Custom Photoshop Preferences (three)
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Third, display and cursor
Now back to Windows, the Preferences and Cursor page of the Preferences dialog allows you to choose how to display the cursor, image channel, and image itself on the screen.
3.1 display
In the display area, there are three options for you to set:
• Channels are displayed in primary colors: for example, when you work on a blue channel with black and blue shadows, this blue channel will remind you that you are working on a blue channel. It is recommended that you turn off this new feature and work in the gray color component channel, because this is how the color information is stored for various tones (grayscale): pure white tones have the greatest impact on the color components of the image, pure Black has no effect. In addition, some of the tools and commands in the toolbox can be used to brighten or darken the channel and improve the color composition of the image.
• Use Diffusion Dither This feature is only available to users with a 20 KB video card. The system you are working on cannot possibly not support 24-bit color, so don't choose it. This feature uses diffuse dithering when the image requirements are higher than the system's graphics setup capabilities.
• Use pixel doubling Do not select this item unless you want to see the trajectory in the image. Observe an image moving from a low resolution environment to a normal resolution environment. Today's processors can implement any such interface conversion when editing.
3.2 painting cursor
In the painting cursor area, you can choose from three types of painting cursors: Standard, Accurate, and Brush Size. These cursors include the brush cursor and the clone stamp tool. This is the cursor used for painting, which is different from editing, selection, annotation, and other cursors. For this option, it is recommended to select the Brush Size Cursor. It displays the outline of the current painting tool for your work. For example, when defining a 300-pixel brush for editing, you can see exactly what you are doing on the image and what you will lose.
3.3 Other cursors
When you want to set other cursor option areas, it is recommended to select the standard cursor option. There are two reasons for this: First, the standard cursor will accurately display which tool you are using on your computer screen. Second, for software like Photoshop that contains many new tools, the standard cursor will help us identify various tool. Another option below the other cursor is the precise cursor. The biggest drawback to accurate cursors is that the cursor is too "precise", especially at 1024 * 768 and higher screen resolutions, and even small inconvenient to operate. However, when you need to change a single pixel on the screen very accurately, it is best to use a precise (cross) cursor. No matter which tool you choose, you don't have to enter the "Preset Preferences" dialog to set the precise cursor for the tool. Just press the Caps Lock button and you will see that the cursor mode has been switched to the precise cursor.
Below, we begin to introduce the invisible parts: the transparent area and the color gamut. Click the "Next" button on the screen to enter the next page of the dialog.
4 transparency and color gamut
Setting up transparent areas and gamuts in the Preferences dialog is interesting, but the correct settings depend entirely on the color composition of the current working image.
The default setting for the transparent grid color is a light gray grid, but if you're going to edit a picture with a light gray grid pattern that looks the same as the transparent grid color, or if the image you're about to edit has What should I do if the large area is as gray as the gray grid, which will cause a lot of trouble for your editor? At this point we can change the grid color.
The "gamut warning" problem should be considered as follows: If you want Photoshop to display a color overlay that cannot be generated by CMYK color mode in an area of the image, you will usually press Ctrl+Shift+Y (or in the menu). Select View >> Color Gamut Warning. The default value for this option is 100% opacity gray.
5 Determine the unit and ruler used
In Photoshop, there are two different ways to specify the unit of the ruler. Whenever you press Ctrl+R, the ruler will appear on the left and top of the document window. In addition to measuring the length, the ruler has a use that allows you to drag a reference line from the ruler into the image. That is, if you need to place a guide, you should make the ruler visible. To enter the ruler preset page directly, first press Ctrl+R to display the ruler, then double-click the ruler.
It is recommended to select "Pixels" in the Ruler drop-down list (unless your work environment requires centimeters or dots) and select the point in the text drop-down list (occasionally a card). Alternatively, you can press the F8 key to display the information panel, and then set the ruler unit to pixels in that panel.
Why do the units of the ruler use pixels instead of inches or centimeters? Because pixels are absolute units of measure, inches and centimeters depend on the resolution of the image file.
Label 3 - Column Size: Width and order settings for desktop printing: For example, when the customer's photo width needs to be across the gutter or only one column wide, the original width and order settings need to be changed. Although Photoshop's default unit is a dot, it's best to set the width and the ordering unit to inches. This is determined by the default PageMaker page size. It is advisable to first clarify the size specifications required by the customer before setting the column size width and the width of the binding.
In Photoshop, you can also save the print and display settings that apply to all images. The settings for printing and display work in the New Document Preset Resolution area.
• Print Resolution The default setting for printing is 300 ppi (in pixels per inch instead of dots per inch).
• Screen resolution Although the software used on some Windows platforms and the Windows operating system itself set the screen resolution to 96 pixels/inch, this is not a widely accepted standard resolution. The general standard should be 72 pixels/inch (the unit of measurement for typing fonts is 72 points/inch). Keep the setting value of this item to 72.
• Point/Pan Card Size This option is set to 72 points/inch. Because we created electronic documents and used PostScrip technology in Photoshop, traditional standards are useless to us.
Next we will introduce the reference line, grid and slice preset dialogs.
6 Check Guides, Grid and Slice Presets Dialog
• The reference line The concept of the reference line has been introduced to Photoshop since Photoshop 4 and it is very helpful to users. The only downside is that the default color (light blue) of the reference line is too dim for richly colored images. It is recommended that you click on the light blue color swatch in the dialog page shown in Figure 7 at your own discretion and select a brighter color in the open color picker. For beginners in Photoshop, the guideline is a non-printable screen element that you can drag from the ruler (press Ctrl+R to display the ruler) to the image to help you arrange the image horizontally and vertically. element. You can hide the guide, but it's best to put it back in the ruler to prevent the image from becoming ugly. You can use any tool to drag the guide from the ruler, but only the Move (M) tool can drag it back.
• Grid Similar to a reference line, a grid is also a non-printing element that helps users precisely position image elements on layers and elsewhere. You can set the spacing and subgrid of the grid lines in this dialog. The setting of the grid spacing has nothing to do with the setting rules of the unit and the ruler. The arrangement of the grid is completely based on the specific circumstances of your work. For example, if you want to design a web page in Photoshop, you might want to set the grid to 10 pixels per inch and 5 sub-grids per inch to ensure accurate web media layout (in the web design work, each pixel) Will work).
• Slices When you use the Slice tool to cut an image, the resulting image block is a slice. You can choose whether to display the number of slices in the above dialog box. The number of slices becomes part of the slice file name, so it is recommended to select it. Because you may want to edit an image slice again in the future, but you don't want to put the image slice back into the original image, or generate a slice image again. You can select the color of the indicator line of the slice boundary (not printable, not visible on the web page). I have found that orange border lines are suitable for any image.
Control screen appearance elements
For non-printing screen elements, we have already mentioned reference lines, meshes, and slices. The next step is to introduce the edge of the selection (some call it " marching ants") and the target path (you need to use the pen tool to sketch the path). There are so many non-printing screen elements. But you may not like the emergence of so many elements on the screen, hopefully they all disappear from the view. At this point you can open a dialog to help you manage these elements. The way to open this dialog is to select View>>Show>>Show Extras from the menu bar. Adobe refers to these screen elements as "extra".
If you don't check the corresponding option for an element in the dialog box, you can't use the Ctrl+H shortcut to toggle "Hide/Show Extra Options". So it is recommended that you select all of the screen elements you use frequently in the above dialog. This way, you can toggle the visible or invisible state of the screen elements back and forth by pressing Ctrl+H. It should be noted that doing this (Ctrl+H) does not delete anything; just hide them from the view and make the screen look neat.
Let's start by learning about the settings related to the plug-in and the scratchpad preferences dialog.
4 plug-ins, scratch disks, memory and image cache
Although Photoshop has the ability to manage memory, it doesn't know how much memory and hard disk space is in your computer system. Therefore, the last two prefabricated dialog pages have played a real role in optimizing the control of Photoshop.
4.1 The importance of temporary storage
The scratch disk is a Photoshop preset option that is equivalent to the color settings in the workspace. Photoshop requires a certain amount of hard disk space to store history, data in the clipboard, multiple copies of the currently active file for restore operations, and more. If you don't allocate enough hard disk space for it, even if your computer has gigabytes of memory, image processing may still be suspended.
4.2 Specifying a directory for the plug-in
Third-party products such as Alien Skin, Andromeda software, etc., are called plug-ins and can be installed into the Plug-Ins directory of the Photoshop installation folder. Now there is such a question: If you already have a Painter tool, but want to use another Painter plug-in, what should you do? This can be solved by first creating a new folder on a drive on your computer, and placing a third-party plug-in into the folder, then specifying the folder as an additional plug-in directory for Photoshop to find in it. Plug-in tools. By the way, you need to check the "Other plug-ins directory" option in the dialog box shown in Figure 18, so the next time you open Photoshop, it will automatically find the plug-ins in this directory. The location of the plug-in folder (including all presets) won't change immediately, it only works when you reopen Photoshop.
4.3 Legal Photoshop Serial Number
If there is no legal Photoshop serial number (as shown in the section labeled 2 in Figure 10), some plug-ins will not work. Photoshop 7's registration number is definitely not the same as the previous version, so third-party plug-ins can no longer be used. So, if your plug-in can't be plugged into the Photoshop 7 version, enter the previous version of the Photoshop serial number in the "Old Photoshop Serial Number" field.
Let's take a look at the settings for memory management.
4.4 Assigning System Resources to Photoshop
First, users who use Windows 2000 and use Windows XP should open your Photoshop, then enter the process options of Task Manager, pull the slider to find the image name of Photoshop.exe, select and right click, in the pop-up menu Move the mouse to "Set Priority" and select "High" priority in the submenu. A Task Manager warning pops up warning that doing so may result in undesirable results, including system instability. Feel free to choose "yes".
Second, Photoshop needs its own space so that it doesn't interfere with other applications at runtime, and Photoshop hopes that such a larger space will be better. Unlike other software, Adobe knows how to manage memory. This means that if you want to process a 40 MB image file, other graphics processing software is likely to be helpless, but Photoshop can do it - as long as you allocate it the memory and scratch space required. In general, Photoshop needs to use three to five times the size of the saved file to process the image file. This means that if your work object is a 5 MB image file, you must have 15 to 25 MB of free scratch disk space and physical memory space. If the scratch disk space is smaller than the memory space, Photoshop only uses the same amount of memory space as the scratch disk space, and does not use the extra memory space. So, if you have 1 GB of memory and the scratch disk space assigned to Photoshop is only 200 MB, then Photoshop uses only 200 MB of memory.
It can be seen that the author has set up four drives in the scratchpad area as the scratch disk space. The first is drive D, which is a drive specifically for Photoshop when the computer is partitioning the disk. The price of the hard disk is getting cheaper and cheaper, and the image file is bigger than in the past. I think the 5 GB size is enough for Photoshop. The specified second, third, and fourth drives have nothing special, but they seem to hang! As shown, you can set up to 4 scratch disks. Also remind everyone that Windows ME and later versions of the Disk Defragmenter will automatically clean up the disk, so the drive is always optimized. Macintosh systems are not, so Macintosh users should often use a defragmenter from a software company such as Symantec to clean up drive disk fragmentation and optimize scratch disks.
In Photoshop 7, the way Windows and Mac manage memory is similar. This means that memory management technology is the same for Windows and Mac operating systems, and the memory management techniques are introduced to you in the next section.
4.5 Scratch disk allocation and memory requirements
While Windows and Mac operating systems dynamically adjust the size of the memory pool as you work, applications can increase the amount of memory they use. However, it is still recommended that you allocate as much temporary disk space as possible in the plug-in and scratch disk preset dialog pages. A drive that can be used as a scratch disk as follows:
• Drives with a lot of free space The scratch disk space that I set in my system is too large. In fact, 2 GB of free space is enough. Of course, after you close Photoshop, these disk space is still reclaimed.
• Uncompressed drives It is best not to use Microsoft's DriveSpace for drives that are designated as scratch disks. In today's era, compressed drives should be extinct. If you feel that the hard disk space is not enough, then change a large capacity hard drive instead of compressing the drive.
• Disk defragmented drives As mentioned earlier, if your operating system does not have defragmentation itself, use Disk Defragmenter to optimize the state of the drive before setting it as a scratch disk.
There is a lot of free space, and the uncompressed drive is of course the preferred drive for scratch disks. If your computer has other drives with a lot of space left, you might want to set them as second, third, and fourth scratchpads. Photoshop does require this disk space to make sure you work faster and with fewer errors. You should even use Photoshop when you listen to MP3 and no longer open other programs to ensure that the system provides the maximum memory for Photoshop.
Warning: Do not set drive C as a scratch disk. Because not only the operating system is stored in the C drive, some temporary folders and other applications are also located on the C drive. If you use drive C as a scratch disk, Photoshop will dynamically adjust the space on the drive while you are working, which will easily cause system failure!
The process of specifying a scratch disk in a Macintosh system is similar to the case under Windows. Select a large blank drive and then use software such as the Norton Utility to defragment the drive and do not compress the target drive. Select up to 4 drives for scratch space.
The first thing to do to optimize memory is to check the system to see how much memory is available. A large number of old-fashioned G3 computers, color imac computers, and some G4 computers have 64 MB of memory, but require 128 MB of memory to work more smoothly in Photoshop. So if the system has only 64 MB of memory, you should add some more.
Even with 128 MB of memory, you won't be able to meet the requirements of other applications other than Photoshop (all today's software has a very high memory requirement), so if you really need to run Photoshop and another application at the same time, Then you should follow the requirements below.
Allocate memory for Photoshop on a Macintosh machine
1. Turn on your computer and do not run any programs. Running the program or checking the mail online will potentially split the system's memory, which will cause the values read in "Step 3" below to be inaccurate.
2. Open a program that will run with Photoshop. The ideal situation should be that no other programs are running, but doing so will inevitably reduce productivity.
3. From the Apple menu, select Finder >>About This Computer. This box will tell you the maximum number of available memory, assuming 120 MB.
4. Select the Adobe Photoshop program icon in Finder and select File and Get Info.
5. Regardless of the value in the box, set the Preferred Size in the Info window to no more than 90% of the value of the Largest Unused Block you saw earlier, for example, set to 120. 90% of MB.
6. Close the Info window and open Photoshop.
Press Ctrl+K to return to the General Preferences dialog; select the Memory and Image Cache option from the drop-down menu to enter the Memory and Image Cache Preferences dialog page, ready to begin the next section.
5 memory and image cache
We all know that caching in computer systems can speed up the display of commonly used screen areas. Similarly, setting a cache for an image also helps speed up the display of the image, and the two work the same way. The default cache level is 4, so you don't have to modify it because it sets the image faster and guarantees the performance of the entire system. There are some extra options for using the histogram cache. It is recommended that you do not select this option. Even if you have system resources dedicated to storing histogram information, this storage is only for pixel samples in the image, not in the image. All pixels. The available memory assigned to Photoshop depends on the memory of your computer, the appearance of the memory and image cache preset dialog pages under Windows, and the appearance of the dialog on the Macintosh is similar to that of Windows, but the Macintosh is more beneficial. Photoshop users. Adobe recommends at least 128 MB of memory for Photoshop. Therefore, it can be seen that about 50% of the available memory and the matching scratch disk space can be used by Photoshop.
At least the maximum memory used by Photoshop should be set to 96MB (minimum requirement), 256 MB is better, and of course larger is better.
Tip: Get more memory space If you edit the image beyond the memory and scratch disk space, Photoshop will start swapping the elements it needs to complete the editing. But this will reduce the performance of the system. Of course, you can also set the maximum percentage used by Photoshop to 100%, but this is actually not practical. If you set the maximum percentage used by Photoshop to 100%, it actually reduces Photoshop's productivity. Because the Windows operating system itself can use the software cache, Photoshop and Windows will conflict with how much memory they can use. You can't really provide 100% of your system resources to Photoshop. Windows does not allow you to do this because the operating system itself requires resources. It is highly recommended that large memory be prepared so that a large amount of free space is reserved in the preferred scratch disk and there is substantially no disk fragmentation.
Note: Pay attention to your system resources. If you click the triangle of the status bar in the main window of Photoshop (Macintosh: the bottom of the scroll bar) and select "Efficiency" from the pop-up menu, then you can always see the actual Photoshop. How much memory is used (the indicator will show 100%). In addition, you can see if Photoshop is transferring data to your computer's hard drive. If the efficiency is reduced to 58%, then you should: (1) save and close the file, or merge the useless layers; (2) buy more memory.