Wrong borders on the covers of books

gbortoluzzi87 · 07-16-2013, 08:10 AM

Hello!

I searched my question in this forum, but I didn't find.

I'm used to using calibre for all my books. I have a kobo touch.

But with some of them I've been having problems with the covers.

I downloaded some covers from internet and add it in "metadata". But they were wrong, in the borders. Then I used the "download button" of calibre and the problem persisted.

I really don't know what to do, I'm frustraded, because I always did it and it was correctly. I don't understand why... I deleted the books from my kobo and putted them again and nothing. I tried to change the picture resolution with "photoscape" and "photosizer" but none of them resolved my problem!

What are the perfect size for the covers?

Thanks a lot and please, forgive my bad english!

davidfor · 07-16-2013, 09:54 AM

Kobo generates the cover images from the first page of the book. So, whatever that looks like will be what it uses. And they will be generated with the current reading settings you are used. This means if you have wide margins, there will be a lot space on either side of the actual cover.

If you update the metadata to have a new cover, this should be put into the book when it is sent to the device. Calibre updates the book as it is sent with the metadata from the library, When it updates the cover, it needs to be able to identify the current cover. This isn't always possible, so the existing cover doesn't get replaced. If you have a case like that, you can get the cover replaced using the Polish Books function or a conversion.

If this still doesn't work, you can send the covers separately when sending the books. The driver for Kobo devices has options to do this. In the driver configuration, the options are "Upload covers for books", "Keep cover aspect ratio" and "Upload Black and White covers".

07-16-2013, 08:10 AM	#1
gbortoluzzi87 Junior Member Posts: 3 Karma: 10 Join Date: May 2013 Device: Kobo Touch	Wrong borders on the covers of books Hello! I searched my question in this forum, but I didn't find. I'm used to using calibre for all my books. I have a kobo touch. But with some of them I've been having problems with the covers. I downloaded some covers from internet and add it in "metadata". But they were wrong, in the borders. Then I used the "download button" of calibre and the problem persisted. I really don't know what to do, I'm frustraded, because I always did it and it was correctly. I don't understand why... I deleted the books from my kobo and putted them again and nothing. I tried to change the picture resolution with "photoscape" and "photosizer" but none of them resolved my problem! What are the perfect size for the covers? Thanks a lot and please, forgive my bad english!

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07-16-2013, 09:54 AM	#2
davidfor Grand Sorcerer Posts: 24,905 Karma: 47303824 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	Kobo generates the cover images from the first page of the book. So, whatever that looks like will be what it uses. And they will be generated with the current reading settings you are used. This means if you have wide margins, there will be a lot space on either side of the actual cover. If you update the metadata to have a new cover, this should be put into the book when it is sent to the device. Calibre updates the book as it is sent with the metadata from the library, When it updates the cover, it needs to be able to identify the current cover. This isn't always possible, so the existing cover doesn't get replaced. If you have a case like that, you can get the cover replaced using the Polish Books function or a conversion. If this still doesn't work, you can send the covers separately when sending the books. The driver for Kobo devices has options to do this. In the driver configuration, the options are "Upload covers for books", "Keep cover aspect ratio" and "Upload Black and White covers".

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