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#1 Posted : Friday, December 19, 2008 4:24:35 AM(UTC)

lili  
lili

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Hi,

After I draw a region on the image, I want to rotate / flip the image with the region togather.
But now the result is not what I want.
How could I implement it?

Thanks.
 

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#2 Posted : Sunday, December 21, 2008 4:23:10 AM(UTC)

Adnan Ismail  
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Which version of LEADTOOLS and which LEADTOOLS programming interface (DLL API, C++ Class Library, .NET , etc.) are you using?
Also, can you tell me how exactly you are rotating the image and creating the region on it?

 
#3 Posted : Tuesday, January 6, 2009 5:15:12 AM(UTC)

lili  
lili

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I am using the latest 14.5 C++ classlib.
The rotation and flipping are implemented using ViewPerspective.
What feature I want is drawing a region and cropping the region.
But after draw a region on a image, if rotate the image, the position of the region is not correct.
 
#4 Posted : Wednesday, January 7, 2009 4:25:51 AM(UTC)

Adnan Ismail  
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Can this issue be reproduced using one of our demos? If yes, can you give me details on how to reproduce it?
If the problem appears in your code only, please try to isolate it in a very small test project (not your full application) and send it to me in a ZIP or RAR file.
 
#5 Posted : Wednesday, January 7, 2009 5:15:08 AM(UTC)

lili  
lili

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Posts: 23


In your Main Raster Demo, if you draw a region on the image, the fast rotation menu items are disable.
That means you don't support fast rotation in this situation. You only support to rotate/flip the region when a region is drawn.
If so, we'd better disable rotation/flip functions.
 
#6 Posted : Thursday, January 8, 2009 6:09:06 AM(UTC)

Adnan Ismail  
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The fast rotation and fast flipping features (using View Perspective) do not work on regions, they only work on the full image.
 
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