Julian Robbins wrote: > Hi > > This one caught us out a few days ago. > > If you have an image with a zero size line width but set with a white > colour line on top on a darker larger background, you see (correctly) no > line around the image. > > But when you export to PDF, Acrobat Reader 7 and 8 on Windows and Linux > show the image with a white line around it. Evince (on Ubuntu 7.04) > interestingly shows no line around the image. > > Is this a Acrobat bug, or an PDF export bug? I would expect that if you > force the line to have a 0 mm width it really shouldn't show up. > Obviously if we set the line on the image to have line colour 'none' it > would fix this, but why do we have to ? When you zoom in to the image at > 6400% the line is still thin, but even at 66% view the line is still > seen ... > So what you're saying is that you insist that you make a line disappear by making its width zero rather than making its color None. One of the things to consider is that with floating point numbers, zero can be a difficult thing to achieve. If you can go to the bother of making a line width zero, how much more work is making the color None?
Greg
