 Sizes = cell(1,numLab);
 
 for lab = 1:numLab
-    if ~isempty(Vals{lab})
+    if ~isempty(Cols{lab})
         break
     end
 end
 
 Off = Offs{lab};
-Max = size(Vals{lab});
+Max = size(Cols{lab});
 numDim = numel(Offs{lab});
 Max(end+1:numDim) = 1;
 Max = Off+Max;
 
 for lab = 1:numLab
-    if isempty(Vals{lab})
+    if isempty(Cols{lab})
         continue
     end
     
     Off = min(Off,Offs{lab});
-    Sizes{lab} = size(Vals{lab});
+    Sizes{lab} = size(Cols{lab});
     Sizes{lab}(end+1:numDim) = 1;
     Max = max(Max,Offs{lab}+Sizes{lab});
 end
 
 Size = Max-Off;
 
-[Val,varargout{1:nvararg}] = deal(nan(Size));
+[Col,varargout{1:nvararg}] = deal(nan(Size));
 Lab = zeros(Size);
 
 for lab = 1:numLab
-    if isempty(Vals{lab})
+    if isempty(Cols{lab})
         continue
     end
     
@@ -47,7 +47,7 @@ for lab = 1:numLab
     inds = sub2ind(Size,GV{:});
     inds = inds(Mask(:));
     
-    Val(inds) = Vals{lab}(Mask(:));
+    Col(inds) = Cols{lab}(Mask(:));
     Lab(inds) = Labs{lab}(Mask(:));
     
     for it = 1:nvararg

split.m

-function [Vals,Labs,Offs,varargout] = split(Val,Lab,Off,varargin)
+function [Cols,Labs,Offs,varargout] = split(Col,Lab,Off,varargin)
 %SPLIT Summary of this function goes here
 %   Detailed explanation goes here
 
 nvararg = nargin-3;
 numDim = numel(Off);
 numLab = max(Lab(:));
-[Vals,Labs,Offs,varargout{1:nvararg}] = deal(cell(1,numLab));
+[Cols,Labs,Offs,varargout{1:nvararg}] = deal(cell(1,numLab));
 
 Offs(:) = deal({Off});
 
@@ -14,7 +14,7 @@ for lab = 1:numLab
         continue
     end
     
-    [Vals{lab},gv] = utils.tighten(Val,Lab==lab);
+    [Cols{lab},gv] = utils.tighten(Col,Lab==lab);
     Labs{lab} = Lab(gv{:});
     gv(end+1:numDim) = deal({1});
     Offs{lab} = Off-1+cellfun(@(v) v(1),gv);