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#1 Posted : Friday, February 13, 2009 2:29:56 AM(UTC)
jackyzhang

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Posts: 6


Hi,
I need to measure the lenght, perimeter and surface area of the AnnObjects and of the region. I just referenced image in the right AnnUnit, but I don't try method or class for my purpose.
I'm using C DLL with LT 16 Document toolkit. 

Thanks

 

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#2 Posted : Sunday, February 15, 2009 7:21:24 AM(UTC)

Adam Boulad  
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For closed objects that have an area, such as ellipse or rectangle, you can use the L_AnnGetArea function to obtain the area.

Other than that, there are no general-purpose functions that work with object types. If the object has a ruler in it (Ruler, Protractor, Crossproduct and Polyruler), you can use the L_AnnGetDistance2 function.

About perimeter, there are no function to calculate it directly. You can only get the bounding rectangle using L_AnnGetBoundingRect.
 
#3 Posted : Thursday, March 5, 2009 3:21:41 AM(UTC)
jackyzhang

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Posts: 6


thanks for your reply.
 
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