NurbsCurve
Inheritance: java.lang.Object, com.aspose.threed.A3DObject, com.aspose.threed.SceneObject, com.aspose.threed.Entity, com.aspose.threed.Curve
public class NurbsCurve extends Curve
NURBS curve is a curve represented by NURBS(Non-uniform rational basis spline), A NURBS curve is defined by its getOrder, a set of weighted Geometry.getControlPoints and a getKnotVectors The w component in control point is used as control point’s weight, whatever it is a CurveDimension.TWO_DIMENSIONAL or CurveDimension.THREE_DIMENSIONAL
Constructors
| Constructor | Description |
|---|---|
| NurbsCurve() | Initializes a new instance of the NurbsCurve class. |
| NurbsCurve(String name) | Initializes a new instance of the NurbsCurve class. |
Methods
| Method | Description |
|---|---|
| equals(Object arg0) | |
| evaluate() | Evaluate the NURBS curve |
| evaluate(int steps) | Evaluate the NURBS curve |
| evaluateAt(double u) | Evaluate the curve’s point at specified position |
| findProperty(String propertyName) | Finds the property. |
| getBoundingBox() | Gets the bounding box of current entity in its object space coordinate system. |
| getClass() | |
| getColor() | Gets the color of the line, default value is white(1, 1, 1) |
| getControlPoints() | Gets all control points |
| getCurveType() | Gets the type of the curve. |
| getDimension() | Gets the curve’s dimension. |
| getEntityRendererKey() | Gets the key of the entity renderer registered in the renderer |
| getExcluded() | Gets whether to exclude this entity during exporting. |
| getKnotVectors() | Gets the knot vector, it is a sequence of parameter values that determines where and how the control points affect the NURBS curve. |
| getMultiplicity() | Gets the multiplicity. |
| getName() | Gets the name. |
| getOrder() | Gets the order of a NURBS curve, it defines the number of nearby control points that influence any given point on the curve. |
| getParentNode() | Gets the first parent node, if set the first parent node, this entity will be detached from other parent nodes. |
| getParentNodes() | Gets all parent nodes, an entity can be attached to multiple parent nodes for geometry instancing |
| getProperties() | Gets the collection of all properties. |
| getProperty(String property) | Get the value of specified property |
| getRational() | Gets whether it is rational, this value indicates whether this NurbsCurve is rational spline or non-rational spline. |
| getScene() | Gets the scene that this object belongs to |
| hashCode() | |
| notify() | |
| notifyAll() | |
| removeProperty(Property property) | Removes a dynamic property. |
| removeProperty(String property) | Remove the specified property identified by name |
| setColor(Vector3 value) | Sets the color of the line, default value is white(1, 1, 1) |
| setCurveType(NurbsType value) | Sets the type of the curve. |
| setDimension(CurveDimension value) | Sets the curve’s dimension. |
| setExcluded(boolean value) | Sets whether to exclude this entity during exporting. |
| setName(String value) | Sets the name. |
| setOrder(int value) | Sets the order of a NURBS curve, it defines the number of nearby control points that influence any given point on the curve. |
| setParentNode(Node value) | Sets the first parent node, if set the first parent node, this entity will be detached from other parent nodes. |
| setProperty(String property, Object value) | Sets the value of specified property |
| setRational(boolean value) | Sets whether it is rational, this value indicates whether this NurbsCurve is rational spline or non-rational spline. |
| toString() | |
| wait() | |
| wait(long arg0) | |
| wait(long arg0, int arg1) |
NurbsCurve()
public NurbsCurve()
Initializes a new instance of the NurbsCurve class.
NurbsCurve(String name)
public NurbsCurve(String name)
Initializes a new instance of the NurbsCurve class.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| name | java.lang.String | Name |
equals(Object arg0)
public boolean equals(Object arg0)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | java.lang.Object |
Returns: boolean
evaluate()
public Vector4[] evaluate()
Evaluate the NURBS curve
Returns: com.aspose.threed.Vector4[] - Points in the curve
evaluate(int steps)
public Vector4[] evaluate(int steps)
Evaluate the NURBS curve
Parameters:
| Parameter | Type | Description |
|---|---|---|
| steps | int | The evaluation frequency between two neighbor knots, default value is 20 |
Returns: com.aspose.threed.Vector4[] - Points in the curve
evaluateAt(double u)
public Vector4 evaluateAt(double u)
Evaluate the curve’s point at specified position
Parameters:
| Parameter | Type | Description |
|---|---|---|
| u | double | The position in the curve, between 0 and 1 |
Returns: Vector4
findProperty(String propertyName)
public Property findProperty(String propertyName)
Finds the property. It can be a dynamic property (Created by CreateDynamicProperty/SetProperty) or native property(Identified by its name)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| propertyName | java.lang.String | Property name. |
Returns: Property - The property.
getBoundingBox()
public BoundingBox getBoundingBox()
Gets the bounding box of current entity in its object space coordinate system.
Returns: BoundingBox - the bounding box of current entity in its object space coordinate system. Example: The following code shows how to calculate the bounding box of a shape
Entity entity = new Sphere();
entity.setRadius(10);
var bbox = entity.getBoundingBox();
System.out.printf("The bounding box of the entity is %s ~ %s", bbox.getMinimum(), bbox.getMaximum());
getClass()
public final native Class<?> getClass()
Returns: java.lang.Class
getColor()
public Vector3 getColor()
Gets the color of the line, default value is white(1, 1, 1)
Returns: Vector3 - the color of the line, default value is white(1, 1, 1)
getControlPoints()
public List<Vector4> getControlPoints()
Gets all control points
Returns: java.util.List<com.aspose.threed.Vector4> - all control points
getCurveType()
public NurbsType getCurveType()
Gets the type of the curve.
Returns: NurbsType - the type of the curve.
getDimension()
public CurveDimension getDimension()
Gets the curve’s dimension.
Returns: CurveDimension - the curve’s dimension. Remarks: For a CurveDimension.TWO_DIMENSIONAL curve, the z component in control point is unused.
getEntityRendererKey()
public EntityRendererKey getEntityRendererKey()
Gets the key of the entity renderer registered in the renderer
Returns: EntityRendererKey
getExcluded()
public boolean getExcluded()
Gets whether to exclude this entity during exporting.
Returns: boolean - whether to exclude this entity during exporting.
getKnotVectors()
public List<Double> getKnotVectors()
Gets the knot vector, it is a sequence of parameter values that determines where and how the control points affect the NURBS curve.
Returns: java.util.List<java.lang.Double> - the knot vector, it is a sequence of parameter values that determines where and how the control points affect the NURBS curve.
getMultiplicity()
public List<Integer> getMultiplicity()
Gets the multiplicity.
Returns: java.util.List<java.lang.Integer> - the multiplicity.
getName()
public String getName()
Gets the name.
Returns: java.lang.String - the name.
getOrder()
public int getOrder()
Gets the order of a NURBS curve, it defines the number of nearby control points that influence any given point on the curve.
Returns: int - the order of a NURBS curve, it defines the number of nearby control points that influence any given point on the curve.
getParentNode()
public Node getParentNode()
Gets the first parent node, if set the first parent node, this entity will be detached from other parent nodes.
Returns: Node - the first parent node, if set the first parent node, this entity will be detached from other parent nodes.
getParentNodes()
public ArrayList<Node> getParentNodes()
Gets all parent nodes, an entity can be attached to multiple parent nodes for geometry instancing
Returns: java.util.ArrayList<com.aspose.threed.Node> - all parent nodes, an entity can be attached to multiple parent nodes for geometry instancing
getProperties()
public PropertyCollection getProperties()
Gets the collection of all properties.
Returns: PropertyCollection - the collection of all properties.
getProperty(String property)
public Object getProperty(String property)
Get the value of specified property
Parameters:
| Parameter | Type | Description |
|---|---|---|
| property | java.lang.String | Property name |
Returns: java.lang.Object - The value of the found property
getRational()
public boolean getRational()
Gets whether it is rational, this value indicates whether this NurbsCurve is rational spline or non-rational spline. Non-rational B-spline is a special case of rational B-splines.
Returns: boolean - whether it is rational, this value indicates whether this NurbsCurve is rational spline or non-rational spline. Non-rational B-spline is a special case of rational B-splines.
getScene()
public Scene getScene()
Gets the scene that this object belongs to
Returns: Scene - the scene that this object belongs to
hashCode()
public native int hashCode()
Returns: int
notify()
public final native void notify()
notifyAll()
public final native void notifyAll()
removeProperty(Property property)
public boolean removeProperty(Property property)
Removes a dynamic property.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| property | Property | Which property to remove |
Returns: boolean - true if the property is successfully removed
removeProperty(String property)
public boolean removeProperty(String property)
Remove the specified property identified by name
Parameters:
| Parameter | Type | Description |
|---|---|---|
| property | java.lang.String | Which property to remove |
Returns: boolean - true if the property is successfully removed
setColor(Vector3 value)
public void setColor(Vector3 value)
Sets the color of the line, default value is white(1, 1, 1)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | Vector3 | New value |
setCurveType(NurbsType value)
public void setCurveType(NurbsType value)
Sets the type of the curve.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | NurbsType | New value |
setDimension(CurveDimension value)
public void setDimension(CurveDimension value)
Sets the curve’s dimension.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | CurveDimension | New value Remarks: For a CurveDimension.TWO_DIMENSIONAL curve, the z component in control point is unused. |
setExcluded(boolean value)
public void setExcluded(boolean value)
Sets whether to exclude this entity during exporting.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | boolean | New value |
setName(String value)
public void setName(String value)
Sets the name.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | java.lang.String | New value |
setOrder(int value)
public void setOrder(int value)
Sets the order of a NURBS curve, it defines the number of nearby control points that influence any given point on the curve.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | int | New value |
setParentNode(Node value)
public void setParentNode(Node value)
Sets the first parent node, if set the first parent node, this entity will be detached from other parent nodes.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | Node | New value |
setProperty(String property, Object value)
public void setProperty(String property, Object value)
Sets the value of specified property
Parameters:
| Parameter | Type | Description |
|---|---|---|
| property | java.lang.String | Property name |
| value | java.lang.Object | The value of the property |
setRational(boolean value)
public void setRational(boolean value)
Sets whether it is rational, this value indicates whether this NurbsCurve is rational spline or non-rational spline. Non-rational B-spline is a special case of rational B-splines.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| value | boolean | New value |
toString()
public String toString()
Returns: java.lang.String
wait()
public final void wait()
wait(long arg0)
public final void wait(long arg0)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | long |
wait(long arg0, int arg1)
public final void wait(long arg0, int arg1)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | long | |
| arg1 | int |