Thumbnails not always showing up

jlmwrite · 10-13-2010, 12:33 AM

This is a problem that crops up for me from time to time, no matter if I'm converting 2 books or 50. About half of my books come to me in epub and the rest in mobi; I always update the metadata and cover art as needed before converting all books to mobi.

Once I load the converted books to MobiPocket, I always find one or two that don't display the cover art thumbnails. It's really not hard to correct using mobi2mobi but after my last mass conversion, I had to edit 7 of the 35 books. calibre does have the cover art in the folder which is what I use to do the edit.

I searched the forum and can't find anyone with the same problem. Any ideas?

itimpi · 10-13-2010, 04:09 AM

The cover art does not normally get inserted into the ebook file until you run a conversion. Are the problem files ones that you get in mobi format in the first place? If so you need to run a mobi-mobi conversion to get the cover art updated.

jlmwrite · 10-13-2010, 09:27 AM

I update the metadata and cover art (if not already present), then do the mobi->mobi (or occasionally epub->mobi) conversion.

THEN I load the converted files into MobiPocket, only to find the thumbnails aren't always present. That's the issue -- they show up on most files, but are missing on a very few.

kovidgoyal · 10-13-2010, 11:47 AM

you need to open a ticket and attach a file which on conversion results in a mobi file without a cover.

jlmwrite · 10-13-2010, 12:13 PM

Thanks, I will do that.

10-13-2010, 12:33 AM	#1
jlmwrite Zealot Posts: 143 Karma: 13398 Join Date: Feb 2010 Location: Golden, Colorado Device: Samsung Tab S8.4, Samsung Galaxy S7 Edge	Thumbnails not always showing up This is a problem that crops up for me from time to time, no matter if I'm converting 2 books or 50. About half of my books come to me in epub and the rest in mobi; I always update the metadata and cover art as needed before converting all books to mobi. Once I load the converted books to MobiPocket, I always find one or two that don't display the cover art thumbnails. It's really not hard to correct using mobi2mobi but after my last mass conversion, I had to edit 7 of the 35 books. calibre does have the cover art in the folder which is what I use to do the edit. I searched the forum and can't find anyone with the same problem. Any ideas?

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10-13-2010, 04:09 AM	#2
itimpi Wizard Posts: 4,552 Karma: 950151 Join Date: Nov 2008 Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)	The cover art does not normally get inserted into the ebook file until you run a conversion. Are the problem files ones that you get in mobi format in the first place? If so you need to run a mobi-mobi conversion to get the cover art updated.

10-13-2010, 09:27 AM	#3
jlmwrite Zealot Posts: 143 Karma: 13398 Join Date: Feb 2010 Location: Golden, Colorado Device: Samsung Tab S8.4, Samsung Galaxy S7 Edge	I update the metadata and cover art (if not already present), then do the mobi->mobi (or occasionally epub->mobi) conversion. THEN I load the converted files into MobiPocket, only to find the thumbnails aren't always present. That's the issue -- they show up on most files, but are missing on a very few.

10-13-2010, 11:47 AM	#4
kovidgoyal creator of calibre Posts: 43,858 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	you need to open a ticket and attach a file which on conversion results in a mobi file without a cover.

10-13-2010, 12:13 PM	#5
jlmwrite Zealot Posts: 143 Karma: 13398 Join Date: Feb 2010 Location: Golden, Colorado Device: Samsung Tab S8.4, Samsung Galaxy S7 Edge	Thanks, I will do that.

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