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The SoBoolOperation engine evaluates expressions of boolean logic.The multivalue fields SoBoolOperation::a and SoBoolOperation::b are combined according to the operations set in SoBoolOperation::operation, with the resulting TRUE
or FALSE
value set on SoBoolOperation::output.
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#include <Inventor/engines/SoBoolOperation.h>
Public Types | |
enum | Operation { CLEAR, SET, A, NOT_A, B, NOT_B, A_OR_B, NOT_A_OR_B, A_OR_NOT_B, NOT_A_OR_NOT_B, A_AND_B, NOT_A_AND_B, A_AND_NOT_B, NOT_A_AND_NOT_B, A_EQUALS_B, A_NOT_EQUALS_B } |
Public Member Functions | |
SoBoolOperation () | |
Static Public Member Functions | |
static void | initClass () |
Public Attributes | |
SoMFBool | a |
SoMFBool | b |
SoMFEnum | operation |
SoEngineOutput | output |
SoEngineOutput | inverse |
Protected Member Functions | |
~SoBoolOperation () |
The SoBoolOperation engine evaluates expressions of boolean logic.
The multivalue fields SoBoolOperation::a and SoBoolOperation::b are combined according to the operations set in SoBoolOperation::operation, with the resulting TRUE
or FALSE
value set on SoBoolOperation::output.
Enumeration of available boolean logic operators.
CLEAR |
Always set SoBoolOperation::output to |
SET |
Always set SoBoolOperation::output to |
A |
Output result = SoBoolOperation::a |
NOT_A |
Output result = ! SoBoolOperation::a |
B |
Output result = SoBoolOperation::b |
NOT_B |
Output result = ! SoBoolOperation::b |
A_OR_B |
r = a || b |
NOT_A_OR_B |
r = !a || b |
A_OR_NOT_B |
r = a || !b |
NOT_A_OR_NOT_B |
r = !a || !b |
A_AND_B |
r = a && b |
NOT_A_AND_B |
r = !a && b |
A_AND_NOT_B |
r = a && !b |
NOT_A_AND_NOT_B |
r = !a && !b |
A_EQUALS_B |
r = a==b |
A_NOT_EQUALS_B |
r = ! a==b |
SoBoolOperation::SoBoolOperation | ( | void | ) |
Default constructor.
References A, a, A_AND_B, A_AND_NOT_B, A_EQUALS_B, A_NOT_EQUALS_B, A_OR_B, A_OR_NOT_B, B, b, CLEAR, inverse, NOT_A, NOT_A_AND_B, NOT_A_AND_NOT_B, NOT_A_OR_B, NOT_A_OR_NOT_B, NOT_B, operation, output, and SET.
SoBoolOperation::~SoBoolOperation | ( | ) | [protected] |
Destructor.
void SoBoolOperation::initClass | ( | void | ) | [static] |
Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system.
Reimplemented from SoEngine.
First set of boolean input "signal" values.
Referenced by SoBoolOperation().
Second set of boolean input "signal" values.
Referenced by SoBoolOperation().
Set of boolean logic expressions. Each of these are used to combine SoBoolOperation::a with SoBoolOperation::b (for each index value from 0 to the last value) to produce the results on the SoBoolOperation::output field.
Referenced by SoBoolOperation().
(SoMFBool) The result of each (a[i] operation[i] b[i]) expression.
Referenced by SoBoolOperation().
(SoMFBool) The set of inverse results.
Referenced by SoBoolOperation().
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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