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calculations with Document variables?

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

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bbarbour

(@bbarbour)

Posts: 13

Eminent Member

Topic starter

Is it possible to do simple calculations with document variables and store the result in a document variable? I have tried many approaches, and can't get the result to store to a variable.

I have a data field that works perfectly, with the following MEL expression:

{val(DOCUMENT.HIGH)/val(DOCUMENT.LOW)}

Where DOCUMENT.HIGH, and DOCUMENT.LOW are defined as positive real numbers.

The results display as decimals, to two decimal places, just like I want them.

I really need to be able to store the result in another document variable to write in a sentence in the chart note, and assign to an OBSTERM for later retrieval.

attempts include:

{DOCUMENT.RATIO = (val(DOCUMENT.HIGH/val(DOCUMENT.LOW))}

{OBSNOW("OBSTERM",val(DOCUMENT.HIGH/val(DOCUMENT.LOW))}

{DOCUMENT.RATIO = (eval(val(DOCUMENT.HIGH/val(DOCUMENT.LOW)))}

among many, many others.

No matter what I've tried, I can't get the calculation to process except for as a standalone MEL expression. I've tried every approach I can think of, and read and reread the MEL guide to no avail.

Any help would be greatly appreciated!

Bentley
Cascade Eye Center
Columbia River Gorge, Oregon

Posted : July 31, 2015 5:16 pm

gibsonmi

(@gibsonmi)

Posts: 827

Prominent Member

Try -
{DOCUMENT.RATIO = str(val(DOCUMENT.HIGH)/val(DOCUMENT.LOW))}

And make sure DOCUMENT.RATIO is declared first, either as a form field or with
{!DOCUMENT.RATIO} also in the code panel

Posted : August 3, 2015 4:24 am

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