gov.nasa.worldwindx.examples

Class GeoJSONLoader

java.lang.Object

gov.nasa.worldwindx.examples.GeoJSONLoader

public class GeoJSONLoader
extends Object

Utility class to load data from a GeoJSON source into a layer.

Field Summary

Fields

Modifier and Type	Field and Description
protected static RandomShapeAttributes	randomAttrs

Constructor Summary

Constructors

Constructor and Description
GeoJSONLoader() Create a new loader.

Method Summary

Modifier and Type	Method and Description
void	addGeoJSONGeometryToLayer(gov.nasa.worldwind.formats.geojson.GeoJSONObject object, RenderableLayer layer) Create a layer from a GeoJSON document.
protected void	addRenderableForFeature(gov.nasa.worldwind.formats.geojson.GeoJSONFeature feature, RenderableLayer layer)
protected void	addRenderableForFeatureCollection(gov.nasa.worldwind.formats.geojson.GeoJSONFeatureCollection c, RenderableLayer layer)
protected void	addRenderableForGeometry(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom, RenderableLayer layer, AVList properties)
protected void	addRenderableForGeometryCollection(gov.nasa.worldwind.formats.geojson.GeoJSONGeometryCollection c, RenderableLayer layer, AVList properties)
protected void	addRenderableForLineString(gov.nasa.worldwind.formats.geojson.GeoJSONLineString geom, RenderableLayer layer, AVList properties)
protected void	addRenderableForMultiPoint(gov.nasa.worldwind.formats.geojson.GeoJSONMultiPoint geom, RenderableLayer layer, AVList properties)
protected void	addRenderableForMultiPolygon(gov.nasa.worldwind.formats.geojson.GeoJSONMultiPolygon geom, RenderableLayer layer, AVList properties)
protected void	addRenderableForMutiLineString(gov.nasa.worldwind.formats.geojson.GeoJSONMultiLineString geom, RenderableLayer layer, AVList properties)
protected void	addRenderableForPoint(gov.nasa.worldwind.formats.geojson.GeoJSONPoint geom, RenderableLayer layer, AVList properties)
protected void	addRenderableForPolygon(gov.nasa.worldwind.formats.geojson.GeoJSONPolygon geom, RenderableLayer layer, AVList properties)
void	addSourceGeometryToLayer(Object docSource, RenderableLayer layer) Parse a GeoJSON document and add it to a layer.
Layer	createLayerFromGeoJSON(gov.nasa.worldwind.formats.geojson.GeoJSONObject object) Create a layer from a GeoJSON object.
Layer	createLayerFromSource(Object docSource) Create a layer from a GeoJSON document.
protected Renderable	createPoint(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry owner, Position pos, PointPlacemarkAttributes attrs, AVList properties)
protected PointPlacemarkAttributes	createPointAttributes(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom, Layer layer)
protected Renderable	createPolygon(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry owner, Iterable<? extends Position> outerBoundary, Iterable<? extends Position>[] innerBoundaries, ShapeAttributes attrs, AVList properties)
protected ShapeAttributes	createPolygonAttributes(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom, Layer layer)
protected Renderable	createPolyline(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry owner, Iterable<? extends Position> positions, ShapeAttributes attrs, AVList properties)
protected ShapeAttributes	createPolylineAttributes(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom, Layer layer)
protected void	handleUnrecognizedObject(Object o)
protected static boolean	positionsHaveNonzeroAltitude(Iterable<? extends Position> positions)

Methods inherited from class java.lang.Object

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

Field Detail

randomAttrs

protected static final RandomShapeAttributes randomAttrs

Constructor Detail

GeoJSONLoader

public GeoJSONLoader()

Create a new loader.

Method Detail

addGeoJSONGeometryToLayer

public void addGeoJSONGeometryToLayer(gov.nasa.worldwind.formats.geojson.GeoJSONObject object,
                                      RenderableLayer layer)

Create a layer from a GeoJSON document.

Parameters:

object - GeoJSON object to be added to the layer.

layer - layer to receive the new GeoJSON renderable.

addRenderableForFeature

protected void addRenderableForFeature(gov.nasa.worldwind.formats.geojson.GeoJSONFeature feature,
                                       RenderableLayer layer)

addRenderableForFeatureCollection

protected void addRenderableForFeatureCollection(gov.nasa.worldwind.formats.geojson.GeoJSONFeatureCollection c,
                                                 RenderableLayer layer)

addRenderableForGeometry

protected void addRenderableForGeometry(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom,
                                        RenderableLayer layer,
                                        AVList properties)

addRenderableForGeometryCollection

protected void addRenderableForGeometryCollection(gov.nasa.worldwind.formats.geojson.GeoJSONGeometryCollection c,
                                                  RenderableLayer layer,
                                                  AVList properties)

addRenderableForLineString

protected void addRenderableForLineString(gov.nasa.worldwind.formats.geojson.GeoJSONLineString geom,
                                          RenderableLayer layer,
                                          AVList properties)

addRenderableForMultiPoint

protected void addRenderableForMultiPoint(gov.nasa.worldwind.formats.geojson.GeoJSONMultiPoint geom,
                                          RenderableLayer layer,
                                          AVList properties)

addRenderableForMultiPolygon

protected void addRenderableForMultiPolygon(gov.nasa.worldwind.formats.geojson.GeoJSONMultiPolygon geom,
                                            RenderableLayer layer,
                                            AVList properties)

addRenderableForMutiLineString

protected void addRenderableForMutiLineString(gov.nasa.worldwind.formats.geojson.GeoJSONMultiLineString geom,
                                              RenderableLayer layer,
                                              AVList properties)

addRenderableForPoint

protected void addRenderableForPoint(gov.nasa.worldwind.formats.geojson.GeoJSONPoint geom,
                                     RenderableLayer layer,
                                     AVList properties)

addRenderableForPolygon

protected void addRenderableForPolygon(gov.nasa.worldwind.formats.geojson.GeoJSONPolygon geom,
                                       RenderableLayer layer,
                                       AVList properties)

addSourceGeometryToLayer

public void addSourceGeometryToLayer(Object docSource,
                                     RenderableLayer layer)

Parse a GeoJSON document and add it to a layer.

Parameters:

docSource - GeoJSON document. May be a file path String, File, URL, or URI.

layer - layer to receive the new Renderable.

createLayerFromGeoJSON

public Layer createLayerFromGeoJSON(gov.nasa.worldwind.formats.geojson.GeoJSONObject object)

Create a layer from a GeoJSON object.

Parameters:

object - GeoJSON object to use to create a Renderable, which will be added to the new layer.

Returns:

the new layer.

createLayerFromSource

public Layer createLayerFromSource(Object docSource)

Create a layer from a GeoJSON document.

Parameters:

docSource - GeoJSON document. May be a file path String, File, URL, or URI.

Returns:

the new layer.

createPoint

protected Renderable createPoint(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry owner,
                                 Position pos,
                                 PointPlacemarkAttributes attrs,
                                 AVList properties)

createPointAttributes

protected PointPlacemarkAttributes createPointAttributes(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom,
                                                         Layer layer)

createPolygon

protected Renderable createPolygon(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry owner,
                                   Iterable<? extends Position> outerBoundary,
                                   Iterable<? extends Position>[] innerBoundaries,
                                   ShapeAttributes attrs,
                                   AVList properties)

createPolygonAttributes

protected ShapeAttributes createPolygonAttributes(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom,
                                                  Layer layer)

createPolyline

protected Renderable createPolyline(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry owner,
                                    Iterable<? extends Position> positions,
                                    ShapeAttributes attrs,
                                    AVList properties)

createPolylineAttributes

protected ShapeAttributes createPolylineAttributes(gov.nasa.worldwind.formats.geojson.GeoJSONGeometry geom,
                                                   Layer layer)

handleUnrecognizedObject

protected void handleUnrecognizedObject(Object o)

positionsHaveNonzeroAltitude

protected static boolean positionsHaveNonzeroAltitude(Iterable<? extends Position> positions)