Using DNG Format to full potential

This has been mentioned before but I'd like to re-iterate it.
I can see no reason why LR should not be using the high quality previews, embedded in DNG file, at least as an option, when it comes to generating web galleries. Parsing the full RAW data to create a little web image is total overkill when the jpeg preview in the DNG file is available.
The DNG preview is already full created from the RAW file as opposed to the less than optimal internal camera previews. The colours are the same, there is plenty of data available so why not use them. After all Adobe invented DNG so who better to fully use their benefits.
As an example a recent gallery of 140 (Canon 5D) DNG files took 35 mins to create in LR. Each web jpeg image was created from the full RAW data like a full sized tiff would be. However, using Photo Mechanic, which I know can only use the DNG previews, took 2 mins. The results were identical in colour and quality.
This is no hair splitting - 17 times faster is a big deal.
Nick Rains
Australia

No arguement here...!

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Hi
I was wondering what other people's thoughts were on the continued usefulness of the DNG format now that we have LR.
Obviously the DNG is still useful if you want to export a RAW image file with all its development settings without using a sidecar file. But is there any reason to convert all your RAW files into DNG files if all of your adjustments (and preview images) are going to be stored in the LR database anyway?
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But you don't have to. If you use Bridge for example, Bridge takes care of the Previews and you do not need a preview in the DNG
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2. In B2 use Conditional Format: "Equal To" cell C2 and set your text and fill attributes to be used when the box in A is checked.
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As a workaround I downloaded the Adobe DNG converter in the belief that the DNG format could be imported into Aperture. The converter lists a range of output options from Camera RAW 2.1 up to 7.1. None work with Aperture 3.4.5.
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Must be converted the RAW file in DNG and then reset the ACR values before apply the camera recipe created ?
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"What is the nearest original Adobe profile that is so "equal" to the GM one you obtain?"
what i want to say is that when i open the file raw in ACR i see some colors. when i apply the profile generated by PE, i see about the sames colors. i notice that the colors are about the same without the profile (little differences i see in the darken tones but only in the ACR graphic). this with my D700. with the D200 the differences before to apply the profile and after are strong, visible.
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"What is the nearest original Adobe profile that is so "equal" to the GM one you obtain?"
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If there is no simple workaround to achieve this, is there any chance for future SDK versions to support nonpower of 2 pixel bit depth?
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> See these specifications for more information on TIFF and TIFF-EP
I do know that specification. However, DNG deviates from the normal TIFF in enough points to warrant explicite specifications, particularly because several cameras' raw data is compressed in like but not identical ways.
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