taskGNU Astronomy Utilities - Tasks: task #13867, Infix notation for ImageArithmetic


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task #13867: Infix notation for ImageArithmetic

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Tue 26 Jan 2016 06:24:28 AM UTC  
Should Start On:  Mon 25 Jan 2016 03:00:00 PM UTC Should be Finished on:  Mon 25 Jan 2016 03:00:00 PM UTC
Category:  Arithmetic Priority:  5 - Normal
Item Group:  Enhancement Status:  Postponed
Privacy:  Public Percent Complete:  0%
Assigned to:  None Open/Closed:  Open
Effort:  0.00

Tue 26 Jan 2016 06:24:28 AM UTC, original submission:  

In task #13574 a program to do image arithmetic was created (ImageArithmetic). But to be simply implemented it uses the postfix or reverse polish notation. Therefore as explained in that task, it is important for easy usability that it change the notation to the Infix notation where the operators are placed between the operands and it includes parenthesis. As explained in that task, a good way to do this might be through the Shunting-yard algorithm which translates infix notation to postfix notation which ImageArithmetic currently uses:


There is a very nice explanation with a full program here:


Mohammad Akhlaghi <makhlaghi>
Project Administrator


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