Why is the following PDF so slow to render and how can I make it faster to render?

[student_19-g80vpv]

Dear all,

I was wondering whether it was possible for me to investigate why the following PDF is so slow to render; I am not aware that there is a way for me to include a PDF, therefore I have shared it using DocDroid (Example.pdf - DocDroid).

The question is, how can I optimize this PDF such that the vector image will be rendered a bit faster? I have tried already flattening the image, but it is no use and I can't see why this is so hard to render.

Thanks for your help.

[Guest]

Hi ,

Navigate to Edit>Preferences>Page Display>Rendering>Select Smooth Text to Monitor and see if that fixes it.

Regards

Sukrit Dhingra

[Test Screen Name]

I've never seen a page render so slowly (or rather, just go to sleep and pick up later). Intriguing...

Well, at the core of the page it draws a line from 57.31 153.10 to 271.32 207.10. Which is fine. But it does the same line just over 100,000 times. This is going to take a while, with the best will in the world.

[student_19-g80vpv]

Dear Test Screen Name,

may I ask how you know that the same line is drawn 100 000 times? How did you figure this out and can I remove the 99 999 lines myself?

Thanks

[Test Screen Name]

I Analysed the PDF with special tools (not public). There is no realistic prospect of removing all but one of the 100000+ lines, this must be fixed in the original or PDF creation tool.