Commented a lot

src/DepthMapNeedle.java

@@ -2,9 +2,16 @@
 
 public class DepthMapNeedle
 {
+	/**
+	 * Interprete the arguments and execute the programm
+	 * @param args
+	 */
 	public static void main(String[] args)
 	{
+		//No arguments given or '-h' as first argument -> show help text
 		if(args.length==0 || args[0].equals("-h")) help();
+		
+		//export depthmap
 		if(args.length >= 2 && args[0].equals("-e"))
 		{
 			for(int i=1; i<args.length; i++)
@@ -14,6 +21,8 @@ public class DepthMapNeedle
 				else System.err.println("There is no Depthmap in file "+args[i]);
 			}
 		}
+		
+		//export source image
 		else if(args.length >=2 && args[0].equals("-s"))
 		{
 			for(int i=1; i<args.length; i++)
@@ -23,6 +32,8 @@ public class DepthMapNeedle
 				else System.err.println("There is no unblurred source image in file "+args[i]+". Maybe this photo has not been taken with the blur function?");
 			}
 		}
+		
+		//inject depthmap
 		else if(args.length >= 3 && args[0].equals("-i"))
 		{
 			String depthmap = args[1];
@@ -36,6 +47,9 @@ public class DepthMapNeedle
 		}
 	}
 	
+	/**
+	 * Show help text
+	 */
 	public static void help()
 	{
 		System.out.println("Welcome to DepthMapNeedle!"