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| Thread ID: 47899 | 2004-08-08 10:57:00 | Irfanview - photos appearing grainy | caffy (2665) | Press F1 |
| Post ID | Timestamp | Content | User | ||
| 259629 | 2004-08-10 12:36:00 | >AFAIK a digital image does not have dimensions in "inches" as you >suggest in saying a 10" x 8" picture at 72 DPI = 5760 pixels. Very true, my oops. It is just a mess of "0's" & "1's" wizzing around on a hdd or sitting quietly on a cd or floppy. Just information. I was just referring to it as the software describes it for we mortals; it only gains dimensions if you display it - whether on screen or on paper. A dimensionless image would be a bit hard to view, which is surprisingly often the point of the whole business. ;) R2 |
R2x1 (4628) | ||
| 259630 | 2004-08-10 13:10:00 | Nor does an image displayed on your screen have a DPI, unless you are referring to the dots on your screen which vary according to the monitor and, which are totally different from scanned or printed DPI. I prefer millimetres and pixels myself when working with images but, I don't get into any sort of in depth digital darkroom stuff (although the curve is still pretty steep), purely functional to print and view detail, ie, illustrate something for others understanding. Now is their a printer expert in the house..... I have a few questions. Cheers Murray P |
Murray P (44) | ||
| 259631 | 2004-08-10 13:51:00 | Sorry Murray P, but you did say "an image displayed on your screen", so I will try to state what my screen has got at present. 1. An image 2. A horizontal width of 14.2222.. inches and also 362(ish) mm for the same image. 3. A whole mess of dots across each minute horizontal row (of dots). 4. 1280 of these dots per row (at the current settings). 5. These dots are remarkably evenly spread. 6. An average inch has got 90 of these pesky dots. I took away the dots on one of the inches, the image was gone in that inch. Two things arise from this, first my image needs DPI to survive, second, I now have sore eyes. Zero dots doesn't work, so I resized the image to zero width. It vanished ! For my monitor, I need dots AND inches, which invariably causes some dots per inch. I can vary the dots, and I can vary the inches, but without 'em the image is a goner. (How does your monitor manage to do without DPI ?) (I have to use inches as I only have old, pre-metric, twink) (I really must get out more) (And also, how do I get an inch of twink off my monitor?) R2 |
R2x1 (4628) | ||
| 259632 | 2004-08-10 23:19:00 | Caffy - When you "Save" the photo, do you opt for the Best Quality? |
Steve_L (763) | ||
| 259633 | 2004-08-11 01:55:00 | Yes, as I mentioned before, the 'slider' thing in the JPEG saving window is on max (10 or whatever the highest number is)... So i can't figure out what the problem was: I just altered the photo size (resolution - i.e. from 2XXX x 1XXX pixels down to 5XX x 3XX pixels - can't remember the specific numbers here, am not on home computer right now) and saving it as jpeg, with the slider on max quality. |
caffy (2665) | ||
| 259634 | 2004-08-11 02:04:00 | What exactly do you want to do with these photos? Print? Email? Archive? Edit? Make the filesize smaller? Make the photo smaller? |
Rob99 (151) | ||
| 259635 | 2004-08-11 02:06:00 | Have you looked at chill's suggestion - in the irfanview resize window are you resizing or resampling (bottom right)? | PaulD (232) | ||
| 259636 | 2004-08-11 07:12:00 | The purposes for making the photos smaller is to email them . This is the method I have used ever since I got my first digital camera (mid-2003) . What's the difference between resizing and resampling? Am not familiar with this . Thanks, caffy |
caffy (2665) | ||
| 259637 | 2004-08-11 08:35:00 | Hi caffy > The purposes for making the photos smaller is to email them. You have WinXP? There is a much faster and painless way of doing this if you are merely wishing to resize them for emailing. Microsoft Powertools for XP has a program called Image Resizer. It adds a right-click context menu entry for images. You get the choice of a variety of standard resolutions plus custom resolution size. Very easy and fast to use. Image Resizer - 521 KB (www.microsoft.com) |
Jen C (20) | ||
| 259638 | 2004-08-12 06:49:00 | in PS if you wanna keep the resol and detail. go to image size. you can change the dimensions of the physcial size. by ticking or unticking the constrain tickbox .. can't remem which way as ticked or not ticked, unless i am with PS. by try it out ...... what happens is by upping the resolution ie .. from 72 to a higher number the physical size would drop as accordinly. if say you ticked or unticked that box when you drop the size or so .. the reso would remain the same. you dont want this but the first one. if you wanting to upsize it then unconstrain it and upsize each 10% in incrimental steps (the physcial size)... i have read and done but not yet printed. the guy says he got the tip off a publishing company and it does wonders... to be lazy you can also create a macro hot key .. so you press it for each action ... may this can be done with irfanview similarly .... are you scanning off a photo? if so it could be the seting from your scanner's software?? or is it magazine photo? this coudl the be the moire pattern of the paper textile ... |
nomad (3693) | ||
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