LibRaw technical support

Stable LibRaw versions: technical support, errors, API questions

Compile once for i386 and x86_64

Hi, I am using libraw in one of my projects on Mac OS X.
I want to build my mac app in Xcode with architecture set to "Stand(32/64-bit Intel)", so that I need to compile libraw that can be linked in both 32 and 64 bits environment. But at this moment, I can compile either i386 version or x86_64 version, i can not make it compile once for both architectures.
Can anyone help me? Many thanks!

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Do libraw manipulate the colors when loading? possible histogram normalize?

I created a little program that loads our .NEF images into OpenCV Mat objects. I also tried to use the samples coming with the source for converting to tiff or ppm. All 3 gave the same results, that the image looks like its been normalized in some way.

The image can be seen at https://04o62a.dm1.livefilestore.com/y2p7TPrRkirmyRkqZWfcwKZCK0Htr9OwJMe...

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libraw .Net assembly

Might anyone have a .Net assembly (dll) of libraw that I can reference in Visual Studio projects? I attempted to compile the libraw source in VS 2005, but ran into many errors and I don't think I am experienced enough to pull it off.

I can in principle use libraw.dll in my VB.net applications, but I found that translating the header files is quite a lot of work.

Thanks. Nathan

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serial id

Hi,
is it possible to get the serial id of a Nikon camera? I used:

LibRaw libRaw;
libRaw.open_file( "c:\\temp\\d800.nef" );

to gain access to the exif information but did not notice a camera serial id. Irfanview also uses dcraw and it is able to detect the serial id.
Thanks for any help,
Patrick

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What is the format of GPS Data?

What is contained in the unsigned gpsdata[32];?

How do I interpret the numbers? Is there any documentation related to this?

Here is an example -

GPS:32
GPS:1
GPS:112393
GPS:10000
GPS:0
GPS:1
GPS:104
GPS:1
GPS:253126
GPS:10000
GPS:0
GPS:1
GPS:18
GPS:1
GPS:35
GPS:1
GPS:4800
GPS:100
GPS:1204
GPS:1
GPS:538976288
GPS:538976288
GPS:32
GPS:875638834
GPS:976302138
GPS:13361
GPS:0
GPS:0
GPS:0
GPS:78
GPS:87
GPS:0

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