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About This Gigapan

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Taken by
The Gigapanographer Currently Known as "Kilgore661" The Gigapanographer Currently Known as "Kilgore661"
Explore score
105
Size
0.22 Gigapixels
Views
1632
Date added
Jun 16, 2009
Date taken
Jun 15, 2009
Gear

GigaPan Epic 100 + Canon EOS 4...

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Description

This image shows the outside seating area of my local coffee shop where I have taken to meeting friends and having lunch. Very civilized it is too.

The 360º view makes the area look bigger than it really is. In fact it is quite small and intimate. For example, the shot shows five tables with nine chairs, and that's about all there is room for.

Those of you who follow my efforts will know that I have problems getting sharp images and getting the depth of field right. This shot is me practicing both - and a bit of tone mapping for good measure.


Gigapan Comments (6)

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  1. The Gigapanographer Currently Known as "Kilgore661"

    The Gigapanographer Currently Known as "Kilgore661" (July 08, 2009, 05:37PM )

    Thanks for the clarification. My confusion was mainly around what you said about "writing" the settings - I thought you mean there was a "Save my settings to file" option which I didn't have so I wondered if you were using a different version. In fact you meant to write the settings down on a piece of paper (how quaint :-) and now all is clear. I was also confused because I thought you were telling me how to process already-stitched gigapans, rather than the pre-stitched images, but again, now I get it. I am not sure what you mean by the 'community version'. I have something called PM Pro 3.1 which is free but runs in trial mode until you pay for it. I can put up with the trial mode's watermarks until such time as I understand how to use it. Thanks for your help. I will go play again.

  2. Stoney Vintson

    Stoney Vintson (July 08, 2009, 11:42AM )

    I am assuming that you have paid for the Photomatix Pro version and are not using the community version of the software. I am also assuming that you are pre processing your exposure brackets and producing a set of jpeg files that you will stitch with the Gigapan stitcher. I just want to state this explicitly to reduce confusion. Open the Photomatix Pro program and select "Batch Processing". A dialogue window will pop up. Look at the upper left hand corner of the dialogue window. Select the "Process with Details Enhancer" check box and the "Highlights & Shadows - Adjust" box. Then click the "Settings" button for each TMO ( tone mapping operator ). Change the parameters such as {Strength, Color Saturation, Light Smoothing, Luminosity} There are also four tabs for {Tone, Color, Micro, S/H} that have multiple settings. The Tone tab has three settings {White Point, Black Point, Gamma}. Every time that you start Photomatix the settings will revert to the default settings. Any changes that you make need to be written down so that you can repeat the same settings for batch jobs that you split into smaller jobs to avoid memory limitations. There are some non ideal tone mapping issues such as halos, over saturated colors, haze that can be corrected by making adjustments to settings such as strength, Black Point, Color Saturation, and Light Smoothing, etc.

  3. The Gigapanographer Currently Known as "Kilgore661"

    The Gigapanographer Currently Known as "Kilgore661" (July 08, 2009, 10:40AM )

    Thanks for the idea of splitting a Photomatix batch job into several batch jobs, but I I don't know what you mean by 'writing' the settings used for the first batch job - there seems to be no option to save settings in the batch processing dialog. I have a trial version of PM 3.1/Win if that makes a difference. I've looked at the manual and the tips section it links to at the end of the document. In the latter it gives this formula for the amount of memory needed for various operations and then goes on to say that these limitations can be avoided by processing the image in strips. This doesn't seem to be true: putting a gigapan through PM in batch/strip mode gives me an out of memory error. I'm not complaining - I don't suppose the PM people expected users to try and tone-map 2Gpix images.

  4. Stoney Vintson

    Stoney Vintson (July 08, 2009, 09:48AM )

    When using Photomatix Pro to run batch jobs, you can split the batch job into several batch jobs. You just need to write the settings that you used for the first batch job and set those setting before running each batch so that you have applied the same settings to all of the images before stitching. Also, if you write a script to batch tone mapping of your exposure brackets using enfuse or tufuse you would be able to run one batch for a large number of photos. Enfuse and Tufuse have GUI wrappers, but are command line tools. You can use a depth of field calculator to maximize the depth of field. If you focus at the hyperfocal distance you will maximize the depth of field. There are depth of field wheels that you can bring with you to make it easier. There is also the difficult technique of focus stacking, but only the Canon point and shoots will auto focus bracket. You have to tether your DSLR to a netbook or laptop to do both focus stacking and exposure bracketing. You have to exposure bracket each focus bracket and then combine the focus stack. Whoooh ... a lot of work. It is best to make tradeoffs in panorama size, focus stacking and exposure bracketing to realize the best quality image.

  5. The Gigapanographer Currently Known as "Kilgore661"

    The Gigapanographer Currently Known as "Kilgore661" (July 03, 2009, 08:15PM )

    Yep, I know that an infinite depth of field is not possible except perhaps with a pin-hole camera but for me sharp images are something that happen to other people. Perhaps my eyes are rubbish or my gigapan unit suffers particularly badly from vibration. In the case of this particular image it is really a test shot, simply trying to see what I could get away with depth-of-field-wise. Sometimes I use a tiny aperture like f/22 in the hope that I will get just enough DoF for a particular shot, but it rarely works. I am aware of hyperfocal distances but they don't seem to apply to my camera (or my eyes). Have you seen Texas_Photo's shot from the multi-storey carpark (www.gigapan.org/viewGigapan.php?id= 27043)? The DoF in that is amazing. The problem with tone-mapping single images is that they won't necessarily stitch because the range of tones in each stack of images is different. It may be possible to work with a gigapan thumbnail, work out what parameters you want to use for the whole image and then use those parameters on your stacks of individual images. I don't know if this is possible in Photmatix or PS - and in any case there are no guarantees because the process started with an approximation to the original gigapan. NB In case you think about trying to use Photomatix on whole gigapans, it doesn't work except on the smallest ones because even if you process in batch mode it runs out of memory.

  6. Tom Nelson

    Tom Nelson (July 03, 2009, 04:55PM )

    Hi Kilgore, This looks like the result of shooting a DSLR with fixed focus. You can't expect infinite depth of field. Using auto-focus allows infinite depth but the edges (from shop to background, for instance) will have one or the other out of focus. I'm going to try single-image tonemapping, which you can do with Photomatix. There is no ghosting and you get some (but not all) of the tonal expansion of multi-image HDRi. Tom

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