gov.nasa.worldwind.render.airspaces

Class Curtain

java.lang.Object

gov.nasa.worldwind.avlist.AVListImpl

gov.nasa.worldwind.WWObjectImpl

gov.nasa.worldwind.render.airspaces.AbstractAirspace

gov.nasa.worldwind.render.airspaces.Curtain

All Implemented Interfaces:

AVList, Draggable, MessageListener, ExtentHolder, Movable, Movable2, Airspace, Attributable, Highlightable, OrderedRenderable, PreRenderable, Renderable, Restorable, WWObject, PropertyChangeListener, EventListener

public class Curtain
extends AbstractAirspace

A curtain is a series of adjacent rectangular planes. The upper edges of the planes are the connecting line segments between the vertices of a polyline. The lower edges of the planes are parallel to the upper edges at a specified altitude.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	Curtain.CurtainGeometry
protected static class	Curtain.SectionRenderInfo

Nested classes/interfaces inherited from class gov.nasa.worldwind.render.airspaces.AbstractAirspace

AbstractAirspace.AirspaceInfo

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	applyPositionAltitude
protected List<LatLon>	locations
protected String	pathType
protected double	splitThreshold

Fields inherited from class gov.nasa.worldwind.render.airspaces.AbstractAirspace

activeAttributes, airspaceInfo, alwaysOnTop, ARC_SLICES, attributes, currentInfo, DEFAULT_HIGHLIGHT_MATERIAL, DEFAULT_INTERIOR_MATERIAL, DEFAULT_OUTLINE_MATERIAL, DEFAULT_OUTLINE_PICK_WIDTH, defaultAttributes, delegateOwner, detailLevels, DISABLE_TERRAIN_CONFORMANCE, dragEnabled, draggableSupport, drawSurfaceShape, elevationMap, enableBatchPicking, enableBatchRendering, enableDepthOffset, enableLevelOfDetail, EXPIRY_TIME, expiryTime, frameTimeStamp, GEOMETRY_CACHE_KEY, GEOMETRY_CACHE_NAME, geometryBuilder, GLOBE_KEY, groundReference, highlightAttributes, highlighted, LENGTH_SLICES, LOOPS, lowerAltitude, lowerAltitudeDatum, lowerTerrainConforming, maxExpiryTime, minExpiryTime, mustRegenerateSurfaceShape, outlinePickWidth, outlineShapeRenderer, pickLayer, pickSupport, PILLARS, rand, SLICES, SPLIT_THRESHOLD, STACKS, SUBDIVISIONS, surfaceShape, upperAltitude, upperAltitudeDatum, upperTerrainConforming, VERTICAL_EXAGGERATION, visible

Fields inherited from interface gov.nasa.worldwind.render.airspaces.Airspace

DRAW_STYLE_FILL, DRAW_STYLE_OUTLINE

Constructor Summary

Constructors

Constructor and Description
Curtain()
Curtain(AirspaceAttributes attributes)
Curtain(Curtain source)
Curtain(Iterable<? extends LatLon> locations)

Method Summary

Modifier and Type	Method and Description
protected void	addLocations(Iterable<? extends LatLon> newLocations)
protected Extent	computeExtent(Globe globe, double verticalExaggeration)
protected List<Vec4>	computeMinimalGeometry(Globe globe, double verticalExaggeration)
protected Vec4	computeReferenceCenter(DrawContext dc)
protected SurfaceShape	createSurfaceShape() Returns a SurfaceShape that corresponds to this Airspace and is used for drawing on 2D globes.
protected void	doGetRestorableState(RestorableSupport rs, RestorableSupport.StateObject context)
protected void	doMoveTo(Globe globe, Position oldRef, Position newRef)
protected void	doMoveTo(Position oldRef, Position newRef)
protected void	doRenderGeometry(DrawContext dc, String drawStyle)
protected void	doRestoreState(RestorableSupport rs, RestorableSupport.StateObject context)
protected void	drawCurtainFill(DrawContext dc, int count, LatLon[] locations, String pathType, double splitThreshold, double[] altitudes, boolean[] terrainConformant, Vec4 referenceCenter)
protected void	drawCurtainOutline(DrawContext dc, int count, LatLon[] locations, String pathType, double splitThreshold, double[] altitudes, boolean[] terrainConformant, Vec4 referenceCenter)
protected Curtain.CurtainGeometry	getCurtainGeometry(DrawContext dc, int count, LatLon[] locations, String pathType, double splitThreshold, double[] altitudes, boolean[] terrainConformant, Vec4 referenceCenter)
Iterable<LatLon>	getLocations() Returns the curtain's locations.
String	getPathType()
Position	getReferencePosition() A position associated with the object that indicates its aggregate geographic position.
protected int	getSectionFillDrawMode()
protected int	getSectionFillIndexCount(int pillars)
protected int	getSectionOutlineDrawMode()
protected int	getSectionOutlineIndexCount(int pillars)
protected int	getSectionPillarCount(DrawContext dc, LatLon begin, LatLon end, String pathType, double splitThreshold)
protected int	getSectionVertexCount(int pillars)
protected double	getSplitThreshold()
boolean	isApplyPositionAltitude()
protected void	makeCurtainGeometry(DrawContext dc, int count, LatLon[] locations, String pathType, double splitThreshold, double[] altitudes, boolean[] terrainConformant, Vec4 referenceCenter, Curtain.CurtainGeometry dest)
protected void	makeDefaultDetailLevels()
protected void	makeSectionFillIndices(int pillars, int vertexPos, int indexPos, int[] dest)
protected void	makeSectionInfo(DrawContext dc, int count, LatLon[] locations, String pathType, double splitThreshold, Curtain.SectionRenderInfo[] ri, int[] counts)
protected void	makeSectionOutlineIndices(int pillars, int vertexPos, int indexPos, int[] dest)
protected void	makeSectionVertices(DrawContext dc, LatLon begin, LatLon end, String pathType, double[] altitude, boolean[] terrainConformant, int pillars, int vertexPos, float[] dest, Vec4 referenceCenter)
protected void	makeSegment(Globe globe, LatLon locA, LatLon locB, List<LatLon> tessellatedLocations)
protected void	makeTessellatedLocations(Globe globe, List<LatLon> tessellatedLocations)
protected void	regenerateSurfaceShape(DrawContext dc, SurfaceShape shape) Regenerates surface shape geometry prior to picking and rendering the 2D shape used to represent this Airspace on 2D globes.
void	setApplyPositionAltitude(boolean applyPositionAltitude)
void	setLocations(Iterable<? extends LatLon> locations) Sets the curtain's locations, in geographic coordinates.
void	setPathType(String pathType)
protected void	setSplitThreshold(double splitThreshold)
protected void	updateSurfaceShape(DrawContext dc, SurfaceShape shape) Sets surface shape parameters prior to picking and rendering the 2D shape used to represent this Airspace on 2D globes.

Methods inherited from class gov.nasa.worldwind.render.airspaces.AbstractAirspace

addDetailLevels, adjustForGroundReference, beginRendering, clearElevationMap, computeDetailLevel, computeElevationAt, computeExtent, computeEyeDistance, computeMinimalGeometry, computePointFromPosition, computeReferencePosition, createPickedObject, determineActiveAttributes, doDrag, doDrawOrderedRenderable, drag, drawBatched, drawGeometry, drawInterior, drawOrderedRenderable, drawOutline, endRendering, getActiveAttributes, getAirspaceInfo, getAltitudeDatum, getAltitudes, getAltitudes, getAttributes, getDelegateOwner, getDetailLevels, getDistanceFromEye, getExpiryRange, getExpiryTime, getExtent, getExtent, getGeometryBuilder, getGeometryCache, getGroundReference, getHighlightAttributes, getOutlinePickWidth, getRestorableState, invalidateAirspaceData, isAirspaceCollapsed, isAirspaceVisible, isAlwaysOnTop, isDragEnabled, isDrawSurfaceShape, isEnableBatchPicking, isEnableBatchRendering, isEnableDepthOffset, isEnableLevelOfDetail, isExpired, isHighlighted, isTerrainConforming, isVisible, makeExtremePoints, makeOrderedRenderable, move, moveTo, moveTo, mustDrawInterior, mustDrawOutline, nextExpiryTime, pick, preRender, render, restoreState, setAltitude, setAltitudeDatum, setAltitudes, setAlwaysOnTop, setAttributes, setAttributes, setDelegateOwner, setDetailLevels, setDragEnabled, setDrawSurfaceShape, setEnableBatchPicking, setEnableBatchRendering, setEnableDepthOffset, setEnableLevelOfDetail, setExpiryRange, setExpiryTime, setGeometryBuilder, setGroundReference, setHighlightAttributes, setHighlightAttributes, setHighlighted, setOutlinePickWidth, setTerrainConforming, setTerrainConforming, setVisible, updateExpiryCriteria

Methods inherited from class gov.nasa.worldwind.WWObjectImpl

onMessage, propertyChange

Methods inherited from class gov.nasa.worldwind.avlist.AVListImpl

addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getBooleanValue, getBooleanValue, getChangeSupport, getDoubleValue, getDoubleValue, getEntries, getIntegerValue, getIntegerValue, getLongValue, getLongValue, getRestorableStateForAVPair, getStringValue, getStringValue, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface gov.nasa.worldwind.avlist.AVList

addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getEntries, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Field Detail

applyPositionAltitude

protected boolean applyPositionAltitude

locations

protected List<LatLon> locations

pathType

protected String pathType

splitThreshold

protected double splitThreshold

Constructor Detail

Curtain

public Curtain()

Curtain

public Curtain(AirspaceAttributes attributes)

Curtain

public Curtain(Curtain source)

Curtain

public Curtain(Iterable<? extends LatLon> locations)

Method Detail

addLocations

protected void addLocations(Iterable<? extends LatLon> newLocations)

computeExtent

protected Extent computeExtent(Globe globe,
                               double verticalExaggeration)

Specified by:

computeExtent in class AbstractAirspace

computeMinimalGeometry

protected List<Vec4> computeMinimalGeometry(Globe globe,
                                            double verticalExaggeration)

Specified by:

computeMinimalGeometry in class AbstractAirspace

computeReferenceCenter

protected Vec4 computeReferenceCenter(DrawContext dc)

createSurfaceShape

protected SurfaceShape createSurfaceShape()

Description copied from class: AbstractAirspace

Returns a SurfaceShape that corresponds to this Airspace and is used for drawing on 2D globes.

Overrides:

createSurfaceShape in class AbstractAirspace

Returns:

The surface shape to represent this Airspace on a 2D globe.

doGetRestorableState

protected void doGetRestorableState(RestorableSupport rs,
                                    RestorableSupport.StateObject context)

Overrides:

doGetRestorableState in class AbstractAirspace

doMoveTo

protected void doMoveTo(Globe globe,
                        Position oldRef,
                        Position newRef)

Overrides:

doMoveTo in class AbstractAirspace

doMoveTo

protected void doMoveTo(Position oldRef,
                        Position newRef)

Overrides:

doMoveTo in class AbstractAirspace

doRenderGeometry

protected void doRenderGeometry(DrawContext dc,
                                String drawStyle)

Specified by:

doRenderGeometry in class AbstractAirspace

doRestoreState

protected void doRestoreState(RestorableSupport rs,
                              RestorableSupport.StateObject context)

Overrides:

doRestoreState in class AbstractAirspace

drawCurtainFill

protected void drawCurtainFill(DrawContext dc,
                               int count,
                               LatLon[] locations,
                               String pathType,
                               double splitThreshold,
                               double[] altitudes,
                               boolean[] terrainConformant,
                               Vec4 referenceCenter)

drawCurtainOutline

protected void drawCurtainOutline(DrawContext dc,
                                  int count,
                                  LatLon[] locations,
                                  String pathType,
                                  double splitThreshold,
                                  double[] altitudes,
                                  boolean[] terrainConformant,
                                  Vec4 referenceCenter)

getCurtainGeometry

protected Curtain.CurtainGeometry getCurtainGeometry(DrawContext dc,
                                                     int count,
                                                     LatLon[] locations,
                                                     String pathType,
                                                     double splitThreshold,
                                                     double[] altitudes,
                                                     boolean[] terrainConformant,
                                                     Vec4 referenceCenter)

getLocations

public Iterable<LatLon> getLocations()

Returns the curtain's locations.

Returns:

the curtain's locations in geographic coordinates.

getPathType

public String getPathType()

getReferencePosition

public Position getReferencePosition()

Description copied from interface: Movable

A position associated with the object that indicates its aggregate geographic position. The chosen position varies among implementers of this interface. For objects defined by a list of positions, the reference position is typically the first position in the list. For symmetric objects the reference position is often the center of the object. In many cases the object's reference position may be explicitly specified by the application.

Returns:

the object's reference position, or null if no reference position is available.

getSectionFillDrawMode

protected int getSectionFillDrawMode()

getSectionFillIndexCount

protected int getSectionFillIndexCount(int pillars)

getSectionOutlineDrawMode

protected int getSectionOutlineDrawMode()

getSectionOutlineIndexCount

protected int getSectionOutlineIndexCount(int pillars)

getSectionPillarCount

protected int getSectionPillarCount(DrawContext dc,
                                    LatLon begin,
                                    LatLon end,
                                    String pathType,
                                    double splitThreshold)

getSectionVertexCount

protected int getSectionVertexCount(int pillars)

getSplitThreshold

protected double getSplitThreshold()

isApplyPositionAltitude

public boolean isApplyPositionAltitude()

makeCurtainGeometry

protected void makeCurtainGeometry(DrawContext dc,
                                   int count,
                                   LatLon[] locations,
                                   String pathType,
                                   double splitThreshold,
                                   double[] altitudes,
                                   boolean[] terrainConformant,
                                   Vec4 referenceCenter,
                                   Curtain.CurtainGeometry dest)

makeDefaultDetailLevels

protected void makeDefaultDetailLevels()

makeSectionFillIndices

protected void makeSectionFillIndices(int pillars,
                                      int vertexPos,
                                      int indexPos,
                                      int[] dest)

makeSectionInfo

protected void makeSectionInfo(DrawContext dc,
                               int count,
                               LatLon[] locations,
                               String pathType,
                               double splitThreshold,
                               Curtain.SectionRenderInfo[] ri,
                               int[] counts)

makeSectionOutlineIndices

protected void makeSectionOutlineIndices(int pillars,
                                         int vertexPos,
                                         int indexPos,
                                         int[] dest)

makeSectionVertices

protected void makeSectionVertices(DrawContext dc,
                                   LatLon begin,
                                   LatLon end,
                                   String pathType,
                                   double[] altitude,
                                   boolean[] terrainConformant,
                                   int pillars,
                                   int vertexPos,
                                   float[] dest,
                                   Vec4 referenceCenter)

makeSegment

protected void makeSegment(Globe globe,
                           LatLon locA,
                           LatLon locB,
                           List<LatLon> tessellatedLocations)

makeTessellatedLocations

protected void makeTessellatedLocations(Globe globe,
                                        List<LatLon> tessellatedLocations)

regenerateSurfaceShape

protected void regenerateSurfaceShape(DrawContext dc,
                                      SurfaceShape shape)

Description copied from class: AbstractAirspace

Regenerates surface shape geometry prior to picking and rendering the 2D shape used to represent this Airspace on 2D globes.

Overrides:

regenerateSurfaceShape in class AbstractAirspace

Parameters:

dc - the current drawing context.

shape - the surface shape to regenerate.

setApplyPositionAltitude

public void setApplyPositionAltitude(boolean applyPositionAltitude)

setLocations

public void setLocations(Iterable<? extends LatLon> locations)

Sets the curtain's locations, in geographic coordinates.

Parameters:

locations - a list of geographic coordinates (latitude and longitude) specifying the upper edge of the shape.

Throws:

IllegalArgumentException - if the locations list is null or contains fewer than two points.

setPathType

public void setPathType(String pathType)

setSplitThreshold

protected void setSplitThreshold(double splitThreshold)

updateSurfaceShape

protected void updateSurfaceShape(DrawContext dc,
                                  SurfaceShape shape)

Description copied from class: AbstractAirspace

Sets surface shape parameters prior to picking and rendering the 2D shape used to represent this Airspace on 2D globes. Subclasses should override this method if they need to update more than the attributes and the delegate owner.

Overrides:

updateSurfaceShape in class AbstractAirspace

Parameters:

dc - the current drawing context.

shape - the surface shape to update.