Update README.md

juw15008 · Dec 16, 2015 · 02e8b34 · 02e8b34
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@@ -17,3 +17,9 @@ We create an interface by controlP5 and realize such functions:
   Other detail...
 
 Here is not the final version. We will improve the function of it and realize the set points by mouse press later before the deadline.
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+# Additional Remarks
+  We add the function that display a point in the 3D space by press mouse. 
+  When click the mouse it will display the node in the interface and the previous coordinate system will be hide. And the detail of the points (x-value, y-value, z-value) will be showed in the function box. We also hide the cursor avoid its influence on displaying.
+  Clearly, the points will be bigger if it come to the direction of the user and be smaller if it come far away from the user.
+