Search found 4217 matches

by jsachs
May 18th, 2009, 8:00 am
Forum: Picture Window Support
Topic: TIFF and LZH and ZIP compression
Replies: 2
Views: 4120

Re: TIFF and LZH and ZIP compression

It can be proven mathematically that there is no compression scheme that will not enlarge some files. Both LZW and ZIP depend on finding repeating patterns within the image which may be few and far between for noisy images. They compress the most on very soft images or images with large blocks of so...
by jsachs
May 9th, 2009, 7:29 pm
Forum: Profile Mechanic Announcements and Support
Topic: 64 bit computer
Replies: 4
Views: 15751

Re: 64 bit computer

I don't think so, but I haven't tried it. I seriously doubt if the drivers for the colorimeter will not install.
by jsachs
May 5th, 2009, 9:54 am
Forum: Picture Window Support
Topic: Transformation Brightness Curve
Replies: 3
Views: 5181

Re: Transformation Brightness Curve

Thanks, I have fixed this for the next maintenance release.
by jsachs
May 3rd, 2009, 5:57 pm
Forum: Picture Window Support
Topic: Advanced Sharpening not available any more in PWPro 5.0?
Replies: 4
Views: 6191

Re: Advanced Sharpening not available any more in PWPro 5.0?

Sounds like you downloaded the standard and not the pro version.
by jsachs
May 2nd, 2009, 1:37 pm
Forum: Picture Window Support
Topic: Masking and 2-Zone and 3-Zone transformations
Replies: 4
Views: 6544

Re: Masking and 2-Zone and 3-Zone transformations

Not within the tranformation - as with any transformation you can create a mask manually and use Composite to blend the transformed image back into the original image with the mask to restrict the effect to certain areas.
by jsachs
May 2nd, 2009, 6:13 am
Forum: Picture Window Support
Topic: Bilateral Sharpen experiences
Replies: 3
Views: 5382

Re: Bilateral Sharpen experiences

There is an extensive discussion of bilateral sharpening in the updated white paper Sharpen.pdf.
by jsachs
April 28th, 2009, 4:20 pm
Forum: Picture Window Support
Topic: Viewing Messages
Replies: 21
Views: 23245

Re: Viewing Messages

In IE8, I think all the triangle disappear if you switch to compatibility mode.
by jsachs
April 28th, 2009, 7:09 am
Forum: Picture Window Support
Topic: Illumination, Colour Temp and Monitor Curves
Replies: 9
Views: 11483

Re: Illumination, Colour Temp and Monitor Curves

The black density varies with the printer and ink. Coated papers get a much denser black.
by jsachs
April 27th, 2009, 5:18 pm
Forum: Picture Window Support
Topic: Editting posts
Replies: 6
Views: 8424

Re: Editting posts

I think I found the setting - I set the time limit to edit posts to 2 hours. It was set to zero which apparently disables editing.
by jsachs
April 27th, 2009, 10:28 am
Forum: Picture Window Support
Topic: Naive Theoretical Colour Mgmt. continued.
Replies: 10
Views: 16222

Re: Naive Theoretical Colour Mgmt. continued.

It depends on the target profile.

With the possible exception of some V4 Monitor profiles I would assume that the monitor rendering intent is not supported by any monitor profiles.