Rookie question: coloured spot inside B&W picture

Davide.Marzaloni

• 2016年04月26日 15:16

Hi all,
I've just wasted an hour searching how to use Capture On 9 as I did with PS for a long time: I need to convert a picture into B&W, with a small "masked" area in real colours ... 3 minutes task in PS, but I'm unable to do it by using Capture One 9.
Ok, this is a non CO9 main feature (photo editing), but I hope there should be a chance to avoid using PS again to a simple task like this one.

Thanks in advance for your time for a rookie ..

David

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  RichardT

  • 2016年04月26日 15:58

  Here is one way to do it:
  
  Select the Local Adjustments tab.
  Select the Draw Mask tool and draw a mask over the area where colors are to be preserved.
  Make sure the new adjustment layer is selected.
  In the LOCAL ADJUSTMENTS section, click on the triple-dot button and select "Invert Mask"
  In the EXPOSURE section set saturation to -100.

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  SFA

  • 2016年04月26日 16:08

  Have a look at the Styles that are installed with the application
  
  Go to Built in Presets > Colour Editor
  
  and you will find 3 examples for selecting only blue, red or green.
  
  From there you will be able to see the basics of the way to address the requirement. You can then adapt them and expand them for you own needs.
  
  If you need to "spot" a colour rather than retain it for the whole image then create an Adjustment layer and adjust the Colour Editor tool as per the sample presets and just brush in where you require it. (Note that it is not possible to apply a preset to a layer.)
  
  Alternatively you might find that selecting the colour you wish to retain in the Advanced Colour Editor tab and creating a adjustment mask using that colour selection could work for you.
  
  Once the mask layer is created go to the layer and invert the selection. Then desaturate everything. If the colour still exists in areas you do not want it to appear simply use the Paint brush (if inverted) to remove those areas.
  
  
  There are a number of additional ways to look at your requirement but these two seem to be the most likely approaches to get you started.
  
  
  HTH.
  
  
  Grant
  
  
  
  ETA: Richard's description is also a solid approach.

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