Beginner Help yet again.

[Roy1212]

I'll start by saying thank you because everyone has been so helpful.
Is there anyway of finding out the PPI in a photo in Flickr as that's the only copy I have of some.

 

[Furtim]

If you mean the originally uploaded file resolution, if you click on the download link of any of your images, it will show the the options open to you, including the original.

 

[Roy1212]

Thanks,I'll give that a go ,can't see the PPI there though.

 

[Jelster]

You would have to download it and open it in something like PS or lightroom.

 

[Furtim]

Thanks,I'll give that a go ,can't see the PPI there though.

CanI ask why you need the PPI? The original file has a set number of pixels, the value for PPI and DPI don't change the quality in any way, shape or form of the original image. Both really only affect the size of the print image, and it's a variable you can change anyway.

 

[Craig_85]

Pixels per inch is irrelevant for web use.

All a computer screen will do is look at the overall pixel count of width and height and then display it so that each pixel in that measurement equals a pixel on the screen. So on a 1920px display a 1024px image will take up just over half the width of the display for example 300ppi or 1ppi is irrelevant.

Ppi comes into printing sizes, which is why it gets confused with dpi (dots per inch) a characteristic of how printers lay down ink which is also unrelated.

In print the ppi is key, take the same 1024px wide image and print it at a decent resolution of 300ppi and it will only be about 3 1/2 inches wide.

Ppi, print size and viewing distance is a whole new discussion though.

 

[Alastair]

Thanks,I'll give that a go ,can't see the PPI there though.

Think about what PPI means.

Warning, it does involve maths and numbers. And thinking.