Re: Virtual Iris Show

 

Ken and others; The reason I have not specified pixel size or file size is that it is irrelevant for the entrant. When I receive an entry I store the originals in their sent size in case they win and we would want to print the winners in the Bulletin. But each entry displayed on the show will be at a smaller file size so as to take less space. On a computer screen the density of pictures is not as discernible as different once it reaches a optimum size, unlike print where the optimum size is higher and looks grainy at low density. Also the images sent over e-mails are often reduced by the host server before transfer. So if I receive a file that is 10,000KB it will be reduced to 1,000KB before it goes onto the show table (the page). If I receive a file too small which seldom happens I will contact the entrant, to see if they have a larger version. Images will b! e judged partly on clarity (in focus) but not on high resolution.

Note in the rules images should be almost square. If they are not and there is extra space on the sides, I will crop the extra space, so long as it does not detract from the image. It is extremely helpful if I do not have to do this step but for those who do not know how to crop a rectangle I will do it as long as there is space. Note two entries already in place in the reticulata section. One has a rectangle but was not possible to crop it. This will not disqualify an entry.

From: "Kenneth Walker" <kenww@astound.net>
To: iris-species@yahoogroups.com
Sent: Monday, February 24, 2014 10:52:15 PM
Subject: Re: [iris-species] Virtual Iris Show

 

Hi Bob,

A couple points of image size:

I have a high resolution camera and JPEGs are typically less then 10MB. Did you mean 10,000KB (same as 10MB) for a max file size rather than 10,000MB? "K" vs "M" makes a big difference.

The size of a digital image is measures in pixels of width and pixels of height. Dots per inch is a display or print resolution. If you'll excuse an analogy, it's a bit like asking for gas and telling me your car uses 3 ounces per mile. I can't tell how much gas you need without knowing how far you are driving. I don't know how many pixels you'd like without knowing how big you might print the picture. This is why Photoshop puts resolution together with size in inches (or cm, etc) under the grouping of "Document Size"; when you print, you can't have one without the other.

As a photographer it is easier for me if you decide on a range of reasonable pixels sizes.
  • Suppose you want all photos capable of being printed with a size of 3 inches at 300 pixels per inch. 3 inches * 300 pixels per inch = 900 pixels, or 900 by 900 pixels for a square photo.
  • Or maybe you expect your judges to use monitors at least 1200 pixels high. You might request that pictures be at least 1200 by 1200 pixels.
  • Maybe you'd like the option to print some of the pictures across the cover of the AIS bulletin at a high resolution: 12.5 inches * 600 pixels per inch = 7500 pixels (although cameras for that size image cost tens of thousands of dollars; probably excessive for this contest).
Perhaps it would be reasonable to have something on the How to Enter page like "Images sizes should ideally be between 1200 by 1200 pixels and 3500 by 3500 pixels". Or whatever range seems good to you.

Ken



Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index