HUI129: Computer-Aided Industrial Design Coursework
graphics editing techniques in photoshop 
class 1: 9/10  
class 2: 9/17  
class 3: 9/24  
graphics editing techniques in illustrator 
class 4: 10/1  
class 5: 10/8  
rhinoceros 3.D. modeling and techniques  
  • I: interface, toolbars, drawing in Rhino
  • II: precision modeling
  • III: editing geometry
 
merge and combine images
add texture to an image
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to begin, open Texture1.jpg from the downloadable files folder.
in the File menu, select Place Embedded..., then add Texture2.jpg from the downloadable files folder. click the icon in the options bar to finalize the import and placement of the image.
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in the Layers panel, click the Blend Mode drop-down menu.
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hover the options to preview them.

press the shift key and the + key to navigate up the menu.
press the shift key and the - key  to navigate down the menu.

select an option, then change the opacity.
normal
overlay
soft light
screen
saturation
multiply
hard light
change opacity
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open Blend1.jpg  from the downloadable practice files.
in the File menu, select Place Embedded..., then add Blend2.jpg from the downloadable files folder.
open...
place file
open file
place embedded...
multiply
color burn
lighten
screen
change opacity
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click the icon in the options bar to finalize the import and placement of the image.

practice using different Blend Modes to combine images.

select an option, then change the opacity

add an object to an image with a layer mask
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to begin, open Object1.jpg from the downloadable files foldern the File menu, select Place Embedded..., then add Object.jpg from the downloadable files folder.
place embedded...
place image
finalize

attempting to erase the selection yields a no way cursor and this dialogue box:

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click OK to dismiss it, then continue to erase. the image has been rasterized, and the Eraser tool now works. however, all erased pixels are deleted permanently upon saving. to retain your original image to edit later, opt instead for a Layer Mask.
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select the layer you wish to subtract from, then click the Layer Mask icon from the left on the bottom row of the Layers panel.

select the white block that appears to the right of the layer. 

select the Brush tool, then press the D key to set the foreground color to black and the background color to white. white adds to the mask, black subtracts from it. paint the mask.
add layer mask
erase with black
correct with white
finish mask
free transform
rotate, scale, transform
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with the layer selected, select Free Transform..., from the Edit menu, then scale, rotate, and move the object to your liking to complete the composite image.
replace a background using a layer mask
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to begin, open Add_Text.jpg from the downloadable files folder.

exercise from 2017 Adobe Creative Cloud Photoshop Tutorial Article Combine Images.  https://www.adobe.com/learn/photoshop/web/combining-images-basics




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