Page 1 of 1

Why new sizes are less than original?

Posted: Mon Jan 05, 2009 12:31 pm
by durumdara
Hi!

I have many new images that I converted with nconvert.

The sizes, and all other jpg properties are same. The quality is 100%.

For example:

Code: Select all

"C:\Program Files\XnView\nconvert.exe" -out jpeg -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.org.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
"C:\Program Files\XnView\nconvert.exe" -ctype grey -corder inter -out jpeg -grey 256 -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.baw.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
"C:\Program Files\XnView\nconvert.exe" -autocontrast -out jpeg -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.cnt.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
"C:\Program Files\XnView\nconvert.exe" -autolevels -out jpeg -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.lev.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
"C:\Program Files\XnView\nconvert.exe" -normalize -out jpeg -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.nrm.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
"C:\Program Files\XnView\nconvert.exe" -equalize -out jpeg -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.equ.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
"C:\Program Files\XnView\nconvert.exe" -log -out jpeg -o "C:\Dev\XNViewConverter\testdir\__processed__\dalai-lama.log.jpg" "C:\Dev\XNViewConverter\testdir\dalai-lama.jpg" 
The input file size is 100000 byte, the output is 29-40K.
Or another original image size is 493K, the output is 115K.

What I do wrong?

Thanks for your help:
dd

Re: Why new sizes are less than original?

Posted: Mon Jan 05, 2009 1:06 pm
by xnview
durumdara wrote: The input file size is 100000 byte, the output is 29-40K.
Or another original image size is 493K, the output is 115K.

What I do wrong?
You can control quality with -q

Re: Why new sizes are less than original?

Posted: Mon Jan 05, 2009 1:30 pm
by durumdara
xnview wrote:
durumdara wrote: The input file size is 100000 byte, the output is 29-40K.
Or another original image size is 493K, the output is 115K.

What I do wrong?
You can control quality with -q
That was!!! Thanks!

Interesting, because the help said that -q 100 default.
But if I forget to set it to 100, I got another result... Hmmmmm...
Possible that help is wrong in this param?

Thanks for it, but please help me a little: what is PCD???
Sorry, but I don't know...

dd

Re: Why new sizes are less than original?

Posted: Mon Jan 05, 2009 7:13 pm
by xnview
durumdara wrote: Thanks for it, but please help me a little: what is PCD???
It's a format from kodak