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Step 1
Open the two images you wish to combine.
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Step 2
Choose "Arithmetic" from the "Image" menu. This will open the Arithmetic dialog.
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Step 3
Select an image from the "Image No. 1" dropdown list and an image from the "Image No. 2" dropdown list. The image you select from the "Image No. 1" list determines what size the combined image will be; the appearance will otherwise be the same regardless of which of the two images is Image No. 1 and which is Image No. 2.
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Step 4
Pick a method for combining the images from the "Function" group box: Add, Subtract, Multiply, Difference, Lightest, Darkest, Average, (Binary) Or, (Binary) And or (Binary) And/Or.
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Step 5
Mark the "All channels" check box to use all three color channels (red, green, blue) from both images in the combined image. To use only one of the color channels from each image, select that channel for each image. The combined image will be a 24-bit image.
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Step 6
Include the modifier options of your choice from the "Modifiers" group box: Divisor, Bias or Clip Color Values.
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Step 7
Click "OK" to combine the images.
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Step 1
Open the images you wish to composite. You may wish to first save the images in Paint Shop Pro's native format and then open those versions of the images.
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Step 2
Decide which image is to be the background image. Note this image's dimensions. Choose one of the other images, then select "Copy" from the "Edit" menu.
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Step 3
Go to the background image, then select "Paste" from the "Edit" menu and "Paste As New Layer" from the "Paste" submenu.
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Step 4
Display the Layer palette by selecting "Toolbars" from the "View" menu, then checking the box in front of "Layer palette" from the Toolbars dialog.
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Step 5
Slide the opacity slider for the copied layer to the left to increase the transparency of the pasted layer, allowing the background layer to show through.
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Step 6
Repeat Steps 3 through 6 for any additional images you wish to add.
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Step 7
Merge the layers into a single image by selecting "Merge" from the "Layers" menu. Save the composite image by choosing "Save As" from the "File" menu and giving it a new name.









