I had built up a new gantt chart today.
More details of the Communication and Data Manipulation engine

The content that will be futher explained or missing in the stage report

In the documentation of detailed design, the following are the items that will be further explained or added.

In the data design, the floor plan section have something need to be explained further.
(how to store the height of the wall?)

The data structure of scenegraph will be added.

The data structure of light information will be further explained
(how to encode the information, binary or plain text or XML?
The data type(int,float,string)?
The range of data(maximum,minimum)?
The attribute name?
The usage?)

The GUI design will be explained further?
(What criteria have been concerned?
How to avoid user to input invalid data?
Which are the optional and mandatory field?
How to make GUI I18N,internationalization?The GUI may be displayed in traditional chinese or simpified chinese?