Re: [Gimp-user] Export to DNG raw file?

On 09/25/18 01:28, Punchcard wrote:
Windows 7 Home Premium 64-bit
GIMP 2.10.6

Via darktable, GIMP can open a DNG raw file written by Vuescan.  Can GIMP export
to a DNG file?

After opening an image via darktable, I crop it.
I wish to export the result to a DNG file.

GIMP's File Type list offers "Raw image data" with extensions "data" and "raw".

Exporting to a "data" file and then opening the file produces a nonsense image.

Exporting and then opening a "raw" file produces "Image filename.raw is not
available" from darktable.  Exiting darktable produces the GIMP message "Raw
Pentax PEF plug-In could not open image".

The "raw" format that Gimp exports is just the bitmap data (more or less the TGA format without headers) and has no relationship with the "raw" image from a camera.

No real point exporting to DNG, though. Why would you want to do that? IF you want high-bit-depth storage, you can use TIFF.

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