layer mask
TRANSCRIPT
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Lesson 9- LAYER MASK
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MOTIVATION
Think-Pair-ShareTHINK- How can you describe a Layer Mask?
PAIR- with the person seated next to you
SHARE- your responses
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A REVIEW
ADJUSTMENT LAYERSHow do you differentiate gradient adjustment layer to hue/saturation layer?
How do you differentiate pattern fill adjustment layer to solid color adjustment layer?
LESSON OBJECTIVES
Describe a layer maskIdentify the purpose of a layer mask
Enumerate the steps for creating layer mask
Enumerate the steps for modifying a layer mask
WHAT IS LAYER MASK?It is used to hide an area in a layer to
show the corresponding area in the layer below.
To hide an area in the layer, paint black the area in the layer mask that corresponds to the area you want to hide.
Painting an area of the layer mask white will make the corresponding area in the image visible.
CREATING LAYER MASKMethod 1: Click the Add layer mask icon in the layers palette.
Method 2: Click [Layer]-[Layer Mask] in the menu bar.
CREATING LAYER MASK THAT SHOWS THE ENTIRE LAYER
1.Click the layer that you want to create a layer mask to select it.
2.In the layers palette click the Add layer mask icon.
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METHOD 2
Alternatively, you can click [Layer]-[Layer Mask]-[Reveal All] in the menu bar to create a layer mask that shows the whole area of the selected layer.
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Click the Layer Mask icon
CREATING LAYER MASK THAT HIDE THE ENTIRE LAYER
1.Click the layer that you want to create a layer mask for.
2.Press the [Alt] key ([Option] key on Mac) then click the Add layer mask icon in the layers palette.
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METHOD 2
[Layer]-[Layer Mask]-[Hide All] in the menu bar to create a layer mask that hides all areas of the selected layer.
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Press ALT key, then click the ADD LAYER MASK icon
EDITING A LAYER MASK USING THE BRUSH TOOL
1.Click the layer mask thumbnail to ensure that it is selected.
2.Notice that the foreground and background colors are set to white and black respectively. You can switch the foreground and background colors by pressing the X key on the keyboard. • Set the foreground color to white if you want
to reveal an area of the layer • Set it to black if you want to hide a portion of
the layer so that the layers below becomes visible.
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Using the BRUSH tool
EDITING A LAYER MASK USING THE BRUSH TOOL
3. Select the brush tool from the layers palette then paint on the area of the layer that you want to show or hide. You can change the opacity of the brush in the tools option bar to adjust the intensity of the brush.
4. Optionally if you want to view the layer mask only, press the [Alt] key ([Option] key on Mac) then click the layer mask thumbnail in the layers palette. On the document window you will see the content of the layer mask that you are currently working on. This will give you a preview if you are modifying the layer mask correctly.
EDITING A LAYER MASK USING THE GRADIENT TOOL
1. Click the layer mask thumbnail to ensure that it is selected.
2. Select the Gradient tool in the tools palette.
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USING THE GRADIENT TOOL
3. In the tool option bar, choose Black, White gradient fill from the gradient picker dropdown list,
select linear gradient option, and set the blending mode to Darken .
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Using the GRADIENT TOOL
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RECAPITULATION
ONE-MINUTE-QUESTIONHow do you differentiate the methods (using the Brush tool/Gradient tool) to edit a layer mask?
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OBJECTIVES FOR THE NEXT LAB ACTIVITY
Explore a layer mask
Explore the functions of a layer mask to edit an image
Apply the steps for creating a layer mask
Apply the steps for modifying a layer mask USING THE BRUSH TOOL AND GRADIENT TOOL
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ASSESSMENT
Quiz 4 (10 items)
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TRUE OR FALSE
1. Paint or fill the area of the layer mask with Black to hide an area in the layer mask.
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TRUE OR FALSE
2. Paint or fill the area of the layer mask with White to show an area in the layer mask.
TRUE OR FALSE
3. Layer Mask is used to hide an area in a layer to show the corresponding area in the layer below.
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MULTIPLE CHOICE
4. Which of the following is the Brush tool icon?
A.
B.
C.
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4. Which of the following is the Gradient tool?
A.
B.
C.
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5. Which of the shortcut key is used to switch the foreground and background color?
A. XB. YC. ALTD. Command
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6. Which of the following key is used to paint the area of the layer mask with black?
A. ALTB. CTRLC. SHIFT
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7. Which of the following menu option is used to hide all areas of the layer mask?
A. Layer MenuB. Hide AllC. Reveal All
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8. Which of the following menu option is used to show all areas of the layer mask?
A. Layer MenuB. Hide AllC. Reveal All
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9. Which of the following menu is used to create a Layer Mask?
A. Layer B. Layer MaskC. Layers Palette
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10. Which of the following is the ADD A LAYER MASK ICON?
A. B. C.
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