Uwe Stöhr wrote:
asm23 schrieb:Since I update my Miktex to the latest package yesterday, I found this difference has gone, both cases will give a nice pdf. So we don't need these statement in preamble any more.That's not true. When you use the default fonts, you still get the font "Computer Modern". You'll see this in the PDF when you zoom to 800 - 1200 % - the font is pixeld. When you go to the PDF document properties, you can see that the used font type it "Type 3" which is a bitmap font, see attached.
Yes, you are right. And I'm sorry I was wrong. The empty preamble Lyx document will give a "Type 3" bitmap font. If I use " % set fonts for nicer pdf view\IfFileExists{lmodern.sty}{\usepackage{lmodern}}{} " code, the generated pdf has "Type 1" vector font, which is nicer and high quality.
Thanks for your time and your help! The attachment was the screenshot of the pdf files after zoom to 1600%.
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<<inline: 1.PNG>>