iBook fuzzy page on turning

Bookathon · 07-20-2010, 11:15 AM

I have noticed when you turn a page of a PDF it takes a moment for the next page to become readable, it's fuzzy first and than clear, it happens with PDF only and in any orientation, I have tried same PDF in goodreader but no problem there, has anybody noticed it? It becomes annoying after a while.

scottjl · 07-20-2010, 11:23 AM

it's apple's PDF rendering engine. that's the way it works. so you'll see that behavior in safari, ibooks, anything that uses the built-in rendering engine. good reader uses their own engine.

Bookathon · 07-20-2010, 11:30 AM

Ok it's just not me, this rendering engine is bothersome for sure, it does not happen in windows, I don't have much Mac os experience.

scottjl · 07-20-2010, 11:31 AM

it's not the mac. it's the ipad. the fast preview is blurry, then it renders it properly for whatever zoom level you have set. it doesn't do any pre-rendering or it would look fine immediately. goodreader does background processing that pre-renders pages.

JSWolf · 07-20-2010, 11:32 AM

Goodreade ris very good for viewing PDF on an iPad. It even allows you to crop the margins for a nice zoom.

07-20-2010, 11:15 AM	#1
Bookathon Bookaholic Posts: 72 Karma: 142 Join Date: Dec 2008 Device: Kindle 1, 3, Ipad	iBook fuzzy page on turning I have noticed when you turn a page of a PDF it takes a moment for the next page to become readable, it's fuzzy first and than clear, it happens with PDF only and in any orientation, I have tried same PDF in goodreader but no problem there, has anybody noticed it? It becomes annoying after a while.

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07-20-2010, 11:23 AM	#2
scottjl Reader of Books Posts: 1,632 Karma: 2697 Join Date: Oct 2009 Device: none	it's apple's PDF rendering engine. that's the way it works. so you'll see that behavior in safari, ibooks, anything that uses the built-in rendering engine. good reader uses their own engine.

07-20-2010, 11:30 AM	#3
Bookathon Bookaholic Posts: 72 Karma: 142 Join Date: Dec 2008 Device: Kindle 1, 3, Ipad	Ok it's just not me, this rendering engine is bothersome for sure, it does not happen in windows, I don't have much Mac os experience.

07-20-2010, 11:31 AM	#4
scottjl Reader of Books Posts: 1,632 Karma: 2697 Join Date: Oct 2009 Device: none	it's not the mac. it's the ipad. the fast preview is blurry, then it renders it properly for whatever zoom level you have set. it doesn't do any pre-rendering or it would look fine immediately. goodreader does background processing that pre-renders pages.

07-20-2010, 11:32 AM	#5
JSWolf Resident Curmudgeon Posts: 78,964 Karma: 144284074 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	Goodreade ris very good for viewing PDF on an iPad. It even allows you to crop the margins for a nice zoom.

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