Get DNG Date Created from dng sdk
I have successfully compiled the dng sdk and the validate app and I wondered what is a simple way to just get the date created out?
View ArticleCrash when creating a Lossless-jpeg compressed DNG
Hi all, everything is in the title i guess. I work on a legacy system, using DNG SDK 1.1 (upgrading is not an option). The software was originally desgined under win, and is now ported to mac os X....
View ArticleFrom dng_image to pixel buffer?
Various things of the DNG SDK return a dng_image. The stage1, stage2 and stage3 are an RGB image. And if you use dng_render, you also get a dng_image. I'd like to get a buffer of pixels (with for...
View ArticleThe current DNG Profile Editor cannot interpret 7.1 raw settings
Hi, I am frustrated that the DNG Profile Editor is not able to apply Lightroom's or Camera Raw's settings since the new Process 2012 has been in effect. This SEVERLY limits the usefulness of the...
View ArticleRather basic question:
I'm currently writing a lens correction and image optimization program that (if everything works as planned) will perform the following functions: 1. Removal of image blurring introduced by the lens,...
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White balance
Hello, Is there any posible to read vector (rgb or hsv) witch is used for white balancing? In fact I mean light temperature witch was measured by camera. My project is based on dng_validate.exe....
View Articleraw image size > 2.147 Gb?
Hello, Is there a dng specification raw image size limit? I would like to save huge raw images. We changed the kMaxImageSide from 65000 to 300000. I know the dng's which are bigger then 65000 per size...
View Articlemonochrome dng
Hello, I have been writing my own DNG headers to raw sensor grabs successfully for a while now. These have all been CFA sensors but now I have a monochrome sensor in the mix and I would like to save...
View ArticleEnable multithreading in DNG SDK
Hi all,I have to process very fast a large amount of DNG files (couple of thousands) and I have to do this on a regular basis. The processing is a simple conversion to TIF, white balance, and all other...
View ArticleDNG/XMP AppendProperties/ApplyTemplate
I downloaded the latest DNG SDK (1.3) and XMP Toolkit SDK (CS6). The DNG SDK expects "AppendProperties", while the XMP has replaced that with "ApplyTemplate". I then tried an earlier version of the...
View ArticleSubIFD1 tags not updating
Hey, I'm currently developing code to write raw camera image data to dng files (I'm doing some processing in between so I'm not using the DNG Converter exe). I have not been able to find any tutorial...
View ArticleDNG SDK cannot write files with floating point pixels?
I'm trying to create a DNG with 32 bit floating point pixels. The reason is to create a file which is not demosaiced but contains a large dynamic range. It goes well for the major part, but it fails in...
View ArticleDNG SDK thinks 0xFFFFFFFF is invalid white level for 32 bit integers
As discussed in another message the DNG SDK does not seem to be able to write floating point DNGs. Since I need higher dynamic range than a 16 bit sample I instead went for 32 bit integers. This works,...
View ArticleNewbie - getting started
Hi,Hopefully someone can help me here. I'm looking to place either simulated or camera raw output (and here I mean a matrix of 8 or 10 bit values without debayering) into a RAW format so that I can...
View ArticleFrom Stage3Image() to sRGB color space
I get my image this way dng_image* image = (negative->Stage3Image()); I have to manimulate with it and then I want to covtert it to sRGB color space. I tryed to do gamma 2.2 and white balance with...
View ArticleDNG data production
I have a camera which delivers a data stream of pure pixel values. Pixels are 12 bit packed data.There is no header in front of the data. Software like Irfan has no problem to open it.What I search, is...
View ArticleHow to write manipulated image back to negative?
Hi all,I would like to do some simple dng raw image manipulation like black image subtraction. Therfore I though I would get the stage2 image (because working on stage1 is not correct right?) of both...
View ArticleSaving a DNG
Hello, i have opened up a DNG profile and gotten a bit of info out of it. The stream is open as readonly. I want to make 1 change to it, that is the camera profile name. So after i have done this, i...
View ArticleTransparency examples in DNG (SDK 1.4)
Hi All, I am new on this forum. I just started to assess the possibilities of DNG (and its SDK) for my photo processing pipeline. Being able to add (semi-) transparent pixels to sets of photos is one...
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How to import a real raw CFA image into a DNG ?
Hello everybody, I have searched this discussion forum and the net as good as I could, but unfortunately I was not able to find a way to import properly an absolute raw CFA image generated by an image...
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