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Re: Lenses and sharpening

Eric Stevens
SubjectRe: Lenses and sharpening
FromEric Stevens
Date09/20/2014 12:32 (09/20/2014 22:32)
Message-ID<cllq1alviimqmkluhgelstdhc0vo9ud3if@4ax.com>
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Newsgroupsrec.photo.digital
Followsnospam
Followupsnospam (4h & 24m) > Eric Stevens

On Sat, 20 Sep 2014 00:59:09 -0400, nospam <nospam@nospam.invalid> wrote:

nospam
In article <gr1q1a5qgje0pp023kgvghv92n3dqhe1gd@4ax.com>, Eric Stevens <eric.stevens@sum.co.nz>wrote:

the changes are rendered on the fly and may be cached to disk (which is the preview file you're talking about). the latter is optional.

Eric Stevens
What do you exactly mean by 'on the fly'.

nospam
not again.

do you not learn anything from the numerous multi-hundred-post threads?

Eric Stevens
THank you for your clarification.

nospam
translated: you didn't.

Eric Stevens
I still would like to know exactly what you mean by 'on the fly'.

nospam
what part confuses you?

Eric Stevens
It should be easier to give a brief explanation than to write zillions of articles saying you have already given me an explanation.

nospam
i explained it a dozen different ways already. why will another explanation magically clear it up when all previous attempts did not?

nevertheless, attempt #651 <http://whatis.techtarget.com/definition/on-the-fly> In relation to computer technology, "on the fly" describes activities that develop or occur dynamically rather than as the result of something that is statically predefined. For example, the content of a page that is sent to you from a Web site can be developed (and varied) "on the fly" based on dynamic factors such as the time of day, what pages the user has looked at previously, and specific user input. The Web server calls an application program to produce the "on-the-fly" page that is to be returned. There are several techniques for on-the-fly page development, including the server-side include , the use of cookie (information previously stored about you that is located in a special file on your hard disk), and Microsoft's Active Server Page .

and #652: <http://en.wikipedia.org/wiki/On-the-fly_encryption> On-the-fly encryption (OTFE), also known as real-time encryption and transparent encryption, is a method used by some disk encryption software. "On-the-fly" refers to the fact that data is automatically encrypted or decrypted as it loaded or saved.

So what you mean is that LR edits images in real time as you issue the edit instructions.

That certainly is the case when editing the preview but I don't think that is the case when exporting images. My understanding is that when exporting, LR (and other similar applications) makes a copy of the original image and operates on that with the full chain of edit instructions and it is the end result of that which is exported. --

Regards,

Eric Stevens

nospam (4h & 24m) > Eric Stevens