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When working on an image, sometimes you need to change the ruler units from their current setting to something more appropriate to help you create or line up an element. Fortunately,you don’t need to make a trip to the Preferences dialog box each time you want to make a change. You can do it from much closer:right inside the document window, in fact. Just right-click(Windows), Ctrl-click (Mac OS) the rulers and, from the contextual menu,choose an item(Figure 2-5). Save your energy for something more strenuous—such as making that third cup ofcoffee of the morning!
Just for the sake of completeness, you can also change the ruler units by double-clicking the rulers to call up the Preferences dialog box; or,in the Info palette,you can click the cross icon in the mouse coordinates section and select an item from the pop-up menu (Figure 2-6).
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By default,the ruler’s zero origin is set to 0x,0y coordinates (top-left corner of the visible image for us simple folks).However,when you absolutely must set it elsewhere in the document,it’s a quick and painless operation.Just click in the box where the two rulers intersect and drag diagonally into the image (Figure 2-4).As you drag,you will see a cross hair temporarily superimposed over the image to help you set the new ruler zero origin. Position the pointer where you would like to set the new ruler zero origin;then let go.That’s all there is to it! You can,if you wish,set the new zero origin anywhere in the canvas area and not just the visible image area.
The rulers do not move from their locked position when you drag from the ruler intersection box,but if you look at the zero markers on the rulers,you will see that they have been set to the new position.In the example shown in Figure 2-4,the new ruler zero origin is being set to 100 px horizontal (x) and 100 px vertical (y) from the top-left corner of the image.To reset the zero origin to the default top left-hand corner,double-click the box intersection.
The workspace surrounding the visible image area is commonly referred to as the canvas. This canvas area is filled with a gray color by default (equal amounts of RGB 192), which is a good, neutral choice suitable for optimizing images. However, you are not restricted to this color. You can change it to a custom color if you wish. Changing the color could help contrasting to the image to simulate the environment in which the image may be eventually presented.
To change the canvas area color, just choose the right color you wish to fill to the background canvas, then by selecting the paint bucket, hold down the Shift key and click in the canvas area.
If you have many documents open and wish to close them in one go,
just press Ctrl+Alt+W (Windows), Cmd+Opt+W (Mac OS). If any of
the documents need saving, Photoshop will prompt you.
Switching from Photoshop to another application which designers always experience, but if there is data on the clipboard (copied and stored in computer memory), Photoshop can “export” it to the system clipboard for pasting purposes into the other application. However, since Photoshop files may be extremely large, then it possibility may cause a delay or crashed the system while it “exporting" the data.
If you find yourself waiting more often than you actually use the data on the clipboard, you can inform or telling Photoshop not to export the data on the clipboard, thus ensuring speedier crossovers. To turn off this particular option for exporting clipboard data (which has been set as default in Photoshop Preferences), just go to Preferences >> General and deselect the checkbox for “Export Clipboard.” Be remember, regardless of whether this option is selected, it has no effect on Photoshop’s performance while you are working inside Photoshop; only when you have a large amount of data on the clipboard, have forgotten to purge it (Edit>Purge>Clipboard), and then try to exit Photoshop will you notice the difference. To purge data on the clipboard, go to Edit>Purge and select Clipboard from the submenu.
Another way to reduce the file size and speed up the performance and efficiency is by checking the number of layers and alpha channels being used. The more layers and alpha channels are being used, consequently the longer time it takes to save it. To minimize the file size and the time it takes to save the file, you can delete any unused or unnecessary layers, merging others layers and alpha channels that do not really benefiting from being standalone.
To reduce start-up time -There are several ways help to launch Photoshop more quickly.
1) Disabling unnecessary plug-in folder by adding tilde(~) in front of plug-in folder.
2) Relocated plug-ins to secondary folder (easier to be done in Mac OS platform). Then, to load back plug-ins, just hold down Ctrl+Shift (Windows), Cmd+Shift (Mac OS) immediately after you launch Photoshop and then specify the additional plug-ins folder when asked.
3) Preferences dialog are saved each time you exit and launch Photoshop. The file sometimes are saved may become corrupted. If that happens, just hold down Ctrl+Alt+Shift (Windows), Cmd+Opt+Shift (Mac OS), a split second after you launch Photoshop and choose to delete the Preferences when prompted.
4) Layers,Channels and Paths palettes all store thumbnails by default, these thumbnails are continually updated as you work on the image. A way improve the redraw time, you can customize the palette previews size to smaller one by clicking at Palette Options from the palette’s menu choose the smallest on none in size.
5) As we know, in the computer processor basically work as brain, and RAM more likely as heart. All the software in our computer, from the operating system to applications are relied heavily on how much RAM in order to improve the efficiency and speed. To allocate higher RAM in Photoshop, go to Preferences/Memory & Image Cache and specify a percentage (%) in the Memory Usage section of the dialog box.
