Charts garbled in portrait mode but fine in landscape

iGigBook Sheet Music Manager App for iPad and Android Tablets
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Scot Larsen
iGigBook User
Posts: 37
Joined: Sun May 20, 2012 6:14 pm

Charts garbled in portrait mode but fine in landscape

Post by Scot Larsen »

Hi,

Some charts are garbled in portrait mode but appear fine in landscape mode. The PDF files in Acrobat on my MacBook Pro look fine/as expected. Not sure if it's related to upgrading but the charts used to appear fine in both portrait and landscape back in earlier versions of igigbook.

Here is an example of one of the offending charts in portrait mode:

Image
https://ibb.co/0nZXJvy

Here is the same chart if I turn my iPad sideways to view in landscape mode:

Image
https://ibb.co/pxnQJKB

I have an iPad Pro (12.9-inch) (2nd generation) on the latest iOS (14.4) and igigbook (7.6).

Thanks and thanks for the awesome app.
Last edited by Scot Larsen on Sun Mar 07, 2021 12:58 pm, edited 2 times in total.

Scot Larsen
iGigBook User
Posts: 37
Joined: Sun May 20, 2012 6:14 pm

Re: Charts garbled in portrait mode but fine in landscape

Post by Scot Larsen »

So far I've only noticed the problem in one particular book/pdf file (I created the PDF for this one).

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Phil Smith
iGigBook Specialist
Posts: 2787
Joined: Tue Oct 19, 2010 8:00 pm

Re: Charts garbled in portrait mode but fine in landscape

Post by Phil Smith »

We've had other people report this issue but to date have not been able to track down exactly why this is happening but do know that it surfaced during iOS 13 or 14. We had one PDF that had the same issue on certain pages, not the entire PDF, we still at a loss of what's actually causing this behavior and we're using Apple's rendering engine. I wish I had a better answer for you but that's all we know right now.
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Scot Larsen
iGigBook User
Posts: 37
Joined: Sun May 20, 2012 6:14 pm

Re: Charts garbled in portrait mode but fine in landscape

Post by Scot Larsen »

Thanks, Phil. I noticed that it's a range of pages - 63-123 and the PDF has 227 pages. I tried using a couple of different online "PDF Repair" sites online but that made it so even more pages had the problem. I tried to open in the Mac Preview app and then exported to PDF. That didn't help. Maybe I'll try to export everything to jpeg and then create a new PDF but I'll have to figure out how to do that without buying stuff from Adobe. Appreciate your help and let me know if there's anything I can do to help.

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Phil Smith
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Posts: 2787
Joined: Tue Oct 19, 2010 8:00 pm

Re: Charts garbled in portrait mode but fine in landscape

Post by Phil Smith »

Scot Larsen wrote:
Sun Mar 07, 2021 1:06 pm
Thanks, Phil. I noticed that it's a range of pages - 63-123 and the PDF has 227 pages. I tried using a couple of different online "PDF Repair" sites online but that made it so even more pages had the problem. I tried to open in the Mac Preview app and then exported to PDF. That didn't help. Maybe I'll try to export everything to jpeg and then create a new PDF but I'll have to figure out how to do that without buying stuff from Adobe. Appreciate your help and let me know if there's anything I can do to help.
What may help is a program or app that allows you to print to PDF. You open the PDF in that program or app and then print it to PDF.
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Scot Larsen
iGigBook User
Posts: 37
Joined: Sun May 20, 2012 6:14 pm

Re: Charts garbled in portrait mode but fine in landscape

Post by Scot Larsen »

I opened the PDF in the Mac Preview application, printed and selected "PDF" as the printer option. That seemed to make things worse similarly to doing the online repair thing. I found a free online utility on Adobe's site for exporting PDF -> jpg. Did that and created a new PDF with the jpg files using the Preview app. That fixed the garbling problem. The images are smaller now - i.e. more white space/borders. Is there a way to permanently make the actual image larger (crop or whatever it's called) within igigbook? I suspect not but that would be really great if so. Thanks for your help, Phil.

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