Hello!
I have been struggling for a couple of days trying to solve this problem. Basically, I import an image, then I do some processing and I export it as a PDF. So far, there was no need to have a high resolution view of the image, but now I do need to export a good quality PDF.
The image has dimensions of 6510×7305 – and it is class uint8.
I have tried multiple approaches and read many threads in this forum with no luck. I have used exportfig, export_fig, saveas, print, and other options but the problem seem to lie in that I always rely on what is shown on screen and therefore, the resolution goes down dramatically. As suggested in other threads, I have changed the resolution but it does not help (like using -native or -q101 in export_fig).
I do understand that there is a difference between the actual variable being saved and the commands that save what is being displayed. My main issue right now is that I do not know how to directly save into a PDF.
On the left you see the kind of quality that I see when I zoom in after I have exported the images (no matter what method I use, it looks similar every time) and on the right how the original image looks when I zoom in the figure within matlab (in the figure wintow).
If anyone could help me, I would much appreciate it! All I am hoping to do is to save to PDF the large image stored in a given variable with enough resolution so that I can see the rings (as in the figure attached).
I wanted to attach the image as a mat file but the mat file is ~50mb. It may be worth also mentioning that I am using the 2018 version of matlab.
Best, Nico.
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