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Old 03-02-2019, 08:32 PM   #1
anonymust
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Why cant Marvin do PDFs?

Why cant Marvin3 on my ipad open PDFs?

I love the app soo much working alongside with Calibre
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Old 03-03-2019, 02:11 AM   #2
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It was never designed to. Don't forget that pdf's are really just images where as epub's are proper re-flowable text files.
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Old 03-03-2019, 07:28 AM   #3
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It was never designed to. Don't forget that pdf's are really just images where as epub's are proper re-flowable text files.
Well, no they are not just images. PDF is a page formatting language. Some people use it to display page images rather than text, but that's not really it's primary use. It is different than epubs, of course, but Books handles both, so it's not irrational to ask the question. The answer is that PDF is a different format, just like mobi and any number of formats. The developer of Marvin focused on epubs.
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Old 03-03-2019, 08:21 AM   #4
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If you want to view, manage and annotate PDFs on an iPad, get "GoodReader". It is (IMHO) by far and away the best PDF tool around for the iPad.

(And no, PDFs are assuredly not "just images"!)
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Old 03-03-2019, 02:57 PM   #5
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If you want to view, manage and annotate PDFs on an iPad, get "GoodReader". It is (IMHO) by far and away the best PDF tool around for the iPad.

(And no, PDFs are assuredly not "just images"!)
About 15 years ago, I had to write a program to display Text from PDF's at work. There is actually quite a bit of documentation on reading PDF's.
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Old 03-03-2019, 03:11 PM   #6
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Since 2008 the PDF file format has been an ISO standard (ISO 32000-1) and hence is fully documented:

https://www.iso.org/standard/51502.html
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Old 03-04-2019, 01:12 AM   #7
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Originally Posted by HarryT View Post
If you want to view, manage and annotate PDFs on an iPad, get "GoodReader". It is (IMHO) by far and away the best PDF tool around for the iPad.

(And no, PDFs are assuredly not "just images"!)
If you just want to view, manage and annotate PDFs as well as EPUBs, all in the same app, on any iOS device, then get MapleRead SE. IMHO, it is the best app for this purpose.
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Old 03-04-2019, 02:16 AM   #8
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If you just want to view, manage and annotate PDFs as well as EPUBs, all in the same app, on any iOS device, then get MapleRead SE. IMHO, it is the best app for this purpose.
Does it allow you to have multiple PDFs open simultaneously and rapidly flip between them? That's a basic function which is essential when using PDFs for academic research, but which is sadly lacking in many apps. GoodReader does it extremely well - it allows you to rapidly flip between documents (or even different parts of the same document) and to view two documents side by side in portrait mode.
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Old 03-20-2019, 06:36 AM   #9
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If you want to view... PDFs on an iPad, get "GoodReader"
Does GoodReader have OPDS syncing features? so I don't have to drag and drop files to my iPad
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Old 03-20-2019, 09:53 AM   #10
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Does GoodReader have OPDS syncing features? so I don't have to drag and drop files to my iPad
I don't know, I'm afraid. It supports loading from Dropbox, Google Drive, and OneDrive, as well as FTP, WebDAV, and SMB servers.

GoodReader supports the "Open With..." protocol on iPad, so even if it doesn't support OPDS natively, would you not simply be able to browse the OPDS catalogue using a web browser, select the book that you want, and use "Open With" to open it in GoodReader?
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Old 04-04-2019, 02:00 AM   #11
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Why cant Marvin3 on my ipad open PDFs?

I love the app soo much working alongside with Calibre
Marvin Classic and Marvin 3 were never designed to work with PDFs in the first place. Supporting PDFs reasonably well simply requires a lot of extra development work relative to what's needed to be done for EPUB. I bet there will never be PDF support in Marvin 3, since I've used both apps and watched its development history over the years.

If you just want to view, manage and annotate PDFs as well as EPUBs, all in the same app, on any iOS device, and work well with Calibre OPDS content server, then get MapleRead SE. IMHO, it is the best app for this purpose. I've used it for years.

HarryT is a big fan of GoodReader. It is a very good app too. I've used it too. But for what you want, it seems to be an overkill in some aspects, and insufficient in other aspects such as Calibre OPDS content server.
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Old 07-31-2019, 09:36 PM   #12
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Not Marvin but you could take BookFusion for a spin. You will be able to read PDF, EPUB, MOBI, CBZ/CBR and several other formats while your highlights, bookmarks and reading progress will be synced across all devices.

We just released an updated iOS app which has several improvements. https://itunes.apple.com/us/app/bookfusion/id1141834096

Additionally we also have a nice Calibre plugin to allow you to easily sync your eBooks across all your devices. More at https://www.bookfusion.com/reading/calibre

PS: Founder at BookFusion. Please feel free to PM me with feedback or suggestions.
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