Render preview vs Develop View confusion

Hi,
I am having a hard time understanding the various "render" and "view" options.
I just noticed that under "Develop" mode, my modications to the noise reduction settings is not changing the "fit to screen" preview. I can only see the effects by zooming in to 1:1 view. Therefore, I can't see the effect on the whole picture until I export it?!?
I then went back to Library mode and noticed the "Preview" option. I have been generating "minimal" previews on Import (should I change that?). I now re-rendered these as 1:1 previews and lo-and-behold the changes are now noticeable. But I assume that's a one time event. If I go ahead and change them again, I will have to regerate the previews?
What's going on here? Noise Reduction and Noise reduction alone doesn't trigger regeneration of the "Fit" preview in develop mode?? Why not??

Oh man that is not what I wanted to hear. At the very least they should make it a toggle, an option that one can select if one has the CPU to handle it. It's really confusing to assume that "Develop" mode shows the closest rendering to the final output and then have one (but only one!!) of the adjustment tools not update the screen preview (or whatever one calls the view that Develops shows us - "Develop Preview"?).
Further confusing matters is this statement from beta 2 release:
"The Develop preview now shows sharpening & noise reduction at less than 1:1 view when using PV2010."
http://www.lightroomqueen.com/blog/2010/03/23/whats-new-in-lightroom-30-beta2/
So, it looks like it got removed between Beta2 and Final Release (but only NR; sharpening was kept)?
So, now I don't fully understand how to estimate the "look" of my output with various NR applied. I understand I can zoom in to 1:1 to get the pixel view but I also like to get a "bird's eye view" of the effect on the whole image. HOw do I do this now without actually outputing to jpg and then checking? Bibble, for one, handles this on the fly. NR effects are rendered immediately.
Thanks for any advice,
-alex

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What is draw backs of window 8.1 update preview for developer. Which fetures thye are not giving in previe update. Whay they are not officialy relising 8.1 update. Up to what time they will release it???

Rops wrote:
What is draw backs of window 8.1 update preview for developer. Which fetures thye are not giving in previe update. Whay they are not officialy relising 8.1 update. Up to what time they will release it???
The preview is just that, a preview. Features are (and may be) missing or incomplete. This is obviously just the OS portion and not the firmware which is device specific so this may have an effect on how the preview works.
According to Microsoft rollout can start anytime within the coming weeks but when exactly will in part depend on when the firmware is available and when operators appreove the update for brnaded phones.
Click on the blue Star Icon below if my advice has helped you or press the 'Accept As Solution' link if I solved your problem..

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General
Complete name                    : K:\final\1 Introductory\3 Tree Run.avi
Format                           : AVI
Format/Info                      : Audio Video Interleave
File size                        : 56.4 MiB
Duration                         : 7s 567ms
Overall bit rate                 : 62.5 Mbpsve
Video
ID                               : 0
Format                           : JPEG
Codec ID                         : MJPG
Duration                         : 7s 567ms
Bit rate                         : 60.7 Mbps
Width                            : 1 280 pixels
Height                           : 720 pixels
Display aspect ratio             : 16:9
Frame rate                       : 60.000 fps
Color space                      : YUV
Chroma subsampling               : 4:2:2
Bit depth                        : 8 bits
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Bits/(Pixel*Frame)               : 1.098
Stream size                      : 54.7 MiB (97%)
Audio
ID                               : 1
Format                           : PCM
Format settings, Endianness      : Little
Format settings, Sign            : Signed
Codec ID                         : 1
Codec ID/Hint                    : Microsoft
Duration                         : 7s 567ms
Bit rate mode                    : Constant
Bit rate                         : 1 536 Kbps
Channel(s)                       : 2 channels
Sampling rate                    : 48.0 KHz
Bit depth                        : 16 bits
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Solved!
Go to Solution.

Ganesh3ganesh wrote:
@nj15 ya i know warranty will be void after developer update but my friend updated preview for developer cyan update and he got problem in phone handset jack not working so he went to nokia care and they serviced the phone freely in warranty.
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I have manipulated a photo using layers etc and then flattened it and saved it under a new name. When I use 'Preview' (mac) to view the finished photo it doesn't look right. It's as the layers have not flattened correctly. When viewed in Elements 12 it

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STEVEN1A wrote:
I have manipulated a photo using layers etc and then flattened it and saved it under a new name. When I use 'Preview' (mac) to view the finished photo it doesn't look right. It's as the layers have not flattened correctly. When viewed in Elements 12 it looks OK. The photo looks incorrect in other software such as photo books.
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Render preview vs Develop View confusion

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