Preview User Guide
V Advanced erasing tools like Magic Wand and Brush Tool. V Outstanding range of Soft to Hard Brushes. V Red Mask to see what has been erased. V Edit in Full Resolution - enhanced zoom in. Remove the background of any picture in seconds and save as PNG or JPG! Featuring automated background area removal (magic wand tool), this app is the best in its class. Just touch where you want to remove, and the 'Magic Wand' function removes the area of similar color automatically. No need to open Photoshop.
You can extract part of an image. For example, you can extract one person's face from a group photo and then paste the face elsewhere.
If an image's background consists of areas that are mainly the same color, you can also remove the background.
Extract an image
In the Preview app on your Mac, click the Show Markup Toolbar button (if the Markup toolbar isn't showing), click the Selection Tools menu , then choose the Smart Lasso tool .
Trace the edge of the image you want to extract.
Make sure the image's edge is within the thick border that appears as you trace.
Connect the end of the border back to its beginning, or stop dragging to connect the border in a straight line back to the beginning.
Do one of the following:
To copy the image so that you can paste it in a document: Choose Edit > Copy.
To remove everything outside of your selection: Click Crop or choose Edit > Invert Selection, then press Delete.
Extract a PDF page as an image
You can select part of an image opened in Preview, then copy and paste it elsewhere or crop the content surrounding it. If the image is in a PDF, you need to extract the PDF page as an image before you can use the image markup tools.
In the Preview app on your Mac, open the PDF file, choose View > Thumbnails, then select the page in the thumbnail sidebar.
Click File > Export, type a name, add a tag (optional), then choose where you want to save it.
Click the Format pop-up menu and choose an image format (such as PNG).
Click Save.
Remove the background from an image
In the Preview app on your Mac, click the Show Markup Toolbar button (if the Markup toolbar isn't showing), then click the Instant Alpha button (or use the Touch Bar).
Drag over part of the background.
Preview selects the area you dragged over and any pixels adjacent to it that have the same colors.
The tmux tool, or the terminal multiplexer, is great for allowing you to run multiple terminals side by side. What's even better is that you can somewhat customize its behavior using the tmux.conf file. The meta key is the prefix you press before you issue a command that controls tmux so you can, for instance, split the terminal in two. Terminator, multiple terminals in one window. The goal of this project is to produce a. Mac os tmux. Download it from: To build tmux from a release tarball, do: $./configure && make $ sudo make install To get and build the latest from version control: $ git clone git://git.code.sf.net/p/tmux/tmux-code tmux $ cd tmux.
To delete the selected area, press Delete.
To delete everything outside the selected area, choose Edit > Invert Selection, then press Delete.
Repeat steps 2 and 3 until you have the image you want.
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␡- Using the Magic Wand Tool
This chapter is from the book
This chapter is from the book
Using the Magic Wand Tool
The Magic Wand tool (so named since it looks like a magic wand) is unique in the fact that you do not drag and select with this tool; you simply click. The Magic Wand tool creates a selection based on the shift in brightness ranges within an image. If there is a definable shift in the brightness of the pixels, it can be a very powerful tool for the selection of odd-shaped areas. To use the Magic Wand, click on the Magic Wand Tool button on the Tools panel.
Magic Wand App Mac
Select Options for the Magic Wand Tool
Double-click the Magic Wand tool on the Tools panel.
- You can also click the Window menu, and then click Magic Wand to display the panel.
Click the Options menu, and then select the Show Stroke Options and Show Transparency Options (if necessary) to display them in the Magic Wand panel.
- You can also click the double-arrow next to the Magic Wand title to display options.
Select the check box for the attributes that you want the Magic Wand to select. The options include: Fill Color, Stroke Color, Stroke Weight, Opacity, or Blending Mode.
Enter a Tolerance value (0 to 255). The higher the value, the more information the Magic Wand tool selects.
To select objects on all layers, click the Options menu, and then select Use All Layers to check it. Select it again to select objects only on the current layer.
To reset all fields in the Magic Wand panel, click the Options menu, and then click Reset.
Use the Magic Wand Tool
Select the Magic Wand tool on the Tools panel.
Click an object area to make a selection.
Real Magic Wands For Free
Depending on the options you selected in the Magic Wand panel, other objects with the same or similar attributes (fill color, stroke color, stroke weight, opacity, or blending mode) are selected.
To add to the selection, hold down the Shift key, and then click another unselected object.
To subtract from the selection, hold down the Alt (Win) or Option (Mac) key, and then click a selected object.
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