Antique Photograph

It's fairly easy to re-create the look of an antique photograph from the early 20th century, late 19th century, or even earlier. While the goal earlier in the chapter was to create the best possible grayscale conversion of a color image, some really bad conversions can look interesting, too. First, let's work on a fully saturated, fairly decent color image, using the original, unmodified version of our Castle Garden photo. Just follow these steps.

1. Choose Image > Calculations to access the dialog box shown in Figure 7.22. This is the Channel

Calculations dialog box, which allows us to choose any channel from any layer of any image, known as the base channel, and merge it with a channel from any other layer, known as the blend channel. It's a powerful feature, indeed. This exercise will show a little of how it works.

Figure 7.22. The Calculations dialog box lets you merge channels from one or more images.

Figure 7.22. The Calculations dialog box lets you merge channels from one or more images.

2. In the Source 1 and Source 2 areas, make sure the Background layer from the Castle Garden photo is selected. Unless you've added layers to the image, this will be your only choice, in fact.

3. For the Channel in Source 1, select the Red channel. We'll be using it as the base channel for the merger.

4. For the Channel in Source 2, select the Green channel, making it the blend channel.

5. For Blending, choose Exclusion from the drop-down list. I'll explain why shortly.

6. For Opacity, choose 50 percent. This will blend the Red and Green channels evenly, using the rules of the Exclusion blending mode.

7. In the Result box, choose New Document from the drop-down list. This will create a new image containing the blended photo.

8. Click on OK to create the new document, which should look like Figure 7.23.

This documentis createdwith trialversionof CHM2PDFPMot2.16.100.0k, created by merging Red and

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