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| Micro Photographer's Daily Contact Sheet Micropayment stock photography topics for the inquiring mind |

08-27-2008, 01:09 AM
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Senior Member
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Join Date: Apr 2006
Posts: 322
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Quote:
Originally Posted by thesupe87
Setting the longest side to 5025 would work for images sized properly, but how would it differentiate between verticals and horizontals?
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I'm not sure quality wise, how well it works (I usually use this to resize for the web which is reducing size and not the case here), but you can use the File -> Automate -> Fit Image command.
Set 5025 x 5025 as the values and it will fit the image, maintaining the aspect ratio, in that size.
Make some tests. Hope it helps.
Cheers
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08-27-2008, 02:39 PM
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Junior Member
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Join Date: Oct 2007
Posts: 17
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Quote:
Originally Posted by RacePhoto
If you can explain this, I will try both Photoshop and Irfanview and see if there's any difference in the quality of the results.
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I'd like to see the results. Give me some time to see what I can find and I'll post it here.
Quote:
Originally Posted by thesupe87
Also, shots from my point and shoot become over 50M if I set the longest side to 5025. It's all over the place.
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There are two reasons I can think of that may cause different sizes in your pictures. One is dpi. I don't know if you set your pictures to 300 dpi, but that would have an effect if you don't. Every Nikon I have shot with the jpegs are 300 dpi, but Canon (point-and-shoot) saves them as 180 dpi, and newer SLRs save them at 250 dpi. Panasonic, Pentax and some of the other smaller brands save them at 72 dpi.
The second reason this may happen is because of your sensor size. A point-and-shoot has a sensor size comparable to a non-widescreen monitor, or 800 x 600, 1024 x 768, 1280 x 1024 pixels, etc. An SLRs sensor is comparable to film size, which is wider than the point-and-shoot. Basically the SLR sensors make a more rectangular photo and the point-and-shoots make a more of a square photo.
If you increase the longest side of two photos, one from each type of camera, you'll get different results.
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08-27-2008, 03:23 PM
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Junior Member
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Join Date: Oct 2007
Posts: 17
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Quote:
Originally Posted by RacePhoto
If you can explain this, I will try both Photoshop and Irfanview and see if there's any difference in the quality of the results. I can never kick a free utility that does this all in Batch mode, but if there is a difference, I'd take the one that's best.
Droplet? Scripts? I'm clueless.
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I found the thread. I remember it taking a while to go through all the pages and compile the information (as I had never heard of droplets before this post). Since then I have used many droplets, just not one for stock work. I put together a .txt file with all the directions, in order, to create scripts and droplets. When I get some time I want to do this, and make it easier to build my Alamy portfolio.
Here's the link to the post, it's on page 16, about halfway down, posted by ste7e:
WANNA MAKE MORE MONEY? ALAMY ROCKS!
I remember having to click through a bunch of pages to get the full instructions for creating the script and then creating the droplet. If you'd rather I convert my text document to a PDF and send it to you, send me a PM. My document is just all of his directions from multiple pages copied-and-pasted in order.
Please keep me posted. Thanks.
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08-27-2008, 05:10 PM
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Moderator
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Join Date: Jan 2007
Posts: 477
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Quote:
Originally Posted by thesupe87
Yeah, it's funny you said that. I don't think it reads the exif data for images I've keyworded in Irfanview either. Images I've keyworded in Photoshop or Cushy Stock are fine.
Setting the longest side to 5025 would work for images sized properly, but how would it differentiate between verticals and horizontals? A lot of my graphics are squares. Most of them already are over 48M. Also, shots from my point and shoot become over 50M if I set the longest side to 5025. It's all over the place. I think what I need to try and do from now on, is just resize each day's batch as I complete them.
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I don't think Alamy reads any metadata.  I've sent in photos done in Photoshop6, CS2 and Elements and nothing gets picked up by the site.
Odd how that happens, because I've used the same sizing with four different cameras, and the _image size_ comes out the same. Are you looking at File Size on the computer or Image Size?
48mb at 300 pixels per inch is the minimum Image Size.
Last edited by RacePhoto; 08-28-2008 at 06:12 AM.
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08-27-2008, 05:52 PM
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Junior Member
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Join Date: Feb 2007
Posts: 29
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Alamy does read metadata. But it only worked for me after I started using the free microsoft pro photo tools. Irfanview and photoshop iptc data didn't get imported.
Olga
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08-28-2008, 12:48 AM
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Moderator
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Join Date: Jan 2007
Posts: 477
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Quote:
Originally Posted by odvdveer
Alamy does read metadata. But it only worked for me after I started using the free microsoft pro photo tools. Irfanview and photoshop iptc data didn't get imported.
Olga
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Cool news, thanks for the tip, I'm tired of entering everything manually just for their site. Oh wait, I'll still have to do that with pro photo tools.
Honestly, I appreciate the tip, because it means I won't have to do it online.
Edit: additional information. I finally found it...
IPTC headers in Photoshop 8/CS
* The description field corresponds with our caption field. We limit the caption field to 128 characters and any additional IPTC data overflows to our description field.
* The keyword field corresponds with our comprehensive keywords field. We limit the compehensive keywords field to 856 characters and any additional IPTC data is truncated.
* Separate your keywords with semicolons in Photoshop to ensure they transfer correctly.
I was using commas, which apparently doesn't work for Alamy?
Last edited by RacePhoto; 08-28-2008 at 06:35 AM.
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08-28-2008, 01:58 PM
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AIM: graficallyminded
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Join Date: Feb 2006
Location: USA
Posts: 2,064
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builttospill: this is exactly what I was thinking. dpi definitely has an affect, as well as sensor size.
Photoshop automatically sets commas to semicolons, so alamy seems to be working okay reading mine (from PS CS3) I am not sure about Cushy Stock - I need to check and see on my latest batch if they read alright. I have been keying mostly in Cushy lately. I'll you know what happens.
I've been getting pretty fast at image upsizing the old fashioned way
I just got the script to work- if anyone needs it, here is the code: just save it in a notepad document as alamyresizer.jsx or something similar.
PTWiki | Article - JavaScript script for resizing images to a target file size
Special thanks to Steve Smith on this one!
I have to just figure out how to make the droplet. The only thing is, that it will even downsize images that are larger than 48M back down to 48M. No big deal though, I don't think file sizes larger than 48M really matter on Alamy. Some of my illustrations are 70M. Would I get more money for those sizes? Maybe I could always figure out how to add a line that tells the script to not downsize if the image is already greater than 48M.
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08-28-2008, 02:16 PM
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AIM: graficallyminded
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Join Date: Feb 2006
Location: USA
Posts: 2,064
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Wow, this thing is awesome. So much easier than before...set it and forget it. Thanks guys, so much!
I just made an action to run the script. I make a copies of my batch folders, and throw them all into one folder. Then I automate the batch to read all sub directories, run the script, save, and close. Now these are the folders I'll use to upload to Alamy. Once they're approved, I delete them.
*doing happy dance*
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08-28-2008, 02:50 PM
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AIM: graficallyminded
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Join Date: Feb 2006
Location: USA
Posts: 2,064
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Droplets are even better! I'm loving this.
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