Resolution - DPI, PPI LPI (was: Wide PNG's displaying only coloured stripes?)

2007-02-06 Thread Ian Wood
This is getting into a pretty complex realm. I hope what follows is useful rather than rant... On 6 Feb 2007, at 13:16, David Bovill wrote: There are lots of time when you need to make these calculations - due usually to information or interfaces provided by other software (often defined

Re: Resolution - DPI, PPI LPI (was: Wide PNG's displaying only coloured stripes?)

2007-02-06 Thread David Bovill
No thanks a lot for the info! In simple terms I have a piece of graphing software which I can control in various ways - one is to set the size of the resulting image. The image will be scaled proportionally to fit into this size. Now the size is in inches so you can basically pass the programme

Re: Resolution - DPI, PPI LPI (was: Wide PNG's displaying only coloured stripes?)

2007-02-06 Thread Richard Gaskin
With all the DPI, PPI, and LPI we forgot the beloved twips. Fortunately there's little to learn at the moment on that since they're going away: http://visualbasic.about.com/cs/visualbasicfaq/a/dykpixeltwip.htm We'll miss them. :) Resolution independence is a big hairy mess. Useful, but a mess