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

ConstructorDescription
NurbsCurve()Initializes a new instance of the NurbsCurve class.
NurbsCurve(String name)Initializes a new instance of the NurbsCurve class.

Methods

MethodDescription
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:

ParameterTypeDescription
namejava.lang.StringName

equals(Object arg0)

public boolean equals(Object arg0)

Parameters:

ParameterTypeDescription
arg0java.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:

ParameterTypeDescription
stepsintThe 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:

ParameterTypeDescription
udoubleThe 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:

ParameterTypeDescription
propertyNamejava.lang.StringProperty name.

Returns: Property - The property.

getBoundingBox()

public BoundingBox getBoundingBox()

Gets 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());

Returns: BoundingBox

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

getControlPoints()

public List<Vector4> getControlPoints()

Gets all control points

Returns: java.util.List<com.aspose.threed.Vector4>

getCurveType()

public NurbsType getCurveType()

Gets the type of the curve.

Returns: NurbsType

getDimension()

public CurveDimension getDimension()

Gets the curve’s dimension. Remarks: For a CurveDimension.TWO_DIMENSIONAL curve, the z component in control point is unused.

Returns: CurveDimension

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

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>

getMultiplicity()

public List<Integer> getMultiplicity()

Gets the multiplicity.

Returns: java.util.List<java.lang.Integer>

getName()

public String getName()

Gets the name.

Returns: java.lang.String

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

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

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>

getProperties()

public PropertyCollection getProperties()

Gets the collection of all properties.

Returns: PropertyCollection

getProperty(String property)

public Object getProperty(String property)

Get the value of specified property

Parameters:

ParameterTypeDescription
propertyjava.lang.StringProperty 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

getScene()

public Scene getScene()

Gets the scene that this object belongs to

Returns: Scene

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:

ParameterTypeDescription
propertyPropertyWhich 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:

ParameterTypeDescription
propertyjava.lang.String

Returns: boolean

setColor(Vector3 value)

public void setColor(Vector3 value)

Sets the color of the line, default value is white(1, 1, 1)

Parameters:

ParameterTypeDescription
valueVector3New value

setCurveType(NurbsType value)

public void setCurveType(NurbsType value)

Sets the type of the curve.

Parameters:

ParameterTypeDescription
valueNurbsTypeNew value

setDimension(CurveDimension value)

public void setDimension(CurveDimension value)

Sets the curve’s dimension.

Parameters:

ParameterTypeDescription
valueCurveDimensionNew 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:

ParameterTypeDescription
valuebooleanNew value

setName(String value)

public void setName(String value)

Sets the name.

Parameters:

ParameterTypeDescription
valuejava.lang.StringNew 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:

ParameterTypeDescription
valueintNew 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:

ParameterTypeDescription
valueNodeNew value

setProperty(String property, Object value)

public void setProperty(String property, Object value)

Sets the value of specified property

Parameters:

ParameterTypeDescription
propertyjava.lang.StringProperty name
valuejava.lang.ObjectThe 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:

ParameterTypeDescription
valuebooleanNew value

toString()

public String toString()

Returns: java.lang.String

wait()

public final void wait()

wait(long arg0)

public final void wait(long arg0)

Parameters:

ParameterTypeDescription
arg0long

wait(long arg0, int arg1)

public final void wait(long arg0, int arg1)

Parameters:

ParameterTypeDescription
arg0long
arg1int