This widget is a checkbox to activate the writing of 
intermediate result fields in a file having the extension ".rdt".
 Not activating it corresponds to 
no intermediate result fields.
Checking this checkbox will make activate the following widgets:
-  A combo-box to choose between three options 
-  A field to enter information coherent with the choice made in the combo-box 
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 SYRTHES version   : VERSION_SYRTHES
 Name help file  : Tf_cb_3D_Op.html
 I. Rupp, C. Peniguel  -  may 2014
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