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JMSLTM Numerical Library 4.0 | ||||||||
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java.lang.Object com.imsl.chart.AbstractChartNode com.imsl.chart3d.ChartNode3D com.imsl.chart3d.DirectionalLight
A directional light.
A directional light is an oriented light with an origin at infinity. The direction is defined by the attribute "Direction".
The light's position is in a coordinate system in which the default viewport is the cube [-1,1] by [-1,1] by [-1,1].
Field Summary | |
static long |
serialVersionUID
|
Fields inherited from class com.imsl.chart3d.ChartNode3D |
AXIS_TITLE_AT_END, AXIS_TITLE_PARALLEL, DATA_TYPE_LINE, DATA_TYPE_MARKER, DATA_TYPE_PICTURE, DATA_TYPE_TUBE, MARKER_TYPE_CUBE, MARKER_TYPE_CUSTOM, MARKER_TYPE_PLUS, MARKER_TYPE_SIMPLE_CUBE, MARKER_TYPE_SIMPLE_PLUS, MARKER_TYPE_SIMPLE_TETRAHEDRON, MARKER_TYPE_SPHERE, MARKER_TYPE_TETRAHEDRON |
Fields inherited from class com.imsl.chart.AbstractChartNode |
AUTOSCALE_DATA, AUTOSCALE_DENSITY, AUTOSCALE_NUMBER, AUTOSCALE_OFF, AUTOSCALE_WINDOW, AXIS_X, AXIS_Y, AXIS_Z, LABEL_TYPE_NONE, LABEL_TYPE_TITLE, LABEL_TYPE_X, LABEL_TYPE_Y, LABEL_TYPE_Z, TRANSFORM_CUSTOM, TRANSFORM_LINEAR, TRANSFORM_LOG |
Constructor Summary | |
DirectionalLight(Chart3D parent)
Creates a directional light pointing in the negative z direction. |
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DirectionalLight(Chart3D parent,
double x,
double y,
double z)
Creates a directional light pointing with a specified direction. |
Method Summary | |
protected void |
addToSceneGraph(Group parent)
Called to add this object to the scene graph. |
Vector3f |
getDirection()
Returns the value of the "Direction" attribute. |
void |
setDirection(double x,
double y,
double z)
Sets the value of the "Direction" attribute to a light direction. |
void |
setDirection(Vector3f direction)
Sets the value of the "Direction" attribute to a light direction. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
public static final long serialVersionUID
Constructor Detail |
public DirectionalLight(Chart3D parent)
parent
- is the Chart3D
parent of this node.public DirectionalLight(Chart3D parent, double x, double y, double z)
parent
- is the Chart3D
parent of this node.x
- is the x-component of the direction vector.y
- is the y-component of the direction vector.z
- is the z-component of the direction vector.Method Detail |
protected void addToSceneGraph(Group parent)
ChartNode3D
addToSceneGraph
in class ChartNode3D
parent
- is the node in the scene graph at which this
object is to be added.public Vector3f getDirection()
Vector3f
value of the "Direction" attribute, if defined.
Otherwise, (0, 0, -1) is returned.public void setDirection(double x, double y, double z)
x
- is the x-component of the direction vector.y
- is the y-component of the direction vector.z
- is the z-component of the direction vector.public void setDirection(Vector3f direction)
direction
- Vector3f
direction.
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