C++ API Reference
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NURBS curve function set. More...
#include <MFnNurbsCurve.h>
Public Member Functions | |
virtual MFn::Type | type () const |
Function set type. More... | |
virtual | ~MFnNurbsCurve () |
Destructor. More... | |
MFnNurbsCurve () | |
Default constructor. | |
MFnNurbsCurve (MObject &object, MStatus *ReturnStatus=NULL) | |
Constructor. More... | |
MFnNurbsCurve (const MDagPath &object, MStatus *ret=NULL) | |
Constructor. More... | |
MObject | create (const MPointArray &controlVertices, const MDoubleArray &knotSequences, unsigned int degree, Form agForm, bool create2D, bool createRational, MObject &parentOrOwner=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
This method creates a nurbs curve from the given control vertices and knot vector and sets this function set to operate on the new curve. More... | |
MObject | createWithEditPoints (const MPointArray &editPoints, unsigned int degree, Form agForm, bool create2D, bool createRational, bool uniformParam, MObject &parentOrOwner=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
This method creates a nurbs curve from the given edit points and sets this function set to operate on the new curve. More... | |
MObject | create (const MObjectArray &sources, MObject &parentOrOwner=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
This method creates a single curve that combines all the curves in the MObjectArray. More... | |
MObject | copy (const MObject &source, MObject &parentOrOwner=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
This method creates a copy of a nurbs curve. More... | |
MStatus | reverse (bool constructionHistory=false) |
This method reverse the curve direction. More... | |
MStatus | makeMultipleEndKnots () |
This method gives end knots full multiplicity. More... | |
MObject | cv (unsigned int index, MStatus *ReturnStatus=NULL) const |
Returns a CV as a component. More... | |
MStatus | getCV (unsigned int index, MPoint &pt, MSpace::Space space=MSpace::kObject) const |
Get the CV at the given index. More... | |
MStatus | setCV (unsigned int index, const MPoint &pt, MSpace::Space space=MSpace::kObject) |
Set the CV at the given index to the given point. More... | |
Form | form (MStatus *ReturnStatus=NULL) const |
This method returns the form of the curve. More... | |
int | degree (MStatus *ReturnStatus=NULL) const |
Return the degree of this curve. More... | |
int | numCVs (MStatus *ReturnStatus=NULL) const |
Return the number of CVs for this curve. More... | |
int | numSpans (MStatus *ReturnStatus=NULL) const |
Return the number of spans for this curve. More... | |
int | numKnots (MStatus *ReturnStatus=NULL) const |
Return the number of knots for this curve. More... | |
MStatus | getKnotDomain (double &start, double &end) const |
Return the range corresponding to the maximum and minimum parameter values for this curve. More... | |
MStatus | getKnots (MDoubleArray &array) const |
This method retrieves a copy of the knot array for this curve. More... | |
MStatus | setKnots (const MDoubleArray &array, unsigned int startIndex, unsigned int endIndex) |
This method is used to set the values of a contiguous group of knots of the curve. More... | |
MStatus | setKnot (unsigned int index, double param) |
Set the given knot's parameter value. More... | |
MObject | cvs (unsigned int startIndex, unsigned int endIndex, MStatus *ReturnStatus=NULL) const |
Returns a contiguous group of CVs as a component. More... | |
MStatus | getCVs (MPointArray &array, MSpace::Space space=MSpace::kObject) const |
Get the positions of the CVs of this curve. More... | |
MStatus | setCVs (const MPointArray &array, MSpace::Space space=MSpace::kObject) |
Set the CVs for this curve to the given points. More... | |
double | knot (unsigned int index, MStatus *ReturnStatus=NULL) const |
Get the parameter value of the specified knot for this curve. More... | |
MStatus | removeKnot (double atThisParam, bool removeAll=false) |
Remove one or more knots at the given parameter. More... | |
bool | isPointOnCurve (const MPoint &point, double tolerance=kMFnNurbsEpsilon, MSpace::Space space=MSpace::kObject, MStatus *ReturnStatus=NULL) const |
Determines whether the given point is on this curve. More... | |
MStatus | getPointAtParam (double param, MPoint &point, MSpace::Space space=MSpace::kObject) const |
Returns the point in space that is at the given parameter value of the curve. More... | |
MStatus | getParamAtPoint (const MPoint &atThisPoint, double ¶m, MSpace::Space space=MSpace::kObject) const |
This method retrieves the parameter value corresponding to the given point on the curve. More... | |
MStatus | getParamAtPoint (const MPoint &atThisPoint, double ¶m, double tolerance, MSpace::Space space=MSpace::kObject) const |
This method retrieves the parameter value corresponding to the given point on the curve. More... | |
bool | isParamOnCurve (double param, MStatus *ReturnStatus=NULL) const |
Determines whether the specified parameter value is within the bounds of the knot vector of this curve. More... | |
MVector | normal (double param, MSpace::Space space=MSpace::kObject, MStatus *ReturnStatus=NULL) const |
This method returns the normal at the given parameter value on the curve. More... | |
MVector | tangent (double param, MSpace::Space space=MSpace::kObject, MStatus *ReturnStatus=NULL) const |
This method returns the tangent at the given parameter value on the curve. More... | |
MStatus | getDerivativesAtParm (double param, MPoint &pos, MVector &dU, MSpace::Space space, MVector *dUU=NULL) const |
Evaluate the curve at the given parameter returning the position, first derivative and optionally the second derivative. More... | |
bool | isPlanar (MVector *planeNormal=NULL, MStatus *ReturnStatus=NULL) const |
This method determines if this curve is a planar curve. More... | |
MPoint | closestPoint (const MPoint &toThisPoint, double *param=NULL, double tolerance=kMFnNurbsEpsilon, MSpace::Space space=MSpace::kObject, MStatus *ReturnStatus=NULL) const |
This method determines the closest point on the curve to the given point. More... | |
MPoint | closestPoint (const MPoint &toThisPoint, bool paramAsGuess, double *param=NULL, double tolerance=kMFnNurbsEpsilon, MSpace::Space space=MSpace::kObject, MStatus *ReturnStatus=NULL) const |
This method determines the closest point on the curve to the given point. More... | |
double | distanceToPoint (const MPoint &pt, MSpace::Space space=MSpace::kObject, MStatus *ReturnStatus=NULL) const |
Returns the distance from the given point to the point on the curve which is closest to it. More... | |
double | area (double tolerance=kMFnNurbsEpsilon, MStatus *ReturnStatus=NULL) const |
This method returns the area bounded by this curve. More... | |
double | length (double tolerance=kMFnNurbsEpsilon, MStatus *ReturnStatus=NULL) const |
Return the arc length of this curve or 0.0 if it cannot be computed. More... | |
double | findParamFromLength (double partLength, MStatus *ReturnStatus=NULL) const |
Returns the parameter value corresponding to a given length along the curve. More... | |
double | findParamFromLength (double partLength, double tolerance, MStatus *ReturnStatus=NULL) const |
Returns the parameter value corresponding to a given length along the curve with the given tolerance. More... | |
double | findLengthFromParam (double param, MStatus *ReturnStatus=NULL) const |
Returns the length along the curve corresponding to a given parameter value on the curve. More... | |
bool | hasHistoryOnCreate (MStatus *ReturnStatus=NULL) const |
This method determines if the shape was created with history. More... | |
MStatus | updateCurve () |
This method signals that this curve has changed and needs to be recalculated. More... | |
MObject | rebuild (unsigned int spans, unsigned int degree=3, unsigned int keepRange=1, unsigned int endKnots=0, bool keepEndPoints=true, bool keepTangents=true, bool keepControlPoints=false, float tolerance=0.01f, MStatus *ReturnStatus=NULL) const |
This method rebuilds a new curve based on the current curve and parameters. More... | |
MFnNurbsCurve (const MObject &object, MStatus *ret=NULL) | |
Constructor. More... | |
Public Member Functions inherited from MFnDagNode | |
virtual | ~MFnDagNode () |
Destructor. More... | |
MFnDagNode () | |
Class Constructor. More... | |
MFnDagNode (MObject &object, MStatus *ret=NULL) | |
This method is not available in Python. More... | |
MFnDagNode (const MDagPath &object, MStatus *ret=NULL) | |
Class Constructor. More... | |
MObject | create (const MTypeId &typeId, MObject &parent=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
Creates a new DAG node with the given type tag. More... | |
MObject | create (const MTypeId &typeId, const MString &name, MObject &parent=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
Creates a new DAG node with the given type tag. More... | |
MObject | create (const MString &type, MObject &parent=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
Creates a new DAG node with the given type tag. More... | |
MObject | create (const MString &type, const MString &name, MObject &parent=MObject::kNullObj, MStatus *ReturnStatus=NULL) |
Creates a new DAG node with the given type tag. More... | |
unsigned int | parentCount (MStatus *ReturnStatus=NULL) const |
Determines the number of parent Nodes of the Node. More... | |
MObject | parent (unsigned int i, MStatus *ReturnStatus=NULL) const |
Queries the DAG Node attached to the Function Set for the parent Node corresponding to the given index. More... | |
MStatus | addChild (MObject &child, unsigned int index=kNextPos, bool keepExistingParents=false) |
Makes the given DAG Node a child of the DAG Node to which this instance of the Function Set is attached. More... | |
MStatus | removeChild (MObject &child) |
Removes the given DAG Node from the parent. More... | |
MStatus | removeChildAt (unsigned int index) |
Removes the child at the given index from the parent. More... | |
unsigned int | childCount (MStatus *ReturnStatus=NULL) const |
Determines the number of child Nodes of the Node. More... | |
MObject | child (unsigned int i, MStatus *ReturnStatus=NULL) const |
Queries the DAG Node attached to the Function Set for the child Node corresponding to the given index. More... | |
MObject | dagRoot (MStatus *ReturnStatus=NULL) |
Determines the root of the first DAG Path to the DAG Node attached to the Function Set. More... | |
bool | hasParent (const MObject &node, MStatus *ReturnStatus=NULL) const |
Determines whether or not the given Node is a parent of the DAG Node attached to the Function Set. More... | |
bool | hasChild (const MObject &node, MStatus *ReturnStatus=NULL) const |
Determines whether or not the given Node is a child of the DAG Node attached to the Function Set. More... | |
bool | isChildOf (const MObject &node, MStatus *ReturnStatus=NULL) const |
Determines whether or not the DAG Node attached to the Function Set is a child of the given node. More... | |
bool | isParentOf (const MObject &node, MStatus *ReturnStatus=NULL) const |
Determines whether or not the DAG Node attached to the Function Set is a parent of the given node. More... | |
bool | inUnderWorld (MStatus *ReturnStatus=NULL) const |
Determines whether or not the DAG Node is an underworld node. More... | |
bool | inModel (MStatus *ReturnStatus=NULL) const |
Determines whether or not the DAG Node is in the model. More... | |
bool | isInstanceable (MStatus *ReturnStatus=NULL) const |
Returns true if the DAG node can be instanced, and false otherwise. More... | |
MStatus | setInstanceable (const bool how) |
Sets whether or not the DAG node is instanceable. More... | |
bool | isInstanced (bool indirect=true, MStatus *ReturnStatus=NULL) const |
Determines whether the DAG Node attached to the Function Set is directly or indirectly instanced. More... | |
bool | isInstancedAttribute (const MObject &attr, MStatus *ReturnStatus=NULL) const |
Returns true if the specified attribute is instanced. More... | |
unsigned int | instanceCount (bool total, MStatus *ReturnStatus=NULL) const |
Determines the number of times the Node attached to the Function Set is instanced. More... | |
MObject | duplicate (bool instance=false, bool instanceLeaf=false, MStatus *ReturnStatus=NULL) const |
This method duplicates the DAG hierarchy rooted at the current node. More... | |
MStatus | getPath (MDagPath &path) const |
Returns a DAG Path to the DAG Node attached to the Function Set. More... | |
MStatus | getAllPaths (MDagPathArray &paths) const |
Determines all DAG Paths to the DAG Node attached to the Function Set. More... | |
MString | fullPathName (MStatus *ReturnStatus=NULL) const |
Return a string representing the full path from the root of the dag to this object. More... | |
MString | partialPathName (MStatus *ReturnStatus=NULL) const |
Return a string representing the partial path from the root of the dag to this object. More... | |
MMatrix | transformationMatrix (MStatus *ReturnStatus=NULL) const |
Returns the object space transformation matrix for this DAG node. More... | |
bool | isIntermediateObject (MStatus *ReturnStatus=NULL) const |
Returns true if this object is an intermediate in a geometry calculation. More... | |
MStatus | setIntermediateObject (bool isIntermediate) |
Sets whether this object is an intermediate in a geometry calculation. More... | |
int | objectColor (MStatus *ReturnStatus=NULL) const |
This method is obsolete. More... | |
MStatus | setObjectColor (int color) |
Sets the index for the current user defined inactive color used by the node. More... | |
bool | usingObjectColor (MStatus *ReturnStatus=NULL) const |
This method is obsolete. More... | |
MStatus | setUseObjectColor (bool useObjectColor) |
This method is obsolete. More... | |
MObjectColorType | objectColorType (MStatus *ReturnStatus=NULL) const |
Determines whether or not the user defined inactive color will be used for the node, or whether the default inactive color will be used. More... | |
MStatus | setObjectColorType (MObjectColorType type) |
Sets whether or not the user defined inactive object color will be used. More... | |
MStatus | setObjectColor (const MColor &color) |
Sets the color value for the current user defined inactive color used by the node. More... | |
MColor | objectColorRGB (MStatus *ReturnStatus=NULL) const |
Determines the RGB color for the current user defined inactive color used by the node. More... | |
int | objectColorIndex (MStatus *ReturnStatus=NULL) const |
Determines the index for the current user defined inactive color used by the node. More... | |
MColor | hiliteColor (MStatus *ReturnStatus=NULL) const |
Determines the current hilite color used by the node. More... | |
bool | usingHiliteColor (MStatus *ReturnStatus=NULL) const |
Determines whether or not the hilite color will be used for the node. More... | |
MColor | dormantColor (MStatus *ReturnStatus=NULL) const |
Determines the dormant color used by this node. More... | |
MColor | activeColor (MStatus *ReturnStatus=NULL) const |
Determines the active color used by this node. More... | |
bool | drawOverrideEnabled (MStatus *ReturnStatus=NULL) const |
Determines whether or not draw override is turned on for this node. More... | |
bool | drawOverrideIsReference (MStatus *ReturnStatus=NULL) const |
Determines whether or not Display Type of the draw override is Reference for this node. More... | |
bool | drawOverrideIsTemplate (MStatus *ReturnStatus=NULL) const |
Determines whether or not Display Type of the draw override is Template for this node. More... | |
bool | drawOverrideColor (MColor &color, MStatus *ReturnStatus=NULL) const |
Determines the draw override color used by this node. More... | |
MStatus | getConnectedSetsAndMembers (unsigned int instanceNumber, MObjectArray &sets, MObjectArray &comps, bool renderableSetsOnly) const |
Returns all the sets connected to the specified instance of this DAG object. More... | |
MBoundingBox | boundingBox (MStatus *ReturnStatus=NULL) const |
Returns the bounding box for the dag node in object space. More... | |
MDagPath | dagPath (MStatus *ReturnStatus=NULL) const |
Returns the DagPath to which the Function Set is attached. More... | |
virtual MStatus | setObject (const MDagPath &path) |
Attaches Function Set to the DAG Node that has the given DAG Path. More... | |
MStatus | setObject (MObject &object) override |
Attaches Function Set to given DAG Node. More... | |
MObject | model (MStatus *ReturnStatus=NULL) const |
This method is obsolete. More... | |
MFnDagNode (const MObject &object, MStatus *ret=NULL) | |
No script support. More... | |
MStatus | setObject (const MObject &object) override |
No script support. More... | |
Public Member Functions inherited from MFnDependencyNode | |
virtual | ~MFnDependencyNode () |
Destructor. | |
MFnDependencyNode () | |
Default constructor. | |
MFnDependencyNode (MObject &object, MStatus *ReturnStatus=NULL) | |
Constructor. More... | |
MObject | create (const MTypeId &typeId, MStatus *ReturnStatus=NULL) |
Creates a new dependency node with the given type tag. More... | |
MObject | create (const MTypeId &typeId, const MString &name, MStatus *ReturnStatus=NULL) |
Creates a new dependency node with the given type tag. More... | |
MObject | create (const MString &type, MStatus *ReturnStatus=NULL) |
Creates a new dependency node with the given type. More... | |
MObject | create (const MString &type, const MString &name, MStatus *ReturnStatus=NULL) |
Creates a new dependency node with the given type. More... | |
MTypeId | typeId (MStatus *ReturnStatus=NULL) const |
Returns the type id of this node. More... | |
MString | typeName (MStatus *ReturnStatus=NULL) const |
Returns the type name of this node. More... | |
MString | name (MStatus *ReturnStatus=NULL) const |
Returns the name of this node. More... | |
MString | absoluteName (MStatus *ReturnStatus=NULL) const |
Returns the absolute name of this node. More... | |
MString | uniqueName (MStatus *ReturnStatus=NULL) const |
Returns the unique name of this node. More... | |
MString | pluginName (MStatus *ReturnStatus=NULL) const |
Returns the name of the plug-in this MFnDependendencyNode was defined in. More... | |
MString | setName (const MString &name, bool createNamespace=false, MStatus *ReturnStatus=NULL) |
Sets the name of this node. More... | |
MUuid | uuid (MStatus *ReturnStatus=NULL) const |
Returns the node's UUID. More... | |
void | setUuid (const MUuid &uuid, MStatus *ReturnStatus=NULL) |
Sets the node's UUID. More... | |
MStatus | getConnections (MPlugArray &array) const |
Get all of the current connections to this node as an array of plugs. More... | |
unsigned int | attributeCount (MStatus *ReturnStatus=NULL) const |
Returns the number of attributes that this node has. More... | |
MObject | attribute (unsigned int index, MStatus *ReturnStatus=NULL) const |
Finds the attribute of this node at the given index. More... | |
MObject | reorderedAttribute (unsigned int index, MStatus *ReturnStatus=NULL) const |
Some nodes, such as the various animCurve nodes, require that their attributes be set in a specific order for proper operation. More... | |
MObject | attribute (const MString &attrName, MStatus *ReturnStatus=NULL) const |
Finds the attribute of this node that has the given name. More... | |
MAttrClass | attributeClass (const MObject &attr, MStatus *ReturnStatus=NULL) const |
Returns the class (normal, dynamic, extension) of the specified attribute. More... | |
MStatus | getAffectedAttributes (const MObject &attr, MObjectArray &affectedAttributes) const |
Returns an array of attributes that are affected by the attribute passed in. More... | |
MStatus | getAffectedByAttributes (const MObject &attr, MObjectArray &affectedByAttributes) const |
Returns an array of attributes that affect the attribute passed in, attr. More... | |
MPlug | findPlug (const MObject &attr, bool wantNetworkedPlug, MStatus *ReturnStatus=NULL) const |
Attempt to find a plug for the given attribute. More... | |
MPlug | findPlug (const MString &attrName, bool wantNetworkedPlug, MStatus *ReturnStatus=NULL) const |
Attempt to find a plug for the given attribute. More... | |
MPlug | findPlug (const MObject &attr, MStatus *ReturnStatus=NULL) const |
This method is obsolete. More... | |
MPlug | findPlug (const MString &attrName, MStatus *ReturnStatus=NULL) const |
This method is obsolete. More... | |
MStatus | addAttribute (const MObject &attr) |
Add a new dynamic attibute to this node. More... | |
MStatus | removeAttribute (const MObject &attr) |
Remove a dynamic attribute from a node. More... | |
MPxNode * | userNode (MStatus *ReturnStatus=NULL) const |
If the function set's node is a plug-in node, then this method will extract the MPxNode pointer from it. More... | |
bool | isFromReferencedFile (MStatus *ReturnStatus=NULL) const |
Indicates whether or not this node came from a referenced file. More... | |
bool | isShared (MStatus *ReturnStatus=NULL) const |
Indicates whether or not this node is shared. More... | |
bool | isTrackingEdits (MStatus *ReturnStatus=NULL) const |
Returns whether or not edits on the given node are being tracked by the generalized edit system. More... | |
bool | hasUniqueName (MStatus *ReturnStatus=NULL) const |
Indicates whether or not this node's name is unique within the scene. More... | |
MString | parentNamespace (MStatus *ReturnStatus=NULL) const |
Returns the name of the namespace in which this node resides. More... | |
bool | isLocked (MStatus *ReturnStatus=NULL) const |
Indicates whether or not this node is locked. More... | |
MStatus | setLocked (bool locked) |
Locks or unlocks this node. More... | |
bool | isNewAttribute (const MObject &attr, MStatus *ReturnStatus=NULL) const |
Indicates whether or not the specified attribute was added to this node within the current scene. More... | |
MStatus | setFlag (unsigned int flag, bool state) |
Sets the state of the specified flag for the node. More... | |
bool | isFlagSet (unsigned int flag, MStatus *ReturnStatus=NULL) const |
Retrieves the current state of the specified flag for a node. More... | |
bool | isDefaultNode (MStatus *ReturnStatus=NULL) const |
Returns true if the node is a default node. More... | |
MStatus | setDoNotWrite (bool flag) |
Use this method to mark the "do not write" state of this node. More... | |
bool | canBeWritten (MStatus *ReturnStatus=NULL) const |
Returns the do not write state of the node. More... | |
bool | hasAttribute (const MString &name, MStatus *ReturnStatus=NULL) const |
Returns true if the node already has an attribute with the given name. More... | |
MObject | getAliasAttr (bool force, MStatus *ReturnStatus=NULL) |
Returns the node's alias attribute, which is a special attribute used to store information about the node's attribute aliases. More... | |
bool | setAlias (const MString &alias, const MString &name, const MPlug &plug, bool add=true, MStatus *ReturnStatus=NULL) |
Sets or removes an alias (i.e. More... | |
bool | findAlias (const MString &alias, MObject &attrObj, MStatus *ReturnStatus=NULL) const |
Retrieves the attribute with the given alias. More... | |
bool | getAliasList (MStringArray &strArray, MStatus *ReturnStatus=NULL) |
Returns a list of all attribute aliases for this node. More... | |
MString | plugsAlias (const MPlug &plug, MStatus *ReturnStatus=NULL) |
Returns the alias for the plug's attribute or the empty string if that attribute has no alias. More... | |
MStatus | setIcon (const MString &filename) |
Associates a custom icon with the node for display in the Maya UI. More... | |
MString | icon (MStatus *ReturnStatus=NULL) const |
Returns the custom icon filename associated with the node. More... | |
MStatus | getExternalContent (MExternalContentInfoTable &table) const |
Returns the external content (files) that this node depends on. More... | |
MStatus | addExternalContentForFileAttr (MExternalContentInfoTable &table, const MObject &attr) const |
Adds content info to the specified table from a file path attribute. More... | |
MStatus | setExternalContentForFileAttr (const MObject &attr, const MExternalContentLocationTable &table) |
Sets content info in the specified attribute from the table. More... | |
MStatus | setExternalContent (const MExternalContentLocationTable &table) |
Changes the location of external content. More... | |
bool | affectsAnimation (MStatus *ReturnStatus=NULL) const |
Indicates whether or not this node is allowed to animate. More... | |
MStatus | setAffectsAnimation () |
Define a node can affect animation. More... | |
MString | setName (const MString &name, MStatus *ReturnStatus) |
This method is obsolete. More... | |
MFnDependencyNode (const MObject &object, MStatus *ReturnStatus=NULL) | |
This method is not available in Python. More... | |
bool | getPlugsAlias (const MPlug &plug, MString &aliasName, MStatus *ReturnStatus=NULL) |
This method is not available in Python. More... | |
virtual const adsk::Data::Associations * | metadata (MStatus *ReturnStatus=NULL) const |
This method is not available in Python. More... | |
virtual MStatus | setMetadata (const adsk::Data::Associations &) |
This method is not available in Python. More... | |
virtual MStatus | deleteMetadata () |
This method is not available in Python. More... | |
virtual MStatus | validateMetadata (MString &errors) const |
This method is not available in Python. More... | |
MStatus | dgTimerOn () |
Indicates that this node should collect DG timing data whenever DG timing is enabled. More... | |
MStatus | dgTimerOff () |
Indicates that this node should no longer collect DG timing data when DG timing is enabled. More... | |
MdgTimerState | dgTimerQueryState (MStatus *ReturnStatus=NULL) |
The function returns the current on/off state of the node's timer. More... | |
MStatus | dgTimerReset () |
The function resets the dependency graph timers and counters for this node to zero. More... | |
double | dgTimer (const MdgTimerMetric timerMetric, const MdgTimerType timerType, MStatus *ReturnStatus=NULL) const |
The function returns the specified timer value for the current node. More... | |
MStatus | dgCallbacks (const MdgTimerType type, MStringArray &callbackName, MDoubleArray &value) |
Node callbacks that occur when timing is enabled get logged with the node and can be queried via this method. More... | |
MStatus | dgCallbackIds (const MdgTimerType type, const MString &callbackName, MCallbackIdArray &callbackId, MDoubleArray &value) |
This method provides a further breakdown of the per-callback time returned via dgCallbacks() by returning the data on a per-callbackId basis. More... | |
MStatus | addAttribute (const MObject &attr, MAttrClass type) |
This method is obsolete. More... | |
MStatus | removeAttribute (const MObject &attr, MAttrClass type) |
This method is obsolete. More... | |
Public Member Functions inherited from MFnBase | |
virtual | ~MFnBase () |
Class Destructor. More... | |
bool | hasObj (MFn::Type) const |
Determines whether or not the Function Set is compatible with the specified Maya Object within the API RTTI system. More... | |
bool | hasObj (const MObject &) const |
Determines whether or not the Function Set is compatible with the specified Maya Object within the API RTTI system. More... | |
MObject | object (MStatus *ReturnStatus=nullptr) const |
Returns the MObject that is attached to the Function Set. More... | |
Static Public Member Functions | |
static const char * | className () |
Returns the name of this class. More... | |
Static Public Member Functions inherited from MFnDagNode | |
static const char * | className () |
Returns the name of this class. More... | |
Static Public Member Functions inherited from MFnDependencyNode | |
static const char * | className () |
Returns the name of this class. More... | |
static MString | classification (const MString &nodeTypeName) |
Retrieves the classification string for a node type. More... | |
static unsigned int | allocateFlag (const MString pluginName, MStatus *ReturnStatus=NULL) |
Allocates a node flag for sole use by the caller. More... | |
static MStatus | deallocateFlag (const MString pluginName, unsigned int flag) |
Deallocates a node flag which was previously allocated by a call to allocateFlag. More... | |
static MStatus | deallocateAllFlags (const MString pluginName) |
Deallocates all of the node flags which are currently allocated to the specified plugin. More... | |
static void | enableDGTiming (bool enable) |
Globally enables or disables the DG node timing mechanism. More... | |
Static Public Member Functions inherited from MFnBase | |
static const char * | className () |
Returns the name of this class. More... | |
static const char * | typeString (MFn::Type) |
Returns the type string for a given type. More... | |
static bool | isValid (MFn::Type) |
Returns true if type is in the range of valid types. More... | |
NURBS curve function set.
This is the function set for NURBS (Non-Uniform Rational B-Spline) curves.
The shape of a NURBS curve is defined by an array of CVs (control vertices), an array of knot values, a degree, and a form. There are 3 possible "forms" for the curve: open, closed and periodic.
The open and closed forms are quite similar, and in fact a closed curve will become an open curve if either the first or last CV is moved so that they are no longer coincident. To create an open or closed curve of degree N with M spans, you must provide M+N CVs. This implies that for a degree N curve, you must specify at least N+1 CVs to get a curve with a single span.
The number of knots required for a curve is M + 2N - 1. If you want the curve to start exactly at the first CV and end exactly at the last CV, then the knot vector must be structured to have degree N "multiplicity" at the beginning and end. This means that the first N knots must be identical, and the last N knots must be identical.
A periodic curve is a special case of a closed curve. Instead of having just the first and last CVs coincident, the last N CVs in the curve must overlap the first N CVs. This results in a curve with no tangent break at the seam where the ends meet. The last N CVs in a periodic curve are permanently bound to the first N CVs, and Maya will not allow those last N CVs to be repositioned. If one or more of the first N CVs of the curve are repositioned, the overlapping CV's will remain bound, and will also be moved.
In order to create a periodic curve, you must specify at least 2N+1 CVs, so that that last N can overlap the first N and you still have 1 non-overlapping CV left. The number of CVs required to create a periodic curve is still N+M (with a lower limit of 2N+1), but you must ensure that the positions of the last N CVs are identical to the positions of the first N.
You still need M + 2N - 1 knots for a periodic curve, but the knot values required are more restrictive than for open or closed curves because of the overlap at the ends, The difference between the first N pairs of knots values should be equal to the difference between the last N pairs. Additionally there can be no knot multiplicity at the ends of the curve, because that would compromise the tangent continuity property. So an example knot sequence could begin with knots at { -(N-2), -(N-1), ... , 0}.
Managing different knot representations in external applications
Note that some third party applications use a different format for knots, where the number of knots required for a curve is M+2N+1 rather than M+2N-1 as used in Maya. Both knot representations are equivalent mathematically. To convert from one of these external representations into the Maya representation, simply omit the first and last knots from the external representation when creating the Maya representation. To convert from the Maya representation into the external representation, add two new knots at the beginning and end of the Maya knot sequence. The value of these new knots depends on the existing knot sequence. For a knot sequence with multiple end knots, simply duplicate the existing first and last knots once more, for example:
Maya representation: {0,0,0,...,N,N,N}
External representation: {0,0,0,0,...,N,N,N,N}
For a knot sequence with uniform end knots, create the new knots offset at an interval equal to the existing first and last knot intervals, for example:
Maya representation: {0,1,2,...,N,N+1,N+2}
External representation: {-1,0,1,2,...,N,N+1,N+2,N+3}
enum Form |
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virtual |
Destructor.
Class desctructor.
MFnNurbsCurve | ( | MObject & | object, |
MStatus * | ReturnStatus = NULL |
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) |
MFnNurbsCurve | ( | const MDagPath & | object, |
MStatus * | ReturnStatus = NULL |
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) |
MFnNurbsCurve | ( | const MObject & | object, |
MStatus * | ReturnStatus = NULL |
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) |
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virtual |
Function set type.
Return the class type : MFn::kNurbsCurve.
Reimplemented from MFnDagNode.
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static |
Returns the name of this class.
Return the class name : "MFnNurbsCurve".
MObject create | ( | const MPointArray & | controlVertices, |
const MDoubleArray & | knots, | ||
unsigned int | degree, | ||
Form | form, | ||
bool | create2D, | ||
bool | createRational, | ||
MObject & | parentOrOwner = MObject::kNullObj , |
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MStatus * | ReturnStatus = NULL |
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) |
This method creates a nurbs curve from the given control vertices and knot vector and sets this function set to operate on the new curve.
The parentOrOwner argument is used to specify the owner of the new curve.
If the parentOrOwner is kNurbsCurveData then the created curve will be of type kNurbsCurveGeom and will be returned. The parentOrOwner will become the owner of the new curve.
If parentOrOwner is NULL then a new transform will be created and returned which will be the parent for the curve. The new transform will be added to the DAG.
If parentOrOwner is a DAG node then the new curve will be returned and the parentOrOwner will become its parent.
The knot vector is valid if it is non-decreasing and of length spans + 2 * degree - 1. The cvs are assumed to be in rational form (as opposed to homogeneous)
If the form specified is kClosed and the endpoints are not close then a new span will be created inorder to close the curve.
[in] | controlVertices | an array of control vertices |
[in] | knots | an array of knots |
[in] | degree | the degree to create the curve with |
[in] | form | either kOpen, kClosed, kPeriodic |
[in] | create2D | true means that the Z-coordinates of the controlVertices will be ignored, giving a curve in the local XY plane |
[in] | createRational | true means curve being created will be rational |
[in] | parentOrOwner | the DAG parent or kNurbsCurveData the new curve will belong to |
[out] | ReturnStatus | Status code |
MObject createWithEditPoints | ( | const MPointArray & | editPoints, |
unsigned int | degree, | ||
Form | form, | ||
bool | create2D, | ||
bool | createRational, | ||
bool | uniformParam, | ||
MObject & | parentOrOwner = MObject::kNullObj , |
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MStatus * | ReturnStatus = NULL |
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) |
This method creates a nurbs curve from the given edit points and sets this function set to operate on the new curve.
The parentOrOwner argument is used to specify the owner of the new curve.
If the parentOrOwner is kNurbsCurveData then the created curve will be of type kNurbsCurveGeom and will be returned. The parentOrOwner will become the owner of the new curve.
If parentOrOwner is NULL then a new transform will be created and returned which will be the parent for the curve. The new transform will be added to the DAG.
If parentOrOwner is a DAG node then the new curve will be returned and the parentOrOwner will become its parent.
If the form specified is kClosed and the endpoints are not close then a new span will be created inorder to close the curve.
[in] | editPoints | an array of edit points |
[in] | degree | the degree to create the curve with |
[in] | form | either kOpen, kClosed, kPeriodic |
[in] | create2D | true means that the Z-coordinates of the controlVertices will be ignored, giving a curve in the local XY plane |
[in] | createRational | true means curve being created will be rational |
[in] | uniformParam | true means curve being created will have uniform parameterization, false means chord length |
[in] | parentOrOwner | the DAG parent or kNurbsCurveData the new curve will belong to |
[out] | ReturnStatus | Status code |
MObject create | ( | const MObjectArray & | sources, |
MObject & | parentOrOwner = MObject::kNullObj , |
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MStatus * | ReturnStatus = NULL |
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) |
This method creates a single curve that combines all the curves in the MObjectArray.
The method assumes the curves in the sources are good for building a single curve:
It is good enough to be C0 continouns (tangent breaks are okay).
[in] | sources | Input array of souce curves. |
[in] | parentOrOwner | the DAG parent or kNurbsCurveData the new curve will belong to |
[out] | ReturnStatus | Status code |
MObject copy | ( | const MObject & | source, |
MObject & | parentOrOwner = MObject::kNullObj , |
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MStatus * | ReturnStatus = NULL |
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) |
This method creates a copy of a nurbs curve.
The parentOrOwner argument is used to specify the owner of the new curve.
If the parentOrOwner is kNurbsCurveData then the created curve will be of type kNurbsCurveGeom and will be returned. The parentOrOwner will become the owner of the new curve.
If parentOrOwner is NULL then a new transform will be created and returned which will be the parent for the curve. The new transform will be added to the DAG.
If parentOrOwner is a DAG node then the new curve will be returned and the parentOrOwner will become its parent.
[in] | source | the curve to be copied |
[in] | parentOrOwner | the DAG parent or kNurbsCurveData the new curve will belong to |
[out] | ReturnStatus | Status code |
MStatus reverse | ( | bool | constructionHistory = false | ) |
This method reverse the curve direction.
[in] | constructionHistory | This parameter has no effect. Regardless of how it is set, if the function set was initialized with the DAG path of a curve node which already has history, then the reverse operation will be added into that history, otherwise the reverse operation will be applied directly to the curve's data and no history will be left behind. |
MStatus makeMultipleEndKnots | ( | ) |
This method gives end knots full multiplicity.
This ensures the end points of the curve interpolate the first and last CVs. It can also be used to convert a periodic curve to a closed curve.
Returns a CV as a component.
MItCurveCV can be used to examine or modify the returned CV.
Any modifications to the CV will affect the curve. After all modifications are done, updateCurve should be called to have the curve recalculate its cached geometry.
[out] | index | Index of the CV |
[out] | ReturnStatus | Status code |
MStatus getCV | ( | unsigned int | index, |
MPoint & | pt, | ||
MSpace::Space | space = MSpace::kObject |
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) | const |
Get the CV at the given index.
[in] | index | The index of the CV that will be retrieved |
[out] | pt | Storage for the CV |
[in] | space | Specifies the coordinate system for this operation |
MStatus setCV | ( | unsigned int | index, |
const MPoint & | pt, | ||
MSpace::Space | space = MSpace::kObject |
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) |
Set the CV at the given index to the given point.
The method updateCurve should be called to trigger changes in the curve.
[in] | index | The index of the CV that will be changed |
[in] | pt | The new value that the CV will take |
[in] | space | Specifies the coordinate system for this operation |
MFnNurbsCurve::Form form | ( | MStatus * | ReturnStatus = NULL | ) | const |
This method returns the form of the curve.
The curve can be open, closed, or periodic.
[out] | ReturnStatus | Status code |
int degree | ( | MStatus * | ReturnStatus = NULL | ) | const |
Return the degree of this curve.
If the degree cannot be determined then 0 is returned.
[out] | ReturnStatus | Status code |
int numCVs | ( | MStatus * | ReturnStatus = NULL | ) | const |
Return the number of CVs for this curve.
If the number of CVs cannot be determined then 0 is returned.
[out] | ReturnStatus | Status code |
int numSpans | ( | MStatus * | ReturnStatus = NULL | ) | const |
Return the number of spans for this curve.
If the number of spans cannot be determined then 0 is returned.
[out] | ReturnStatus | Status code |
int numKnots | ( | MStatus * | ReturnStatus = NULL | ) | const |
Return the number of knots for this curve.
If the number of knots cannot be determined then 0 is returned.
[out] | ReturnStatus | Status code |
MStatus getKnotDomain | ( | double & | start, |
double & | end | ||
) | const |
Return the range corresponding to the maximum and minimum parameter values for this curve.
[out] | start | storage for the max parameter value |
[out] | end | storage for the min parameter value |
MStatus getKnots | ( | MDoubleArray & | array | ) | const |
This method retrieves a copy of the knot array for this curve.
[out] | array | storage where the parameter values of the knots for this curve will be copied |
MStatus setKnots | ( | const MDoubleArray & | array, |
unsigned int | startIndex, | ||
unsigned int | endIndex | ||
) |
This method is used to set the values of a contiguous group of knots of the curve.
The range of knots to set is specified using the start and end index. The knots of index startIndex to endIndex inclusive will be set using the value in the double array.
Knot indices range from 0 to numKnots() - 1
[in] | array | a double array of knot points |
[in] | startIndex | the starting index of the knots to be altered. |
[in] | endIndex | the ending index of the knots to be altered. |
MStatus setKnot | ( | unsigned int | index, |
double | param | ||
) |
Set the given knot's parameter value.
Knot indices range from 0 to numKnots() - 1.
If a knot value is set that breaks the non-decreasing requirement for the knot array, the knot value will be changed and a kInvalidParameter error will be returned.
[in] | index | Index of the knot to be set |
[in] | param | The parameter value that the knot will take |
Returns a contiguous group of CVs as a component.
MItCurveCV can be used to examine or modify the returned CVs.
Any modifications to these CVs will affect the curve. After all modifications are done, updateCurve should be called to have the curve recalculate its cached geometry.
[in] | startIndex | the start index for the CVs to return |
[in] | endIndex | the end index for the CVs to return |
[out] | ReturnStatus | Status code |
MStatus getCVs | ( | MPointArray & | array, |
MSpace::Space | space = MSpace::kObject |
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) | const |
Get the positions of the CVs of this curve.
The returned group can be accessed via the MPointArray class. Any modifications to these CVs will not affect this curve. setCVs should be called to modify the original curve. updateCurve should be called to cause the curve to redraw itself.
[out] | array | The array of point values for the CVs |
[in] | space | Specifies the coordinate system for this operation |
MStatus setCVs | ( | const MPointArray & | array, |
MSpace::Space | space = MSpace::kObject |
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) |
Set the CVs for this curve to the given points.
[in] | array | The array of point values for the CVs |
[in] | space | Specifies the coordinate system for this operation |
double knot | ( | unsigned int | index, |
MStatus * | ReturnStatus = NULL |
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) | const |
Get the parameter value of the specified knot for this curve.
Knot indices range from 0 to numKnots() - 1
[in] | index | The knot index |
[out] | ReturnStatus | Status code |
MStatus removeKnot | ( | double | atThisParam, |
bool | removeAll = false |
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) |
Remove one or more knots at the given parameter.
If there are multiple knots at the given parameter then removeAll determines the number to be removed. If it is true then they will all be removed. If it is false then all but one will be removed.
[in] | atThisParam | Status code |
[in] | removeAll | How to handle multiple knots at the same param. |
bool isPointOnCurve | ( | const MPoint & | point, |
double | tolerance = kMFnNurbsEpsilon , |
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MSpace::Space | space = MSpace::kObject , |
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MStatus * | ReturnStatus = NULL |
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) | const |
Determines whether the given point is on this curve.
[in] | point | The point to test |
[in] | tolerance | The amount of error (epsilon value) in the calculation |
[in] | space | Specifies the coordinate system for this operation |
[out] | ReturnStatus | Status code |
MStatus getPointAtParam | ( | double | param, |
MPoint & | point, | ||
MSpace::Space | space = MSpace::kObject |
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) | const |
Returns the point in space that is at the given parameter value of the curve.
If the parameter value does not give a valid point on the curve, then MS::kInvalidParameter is returned.
[in] | param | The parameter value that we are examining |
[out] | point | Storage for the point being returned |
[in] | space | Specifies the coordinate system for this operation |
MStatus getParamAtPoint | ( | const MPoint & | atThisPoint, |
double & | param, | ||
MSpace::Space | space = MSpace::kObject |
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) | const |
This method retrieves the parameter value corresponding to the given point on the curve.
[in] | atThisPoint | Point to check |
[out] | param | storage for the parameter value |
[in] | space | Specifies the coordinate system for this operation |
MStatus getParamAtPoint | ( | const MPoint & | atThisPoint, |
double & | param, | ||
double | tolerance, | ||
MSpace::Space | space = MSpace::kObject |
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) | const |
This method retrieves the parameter value corresponding to the given point on the curve.
[in] | atThisPoint | Point to check |
[out] | param | storage for the parameter value |
[in] | tolerance | tolerance used for operation |
[in] | space | Specifies the coordinate system for this operation |
bool isParamOnCurve | ( | double | param, |
MStatus * | ReturnStatus = NULL |
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) | const |
Determines whether the specified parameter value is within the bounds of the knot vector of this curve.
[in] | param | The parameter value to check |
[out] | ReturnStatus | Status code |
MVector normal | ( | double | param, |
MSpace::Space | space = MSpace::kObject , |
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MStatus * | ReturnStatus = NULL |
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) | const |
This method returns the normal at the given parameter value on the curve.
For degree 1 curves the normal is the vector at right angles to the curve that lies in the average plane of the curve. For higher degrees the normal is defined by the local curvature at param.
[in] | param | The parameter of the point on the curve from which to get the normal |
[in] | space | Specifies the coordinate system for this operation |
[out] | ReturnStatus | Status code |
MVector tangent | ( | double | param, |
MSpace::Space | space = MSpace::kObject , |
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MStatus * | ReturnStatus = NULL |
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) | const |
This method returns the tangent at the given parameter value on the curve.
The resulting tangent vector is normalized.
[in] | param | The parameter of the point on the curve from which to get the tangent |
[in] | space | Specifies the coordinate system for this operation |
[out] | ReturnStatus | Status code |
MStatus getDerivativesAtParm | ( | double | param, |
MPoint & | pos, | ||
MVector & | dU, | ||
MSpace::Space | space, | ||
MVector * | dUU = NULL |
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) | const |
Evaluate the curve at the given parameter returning the position, first derivative and optionally the second derivative.
Derivatives are not normalized.
[in] | param | U parameter value to evaluate |
[out] | pos | Storage for the XYZ position of the curve |
[out] | dU | Storage for the first order partial derivative with respect to u |
[in] | space | Coordinate space for the returned vectors |
[out] | dUU | Pointer to storage for the second order partial derivative with respect to u |
This method determines if this curve is a planar curve.
If planeNormal is non-NULL then the normal to the plane containing this curve is returned in this location.
[in] | planeNormal | Normal to the plane containing this curve |
[out] | ReturnStatus | Status code |
MPoint closestPoint | ( | const MPoint & | toThisPoint, |
double * | param = NULL , |
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double | tolerance = kMFnNurbsEpsilon , |
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MSpace::Space | space = MSpace::kObject , |
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MStatus * | ReturnStatus = NULL |
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) | const |
This method determines the closest point on the curve to the given point.
[in] | toThisPoint | The point to test |
[in] | param | If non-null, on successful returns this will contain the parameter value of the returned point. |
[in] | tolerance | The amount of error (epsilon value) to allow in the calculation |
[in] | space | Specifies the coordinate system for this operation |
[out] | ReturnStatus | Status code |
MPoint closestPoint | ( | const MPoint & | toThisPoint, |
bool | paramAsGuess, | ||
double * | param = NULL , |
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double | tolerance = kMFnNurbsEpsilon , |
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MSpace::Space | space = MSpace::kObject , |
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MStatus * | ReturnStatus = NULL |
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) | const |
This method determines the closest point on the curve to the given point.
Performance can be greatly increased by supplying a starting parameter value that is reasonably close to the final point.
[in] | toThisPoint | The point to test |
[in] | paramAsGuess | If true use the incoming 'param' value as a guess as to the location of the closest point. If the closest point lies within the same span as the guess then this can greatly speed up the search. If not then the search may be slowed a bit. |
[in,out] | param | pointer to a double. If non-null, on successful returns this will contain the parameter value of the returned point. |
[in] | tolerance | The amount of error (epsilon value) in the calculation |
[in] | space | Specifies the coordinate system for this operation |
[out] | ReturnStatus | Status code |
double distanceToPoint | ( | const MPoint & | pt, |
MSpace::Space | space = MSpace::kObject , |
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MStatus * | ReturnStatus = NULL |
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) | const |
Returns the distance from the given point to the point on the curve which is closest to it.
[in] | pt | The point to calculate the distance to |
[in] | space | Specifies the coordinate system for this operation |
[out] | ReturnStatus | Status code |
double area | ( | double | tolerance = kMFnNurbsEpsilon , |
MStatus * | ReturnStatus = NULL |
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) | const |
This method returns the area bounded by this curve.
The curve must be closed and planar.
A value of 0.0 will be returned if area cannot be determined.
[in] | tolerance | The amount of error (epsilon value) in the calculation |
[out] | ReturnStatus | Status code |
double length | ( | double | tolerance = kMFnNurbsEpsilon , |
MStatus * | ReturnStatus = NULL |
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) | const |
Return the arc length of this curve or 0.0 if it cannot be computed.
[in] | tolerance | The amount of error (epsilon value) in the calculation |
[out] | ReturnStatus | Status code |
double findParamFromLength | ( | double | partLength, |
MStatus * | ReturnStatus = NULL |
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) | const |
Returns the parameter value corresponding to a given length along the curve.
If the parameter value cannot be found for the given length then ReturnStatus is set to kInvalidParameter and the parameter for the end point of the curve is returned.
[in] | partLength | Length along the curve to find parameter value at |
[out] | ReturnStatus | Status code |
double findParamFromLength | ( | double | partLength, |
double | tolerance, | ||
MStatus * | ReturnStatus = NULL |
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) | const |
Returns the parameter value corresponding to a given length along the curve with the given tolerance.
If the parameter value cannot be found for the given length then ReturnStatus is set to kInvalidParameter and the parameter for the end point of the curve is returned.
Note: The default tolerance for findParamFromLength is 1.0e-6 and would only need to be changed when working at extremely large or small scales.
[in] | partLength | Length along the curve to find parameter value at |
[in] | tolerance | The search tolerance |
[out] | ReturnStatus | Status code |
double findLengthFromParam | ( | double | param, |
MStatus * | ReturnStatus = NULL |
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) | const |
Returns the length along the curve corresponding to a given parameter value on the curve.
If the length cannot be found for the given parameter value then ReturnStatus is set to kInvalidParameter and a length of zero is returned.
[in] | param | Parameter value on the curve |
[out] | ReturnStatus | Status code |
bool hasHistoryOnCreate | ( | MStatus * | ReturnStatus = NULL | ) | const |
This method determines if the shape was created with history.
If the object that this function set is attached to is not a shape then this method will fail.
[out] | ReturnStatus |
MStatus updateCurve | ( | ) |
This method signals that this curve has changed and needs to be recalculated.
This method is useful when a large number of CVs for the curve are being modified. Instead of updating the curve every time a CV is changed it is more efficient to call this method once after updating all of the CVs.
MObject rebuild | ( | unsigned int | spans, |
unsigned int | degree = 3 , |
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unsigned int | keepRange = 1 , |
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unsigned int | endKnots = 0 , |
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bool | keepEndPoints = true , |
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bool | keepTangents = true , |
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bool | keepControlPoints = false , |
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float | tolerance = 0.01f , |
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MStatus * | ReturnStatus = NULL |
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) | const |
This method rebuilds a new curve based on the current curve and parameters.
This method does not change current curve, but put the newly rebuilt curve data inside a MFnNurbsCurveData and then return it back.
This method is useful when you want to use Maya native algorithm to do nurbs curve rebuilding.
It uses same algorithm and similar controls as command 'rebuildCurve'.
[in] | spans | The number of spans in resulting curve |
[in] | degree | The degree of the resulting curve 1 - linear, 2 - quadratic, 3 - cubic, 5 - quintic, 7 - heptic |
[in] | keepRange | Determine the parameterization for the resulting curve. 0 - reparameterize the resulting curve from 0 to 1, 1 - keep the original curve parameterization, 2 - reparameterize the result from 0 to number of spans |
[in] | endKnots | End conditions for the curve 0 - uniform end knots, 1 - multiple end knots |
[in] | keepEndPoints | If true, keep the endpoints the same |
[in] | keepTangents | If true, keep the end tangents the same |
[in] | keepControlPoints | If true, the CVs will remain the same. |
[in] | tolerance | The tolerance with which to rebuild |
[out] | ReturnStatus | Status code |