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From Tilman Hausherr <THaush...@t-online.de>
Subject Re: calculate area of polygon
Date Sun, 15 Oct 2017 16:49:38 GMT

Sorry, I can't comment anything, because I don't know what you mean with 
"measurement area annotation" (is this in the PDF specification?), and I 
don't understand what you mean with "when the pdf is created and i move 
the annotation the value is not the same". So it was right initially? 
And how did you move it?

To verify, maybe start with a simple shape, e.g. a right triangle or a 
rectangle so you can verify who is correct.


Am 15.10.2017 um 15:18 schrieb chitgoks:
> hi all
> need input
> so i create a measurement area annotation and this is the formula i
> followed
> http://www.techbluff.com/javascript/function-to-calculate-polygon-area/
> however, when the pdf is created and i move the annotation the value is not
> the same.
> my formula for converting pixel to inches is correct since my measurement
> distance annotation computation shows correct value(distance from 1 point
> to the end).
> i just dont understand why the area calculation is incorrect. am i missing
> something else?
> please advise

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