#1
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image size
When an image size is shown as 2540 x 3480 what exactly does that mean. Does this indicate the original paper size it was scanned from?
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Tim Hinds "Oh wisdom thou are fled to brutish beasts and men have lost their reason" (Bill Shakespear) |
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#2
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Either the original scanned size or even a re-size of an image. The size you stated is quite large, especially compared to a 640 X 480.
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#3
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This might help with sizing and aspect ratio !
720x480-----3:2 1152x768-----3:2 1280x854-----3:2 1440x960-----3:2 2880x1920----3:2 ___________________ 320x240-----4:3 640x480-----4:3 800x600-----4:3 1024x768-----4:3 1152x864-----4:3 1280x960-----4:3 1400x1050-----4:3 1600x1200-----4:3 2048x1536-----4:3 3200x2400-----4:3 4000x3000-----4:3 6400x4800-----4:3 ___________________ 800x480-----5:3 1280x768-----5:3 ___________________ 1280x1024-----5:4 2560x2048-----5:4 5120x4096-----5:4 ___________________ 852x480-----16:9 1280x720-----16:9 1365x768-----16:9 1600x900-----16:9 1920x1080-----16:9 ___________________ 320x200-----16:10 640x400-----16:10 1280x800-----16:10 1440x900-----16:10 1680x1050-----16:10 1920x1200-----16:10 2560x1600-----16:10 3840x2400-----16:10 7680x4800-----16:10 ___________________ 2048x1080-----17:9 |
#4
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except I don't know what aspect ratio is either. Sorry for being so dumb
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Tim Hinds "Oh wisdom thou are fled to brutish beasts and men have lost their reason" (Bill Shakespear) |
#5
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Look at a normal TV and you have a ratio of 4:3 that's 4 X Horizontal to 3 X Vertical - if this was a sheet of paper it would be almost square, a wide screen TV with 16:9 ratio in paper terms would be an image in landscape.
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#6
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#7
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Quote:
It does not necessarily translate into the original paper size it was scanned from. An 8.5 x 11 inch image at 300 dpi would have a pixel size of 2550 X 3300, but the same paper scanned at 72 dpi would have a pixel size of 612 x 792.
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Glenn |
#8
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Quote:
Have you ever had to set your desktop resolution? to something like 1024x768 You are setting your screen to show a certain number of dots in a certain area. The higher the numbers, the more dots (pixels) will be shown on the screen. So its important to know the resolution first if you want to relate a pixel size, like 2540 x 3480, to a sheet of paper. The resolution is measured in dots per inch (dpi) The higher the dpi number, the more dots of information, which equals a higher resolution (quality) image. So, if you know the image is 300dpi, then you can work out that the printed size will be about 8 inches horizontally (2540 divided by 300 equals 8.4) and about 11 inches vertically. Note: for artwork, 300 dpi is an acceptable resolution. For a photograph, 300 dpi would be very low quality. Aspect ratio is the ratio between the horizontal and the vertical. Think about your old TV versus your new widescreen TV.
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#9
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Thanks all for your help. Now I understand it better. I wanted to know becasue i never know how large I can print something without going beyond what it was intended to be. That calculator will donicely. Thanks again
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Tim Hinds "Oh wisdom thou are fled to brutish beasts and men have lost their reason" (Bill Shakespear) |
#10
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Quote:
*ok, I cheated. You also worry if and when you want to convert to raster. |
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