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. 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:
| 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
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:
| 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 |
Returns: boolean
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 |