| SoGetMatrixAction Class |
Computes transformation matrix for a subgraph.
Inheritance HierarchyOIV.InventorSoNetBase
OIV.Inventor.ActionsSoAction
OIV.Inventor.ActionsSoGetMatrixAction
Namespace: OIV.Inventor.Actions
Assembly: OIV.Inventor (in OIV.Inventor.dll) Version: 2024.2.2.0 (10.16.2.0)
SyntaxThe SoGetMatrixAction type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | SoGetMatrixAction | Constructor. |
Methods| Name | Description | |
|---|---|---|
| Apply(SoNode) | Initiates an action on the graph defined by a node. |
| Apply(SoPath) | Initiates an action on the graph defined by a path. |
| Apply(SoPathList) | Calls Apply(pathList, false). (Inherited from SoAction.) |
| Apply(SoPathList, Boolean) | Initiates an action on the graph defined by a list of paths. |
| ClearApplyResult | When applied, an action may reference nodes or create objects (e.g. |
 | EnableElement | |
| EnableElements | Obsolete.
Returns the list of enabled elements for a given action subclass.
(Inherited from SoAction.) |
| Equals | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
| ForwardTraversal(SoNode) | Traverse a node that is not part of the current scenegraph. |
| ForwardTraversal(SoPath) | Traverse a path that is not part of the current scenegraph. |
| GetContinueActionInBranchFlag | This function indicates if the action must stop in the current branch. |
| GetCurPath | Returns the path accumulated during traversal, i.e., the chain of nodes from the root of the traversed graph to the current node being traversed. |
| GetDistribMode | Returns the distribution mode of this action across a cluster (ScaleViz-Cluster only). |
| GetHashCode |
Overrides GetHashCode().
(Inherited from SoNetBase.) |
| GetInverse | Returns the inverse of the cumulative transformation matrix. |
| GetMatrix | Returns cumulative transformation matrix. |
| GetNodeAppliedTo | Returns the node the action is being applied to. |
| GetOriginalPathListAppliedTo | Returns the original path list the action is being applied to. |
| GetPathAppliedTo | Returns the path the action is being applied to. |
| GetPathCode | Returns path code based on where current node (the node at the end of the current path) lies with respect to the path(s) the action is being applied to. |
| GetPathListAppliedTo | Returns the path list the action is being applied to. |
| GetPipeId | Gets pipe identifier in the range [1..N] associated to this render action while running a ScaleViz Multipipe configuration. |
| GetSceneManager | Return the OIV.Inventor.SoSceneManager associated with this action. |
| GetState | Gets the state from the action. |
| GetTextureInverse | Returns the inverse of the cumulative texture transformation matrix. |
| GetTextureMatrix | Returns cumulative texture transformation matrix. |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| GetViewportRegion | Returns current viewport region to use for action. |
| GetWhatAppliedTo | Returns code indicating what action is being applied to. |
| HasTerminated | Returns true if the traversal has reached a termination condition. |
| InvalidateState | Invalidates the current traversal state in the action, forcing it to be recreated when the action is next applied. |
| IsBeingApplied | Returns true if this action is currently being applied. |
| IsLastPathListAppliedTo | Returns true if the current list is the last one from the original. |
| IsUsingAlternateRep | Returns true if current action is using alternate representations. |
| PostDelayedTraversal | Method called by SoMultiPassManager after delayed pass traversals. |
| PreDelayedTraversal | Method called by SoMultiPassManager before delayed pass traversals. |
| ResetContinueActionInBranchFlag | This function resets the continue action flag. |
| SetPipeId | Sets pipe identifier in the range [1..N] associated to this render action while running a ScaleViz Multipipe configuration. |
| SetSceneManager | Set the scene manager associated with this action (if any ). |
| SetUpState | Creates state if it is NULL or it is no longer valid because new elements have been enabled since it was created. |
| SetViewportRegion | Sets current viewport region to use for action. |
| StopActionInBranch | This function stops the action in the current Scene Graph branch. |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| Traverse | Does traversal of a graph rooted by a node. |
| UseAlternateRep | Tell the action to use alternate representations during traversal when available. |
RemarksThis action computes transformation matrices for a given subgraph. It computes the cumulative transformation matrix and its inverse, along with a cumulative texture transformation matrix and its inverse. The cumulative transformation matrix transforms the coordinates of a shape from the local object coordinate system to the global world coordinate system.
When this action is applied to a node, it computes the matrix for just that node. This is currently the easiest way to get the transformation matrix for an OIV.Inventor.Nodes.SoTransform node. It's not very useful for most other types of nodes.
The most common scenario is applying this action to a path. In that case it gathers the transformation info for all nodes in the path and those that affect nodes in the path, but it stops when it hits the last node in the path; it does not traverse downwards from it as most other actions (such as rendering) do. This behavior makes the most sense for this action. To get a path to, for example, a specific geometry in the scene graph see OIV.Inventor.Actions.SoSearchAction.
Sets: OIV.Inventor.Elements.SoViewportRegionElement
EXAMPLE
SoPath somePath = ...
SoGetMatrixAction gma = new SoGetMatrixAction( viewer.GetViewportRegion() );
gma.Apply( somePath );
SbMatrix matrix = gma.GetMatrix();See Also