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Question

Generic Pixelated Image

Forum|Forum|7 years ago
December 6, 2018
4 replies
1646 views

I am using a software that allows users to generate a PDF report. There are PNG files saved in the temp folder that do not always transfer properly into the PDF - a generic pixelated image appears like the one below. Regardless of zoom setting. This happens to only a handful of users (less than 2%). The generic "sheet of paper" icons should be check boxes, the large blur should be a nice line graph..

Any tips are much appreciated.

This topic has been closed for replies.

T

Test Screen Name

Legend

My guess is that the software is picking up the wrong graphic file when making the PDF. You might find that the user's actions (e.g. using a temporary file) are the problem, or it might be that the software is reading the wrong file name or directory. It might also be that an API is sometimes failing and picking up a default image. Observe that there is only one substitution image NOT two different ones: it's just scaled and rotated in the big picture.

blyons99Author

Participating Frequently

Thanks very much for the help. I will forward some of these points to the team in hopes that a light bulb goes off!

try67

Community Expert

My guess is there's a reference to an image file that doesn't exist in the source material, so the application replaces it with this generic image placeholder.

T

Test Screen Name

Legend

I'm sure you can find another way to get the user's file. But the one you posted is informative. It certainly contains a blurry icon of a page. My money is very much on a fault in the software that makes the file or its setup. Have you asked the guys who made it?

blyons99Author

Participating Frequently

Thanks for the feedback. I assumed that since only about 20 out of 1000 users experience this issue that it was a problem on the user's end. Our software developers have not had enough time to take a detailed look into what may be causing the issue. One suggestion they offered was to check to see if the images files (PNG) are stored in the temp folder on the user's computer. In at least one instance, the PNG file was located in the temp folder, but the image was pixelated in the same manner as the PDF. All user's see the image as intended within the software, only when viewing the PDF is the image pixelated.

T

Test Screen Name

Legend

Thanks. But what is the result of the test I suggested?

blyons99Author

Participating Frequently

As mentioned above, my software user emailed me a raw data file (.json) which produces a "bad" image in their PDF. When I upload their raw data file into my software, then generate a PDF, my output is a good file with the correct imagery. I am not able to save their file from the users home computer to a USB since I am not in the proximity.

try67

Community Expert

This is something you need to look into in the application that produces the PDF files. Reader is not involved in that process. It only displays them.

blyons99Author

Participating Frequently

If the software application is where the issue is, why then does this only affect a very small percentage of users? We looked at the software and could not find any bug, assumed it was a user-specific computer setting - possibly browser related?

try67

Community Expert

You're opening the file in a browser? If so, which one?

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