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standard surveying angle format



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I thought I'd explaination of why this is important, as programming types rarely get it.

First the reason for the format: reversability in the field and when tracing a course in the office. You frequently follow bearings in the opposite direction from that in which they were established.

So N 20? 13' 32" E

reverses to S 20? 13' 32" W with no funky base 60 math and no chance of error.

The same in vectorworks format

woud be 90?- 20? 13' 32"= 79? 46' 28'

to reverse you must do 180? + 20? 13' 32' = 200? 13' 32"

Try doing that all day without making an error.

Or try entering a property plat with several hundred segments translating each one into vectorworks format. It will take a day and leave you with a migrain.

Then when you want to share the result with a professional, you have to translate everything back into standard format and lable each seqment by hand, because he or she isn't going to waste timne w vectorworks format, they'll just tell you to get professionmal software.

It is a rare building project that doesn't involve property boundaries.

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