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Conversion of data

Posted on 2003-12-03
Medium Priority
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I have a program, that for data requirements has converted the AGE field into a 10 digit number?? I am sure it is just converted via HEX/Binary etc or something, can you help.

AGE = 1496593712

For your reference it is the conversion used for Dicom images.

Thanx
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Question by:bolox
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LVL 22

Expert Comment

ID: 9868131
One common way of saveing elapsed time is to convert it to seconds. That value interpreted as seconds yields about 47 1/2 years
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LVL 44

Expert Comment

ID: 9868619
what are the data requirements that REQUIRE you to convert AGE into a 10 digit number?

What is AGE telling you?

AW
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LVL 11

Expert Comment

ID: 9869625
DICOM uses an AS field for ages, that is an Age String.  It consists of exactly four characters which are the three digit numeric representation of the age followed by a character representing the "units":

010Y = 10 years
305D = 305 days
004W = 4 weeks
007M = 7 months

It just so happens this "number" is 4 bytes of data: 59343530 in hex.  That corresponds to the four characters Y450 which is a date string backwards

054Y = 45 years old.

Hope this helps.

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LVL 11

Expert Comment

ID: 9869637
Oops, that's 54 years old.
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LVL 1

Author Comment

ID: 9873232
KurtVon, How did you get to the result 59343530???? Fair enough i can convert this binary number to Y450, but where did the 59343530 come from??

B
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LVL 11

Accepted Solution

KurtVon earned 120 total points
ID: 9874588
That's the hexidecimal value.  How to get it depends on what you are doing.

If you are writing a program, you just need to convert the "integer" into a character array using whatever tools are in the language.  In C I would write:

char* strAge = (char*)&nAge;

In this case  I just typed it into Windows calulator in Advanced mode and hit the "hex" button.  I always do something like that when I suspect that a decimal value is really a string.  It  makes it a lot easier to see the individual characters.

Hope this helps.
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