On July 10, 2018 10:07:07 PM HST, Erik Krause <erik.kra...@gmx.de> wrote:
>Am 10.07.2018 um 17:10 schrieb Albert Szostkiewicz:
>> Personally I am interested in stitching 360 full, true HDR images. I
>> hoping to stitch and get as much of original data as I can. With
>> eg. I am able to throw my Canon RAWs directly and proper exposure
>> being applied. With Hugin I am forced to use 3rd party apps for
>> into TIFF or other format witch adds one more step of possible
>raw data is by no means image data, it's the raw reading from the
>and it's awful. PTGui uses dcraw for conversion, which does a very
>job. Using dcraw you loose almost all benefits of shooting raw
>correction of chromatic aberration, moiré, white balance, dead or hot
>pixels, highlight restoration or noise reduction. You might well get
>better images using jpeg straight from the camera. You don't get the
>full dynamic range either, since dcraw clips all channels to the lowest
>channel (thus avoiding a tint in clipped highlights). It is far better
>to use a decent and dedicated raw converter.
Well, I think dcraw actually is a dedicated raw converter (it doesn't do
anything else) and certainly seems to offer a lot of command line options
(including dead or hot pixels, noise reduction, highlight clipping/no
By the way, a blown highlight in a RAW file is a hard max value, not a color
value outside the limits of a particular color space the way it would be in a
Still, I prefer a more interactive and visual process. Color, sharpening,
contrast/microcontrast, noise reduction - all very much determined by how the
image looks. Rawtherapee lets me come up with (say) base settings for a
panorma's component images and apply them en masse, then tweak each image as
needed, then batch convert.
David W. Jones
wandering the landscape of god
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