Font Size!

[nailcandy]

ok, so i have a problem, i'll type something on a pic and the size would be 6, and it looks like a "6", but when i type on a new pic, the font size is set to 6, but the font turns out looking like a 10... heeellppp!!

[Jason_The_Adams]

The font size is relative to the size of the document, more specifically the PPI (http://www.planetphotoshop.com/forum/showthread.php?t=1589), I believe.

Alright, let's say you have two pictures of the same size: 800x600 resolution. Now, on the first document we'll set the PPI (called Resolution when making a new document and looking at the Image>Image Size) to 150 on the first picture, and 300 on the second. If you were to take the Text Tool, set the font size to 24 and typed on both pictures, the font would appear twice as big on the document with 300 PPI. The documents both appear the same size in dimension and appearance, but one font size appears smaller than the other. Here's why:

If you were to go to Image>Image Size of both pictures, you'd find that the document size in inches for the 300 PPI is 2.667x2 in inches, while the 150 is 5.333x4 inches. What's happening here is that you're giving the document the same amount of pixels that it's allowed to use, but spreading it over a different surface area; you're spreading 800x600 pixels into areas of 300 Pixels Per Inch and 150 Pixels Per Inch.

The reason this affects the size of a font, is because font sizes are given a literal amount of pixels to use in each size. They're vectors at heart, and therefore inclusively mathematical in nature, limited to the assigned size based on pixel dimension. You're therefore spreading the font pixels over a different surface area depending on the PPI.

I'll stop there at the risk of making this more confusing than I already have. But I hope this helps.

[nailcandy]

yes it does, TY!