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Pixel dimensions
image size - length x width
resolution
pixels per inch (ppi)
combination of pixel dimensions at particular resolution
dictates "document size"
optimal screen resolution:
72 ppi
not necssary to give image pixel dimensions > 1000 ppi
at largest dimension
example: Daily Post all photos are 648 x 486 pixels at 72 dpi
which gives a 9" x 6.75 document size optimized for screen viewing
but not for printing. I achieve this by resampling the original image
and downsizing it; I then resave it under another file name in another folder.
optimal print resolution
300 ppi at whatever print size you wish
this will be limited to capture (by scan or camera)
for example: my camera is a 5MP capture. When it captures at its
resolution (2560 x 1920) I get a 35.556" x 26.667" at 72ppi image.
When resized (not resampled) to 300ppi I get an 8.5" x 6.4" image
that will print well.
TO SELECT ALL:
Command + A
Click and drag files to course folder created for them
SHIFT + COMMAND + N
Create your own polished presentation in minutes. Just describe what you need.
Free to try, no credit card required