VHTK::VHTKScalarDataNode Class Reference
[Volumetric Data Nodes]
Detailed Description
This is the abstract base class for all nodes containing scalar data in the Volume Haptics Toolkit(VHTK).It declares functions for accessing a scalar value and the gradient of the scalar values.
Public Member Functions | |
| VHTKScalarDataNode (H3D::Inst< H3D::SFNode > _metadata=0, H3D::Inst< H3D::Field > _dataChanged=0, H3D::Inst< H3D::SFBool > _scaleVectors=0) | |
| virtual float | getScalar (const H3D::Matrix4f &T, const H3D::Vec3f &x)=0 |
| Get the scalar value at a given position in space. | |
| float | getScalar (const H3D::Vec3f &x) |
| Get the scalar value at a given position in space. | |
| virtual H3D::Vec3f | getGradient (const H3D::Matrix4f &T, const H3D::Vec3f &x)=0 |
| Get the voxel value at a given position in space. | |
| H3D::Vec3f | getGradient (const H3D::Vec3f &x) |
| Get the gradient at a given position in space. | |
| virtual string | defaultXMLContainerField () |
| Returns the default xml containerField attribute value. | |
Member Function Documentation
| virtual float VHTK::VHTKScalarDataNode::getScalar | ( | const H3D::Matrix4f & | T, | |
| const H3D::Vec3f & | x | |||
| ) | [pure virtual] |
Get the scalar value at a given position in space.
- Parameters:
-
T is the transforation matrix from local space to the space the volume data is specified in. x is the local position in space.
Implemented in VHTK::ScalarConstantField, VHTK::ScalarElectroPotentialField, VHTK::ScalarExtractorField, VHTK::ScalarRoutedField, and VHTK::VHTKScalarImageNode.
| float VHTK::VHTKScalarDataNode::getScalar | ( | const H3D::Vec3f & | x | ) | [inline] |
Get the scalar value at a given position in space.
| virtual H3D::Vec3f VHTK::VHTKScalarDataNode::getGradient | ( | const H3D::Matrix4f & | T, | |
| const H3D::Vec3f & | x | |||
| ) | [pure virtual] |
Get the voxel value at a given position in space.
- Parameters:
-
T is the transforation matrix from local space to the space the volume data is specified in. x is the local position in space.
Implemented in VHTK::ScalarConstantField, VHTK::ScalarElectroPotentialField, VHTK::ScalarRoutedField, VHTK::VHTKScalarFieldNode, and VHTK::VHTKScalarImageNode.
| H3D::Vec3f VHTK::VHTKScalarDataNode::getGradient | ( | const H3D::Vec3f & | x | ) | [inline] |
Get the gradient at a given position in space.
| virtual string VHTK::VHTKScalarDataNode::defaultXMLContainerField | ( | ) | [inline, virtual] |
Returns the default xml containerField attribute value.
For this node it is "scalarVolume".
Reimplemented from VHTK::VHTKDataNode.
