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What really caught my eye in this one was the near-horizontal columnar jointing in the basalts across the lake. |
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After a long drive I arrived at Dry Falls just before sunset, but in time to fire off this GigaPan. I'd like to have had a little more sunlight to do a more detailed shot, but sometimes you just have to trade off detail for speed - especially when the sun is setting fast. |
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Latourell Falls which is about 250 feet reveals an example of columnar basalt from volcanic lava flows. The panorama was taken with a Canon 40D using exposure autobracketing. The exposures were fused in Photomatix Pro 3.2 using the adjust method. It was stitched using Autopano Giga 2.03 using the regular detection method instead of the gigapan import because the results were better. Note that if I use a 16 bit workflow that I can render the same stitch twice with exposure set for the main portion in one render and the sky in another render and then blend the top region using a mask with a gradient. I can also use the selection method, but it is problematic with the outline of the trees. The Photomatix details enhancer TMO leaves halos which would require some adjustment of parameters.
http://www.waterfallswest.com/waterfall.php?id=121 http://www.a2zgorge.info/area/columbia_gorge_waterfalls.htm |
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Lava Butte is a geologically young cinder cone at the north end of a series of vents radiating from Newberry Volcano. The eruption that formed the cinder cone also issued an extensive aa lava flow, seen here in the foreground near its southeast margin. Edi and Berti went exploring and made friends with a couple of the natives.
The gash in the right center of the image results from insufficient overlap in the original photos because I accidentally kicked the tripod and failed to properly reset it. I may be able to Photoshop a fix, but that'll have to wait for a day when I have more time. |
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This porphyritic (olivine phenocrysts) vesicular basalt was collected from a roadcut on the southwest rift zone of Mauna Loa in Hawaii. I believe that it is from the 1907 lava flows in that area, though I'm not certain of that. I'm curious to see how the focus will work on a relatively flat (but not cut) surface. There isn't much depth of field to the focused area when you're shooting macros... |
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I don't shoot many 360 degree GigaPans, but every once in a while it's nice to take a look around.
[Update: Now that it's uploaded I can see that the stitch failed to capture about 240 degrees of the full 360. What is here is probably the best 120, so I'll leave it up for now, but if I find out what went wrong I may well scrap this one.] |
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Low-res wide angle shot. |
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High-res shot of the falls and columnar basalts. |
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Palisade Falls in Hyalite Canyon are a remarkably picturesque site. The falls drop over a columnar jointed basalt flow which was erupted atop Eocene (?) conglomerates (Absaroka volcanics?). This GigaPan is about a tenth of the size of the one I intended to shoot. Unfortunately I hadn't carried a spare set of batteries for the GigaPan robot, thinking that the set inside had plenty of life left. About a third of the way through a thousand shot image I got the low battery light and knew it wouldn't finish. So I aborted and shot the same view at much lower resolution. It's still a great view. I've been busy shooting GigaPans, but have opted to hold off on stitching most of them until I return from my current trip. However, I had the time to stitch this one as a teaser of what's to come. ;-) |
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A roadcut exposes pillow basalts of the Franciscan subduction complex just downstream of Nicasio Reservoir, Marin County, Califronia. |