Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
calculate_lookup_table [2011/07/26 19:14]
hermann 		calculate_lookup_table [2011/11/30 20:36] (current)
hermann [Notes]
Line 21: Line 21:
 ===== Notes ===== ===== Notes =====
  
-If the calculation of the expression diverges, the corresponding table key is not inserted in the output table.+The table defined using the identifier 1, i.e. the table corresponding to "​t1"​ in the calculation,​ is used to define the format of the resulting table. 
 + 
 +If the calculation of the expression diverges, the corresponding table key is not inserted in the output table. So, when possible way to remove a key from a table is returning //null//.
  
 The list of mathematical and logical operators that can be employed in the logic/​algebraic expression can be found in the [[Image Expression Type | image expression reference]]. Note that the operators and functions described in [[Image Expression Type#Image Operators and Functions | Image Operators and Functions]] ​ and [[Image Expression Type#Image Neighborhood Functions The list of mathematical and logical operators that can be employed in the logic/​algebraic expression can be found in the [[Image Expression Type | image expression reference]]. Note that the operators and functions described in [[Image Expression Type#Image Operators and Functions | Image Operators and Functions]] ​ and [[Image Expression Type#Image Neighborhood Functions
Line 27: Line 29:
  
 The tables used by the "​Calculate Lookup Table" must be provided by a corresponding [[Number Table]] and the values must be provided by a corresponding [[Number Value]]. The tables used by the "​Calculate Lookup Table" must be provided by a corresponding [[Number Table]] and the values must be provided by a corresponding [[Number Value]].
 +
  
 ===== Internal Name ===== ===== Internal Name =====