Archived posting to the Leica Users Group, 2010/03/22

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Subject: [Leica] Photoshop Altamont -- some questions for the wisdom ofthe LUG.
From: philippe.amard at sfr.fr (philippe.amard)
Date: Tue, 23 Mar 2010 07:21:33 +0100
References: <19b6d42d1003222212u6d3ba45ar4a33c9ce2e0905c1@mail.gmail.com> <8C7AD273-39DD-4613-AA3D-E95A1B897726@gmail.com> <19b6d42d1003222229s33b8fca1o14b7ffae6be735fb@mail.gmail.com> <B85F2D8453DA4431AC74BA36F5BB1809@jimnichols> <19b6d42d1003222257k3bc75a52m5a3e0c42c79295df@mail.gmail.com> <D5024360-5CD8-4396-A0AA-D164A14A352B@gmail.com> <19b6d42d1003222316r3ac1d098n6392f18c7a3d77be@mail.gmail.com>

Le 23 mars 10 ? 07:16, Vince Passaro a ?crit :

>
> Got it.
>
> On Tue, Mar 23, 2010 at 2:00 AM, Steve Barbour <steve.barbour at gmail.com 
> >wrote:
>
>> often works to downsize to 800-1000 pixel jpeg on the longest  
>> side.....

Agreed, this is the minimum size one can assess a picture technical  
quality these days, post-stamps no longer do since the D700/M9 came out.
Phx




>>
>> then upload,
>>
>>
>> Steve
>>
>>
>>
>> On Mar 22, 2010, at 10:57 PM, Vince Passaro wrote:
>>
>>> Did I say GIF? I meant TIFF.
>>>
>>> Actually in my upload software (it's a windows 'wizard') there's an
>> option
>>> for downsizing the images which i should remember to use. I may re  
>>> upload
>>> these to see the difference. Thanks for hte advice.
>>>
>>>
>>>
>>> On Tue, Mar 23, 2010 at 1:47 AM, Jim Nichols  
>>> <jhnichols at lighttube.net
>>> wrote:
>>>
>>>> Vince,
>>>>
>>>> Sounds like you have received some good advice on the RAW  
>>>> conversions.
>> I
>>>> have never tried posting GIF images to the LUG gallery, but they  
>>>> seem to
>>>> have worked ok.  I normally post either JPG or TIFF images.  I have
>> found
>>>> that I get best results by sizing the images to 700 or 800 pixels  
>>>> on the
>>>> long dimension.  Your flower image appears to be 4000 pixels on  
>>>> the long
>>>> side, and, when the gallery software resizes it to fit the normal  
>>>> screen
>>>> size, you get a very soft image.  Enlarging the image using the  
>>>> "double
>>>> square" at the top or bottom gives the full size that was uploaded,
>> which
>>>> cannot be viewed as a whole. You might also experiment with  
>>>> removing the
>>>> default size info in the second edit option block, so that your  
>>>> chosen
>> size
>>>> is displayed as you uploaded it.  I find that they look better  
>>>> that way.
>>>>
>>>> Good luck in mastering all of these options.  I find it has been  
>>>> worth
>> my
>>>> while to do so.
>>>>
>>>> Jim Nichols
>>>> Tullahoma, TN USA
>>>> ----- Original Message ----- From: "Vince Passaro" <
>>>> passaro.vince at gmail.com>
>>>>
>>>> To: "Leica Users Group" <lug at leica-users.org>
>>>> Sent: Tuesday, March 23, 2010 12:29 AM
>>>> Subject: Re: [Leica] Photoshop Altamont -- some questions for the  
>>>> wisdom
>>>> ofthe LUG.
>>>>
>>>>
>>>>
>>>> am doing so. many thanks.
>>>>>
>>>>>
>>>>> On Tue, Mar 23, 2010 at 1:25 AM, Steve Barbour <
>> steve.barbour at gmail.com
>>>>>> wrote:
>>>>>
>>>>> yes, now for CS4 try Adobe Camera Raw 5.6 support for  
>>>>> G1...download and
>>>>>> install, should work OK,
>>>>>>
>>>>>> Steve
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Mar 22, 2010, at 10:12 PM, Vince Passaro wrote:
>>>>>>
>>>>>>> Well.
>>>>>>>
>>>>>>> I fooled around until far far too late an hour last night and  
>>>>>>> learned
>>>>>> some
>>>>>>> things, one of which is CS4 can't open G1 raw files. Further,  
>>>>>>> when I
>>>>>> opened
>>>>>>> a few G1 jpegs in CS4 Camera Raw and messed around with them  
>>>>>>> -- I
>> even
>>>>>>> taught myself how to use lasso tool, how to smooth out my  
>>>>>>> terrible
>>>>>> efforts
>>>>>>> with lasso tool, and reduce the glare on a particular portion  
>>>>>>> of my >
>>>>>> photo
>>>>>>> that had light bouncing off some glass -- these files saved as
>> anywhere
>>>>>> from
>>>>>>> 25MB to 60 (!!!) MB in size. To mount them on the lug gallery  
>>>>>>> I had
>> to
>>>>>> save
>>>>>>> for web, which made them into 5MB tiff files but also stripped  
>>>>>>> away >
>>>>>> some
>>>>>>> layers of the work I'd done and rendered what had been clear  
>>>>>>> and deep
>>>
>>>>>> now
>>>>>>> noisy and fake looking.
>>>>>>>
>>>>>>> But I posted them anyway for your helpful comments and  
>>>>>>> instructions.
>>>>>>>
>>>>>>
>> http://gallery.leica-users.org/v/toast+eatin_+bog+man/Photoshop+Altamont/
>>>>>> .
>>>>>>> Two 'Photoshopped" files and one prior for comparison.
>>>>>>>
>>>>>>> Meanwhile, I went looking for why CS4 could nae open me wee G1  
>>>>>>> raw >
>>>>>> files,
>>>>>>> and so found an Adobe update/patch to download (Camera Raw  
>>>>>>> 5.2, equiv
>>>
>>>>>> to
>>>>>>> whats in the LR 2.2 beta I believe), downloaded it, but also  
>>>>>>> read the
>>>>>>> following asterisk which I wonder if one of you might take a  
>>>>>>> stab at
>>>>>>> explaining to me. It appears to indicate that the D-Lux-4 and  
>>>>>>> various
>>>>>>> Panasonic models (two of which I own, happy me) have a  
>>>>>>> proprietary
>> raw
>>>>>>> program which Adobe cannot really deal with yet so they advise  
>>>>>>> one
>> not,
>>>>>> for
>>>>>>> now. If one does, files will be three times the size of other
>> converted
>>>>>> raw
>>>>>>> files... because of a tripling of the mosaicing or demosaicing  
>>>>>>> or >
>>>>>> however
>>>>>> it
>>>>>>> works. Any comments on this wil be MOST helpful. Here's the  
>>>>>>> text:
>>>>>>>
>>>>>>> **With the release of Camera Raw 5.2 (and upcoming release of  
>>>>>>> Adobe
>>>>>>> Photoshop? Lightroom? 2.2), there is an important exception in  
>>>>>>> DNG
>> file
>>>>>>> handling for the Panasonic DMC-LX3, Panasonic DMC-FX150,  
>>>>>>> Panasonic
>>>>>> DMC-FZ28,
>>>>>>> Panasonic DMC-G1, and Leica D-LUX 4. For those who choose to  
>>>>>>> convert
>>>>>> these
>>>>>>> native, proprietary files to the DNG file format, a linear DNG  
>>>>>>> format
>>>
>>>>>> is
>>>>>> the
>>>>>>> only conversion option available at this time. A linear DNG  
>>>>>>> file has
>>>
>>>>>> gone
>>>>>>> through a demosaic process that converts a single mosaic layer  
>>>>>>> of
>> red,
>>>>>>> green, and blue channel information into three distinct  
>>>>>>> layers, one
>> for
>>>>>> each
>>>>>>> channel. The resulting linear DNG file is approximately three  
>>>>>>> times
>> the
>>>>>> size
>>>>>>> of a mosaic DNG file or the original proprietary file format.
>>>>>>>
>>>>>>> This exception is a temporary solution to help ensure that
>> Panasonic's
>>>>>> and
>>>>>>> Leica's intended image rendering from their proprietary raw file
>> format
>>>>>> is
>>>>>>> applied to an image when converted DNG files are viewed in
>> third-party
>>>>>>> software titles. The same image-rendering process is applied
>>>>>> automatically
>>>>>>> in Camera Raw 5.2 and Photoshop Lightroom 2.2 when viewing the
>> original
>>>>>>> proprietary raw file format.
>>>>>>>
>>>>>>> In a future release, Adobe plans to update the DNG  
>>>>>>> specification to
>>>>>> include
>>>>>>> an option to embed metadata-based representations of the lens
>>>>>> compensations
>>>>>>> in the DNG file, allowing a mosaic DNG conversion. In the  
>>>>>>> interim, >
>>>>>> Adobe
>>>>>>> recommends only converting these files to DNG to allow  
>>>>>>> compatibility
>>>
>>>>>> with
>>>>>>> third-party raw converters, previous versions of the Camera  
>>>>>>> Raw >
>>>>>> plug-in,
>>>>>> or
>>>>>>> previous versions of Photoshop Lightroom.*
>>>>>>> .
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Leica Users Group.
>>>>>>> See http://leica-users.org/mailman/listinfo/lug for more  
>>>>>>> information
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Leica Users Group.
>>>>>> See http://leica-users.org/mailman/listinfo/lug for more  
>>>>>> information
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> Leica Users Group.
>>>>> See http://leica-users.org/mailman/listinfo/lug for more  
>>>>> information
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Leica Users Group.
>>>> See http://leica-users.org/mailman/listinfo/lug for more  
>>>> information
>>>>
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>

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In reply to: Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] Photoshop Altamont -- some questions for the wisdom of the LUG.)
Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] Photoshop Altamont -- some questions for the wisdom of the LUG.)
Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] Photoshop Altamont -- some questions for the wisdom of the LUG.)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] Photoshop Altamont -- some questions for the wisdom ofthe LUG.)
Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] Photoshop Altamont -- some questions for the wisdom ofthe LUG.)
Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] Photoshop Altamont -- some questions for the wisdom ofthe LUG.)
Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] Photoshop Altamont -- some questions for the wisdom ofthe LUG.)