Sunset in Kruger

by MrFrench

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0

Taxonomy? Exiftool has supported writing Darwin Core as XMP for a while now. http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/DarwinCore.html http://rs.tdwg.org/dwc/terms/ Resource Space is a free software DAM which uses exiftool as it's metadata backend. You can customize it to support Darwin Core.


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I will provide all who visit this page with a working answer, having in mind that this is now 2015: Of course you can have you images uploaded to a Google+ album and still have you originals on your computer. Supposing you have uploaded the images with Picasa 3 and you still have the connection in Picasa with both the local and online album. What you need ...


1

I recommend you follow Metadata Working Group guidelines. They build on and in some cases override the older exif and especially IPTC standards. MWG Location Guidelines


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For embedding standard metadata in images, EXIF is considered the primary standard, which provides well understood fields for time and location information. http://en.wikipedia.org/wiki/Exchangeable_image_file_format In addition, EXIF has a tag known as 'maker data' that allows 3rd parties to embed custom tags. This is typically where a Canon or Nikon ...


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The metadata will not tell you anything especially useful in the situation of trying to estimate ground conditions from a satellite image. If the metadata includes the details of the area covered in the image then you may be able to do a data mashup with weather radar imagery to estimate cloud conditions and extrapolate them to light available on the ground ...


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I think most the answers concentrate on what is traditionally considered "META/EXIF data" by photographers. That is Aperture, Shutter speed and ISO. I would't expect satellite images to have varying aperture and/of shutter speeds (I could be wrong) but what's also included in the META/EXIF data is the histogram. This can be very useful. Examples: Shadows: ...


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No, meta-data (and from it exposure value) isn't enough to determine if the sky is clear or not. A while back, I decided I wanted to photograph the fog and get some grain to it (I was shooting film (I did get the grain I was after but that's another story)). This happens to be shot at 1600 speed (it was Tri-X 400 pushed two stops) at f/16 (as slow as the ...


3

If the ExposureMode is an automatic or semi-automatic one, such as A, P, S, but not M, you could reverse the Sunny 16 rule to find out if the photo has been exposed for a sunny or overcast day. By comparing the actual exposure with the exposure based on the Sunny 16 rule, you can estimate if it was sunny or not. The lighting from the sun is close to ...


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I think you would have a tough time with simply EXIF metadata, but there are other options. If you would expand your selection to include a histogram that can evaluate the complete tonal range of an image, you could get a rough idea if it was cloudy or not based on the contrast of the image. Contrast is typically not something that can be understood simply ...


1

One site that I've found particularly helpful in understanding what settings to use is PixelPeeper.com, in particular its advanced search page. On the search page you can put in various search constraints on lenses, cameras, ISO, aperture etc and have it search flickr for images that matches those constraints. So say that you want to search for how to take ...


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ExifTool could do this, but the use of negative coordinates might make it a two step procedure depending upon what tags you want to use. XMP gps tags will take negative coordinates, but EXIF gps tags only accept positive numbers and need the directional reference tag to be accurate. First off, there would have to be some changes to CSV. The first row ...


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In Lightroom 5 a photo can have three copyright states: I assume that, when you say my copyright information wasn't being applied automatically, the copyright status was not being set to Copyrighted. You can create a Smart Collection that searches for all photos with a copyright state that is not copyrighted:


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Assuming that: The focal length has been recorded in the file metadata You are running a Unix-like OS such as Linux or OS X You have installed the exif command line tool Run this on the command line: exif /path/to/your/photos/* | grep "Focal Length [^A-Za-z]*|" \ | awk -F "|" '{print $2}' | awk '{print $1}' | sort | uniq -c | sort -nr Example ...



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