What does Boolean mean?

Boolean operation

Function: Boolean operation obtains a new object shape through the operations of union, difference and intersection of two or more objects. The system provides four Boolean operations: Union, intersection and subtraction (difference set, including A-B and B-A). These will be introduced in detail later.

After Boolean operation, two objects can be modified at any time, and the way and effect of Boolean operation can also be edited and modified. The process of Boolean operation modification can be recorded as animation to show the magical cutting effect.

The parameter panel of Boolean operation can be divided into three parts.

Pick Boolean Object (Pick Boolean Operand) rollout

This rollout is used to pick up operand b, as shown in the figure.

In Boolean operation, two original objects are called operands, one is called operand A, and the other is called operand B. Before establishing Boolean operation, an original object must be selected in the view before the Boolean button can be used. After entering the Boolean operation command panel, click the Pick Operand B command button to select the second operand.

Pick operation object B: Click this button to select another object in the scene to complete Boolean synthesis. The four options below it are used to control the properties of operand B, which should be determined before picking operand B. ..

Reference: take the reference copy of the original object as operand B. Changing the original object in the future will also change operand B in the Boolean object, but changing operand B will not change the original object.

Copy: Copy one of the original objects as operand B without changing the original object. Choose this method when the original object needs to be used for other purposes.

Move: Take the original object as operand B directly, and it will not exist. Choose this method when the original object has no other use. This mode is the default mode.

Example: Take the associated copy of the original object as the operation object B, and when one of them is modified in the future, the other one will also be affected.

Parameter rollout.

The rollout parameters can be divided into three areas, as shown in the figure.

Operand option group

This set of parameters is used to display the names of all operands and perform related operations on them.

Operand list: this list box lists all operands, which can be selected for editing.

Name: displays the name of the operation object selected in the list box. Can be edited.

Extract Operation Object: It re-extracts the currently specified operation object into the scene as a new available object, including two attributes: instance (association) and copy (copy). In this way, objects that have entered Boolean operations can still be released into the scene. This button can only be activated when an operation object is selected from the list box on it.

Note: This button is only available in the Modify panel. When the creation panel is active, the operation object cannot be extracted from the Boolean object.

Think of the deformation object mentioned above, but you can't return to the scene after entering the deformation preparation object. However, there is still a feasible way to clone a new shape in the deformed keyframe snapshot by using the snapshot tool.

Operation option group

This set of parameters provides four operation modes to choose from.

Union: used to merge two shapes, the intersecting part will be deleted, and the two objects will be merged into one after the operation is completed.

Intersection: used to keep the intersecting part of two shapes and delete the non-intersecting part.

Subtraction (A-B) (Part A-B): Subtract the overlapping part of object B from object A.

Subtraction (b-a) (part b-a): Subtract the overlapping part of object A from object B. ......

What is Boolean operation?

Boolean operation is a logical operation of true and false. Generally, the expression "0" is required to return a logical value, and some development languages require a non-zero value to be true, otherwise it is false.

Truth and truth = truth

True or false = false

True or false = false

False and false = false

True or true = true

True or false = true

False or true = true

False or false = false

Not false = true

Incorrect = wrong

...

What does Bool bool mean?

A data type in computer programming, similar to judging right or wrong. Bool has only two results, yes and no. In general language, it is defined as 0 and 1, where 0 means yes and 1 means no.

What does Boolean operation mean in mathematics?

Boolean used mathematical methods to study logical problems and successfully established logical calculus. He used equality to express his judgment and regarded reasoning as the transformation of equality. The effectiveness of this transformation does not depend on people's interpretation of symbols, but only on the combination law of symbols. This logic theory is usually called Boolean algebra. In 1930s, logic algebra was applied to circuit systems. Subsequently, due to the development of electronic technology and computer, various complex large-scale systems appeared, and their transformation laws also followed the law revealed by Boolean.

Representation method

"∨" means "or"

∧ "means" harmony ".

"┐" means "no".

"=" means "equivalence".

1 and 0 mean "true" and "false"

There is another expression, "+"means "or" and "means" and ".

What is a Boolean value?

Boolean value (Boolean value)

Boolean value is a logical value. Only true and false (true and false).

You can assign values to variables and use boolean operations and, or and not.

Example:

$Boolean 1 = true

$Boolean2 = false

$Boolean3 = $Boolean 1 and $Boolean2.

Result: $Boolean3 is false.

$Boolean 1 = false

$Boolean2 = not $boolean 1

Result: $Boolean2 is true.

If a Boolean value uses the sum of other numbers, the following results will be obtained:

A value of 0 equals the Boolean value false.

Any other value will be equal to the boolean value true.

Example:

$Number 1 = 0

$Boolean 1 = true

$Boolean2 = $Number 1 and $Boolean 1

This result will return false (if it contains failure)

If you calculate the arithmetic of a Boolean value. (This is unwise! ), the following results will be returned:

If the Boolean value is true, it will be converted to the value 1.

If the Boolean value is false, it will be converted to a value of 0.

Example:

$Boolean 1 = true

$Number 1 = 100

$ number 2 = $ boolean 1+$ number 1

The result will return the value 10 1.

If you use a string for Boolean connection, the following results will be returned:

If the Boolean value is true, the string "True" will be returned.

If the Boolean value is false, the string "false" will be returned.

Example:

$Boolean 1=true

$String 1= "The test is:"

$ string 2 = $ string 1 & amp； $Boolean 1

The result will return the string "Test as True".

If you want to compare Boolean values in opposite directions, the result will be different. When you compare a Boolean value with a string, use the following methods:

Only an empty string ("") can return the Boolean value false.

Any other string, including the string equal to "0", will return the Boolean value true.

What does Boolean mean?

In programming, Boolean quantity refers to the true or false state. Usually expressed by 0, 1 or 1 and-1 respectively, which is related to the programming language. Specifically, when the Dambre quantity is true, it means that the expression or judgment is established, otherwise the formula or judgment is not established. Just understand it as true or false.

What is Boolean?

A common data type in high-level languages, used to mark true and false. Often used in judgment.

The following c++ program fragment:

……

BOOL flag = true

..... Specify the flag as true or false.

if(flag==true)

{

Cout & lt& lt "sign = true";

}

……

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Please contact me again if you have any questions. Good luck!

What does Boolean mean in the JAVA language?

Generally used for judgment. Boolean values are either true or false. The action script will also convert the values true and false to 1 and 0 when appropriate. Boolean values are usually used with logical operators in action script statements that control script flow through comparison. This is similar in C++ and JAVA. When writing code, always use it as a judgment variable to judge whether a condition is true or not.

What does Boolean operation mean in UG?

Boolean operation is Boolean operation, that is, the operation process of sum, difference and intersection between two entities or slices.

What does Boolean mean?

Boolean operation

Function: Boolean operation obtains a new object shape through the operations of union, difference and intersection of two or more objects. The system provides four Boolean operations: Union, intersection and subtraction (difference set, including A-B and B-A). These will be introduced in detail later.

After Boolean operation, two objects can be modified at any time, and the way and effect of Boolean operation can also be edited and modified. The process of Boolean operation modification can be recorded as animation to show the magical cutting effect.

The parameter panel of Boolean operation can be divided into three parts.

Pick Boolean Object (Pick Boolean Operand) rollout

This rollout is used to pick up operand b, as shown in the figure.

In Boolean operation, two original objects are called operands, one is called operand A, and the other is called operand B. Before establishing Boolean operation, an original object must be selected in the view before the Boolean button can be used. After entering the Boolean operation command panel, click the Pick Operand B command button to select the second operand.

Pick operation object B: Click this button to select another object in the scene to complete Boolean synthesis. The four options below it are used to control the properties of operand B, which should be determined before picking operand B. ..

Reference: take the reference copy of the original object as operand B. Changing the original object in the future will also change operand B in the Boolean object, but changing operand B will not change the original object.

Copy: Copy one of the original objects as operand B without changing the original object. Choose this method when the original object needs to be used for other purposes.

Move: Take the original object as operand B directly, and it will not exist. Choose this method when the original object has no other use. This mode is the default mode.

Example: Take the associated copy of the original object as the operation object B, and when one of them is modified in the future, the other one will also be affected.

Parameter rollout.

The rollout parameters can be divided into three areas, as shown in the figure.

Operand option group

This set of parameters is used to display the names of all operands and perform related operations on them.

Operand list: this list box lists all operands, which can be selected for editing.

Name: displays the name of the operation object selected in the list box. Can be edited.

Extract Operation Object: It re-extracts the currently specified operation object into the scene as a new available object, including two attributes: instance (association) and copy (copy). In this way, objects that have entered Boolean operations can still be released into the scene. This button can only be activated when an operation object is selected from the list box on it.

Note: This button is only available in the Modify panel. When the creation panel is active, the operation object cannot be extracted from the Boolean object.

Think of the deformation object mentioned above, but you can't return to the scene after entering the deformation preparation object. However, there is still a feasible way to clone a new shape in the deformed keyframe snapshot by using the snapshot tool.

Operation option group

This set of parameters provides four operation modes to choose from.

Union: used to merge two shapes, the intersecting part will be deleted, and the two objects will be merged into one after the operation is completed.

Intersection: used to keep the intersecting part of two shapes and delete the non-intersecting part.

Subtraction (A-B) (Part A-B): Subtract the overlapping part of object B from object A.

Subtraction (b-a) (part b-a): Subtract the overlapping part of object A from object B. ......