[Mac OS X TeX] small dots disappear in Quartz

[Ross Moore]

Hi Troy,

> At 9:54 AM +1100 10/30/01, Ross Moore wrote:
> >Are the dots clean squares of pixels, or are they anti-aliased?
> 
> I'm not quite sure what you're getting at...  When I increase the 
> scaling in Preview.app, I can eventually see that there are a bunch 
> of small, overlapping circles; but definitely circles.

Can you send me the image please, or a URL where I can download it.
I'd like to tinker a bit.
 
> >If the former, then try using Ghostscript to render the image,
> >with anti-aliasing on for graphics primitives (not just for fonts)
> >  --- there is a setting   GRAPH_ALPHA_BITS ,  I think.
> >When you've got that working, use Ghostscript to write the image as
> >PDF (e.g. with a modification to the epstopdf Perl script) and try
> >viewing this in Acrobat.
> 
> We've just left my sphere of knowledge surrounding Ghostscript.  If 
> you or someone else can tell me what to type into gs or some such, I 
> can handle that.

:-)  Let me try first.

> I have viewed this PDF with Acrobat Reader 5 in OS X and it 
> _does_not_ exhibit this problem.  I can reduce the scale down to 
> about 0.08 and I still see the blue blob.

OK; this sounds like the problem is with Apple's viewer then.
Perhaps a feature ?


Cheers,

	Ross


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