Summary: | Tif conversion and resolution - customer tracking | ||
---|---|---|---|
Product: | Ghostscript | Reporter: | Marcos H. Woehrmann <marcos.woehrmann> |
Component: | Images | Assignee: | Marcos H. Woehrmann <marcos.woehrmann> |
Status: | NOTIFIED WORKSFORME | ||
Severity: | normal | CC: | alex |
Priority: | P2 | ||
Version: | master | ||
Hardware: | PC | ||
OS: | All | ||
Customer: | Word Size: | --- |
Description
Marcos H. Woehrmann
2011-09-10 01:41:45 UTC
I'm missing something here. Every sampled image takes more space at higher resolution, although compression can reduce this effect to some degree. In fact, the source file + Ghostscript can be considered as a compression technique that only adds a constant to the source file size. Low resolution images lose details and develop aliasing effects. Rendering of a PS or PDF file may upsample the embedded raster images and result in larger output file that the source file. Analysis showed it was a problem with the TIFF view the customer was using: I took a look at the files you sent last week and it does appear to be a problem with the TIFF viewer you are using. I loaded the Out2.tif file you sent into Apple Preview on my iMac. Printing the file to a printer using 100% scaling produces the correct output; the photos on pages 3 and 4 are printed smaller than the rest of the pages. I've attached screenshots of the print preview page showing this. |