Generating a CIELAB colour map

Hi there, I need to generate a CIELAB space colour map . . .which will then be used to generate a colour wheel from the CIELAB space as well. The code I currently have (left from a previous coworker) generated a colour space in HSV ( I have included this code below). I'm sorry for the rudimentary nature of this question, but I don't really understand how to go about generating the map. Any feedback here would be appreciated! Thanks in advance!

for i = 1:252

    val = 1/252*i

H = val; S = 1; V = 1;

if S == 0 %HSV from 0 to 1 R = V * 255; G = V * 255; B = V * 255; else

   var_h = H * 6;
   if ( var_h == 6 )  
       var_h = 0;      %//H must be < 1
   end
   var_i = floor( var_h );             %//Or ... var_i = floor( var_h );
   var_1 = V * ( 1 - S );
   var_2 = V * ( 1 - S * ( var_h - var_i ) );
   var_3 = V * ( 1 - S * ( 1 - ( var_h - var_i ) ) );

   if      ( var_i == 0 ) 
       var_r = V     ; 
       var_g = var_3 ; 
       var_b = var_1        ;
   elseif ( var_i == 1 ) 
       var_r = var_2 ; 
       var_g = V     ;
       var_b = var_1       ;
   elseif ( var_i == 2 ) 
            var_r = var_1 ; 
            var_g = V     ; 
            var_b = var_3 ;
       elseif ( var_i == 3 )  
           var_r = var_1 ; 
           var_g = var_2 ; 
           var_b = V     ;
       elseif ( var_i == 4 )  
           var_r = var_3 ; 
           var_g = var_1 ; 
           var_b = V     ;
   else    
        var_r = V     ; 
        var_g = var_1 ; 
        var_b = var_2 ;
       end

   R = var_r * 255     ;            % //RGB results from 0 to 255
   G = var_g * 255;
   B = var_b * 255;

end

newmap(i,1:3) = [R G B];

end;