PrecomputedWarpPreconditioner
Linear system solver based on a precomputed inverse matrix, wrapped by a per-node rotation matrix
Templates:
CompressedRowSparseMatrixd
Target: Sofa.Component.LinearSolver.Preconditioner
namespace: sofa::component::linearsolver::preconditioner
parents:
MatrixLinearSolver
Data:
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the objet belongs to | |
| bbox | this object bounding box | |
| componentState | The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). | Undefined |
| listening | if true, handle the events, otherwise ignore the events | 0 |
| parallelInverseProduct | Parallelize the computation of the product J*M^{-1}*J^T where M is the matrix of the linear system and J is any matrix with compatible dimensions | 0 |
| jmjt_twostep | Use two step algorithm to compute JMinvJt | 1 |
| use_file | Dump system matrix in a file | 1 |
| share_matrix | Share the compliance matrix in memory if they are related to the same file (WARNING: might require to reload Sofa when opening a new scene...) | 1 |
| use_rotations | Use Rotations around the preconditioner | 1 |
| Visualization | ||
| draw_rotations_scale | Scale rotations in draw function | 0 |
Links:
| Name | Description |
|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) |
| slaves | Sub-objects used internally by this object |
| master | nullptr for regular objects, or master object for which this object is one sub-objects |
| linearSystem | The linear system to solve |
| linearSolver | Link towards the linear solver used to precompute the first matrix |