Commons:Featured picture candidates/File:Tower Bridge from London City Hall 2015.jpg

File:Tower Bridge from London City Hall 2015.jpg, featured

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Featured picture candidates/File:Tower Bridge from London City Hall 2015.jpg Commons:Featured picture candidates/File:Tower Bridge from London City Hall 2015.jpg

• Category: Commons:Featured pictures/Places/Architecture/Bridges
•  Info High resolution (114MP) image of Tower Bridge viewed from the balcony at City Hall, which is only open to the public one day a year for Open House London. So this is a rare view allowing one to see the whole extent of the bridge and surrounding districts of London, unobstructed, and with the skyscrapers of Canary Wharf distant. All by me. -- Colin (talk) 21:33, 10 April 2016 (UTC)
•  Support -- Colin (talk) 21:33, 10 April 2016 (UTC)
•  Support I was waiting for this image! --Hubertl 21:36, 10 April 2016 (UTC)
•  Support Nice clouds. --King of ♥ ♦ ♣ ♠ 22:08, 10 April 2016 (UTC)

The clouds are nice but a real pain getting a good stitch since the lighting changes rapidly. So I had some extra sweeps back and forward that I took but didn't end up using due to the change in light levels. -- Colin (talk) 10:52, 11 April 2016 (UTC)

•  Support INeverCry 22:20, 10 April 2016 (UTC)
•  Support Excellent! Would you mind giving us some more technical data (camera, # of shots merged etc.)? Thanks --Wolfgang Moroder (talk) 22:23, 10 April 2016 (UTC)

• That's all on the image description page. Sony A77 II camera. Sony 50mm f/1.8 lens. Stitched from 29 images. This is a 3 row stitched mosaic using a Nodal Ninja 3II panoramic head. It was stitched with PtGui and then Photoshop used to hand-select parts of some frames (a) so that a coach didn't obscure important parts of the bridge and (b) to ensure even lighting on one building (otherwise PtGui chose a frame in shadow and a frame in sun). The resulting image was cropped to create a 16:9 format. -- Colin (talk) 05:50, 11 April 2016 (UTC)

•  Support --Johann Jaritz (talk) 04:25, 11 April 2016 (UTC)
•  Support per above --Martin Falbisoner (talk) 05:27, 11 April 2016 (UTC)
•  Support --Kikos (talk) 06:49, 11 April 2016 (UTC)
•  Support strong support. -- -donald- (talk) 07:17, 11 April 2016 (UTC)
•  Support - Wonderful, beautiful panorama. A special photo. -- Ikan Kekek (talk) 07:36, 11 April 2016 (UTC)
•  Support I love panoramas. I hope there are more photos of panoramas. Keep it up Colin! --★ Poké⁹⁵ 08:00, 11 April 2016 (UTC)
•  Strong support This has it all - resolution, composition, lighting, and a unique, hard to get to angle. I'm actually surprised at how small the file is: I got a bigger filesize from a 24-image pano I recently stitched. That said, I always save at a compression of 100%. Anyway, well done! I know from experience how long these high-res composites can take to make. -- Thennicke (talk) 10:20, 11 April 2016 (UTC)

Thanks. I use the 90% setting, which is actually the second-highest after 100% -- there's nothing in between. See this old article. I don't see any image penalty to 90% (even looking with a magnifying glass) and there's a big saving in filesize. Noise reduction / sharpening can also impact filesize if there's a noisy sky (there's no point sharpening clouds or blue sky -- it just creates noise). The number of frames doesn't correlate well to final image size since sometimes a lot of overlap is useful and sometimes you end up cropping out a lot of the generated image. Here, since it's a once-per-year opportunity (and great weather), I wanted to be extra sure. Plus I suspected I'd need to fix up stitching issues with the road/people traffic and this requires repeated overlap so you get several duplicates that one can pick and choose from. As it turned out, Smartblend did a really good job and I didn't end up with any half vehicles or obvious twins, and it was just a personal choice to remove a coach that hid part of the tower arch.

I'm surprised nobody has complained about the Tower Hotel, which is really ugly and spoils things a bit. -- Colin (talk) 10:52, 11 April 2016 (UTC)

•  Support --Pudelek (talk) 11:12, 11 April 2016 (UTC)
•  Support --Cayambe (talk) 13:11, 11 April 2016 (UTC)
•  Support The best "Commons" may offer of this iconic place, IMO. Come on Sony euh... Colin !--Jebulon (talk) 13:43, 11 April 2016 (UTC)
•  Support -- KTC (talk) 14:04, 11 April 2016 (UTC)
•  Support -- MJJR (talk) 15:28, 11 April 2016 (UTC)
•  Support --A.Savin 16:37, 11 April 2016 (UTC)
•  Support --Halavar (talk) 19:26, 11 April 2016 (UTC)
•  Pile-on support 😄 ArionEstar 😜 (talk) 23:19, 11 April 2016 (UTC)
•  Support Christian Ferrer ^(talk) 05:10, 12 April 2016 (UTC)
•  Support Technical excellence. Charles (talk) 07:20, 12 April 2016 (UTC)
•  Support Fantastic. Storkk (talk) 12:11, 12 April 2016 (UTC)
•  Support Kruusamägi (talk) 21:21, 12 April 2016 (UTC)
•  Support Well done -- Jiel (talk) 23:46, 12 April 2016 (UTC)
•  Support --Kasir (talk) 09:09, 13 April 2016 (UTC)
•  Support --Verde78 (talk) 09:29, 13 April 2016 (UTC)
•  Support Outstanding! --Milseburg (talk) 21:44, 13 April 2016 (UTC)
•  Support --Famberhorst (talk) 15:44, 14 April 2016 (UTC)
•  Support --Llez (talk) 12:00, 15 April 2016 (UTC)

Confirmed results:

Result: 30 support, 0 oppose, 0 neutral → featured. /--Mile (talk) 06:40, 17 April 2016 (UTC)

This image will be added to the FP gallery: Places/Architecture/Bridges