new RescaleLut(rsi, bitsStored)
Rescale LUT class. Typically converts from integer to float.
Parameters:
| Name | Type | Description |
|---|---|---|
rsi | object | The rescale slope and intercept. |
bitsStored | number | The number of bits used to store the data. |
- Source
Methods
getLength() → {number}
Get the length of the LUT array.
- Source
Returns:
The length of the LUT array.
- Type:
- number
getRSI() → {object}
Get the Rescale Slope and Intercept (RSI).
- Source
Returns:
The rescale slope and intercept object.
- Type:
- object
getValue(offset) → {number}
Get the value of the LUT at the given offset.
Parameters:
| Name | Type | Description |
|---|---|---|
offset | number | The input offset in [0,2^bitsStored] range. |
- Source
Returns:
The float32 value of the LUT at the given offset.
- Type:
- number
initialise()
Initialise the LUT.
- Source
isReady() → {boolean}
Is the lut ready to use or not? If not, the user must call 'initialise'.
- Source
Returns:
True if the lut is ready to use.
- Type:
- boolean