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BASICS OF SELECTING

Updated: Jan 22

An introduction to coloring and manipulating images using Adobe Photoshop, the industry standard for computer and concept art. Students will be introduced to the basic tools and functions of the Photoshop program to create high-impact, professional images in a variety of artistic styles. The course employs a traditional fine-art approach to image coloring and rendering. Experience using a Macintosh or Windows-based computer is necessary.



Intros

A little about me.

My goals for you and myself.

Were this class could lead you.

Ice breaker: Name, course of study, &

What are you aiming to take away or accomplish in this class?


Requirements + Recommendations:

Prerequisite: Drawing I

Requirements: MacBook Pro or Windows-Based w/ Quad Core 16 GB RAM equivalent or better, Sketch/Notebook, Pen/Pencil/crayon/sharpie, your choice of medium for sketching.

Recommended to have: Lacie 2TB hard drive, Nice pen.


SVG and Icons


Vector Logos


Photography

General Stock Photos


Food


Vintage Stock


Patterns & Textures


Other Resources


Games for Designers



LESSON #1 : Creating a file + Learning the layout, tools, and shortcuts.

Download the files below and follow directions listed.


Selections
.zip
Download ZIP • 399.20MB

  • Marquee selections are very temporary. They’re not saved in files when they’re closed. You can select all on your canvas with ⌘-A. Deselect everything with ⌘-D. ⌘-clicking on a transparent layer or a channel selects content.




A.K.A. marching ants, the marquee is as old as Photoshop. It’s actually the poorest of all representations of selections because you cannot tell if the selection is feathered or not.

Marquee tools are the ones that display a selection with a marquee. All marquee-based tools in Photoshop are:


Important Keyboard Shortcuts

  • D: Set foreground & background swatches to default colours, black & white.

  • X: Switch focus of foreground/background colours.

  • ⌘-Delete: Fill with background colour.

  • Option-Delete: Fill with foreground colour.

  • B: Brush Tool. Right-click with Brush tool for controls.

  • [ or ] : Make brush smaller or bigger.

  • ⌘-D to deselect

  • ⌘-A to select all

  • ⌘-Z to undo

  • ⌘-shift-Z to redo

  • See a full list here

Marquee Tool

The Marquee Tool can be either rectangular or elliptical. These are some practical tips for dragging with the tool:

  • Hold Shift to constrain proportions.

  • Hold Option drag a marquee from the center.

  • Hold the Space Bar while dragging it to move it on the canvas.

  • While a marquee-based tool is active, you can drag the current selection around on the canvas.

  • Option-drag within a marquee selection to subtract from the selection.

  • Shift-drag outside of a marquee selection to add to it.


Add a Brightness/Contrast adjustment layer to brighten it up.







While you have an active marquee, you can right-click, then choose Transform Selection…. This will allow you to transform the selection with a bounding box. You can zoom while it’s active. Once you’re done, hit Return to accept your transformation.


Lasso

Lasso Tool

To use the Lasso Tool, you simply drag it around the canvas. When you drop your mouse, the selection closes itself. As with all the marquee tools, Shift adds and Option subtracts from the selection.


Polygon Lasso Tool

The Polygon Lasso tool is very useful in selecting straight-edged areas on the canvas.

You don’t drag with this tool; you just click from one spot to the next. Hitting the delete key removes the last click. Escape deselects while you’re drawing a selection, Or ⌘-D to deselect.


Quick Selection

The Quick Selection tool has pretty much replaced the Magic Wand Tool. It pours a selection onto the image like water. The marquee stops when it detects contrast. The keyboard shortcut for the tool is w

There are few options for this tool. You simply set it to one of three modes: New Selection, Add to Selection or Subtract from Selection. You can set the tool to add to the selection automatically, as shown above. This is the default I use. You can keep it in the default mode, then hold Shift or Option to respectively add or remove from the selection.


You can change the size of the Quick Selection brush with the Options Bar, or with [ or ] keys.


Auto-Enhance is fairly self-explanatory. Photoshop analyses the selection once you drop it and attempts to improve it. Sometimes this works. Sometimes it does more harm than good.


As with other tools in Photoshop, you can save all tool presets with the Presets menu in the Control Bar.


Use the Quick Select tool to select the couple, then mask them out to reveal an alternate background.
















Select Color Range

Go Select > Color Range…. You have the choice of sampling colors on the canvas or choosing colors from the dropdown menu.

The Fuzziness slider determines the tolerance of the selection. That’s how little or how much different the color can be.


Use Sample Colors. Sample the reddest red from the building.

Once Select Color Range has done its thing, we can add an Adjustment Layer to edit the building color to anything but red. use Selective color in the adjustments panel

Before ^ After v


Select Focus Area

When you use Select > Focus Area… Photoshop examines the image for sharp and blurry areas. It can output the resulting selection to a mask on a new layer.

The first part of the dialogue is simply the preview. Choose the setting you prefer. Parameters allow you to include more or fewer pixels in your selection. Output is what you get once you click OK. The best choice is New Layer with Layer Mask. It’s most editable.


Ai Driven Selections

Select Subject

The Select Subject is part of Adobe’s smart suite of tools that uses artificial intelligence to find content in a photo.

Select Object

When the subject of the photo is not as obvious, you can use the Select Object tool to be more specific.

Reversibility of Selections

If you’re attempting to select a very detailed object on a rather flat background, it would likely be simpler to select the background, then invert the selection. That’s the nature of selections in Photoshop. They’re simple to invert.


Save a Selection

No matter the selection you create, you can use Select > Save Selection… to create an Alpha Channel. This is simply a saved selection. It doesn’t show on the canvas. It only appears in the Channels panel. It’s saved in your document even after it’s closed.

Any mask you create makes an Alpha Channel, which is saved in your Photoshop file. This includes the mask that comes with an Adjustment Layer.


Clipping Path - we will revisit this later

When you want to place an image of a hard-edged object in a page layout without its background, a clipping path is the way to go.

The Pen Tool takes centre stage in this lesson. We’ll use it to draw around an object to hide its background when it’s placed in a page layout. The benefit of a clipping path is that it has a sharp edge. It will cut out the object with as clean an edge as possible. Clipping paths are appropriate when the object to be clipped has a hard edge. If your subject has curly hair, a clipping path is not the way to go.

By the way, this process has nothing to do with layers. We’re going to draw a path around the object, then save it. We don’t delete the background pixels. They just get masked by the path once the image is placed in InDesign.

Graded Activity

Marquee Tool

Use the Elliptical Marquee Tool on the clock image to select the whole clock. Once you’ve selected it accurately, add a Hue/Saturation adjustment layer to make it a different color.

Save an close the image.


Lasso Tool

Use the Polygon Lasso Tool to select each of the device screens. Zoom in to start.

You can use the Hand Tool with the Space Bar to pan around the image. ⌘-plus and ⌘-minus works while you’re selecting. Once you’ve made a selection for one of the screens, add a Layer Mask to the appropriate poster graphic as shown above.


Quick Select

Use the Quick Select Tool to select her legs and her shoes. Once you have a clean, accurate selection, add a Hue Saturation adjustment layer to change the color of the legs and shoes.


Color Range

Use Select > Color Range… to select the orange part of the van. We want to make the orange turn to yellow.

You’re not going to get it all with the Color Range function. Add your Hue/Saturation Adjustment Layer to change the orange to yellow. Paint white or black on the mask to edit it. What’s white on the mask will become yellow.


Select Subject

Use the Select Subject feature to select the woman. Once it’s done, you can simply mask her. Feel free to refine the mask, or not.


Select Object Tool

Use the Select Object tool to select the camera. Add an Adjustment Layer to do something to it.


Select Focus Area

We’re going to mask the guy from the background using Select > Focus Area…. Once the preview looks good enough in the Focus Area dialogue, make sure Output is set to New Layer with Layer Mask.

You can use Select and Mask… to refine the Mask.


Vector Path

Use the Pen Tool set to Path. Draw around the screen. Target the poster’s layer, turn on its visibility. Go Layer > Vector Mask > Current Path. That’s it!

Draw a path around the perimeter of the screen.


Resourceful videos

Selection tools:
Overall Photoshop Basics

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