Legacy ImageMagick Discussions Archive

I have a multipage TIFF that, based on "identify -verbose" below, is a TIFF container of TIFF images with JPEG compression.


Dees jpeg compression mean that if I do stuff like move pages around, or add a page into the middle of this multipage TIFF, the image quality will deteriorate? I ask not ...

Is the pixel dimensions 2600x3800+0+ ?
Is the density 400x400 pixels per inch?

Here's a bit of the printout from the command you helpfully provided. Let me know if I have not copy-pasted important stuff.

Format: TIFF (Tagged Image File Format)
Mime type: image/tiff
Class: DirectClass
Geometry ...

fmw42 wrote: 2017-09-20T23:37:00-07:00 Convert inches to pixels using nominal density of 72 dpi. Then resize all the images to that pixel size and output as a new tif

How exactly do I do those 2 sentences?

Also, when I scanned the pages into Tiffs, I choose 400 DPI on the scanner. Will we lose image quality by going with 72 DPI?

I have 6 things I want to combine into one multipage TIFF.

1) a 40-page TIFF (all are 6.5 inches by 9.5 inches)
2) a jpeg (2 square inches)
3) a second jpg (2 square inches)
4) a third jpeg (6.5 x 9.5 inches)
5) a fourth jpeg (6.5 x 9.5 inches)
6) a 60-page TIFF (all are 6.5 x 9.5 inches)


If it ...