VHTK::SampledFunction Class Reference
[Volumetric Data Nodes]
Inheritance diagram for VHTK::SampledFunction:
Detailed Description
A sampled transfer function implementation.
The function is specified through a set of sample values that are evenly distributed throughout the specified domain. Thus the samples [ Y0, Y1, Y2, Y3 ] in the example shown in the figure are evenly distributed over the X values between (and including) rangeMin and rangeMax. Input values over and under rangeMax and rangeMin are mapped to the last and first sample, respectively.
X3D Interface | ||||
| Name | Type | Default value | Description | |
 | samples | MFFloat | [] | |
| interpolated | SFBool | TRUE | |
| rangeMin | SFFloat | 0.0 | |
| rangeMax | SFFloat | 1.0 | |
| scale | SFFloat | 1.0 | |
| Derived from VHTKTransferFunctionNode | ||||
 | input | SFFloat | 0.0 | The input to convert using this transfer function. |
 | outputValue | (SFFloat) | 0.0 | This field converts the input value to a output value according to the specifications for the transfer function. |
| outputDerivative | (SFFloat) | 0.0 | This field evaluates the derivative of the transfer function at the position of the input value. |
Public Member Functions | |
| SampledFunction () | |
| Initializes local members. | |
| SampledFunction (H3D::H3DFloat y1, H3D::H3DFloat y2) | |
| Initializes local members with one segment. | |
| H3D::H3DFloat | get (H3D::H3DFloat x) |
| Get the value as float. | |
| H3D::H3DFloat | getDerivative (H3D::H3DFloat x) |
| Get the derivative. | |
Public Attributes | |
|
auto_ptr < H3D::ThreadSafeSField < H3D::SFBool > > | interpolated |
|
auto_ptr < H3D::ThreadSafeMField < H3D::MFFloat > > | samples |
|
auto_ptr < H3D::ThreadSafeSField < H3D::SFFloat > > | rangeMin |
|
auto_ptr < H3D::ThreadSafeSField < H3D::SFFloat > > | rangeMax |
|
auto_ptr < H3D::ThreadSafeSField < H3D::SFFloat > > | scale |
Static Public Attributes | |
| static H3D::H3DNodeDatabase | database |
Constructor & Destructor Documentation
| VHTK::SampledFunction::SampledFunction | ( | ) |
Initializes local members.
| VHTK::SampledFunction::SampledFunction | ( | H3D::H3DFloat | y1, | |
| H3D::H3DFloat | y2 | |||
| ) |
Initializes local members with one segment.
Member Function Documentation
| H3D::H3DFloat VHTK::SampledFunction::get | ( | H3D::H3DFloat | x | ) | [virtual] |
| H3D::H3DFloat VHTK::SampledFunction::getDerivative | ( | H3D::H3DFloat | x | ) | [virtual] |
