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calculate_value [2011/07/26 19:23] hermann created |
calculate_value [2022/08/19 23:50] (current) admin [Notes] |
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===== Inputs ===== | ===== Inputs ===== | ||
- | ^ Name ^ Type ^ Description ^ | + | ^ Name ^ Type ^ Description ^ |
- | | Expression | [[Image Expression Type|Image Expression ]] | Algebraic or logical expression used to calculate the lookup table. | | + | | Expression | [[Image Expression Type]] | Algebraic or logical expression used to calculate the lookup table. | |
===== Optional Inputs ===== | ===== Optional Inputs ===== | ||
- | ^ Name ^ Type ^ Description ^ Default Value ^ | + | ^ Name ^ Type ^ Description ^ Default Value ^ |
- | | Use Default Value | [[Bool Type|Bool ]] | If true, a default value will be passed as an output of the algebraic/logic expression in case an algebraic error occurs, e.g. division by zero. | False | | + | | Default Value | [[Real Value Type]] | Value to be passed in case an algebraic error occurs. | None | |
- | | Default Value | [[Double Type|Double ]] | Value to be passed in case an algebraic error occurs. | 0.0 | | + | |
===== Output ===== | ===== Output ===== | ||
- | ^ Name ^ Type ^ Description ^ | + | ^ Name ^ Type ^ Description ^ |
- | | Calculated | [[Double Type|Double ]] | The calculated value. | | + | | Calculated | [[Real Value Type]] | The calculated value. | |
===== Group ===== | ===== Group ===== | ||
Line 31: | Line 29: | ||
| Image Neighborhood Functions]] can not be used in value calculations. | | Image Neighborhood Functions]] can not be used in value calculations. | ||
- | The tables used by the "Calculate Lookup Table" must be provided by a corresponding [[Number Table]] and the values must be provided by a corresponding [[Number Value]]. | + | The tables used by the "Calculate Value" must be provided by a corresponding [[Number Table]] and the values must be provided by a corresponding [[Number Value]]. |
+ | |||
+ | For additional information about how the null values are handled during image and value calculation, see [[Image Expression Null Value Handling|this reference]]. | ||
===== Internal Name ===== | ===== Internal Name ===== |