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Forest #16 by Thomas Teske

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About This Gigapan

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Taken by
Thomas Teske Thomas Teske
Explore score
1
Size
10.53 Gigapixels
Views
1501
Date added
Jul 02, 2010
Date taken
Jun 30, 2010
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Description

here it is - my first 10 GPXL pano - 55r by 35c - far from being perfect. But it's important for me and probably you to learn about the issues you might face creating large panramas.

A continuation of the technical feasibility - imaging took 2 1/2 hours for 56 out of 101 steps for a 360 degree panorama.
ow I'm checking, how to speed up the procedure -

1.) taken with 400mm lens - next will be at 200mm to have fewer images i.e. around 2000
2.) 200mm lens for larger depth of field
3.) I will start earlier in the day to have more light - this one started at 7pm and sunset was just stopping me from continuing

During the image taking I had to change ISO, f-stop and eposure time to have sufficient light. The single biggest problem from my perspective is now:
the high dynamic range. I need to find a solution for that. Probably HDR imaging with exposure bracketing, then

a.) first a HDR image per panorama tile
b.) running the stitcher using the HDR images (otherwise it would be 6000 images at 200mm, which is a lot.

Specs: memory card 32 GB - images converted in camera to JPEG, because RAW would have taken too much time to write it to the memory card.

Overall - challenging, but possible. It takes quite a list of prerequisites to create a 10 GPXL panorama, but it's possible.

A final remark on the web-viewer: te perspective is just not OK - it is something spherical, but it is projected correctly, if and only if you enter the google-maps viewer.

Next panorama is for sure about quality - not size as such. Second next is quality at resoanable size.


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Stitcher Notes

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GigaPan Stitch version 1.0.0805 (Windows)
Panorama size: 10528 megapixels (157628 x 66796 pixels)
Input images: 1925 (55 columns by 35 rows)
Field of view: 206.7 degrees wide by 87.6 degrees high (top=88.9, bottom=1.3)
Settings:
All default settings
Original image properties:
Camera make: NIKON CORPORATION
Camera model: NIKON D700
Image size: 4256x2832 (12.1 megapixels)
Capture time: 2010-06-30 17:53:41 - 2010-06-30 20:27:20
Aperture: f/7.1 - f/13
Exposure time: 0.0666667 - 0.333333
ISO: 800 - 1250
Focal length (35mm equiv.): 400.0 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 0.6 to 99.2 percent
Vertical overlap: 10.5 to 98.8 percent
Computer stats: 6134.88 MB RAM, 8 CPUs
Total time 23:51:11 (45 seconds per picture)
Alignment: 19:37:17, Projection: 33:11, Blending: 3:40:43
(Preview finished in 22:13:16)

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