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I used a very early version of Terrain 3d as well as the ImageJ application.

I use a variety of image analysis tools when investigating how different halftone screening solutions perform. These tools are normally used in the medical field to do image analysis of microscope acquired imagery. However I press them into service to analyze various aspects of halftone dot...

You can slip away to watch the auctioning of that banana here: Duct-taped banana artwork auctioned for $6.2m in New York

A moiré pattern is an artifact that occurs in the print reproduction process when any two, or more, repeating patterns overlap each other. The most common types of moiré encountered in the print production process. Scanning/sampling moiré These artifacts are caused by the frequency/angle of...

Printers and publishers have always looked to find ways to keep their businesses at the forefront in their customer's minds. One method was to provide them with a practical tool that would likely be used every day. In the past, giving away specialty rulers was a popular way to do this since they...

To convert CMYK to CMY can be easily done by comverting the CMYK image into RGB and reseparating the new RGB image into CMY by changing your color settings to Custom/no Black. Converting from CMYK to MYK - Convert the CMYK image into RGB. Then create a new blank CMYK image at the same...

Could you post a photo of a bar code on the Sonora plate?

When I worked at the graphics vendor Creo, one salesperson's test of a printshop's character - their commitment to customer service - wasn't its presswork or company motto but the state of its...toilets. It was the first part of the shop he would investigate during a sales call. His feeling...

Then there's this from the movie "Mr Blandings builds his dream house" 1948. Although it's about paint the same principles apply when discussing color with print buyers:

One thing I found very interesting is that the"primary' printing colors - Red,Yellow, Blue - in the examples are each made up of screens of two colors therefore they can't be primary' colors! That lack of technical rigor is a pervasive issue in the print world.

Organizing colors into some kind of system may have started some 16,000 years ago with the earliest artists, the Cro-Magnons, who lived in the cave that came to be known as Lascaux in France - as this wall painting and close up seems to suggest. However, the oldest color system known today...

No. Black is achromatic. Because Black will have the greatest Ink coverage then there might be issues related to black Ink drying at the delivery. UCR only replaces the chromatic cmy inks in the neutral and near neutrals. GCR, which is typically the default separation method today, replaces...

Normally, even if your\'re only printing k plus spot colors, you don't move the kcmy units as that causes unneeded washups. Normally the spot colors are after the kcmy. The reason is to achieve better Ink trapping. Ink unit position is all about optimizing wet Ink trapping.

Took the words right out of the post I was going to write. LOL

The short answer: The separations were made by Max Hofstetter of the Uvachrome Company in Munich Germany. He was sent to the U.S. when F.T. Powers of the Powers Photoengraving Company of New York purchased the U.S. rights to the Uvachrome process. Max used the Kromskop camera from Linhof in...