Re: [Docutils-users] Image sizes in rst2pdf. Fixed?

[Alan G I. <ai...@am...>]

> On Wednesday 20 May 2009 14:52:39 Alan G Isaac wrote:
>> - dpi has no meaning on a screen 

Roberto Alsina wrote:
> Yes it does. Your screen is probably somewhere between 72 and 133 dpi, unless 
> you are using something like a OLPC. 

This is what I mean:
http://www.scantips.com/no72dpi.html


> On Wednesday 20 May 2009 14:52:39 Alan G Isaac wrote:
>> - convert pixels to inches as you do (presumably 
>>    at 96ppi)

Roberto Alsina wrote:
> That's way too low. Most raster images will appear huge. 

I think 96ppi is the standard Windows assumption,
with a 120ppi option.  But again, I prefer explicit
units to hidden transforms.


> On Wednesday 20 May 2009 14:52:39 Alan G Isaac wrote:
>> - raise an exception (undefined unit for writer)

Roberto Alsina wrote:
> Docutils already specifies what the valid units are

Sorry, I did not realize that valid units were part of the
docutils specification.  That is indeed a problem.

Cheers,
Alan Isaac