Desaturate a color image with Corel Painter X

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How do you convert a color RGB image to a grayscale image using Corel Painter? I could not find any obvious command like Photoshop's or Gimp's Grayscale Mode command. After some fiddling around, I finally figured out a way to remove the color of an RGB image file using Corel Painter X's Match Palette command. My steps are describe below.
  1. Run Corel Painter X and open up an RGB color image.

    The color image is displayed.


  2. In the Colors palette, use the Hue/Saturation/Value wheel to choose black as the Main Color (front box) and white color (background box) as the Additional Color as shown in the figure below.

    Note: see my previous post on how to set the Main and Additional Colors.


  3. In the Gradients palette, click the Gradient Selector button as shown below.

    The list of gradients appears    .
  4. Choose the Two-Point gradient.

    The Two-Point gradient becomes the active gradient    .

  5. Select File > New.

    The New dialog box appears    .

  6. Click OK.

    A new file is created and displayed with the title Untitled-1.

  7. Click the Paint Bucket command in the main toolbar.

  8. In the Property bar's Fill drop down list, choose Gradient.



  9. Click anywhere inside the Untitled-1 file window.

    The grayscale gradient is created.


  10. Click the title bar of the color image window to activate it.

  11. Select Effects > Tonal Control > Match Palette as shown below.



    The Match Palette dialog box appears.


  12. In the Color slider field, drag the pointer all the way to the right at 100% as shown below.


  13. Click OK.

    The color image changes to a grayscale image.
There, that wasn't too difficult, was it?. Though the resultant image looks desaturated, essentially it is still an RGB image but with a grayscale color palette.

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