Can PS feathering operation be cancelled?

PS feathering operation can be cancelled at any time through Ctrl Z, but it needs to be cancelled before the operation is completed. The operation is completed with two levels: 1. After the numerical value of the feather radius is determined, it can be revoked before other operations are performed; 2. The essence of feather is a pixel transparency gradient, and the revocation records the status of the entire feather process. Although it is usually revocable, insufficient capacity of the history panel, saved files, merged layers, or flattened, can cause revocation to fail.

Can PS feathering operation be cancelled? able! but…

This question seems simple, the answer is yes and can be revoked. But there are many tricks hidden behind "can" and it is not as easy as simply pressing Ctrl Z. This article will dig into the undo mechanism of PS feathering operation and some pitfalls you may encounter.

Let’s talk about the conclusion first: PS’s feathering operation can be cancelled with Ctrl Z (or Command Z) at any time before the operation is completed, which is no different from any other operation. The key lies in "before the operation is completed". The "complete" in this includes several levels.

1. Understand the level of "operation completion"

The "complete" that many novices understand is simply the moment when the mouse is released and the feather radius value is determined. But in fact, the PS cancellation mechanism is more refined. It does not just record the last time you adjust the feather radius, but records all state changes during the entire feathering process. This means that when you adjust the feather radius, as long as you do not confirm (such as clicking other tools, or performing other operations), you can continuously Ctrl Z back to any previous state.

This is like using a brush to apply the color. During the application process, you can undo any previous smear state at any time, rather than just undoing until the last time you finish the pen.

2. The essence of feathering operation

The key to understanding the mechanism of feathering revocation lies in understanding feathering itself. Feathering is not simply "erase" the edges, but a process of gradient processing of pixel transparency. When PS is feathered, the transparency of each pixel is calculated and stored in the image data. This calculation process is carried out in real time, so the undo mechanism can effectively fall back to any previous calculation state.

3. "Revocation invalidation" situations you may encounter

Although PS feathering operations can usually be revoked, there are some cases that can cause revocation to fail or unexpected results:

• The history panel is full: The PS's history panel capacity is limited. If your history panel is full, the previous feather operation status may have been cleared and cannot be cancelled. The solution is simple, increase the capacity of the History panel, or clear unimportant history regularly.
• After saving the file: After saving the file, PS will write the current image status to the file. At this time, the history status that was not saved before will be discarded and cannot be revoked through Ctrl Z. Therefore, it is very important to develop good preservation habits. It is recommended to save frequently, but do not save frequently, because frequent preservation will increase file fragmentation and affect performance.
• Layer Merge or Flatten: Once you merge the feathered layer with other layers, or flatten the image, the feathering operation is irreversible and cannot be undocumented. It's like you mix the pigments together and you can't separate them any more.

4. Some experiences

• Before performing feathering operations, it is recommended to copy the layer first, so that even if the operation is incorrect, it can be restored to its original state at any time. This is a safer approach.
• Familiar with PS's history panel and understanding its features and limitations can help you better manage undoing operations.
• Make good use of the "Step" panel to control the undo operation more finely.

In short, the undo mechanism of PS feathering operation is relatively complete, and as long as you understand its working principle and potential limitations, you can easily control it. Don't forget that Ctrl Z is your best friend! But remember, before "complete"!

The above is the detailed content of Can PS feathering operation be cancelled?. For more information, please follow other related articles on the PHP Chinese website!