how important is the diagonal plane of SW?

[Gan Lu]

Hi val;

   I'm on the verge of my thesis writing up for my research, and the Direct SignWritng system development is forming its shape. Some systematic testing and evaluations are conducting tensely recently to summarise my work. 

  While our developed system's reference planes are divided into two, the wall and floor plane, we are aware there is another reference plane which is the 'diagonal plane', although it is seldom to see such plane in the SW literature. Is that possible to know how import or how often this plane is used in SW? 

  The reason I'm asking is that I'm personally reluctant to implement it in my system by now, for it requires huge amount of work to do and will put off my deadline greatly. My intention is to demonstrate these two developed reference planes only at this stage to show the capability of the system, for we are not a company to produce a product after all, which should cover all functions. 
 
   I would like to hear other people's opinion in terms of how important the 'diagonal plane' for SW as well. 


Thanks very much for you all

   Gan
University of Central Lancashire

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