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click of one of the channel buttons the
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initial mask it creates is equivalent to
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the lights one mask for that channel so
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the luminosity button initially creates
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a lights one mask that's similar to the
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lights one mass from the RGB channel the
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our button creates a lights one mask
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created from the red channel the g
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creates a light one mass from the green
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channel and the lights one mask from the
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blue channel we're not seeing any
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changes in the masks with the tone
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gradient because it doesn't have any
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colors in it let me cancel this and go
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to a color image and show that toggling
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through the different channel buttons
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can provide a good quick way to
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determine which channel is the one that
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you want to use
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the first time a channel button is
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clicked the temporary infinity mass
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layer is generated this is normally the
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step that takes the most time up to a
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few seconds for a large multi-layered
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image once that layers in place the
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other buttons and sliders will operate
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much faster the second row of buttons in
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the panel are preset buttons and they
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can be used to both activate the panel
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and to set the four sliders to preset
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positions if a channel has not already
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been chosen by clicking one of the top
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row channel buttons clicking a preset
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button activates the luminosity channel
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and sets the four sliders to preset
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positions for that button if a channel
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button has already been chosen the
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preset button uses the information from
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that exact channel and simply sets the
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sliders to the preset positions for that
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button the darkest one button sets the
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sliders to show a darks one mask the
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slider settings for this our tone zero
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range 100 focus 0 and strength 100 the
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lights one button sets the sliders to
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show a lights one mask the slider
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presets are tone 255
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range 100 focus 0 and strength 100 the
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pic button opens the photoshop color
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picker dialog to allow the user to make
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a selection from any area of the image
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when you click OK the tone slider is set
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to match the total value selected by the
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color picker like the lights one and
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darks one buttons the pic button can be
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used to initiate the Infinity masks
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panel even when one of the channel
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buttons in the top row has not been
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clicked yet when this is done it uses
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the total value from the luminosity
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channel that is picked from the color
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picker and it sets the range to 100
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focus 20 and strength to 100 the four
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sliders and the corresponding input
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boxes allow you to customize the mask to
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use a slider you just grab the handle
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and move it left or right and when you
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release it the
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ask will update in real time you can