what is 'Page Setup' (Calibre)

u238110 · 07-26-2014, 07:23 PM

Having trouble understanding what Page Setup is in Calibre's conversion settings. I thought the nature of EPUB and MOBI was that there was no inherent page setup and that the text simply conforms to the device. Furthermore, Generic e-ink and Default Output Profile both sound very similar, both in their titles and their descriptions.

jackie_w · 07-28-2014, 06:50 AM

The Output profile is used during calibre conversions to scale down images to a size the device's screen can display. If you want to make sure images aren't rescaled always choose the Tablet setting.

u238110 · 07-28-2014, 08:47 PM

Thanks!

u238110 · 02-03-2015, 10:54 PM

So anything other than Tablet permanently changes the size of images?

JSWolf · 02-03-2015, 11:09 PM

Quote:

Originally Posted by u238110

So anything other than Tablet permanently changes the size of images?

If the images are larger then the size specified for the output profile, then on conversion, they will be reduced. Using Tablet as the output profile, no images get reduced no matter the size.

u238110 · 03-06-2015, 05:10 AM

Don't images get resized by the device anyway? What's the point of permanently resizing them?

itimpi · 03-06-2015, 09:01 AM

Quote:

Originally Posted by u238110

Don't images get resized by the device anyway? What's the point of permanently resizing them?

Traditionally this has been done to reduce the storage requirement for books on the device. As device have got more storage space as standard this has become less important.

I guess on older devices there was also a potential performance advantage if the system did not have to do dynamic resizing of images. However I suspect the gain there was always marginal.

Section8 · 03-06-2015, 10:02 AM

Quote:

Originally Posted by u238110

Don't images get resized by the device anyway? What's the point of permanently resizing them?

Almost every device or android epub reader app I've used supports some method of viewing & zooming high resolution images. This is especially important for images with text, such as maps, on a small screen device. So I also have the output profile set to tablet.

u238110 · 03-06-2015, 11:21 AM

So why is Calibre set to ruin peoples' books by default?

JSWolf · 03-09-2015, 10:09 PM

The output profiles are relatively worthless these days. If you set yourself to Kindle and you have a Voyage, your images get resized for 800x600 and that won't work all that well on the high resolution screen. This is why it's best to set the output profile to Tablet as that's the one that doesn't resize any of the graphics.

07-26-2014, 07:23 PM	#1
u238110 Connoisseur Posts: 91 Karma: 10 Join Date: Feb 2014 Location: Long Island, NY Device: Aura, N514KUBKKEP, 4.7.10.413	what is 'Page Setup' (Calibre) Having trouble understanding what Page Setup is in Calibre's conversion settings. I thought the nature of EPUB and MOBI was that there was no inherent page setup and that the text simply conforms to the device. Furthermore, Generic e-ink and Default Output Profile both sound very similar, both in their titles and their descriptions. Last edited by u238110; 07-26-2014 at 07:27 PM.

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07-28-2014, 06:50 AM	#2
jackie_w Grand Sorcerer Posts: 6,251 Karma: 16539642 Join Date: Sep 2009 Location: UK Device: ClaraHD, Forma, Libra2, Clara2E, LibraCol, PBTouchHD3	The Output profile is used during calibre conversions to scale down images to a size the device's screen can display. If you want to make sure images aren't rescaled always choose the Tablet setting.

07-28-2014, 08:47 PM	#3
u238110 Connoisseur Posts: 91 Karma: 10 Join Date: Feb 2014 Location: Long Island, NY Device: Aura, N514KUBKKEP, 4.7.10.413	Thanks!

02-03-2015, 10:54 PM	#4
u238110 Connoisseur Posts: 91 Karma: 10 Join Date: Feb 2014 Location: Long Island, NY Device: Aura, N514KUBKKEP, 4.7.10.413	So anything other than Tablet permanently changes the size of images?

03-06-2015, 05:10 AM	#6
u238110 Connoisseur Posts: 91 Karma: 10 Join Date: Feb 2014 Location: Long Island, NY Device: Aura, N514KUBKKEP, 4.7.10.413	Don't images get resized by the device anyway? What's the point of permanently resizing them?

03-06-2015, 11:21 AM	#9
u238110 Connoisseur Posts: 91 Karma: 10 Join Date: Feb 2014 Location: Long Island, NY Device: Aura, N514KUBKKEP, 4.7.10.413	So why is Calibre set to ruin peoples' books by default?

03-09-2015, 10:09 PM	#10
JSWolf Resident Curmudgeon Posts: 79,692 Karma: 145864619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	The output profiles are relatively worthless these days. If you set yourself to Kindle and you have a Voyage, your images get resized for 800x600 and that won't work all that well on the high resolution screen. This is why it's best to set the output profile to Tablet as that's the one that doesn't resize any of the graphics.

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