ilog.views.maps.format.svg
Class IlvSVGDataSource

java.lang.Object
  ilog.views.maps.datasource.IlvMapDataSource
      ilog.views.maps.datasource.IlvHierarchicalDataSource
          ilog.views.maps.format.IlvDefaultTilableDataSource
              ilog.views.maps.format.svg.IlvSVGDataSource

All Implemented Interfaces:

IlvPersistentObject

public class IlvSVGDataSource
extends IlvDefaultTilableDataSource

IlvSVGDataSource represents a data source used read SVG files.

Since:

JViews 8.1

Nested Class Summary

Nested classes/interfaces inherited from class ilog.views.maps.datasource.IlvHierarchicalDataSource

IlvHierarchicalDataSource.CriterionFilter, IlvHierarchicalDataSource.SingleAttributeFilter

Field Summary

Fields inherited from class ilog.views.maps.format.IlvDefaultTilableDataSource

GeometryClassInformation

Fields inherited from class ilog.views.maps.datasource.IlvHierarchicalDataSource

featureIterator, filename, nameMap, styleMap

Fields inherited from class ilog.views.maps.datasource.IlvMapDataSource

renderer, usingGeodeticComputation

Constructor Summary

IlvSVGDataSource(IlvInputStream stream)
Creates a new IlvSVGDataSource instance.

IlvSVGDataSource(String filename)
Constructs an IlvSVGDataSource instance from a file.

IlvSVGDataSource(URL url)
Constructs an IlvSVGDataSource instance from a file.

Method Summary

protected IlvDefaultFeatureFilter	createDefaultFilter() Creates, at construction time, the filter that will be used to separate features into layers.
protected IlvMapReusableFeatureIterator	createFeatureIterator(String fileName) Method used in IlvDefaultTilableDataSource.IlvDefaultTilableDataSource(String) constructor to build the data source reader.
protected IlvMapReusableFeatureIterator	createFeatureIterator(URL url) Method used in IlvDefaultTilableDataSource.IlvDefaultTilableDataSource(URL) constructor to build the data source reader.
protected IlvFeatureRenderer	createFeatureRenderer() Returns a renderer created for this datasource.
protected IlvMapRegionOfInterestIterator	createTiledIterator(IlvFeatureClassInformation featureValue, IlvGeometryClassFilter geometryClass) Creates an iterator that traverses the map features for a specific area of interest.
IlvFeatureRenderer	getFeatureRenderer(IlvMapFeature feature) Returns the appropriate feature renderer for an IlvMapFeature object.
protected IlvGeometryClassFilter[]	getGeometryClassFilters() By default, returns IlvDefaultTilableDataSource.GeometryClassInformation
protected void	initFeatureList() Specific initialization done when data source is created.
String	makeLayerName(String name, IlvGeometryClassFilter d) Creates a layer name from a feature name and a geometry class.
void	setDestinationBounds(double minX, double minY, double maxX, double maxY) Sets the bounds within which the SVG Reader should fit graphical objects.
void	setInternalTransformation(IlvMathTransform internalTransformation) Sets the internal transformation to use when reading the SVG file.
void	start() Starts this data source.
void	write(IlvOutputStream stream) Writes this IlvSVGDataSource instance to a stream.

Methods inherited from class ilog.views.maps.format.IlvDefaultTilableDataSource

acceptsCode, addLayer, createGenericTiles, createTiledLayers, getColumnCount, getFeatureFilterPropertyName, getFeatureName, getGeometryClassInformation, getLatMax, getLatMin, getLayerOrder, getLonMax, getLonMin, getMonitoringData, getRowCount, getURL, isMultiThreaded, isSourceDataAvailable, isUsingTiling, readInfo, reset, setAcceptedCodeList, setAreaOfinterest, setLayerOrder, setMonitoringData, setMultiThreaded, setTilingParameters, setupLayer, setupTiledLoaders, setURL

Methods inherited from class ilog.views.maps.datasource.IlvHierarchicalDataSource

addCriterionFilter, createInsertionLayer, getCriterionFilters, getFeatureIterator, getFeatureRenderer, getKey, getMapLayer, getStyle, isAcceptNullValues, removeAllCriterionFilters, removeCriterionFilter, setAcceptNullValues

Methods inherited from class ilog.views.maps.datasource.IlvMapDataSource

addDataSourceListener, callListeners, getBackupDataSources, getCoordinateSystem, getDescription, getInsertionLayer, getManager, getName, getNode, getValidExtentions, hasInsertionLayer, initBackupDataSource, initInsertionLayer, isAttachingAttributes, isSaveBackupDataSources, isUsingGeodeticComputation, mapIntersects, removeDataSourceListener, setAttachingAttributes, setCoordinateSystem, setDescription, setFeatureRenderer, setForceUsingBackupDataSource, setInsertionLayer, setManager, setName, setSaveBackupDataSources, setValidExtentions, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IlvSVGDataSource

public IlvSVGDataSource(IlvInputStream stream)
                 throws IlvReadFileException

Creates a new IlvSVGDataSource instance.

Parameters:

stream - The stream to read from.

Throws:

IlvReadFileException - if there is a problem reading from stream.

IlvSVGDataSource

public IlvSVGDataSource(String filename)
                 throws MalformedURLException

Constructs an IlvSVGDataSource instance from a file.

Parameters:

filename - The name of the SVG file to read from.

Throws:

MalformedURLException - if the path filename cannot be parsed as a URL.

IlvSVGDataSource

public IlvSVGDataSource(URL url)
                 throws IOException

Constructs an IlvSVGDataSource instance from a file.

Parameters:

url - The URL of the SVG file to read from.

Throws:

IOException - if there is a problem reading from url.

Method Detail

write

public void write(IlvOutputStream stream)
           throws IOException

Writes this IlvSVGDataSource instance to a stream.

Specified by:

write in interface IlvPersistentObject

Overrides:

write in class IlvDefaultTilableDataSource

Parameters:

stream - The output stream to write to.

Throws:

IOException - if there is a problem writing to stream.

See Also:

IlvMapDataSource.write(ilog.views.io.IlvOutputStream)

initFeatureList

protected void initFeatureList()

Specific initialization done when data source is created. It should be used to retrieve the possible feature codes that the data source can manage.

Specified by:

initFeatureList in class IlvDefaultTilableDataSource

See Also:

IlvDefaultTilableDataSource.initFeatureList()

getGeometryClassFilters

protected IlvGeometryClassFilter[] getGeometryClassFilters()

By default, returns IlvDefaultTilableDataSource.GeometryClassInformation

Overrides:

getGeometryClassFilters in class IlvDefaultTilableDataSource

Returns:

the list of possible geometry classes that can be loaded.

See Also:

IlvDefaultTilableDataSource.getGeometryClassFilters()

makeLayerName

public String makeLayerName(String name,
                            IlvGeometryClassFilter d)

Creates a layer name from a feature name and a geometry class.

Overrides:

makeLayerName in class IlvDefaultTilableDataSource

Parameters:

name - feature name.

d - geometry class.

Returns:

a string to use as a layer name.

See Also:

IlvDefaultTilableDataSource.makeLayerName(java.lang.String, ilog.views.maps.format.IlvGeometryClassFilter)

createFeatureIterator

protected IlvMapReusableFeatureIterator createFeatureIterator(String fileName)
                                                       throws MalformedURLException

Method used in IlvDefaultTilableDataSource.IlvDefaultTilableDataSource(String) constructor to build the data source reader. For example:

  protected void createFeatureIterator(String fileName)
  {
    return new IlvS57Reader(fileName);
  }
   

Specified by:

createFeatureIterator in class IlvDefaultTilableDataSource

Parameters:

fileName - file parameter.

Returns:

the data source reader.

Throws:

MalformedURLException

See Also:

IlvDefaultTilableDataSource.createFeatureIterator(java.lang.String)

createFeatureIterator

protected IlvMapReusableFeatureIterator createFeatureIterator(URL url)

Method used in IlvDefaultTilableDataSource.IlvDefaultTilableDataSource(URL) constructor to build the data source reader. For example:

  protected void createFeatureIterator(URL urlName)
  {
    return new IlvS57Reader(urlName);
  }
   

Specified by:

createFeatureIterator in class IlvDefaultTilableDataSource

Parameters:

url - file parameter.

Returns:

the data source reader.

See Also:

IlvDefaultTilableDataSource.createFeatureIterator(java.net.URL)

createDefaultFilter

protected IlvDefaultFeatureFilter createDefaultFilter()

Creates, at construction time, the filter that will be used to separate features into layers. For example, this method can create an IlvDefaultFeatureFilter instance and pass the property used to split features.

Overrides:

createDefaultFilter in class IlvDefaultTilableDataSource

Returns:

The default feature filter that will be used to separate layers for this data source.

See Also:

IlvDefaultTilableDataSource.createDefaultFilter()

start

public void start()
           throws Exception

Starts this data source. The rendering process is initiated. The map features are read from the reader, graphic objects are rendered and inserted into the manager.

Overrides:

start in class IlvDefaultTilableDataSource

Throws:

Exception

See Also:

IlvDefaultTilableDataSource.start()

createTiledIterator

protected IlvMapRegionOfInterestIterator createTiledIterator(IlvFeatureClassInformation featureValue,
                                                             IlvGeometryClassFilter geometryClass)

Creates an iterator that traverses the map features for a specific area of interest.

Specified by:

createTiledIterator in class IlvDefaultTilableDataSource

Parameters:

featureValue - An IlvFeatureClassInformation object used to filter features.

geometryClass - A subclass of IlvMapGeometry used to prevent the mixing of different types of feature in the same layer.

Returns:

The feature iterator.

createFeatureRenderer

protected IlvFeatureRenderer createFeatureRenderer()
                                            throws Exception

Returns a renderer created for this datasource. This renderer is used in the IlvHierarchicalDataSource.getFeatureRenderer() and IlvHierarchicalDataSource.getFeatureRenderer(IlvMapFeature) methods calls. The default implementation creates a renderer through IlvDataSourceStylingFactory.createDefaultRenderer(boolean, boolean)

Overrides:

createFeatureRenderer in class IlvHierarchicalDataSource

Returns:

Returns a renderer created for this datasource.

Throws:

Exception

See Also:

IlvHierarchicalDataSource.createFeatureRenderer()

getFeatureRenderer

public IlvFeatureRenderer getFeatureRenderer(IlvMapFeature feature)
                                      throws Exception

Returns the appropriate feature renderer for an IlvMapFeature object.

Overrides:

getFeatureRenderer in class IlvHierarchicalDataSource

Parameters:

feature - The IlvMapFeature to render.

Returns:

the IlvFeatureRenderer.

Throws:

Exception - if a feature renderer does not exist to match feature. Overridden to always use the same feature renderer.

setDestinationBounds

public void setDestinationBounds(double minX,
                                 double minY,
                                 double maxX,
                                 double maxY)

Sets the bounds within which the SVG Reader should fit graphical objects.

Parameters:

minX - The minimum longitude in radians.

minY - The minimum latitude in radians.

maxX - The maximum longitude in radians.

maxY - The maximum latitude in radians.

setInternalTransformation

public void setInternalTransformation(IlvMathTransform internalTransformation)

Sets the internal transformation to use when reading the SVG file.

Parameters:

internalTransformation - The internal transformation to be used when reading from an SVG file.