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: steve.barbour at gmail.com (Steve Barbour)
Date: Mon, 22 Mar 2010 23:00:38 -0700
References: <19b6d42d1003222212u6d3ba45ar4a33c9ce2e0905c1@mail.gmail.com> <8C7AD273-39DD-4613-AA3D-E95A1B897726@gmail.com> <19b6d42d1003222229s33b8fca1o14b7ffae6be735fb@mail.gmail.com> <B85F2D8453DA4431AC74BA36F5BB1809@jimnichols> <19b6d42d1003222257k3bc75a52m5a3e0c42c79295df@mail.gmail.com>

often works to downsize to 800-1000 pixel jpeg on the longest side.....

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



Replies: Reply from passaro.vince at gmail.com (Vince Passaro) ([Leica] Photoshop Altamont -- some questions for the wisdom ofthe LUG.)
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.)