This is a special 19-point stencil that supports optimal fifth-order WENO upwinding, second-order central differencing, Laplacian, and zero-crossing test.
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| WenoStencil (const GridType &grid) |
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| WenoStencil (const GridType &grid, Real dx) |
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ValueType | normSqGrad (const ValueType &isoValue=zeroVal< ValueType >()) const |
| Return the norm-square of the WENO upwind gradient (computed via WENO upwinding and Godunov's scheme) at the previously buffered location. More...
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math::Vec3< ValueType > | gradient (const math::Vec3< ValueType > &V) const |
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math::Vec3< ValueType > | gradient () const |
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ValueType | laplacian () const |
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bool | zeroCrossing () const |
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void | moveTo (const Coord &ijk) |
| Initialize the stencil buffer with the values of voxel (i, j, k) and its neighbors. More...
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void | moveTo (const Coord &ijk, const ValueType ¢erValue) |
| Initialize the stencil buffer with the values of voxel (i, j, k) and its neighbors. The method also takes a value of the center element of the stencil, assuming it is already known. More...
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void | moveTo (const IterType &iter) |
| Initialize the stencil buffer with the values of voxel (x, y, z) and its neighbors. More...
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void | moveTo (const Vec3< RealType > &xyz) |
| Initialize the stencil buffer with the values of voxel (x, y, z) and its neighbors. More...
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const ValueType & | getValue (unsigned int pos=0) const |
| Return the value from the stencil buffer with linear offset pos. More...
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const ValueType & | getValue () const |
| Return the value at the specified location relative to the center of the stencil. More...
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void | setValue (const ValueType &value) |
| Set the value at the specified location relative to the center of the stencil. More...
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int | size () |
| Return the size of the stencil buffer. More...
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ValueType | median () const |
| Return the median value of the current stencil. More...
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ValueType | mean () const |
| Return the mean value of the current stencil. More...
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ValueType | min () const |
| Return the smallest value in the stencil buffer. More...
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ValueType | max () const |
| Return the largest value in the stencil buffer. More...
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const Coord & | getCenterCoord () const |
| Return the coordinates of the center point of the stencil. More...
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const ValueType & | getCenterValue () const |
| Return the value at the center of the stencil. More...
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bool | intersects (const ValueType &isoValue=zeroVal< ValueType >()) const |
| Return true if the center of the stencil intersects the iso-contour specified by the isoValue. More...
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std::bitset< 6 > | intersectionMask (const ValueType &isoValue=zeroVal< ValueType >()) const |
| Return true a bit-mask where the 6 bits indicates if the center of the stencil intersects the iso-contour specified by the isoValue. More...
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const GridType & | grid () const |
| Return a const reference to the grid from which this stencil was constructed. More...
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const AccessorType & | accessor () const |
| Return a const reference to the ValueAccessor associated with this Stencil. More...
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template<typename GridT, bool IsSafe = true>
class openvdb::OPENVDB_VERSION_NAME::math::WenoStencil< GridT, IsSafe >
This is a special 19-point stencil that supports optimal fifth-order WENO upwinding, second-order central differencing, Laplacian, and zero-crossing test.
- Note
- For optimal random access performance this class includes its own grid accessor.
Definition at line 1365 of file Stencils.h.