Inheritance diagram for osgEarth::Features::FeatureSourceOptions:

Collaboration diagram for osgEarth::Features::FeatureSourceOptions:

Public Member Functions
optional< std::string > &	name ()
const optional< std::string > &	name () const
FeatureFilterList &	filters ()
const FeatureFilterList &	filters () const
optional< bool > &	openWrite ()
const optional< bool > &	openWrite () const
optional< ProfileOptions > &	profile ()
const optional< ProfileOptions > &	profile () const
	FeatureSourceOptions (const ConfigOptions &options=ConfigOptions())
virtual Config	getConfig () const
Protected Member Functions
virtual void	mergeConfig (const Config &conf)
Private Member Functions
void	fromConfig (const Config &conf)
Private Attributes
FeatureFilterList	_filters
optional< std::string >	_name
optional< bool >	_openWrite
optional< ProfileOptions >	_profile

Detailed Description

Configuration options for creating a FeatureSource.

Definition at line 44 of file FeatureSource.

Constructor & Destructor Documentation

FeatureSourceOptions::FeatureSourceOptions ( const ConfigOptions & options = ConfigOptions() )

Definition at line 33 of file FeatureSource.cpp.

                                                                         :
DriverConfigOptions( options )
{
    fromConfig( _conf );
}

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Member Function Documentation

FeatureFilterList& osgEarth::Features::FeatureSourceOptions::filters ( ) [inline]

List of filteres to apply to features read from this source

Definition at line 53 of file FeatureSource.

{ return _filters; }

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const FeatureFilterList& osgEarth::Features::FeatureSourceOptions::filters ( ) const [inline]

Definition at line 54 of file FeatureSource.

{ return _filters; }

void FeatureSourceOptions::fromConfig ( const Config & conf ) [private]

Reimplemented from osgEarth::DriverConfigOptions.

Reimplemented in osgEarth::Drivers::OGRFeatureOptions, and osgEarth::Drivers::WFSFeatureOptions.

Definition at line 40 of file FeatureSource.cpp.

{
    unsigned numResamples = 0;

    conf.getIfSet   ( "open_write", _openWrite );
    conf.getIfSet   ( "name",       _name );
    conf.getObjIfSet( "profile",    _profile );

    const ConfigSet& children = conf.children();
    for( ConfigSet::const_iterator i = children.begin(); i != children.end(); ++i )
    {
        const Config& child = *i;

        if ( child.key() == "buffer" && !child.empty() )
        {
            BufferFilter* buffer = new BufferFilter();
            child.getIfSet( "distance", buffer->distance() );
            _filters.push_back( buffer );

            if ( numResamples > 0 )
            {
                OE_WARN << LC 
                    << "Warning: Resampling should be applied before buffering, as buffering"
                    << " will remove colinear segments created by the buffer operation."
                    << std::endl;
            }

            OE_DEBUG << LC << "Added buffer filter" << std::endl;
        }

        else if ( child.key() == "resample" && !child.empty() )
        {
            ResampleFilter* resample = new ResampleFilter();
            child.getIfSet( "min_length", resample->minLength() );
            child.getIfSet( "max_length", resample->maxLength() );
            _filters.push_back( resample );
            numResamples++;

            OE_DEBUG << LC << "Added resample filter" << std::endl;
        }

        else if ( child.key() == "convert" && !child.empty() )
        {
            ConvertTypeFilter* convert = new ConvertTypeFilter();
            optional<Geometry::Type> type = Geometry::TYPE_POINTSET;
            child.getIfSet( "type", "point",   type, Geometry::TYPE_POINTSET );
            child.getIfSet( "type", "line",    type, Geometry::TYPE_LINESTRING );
            child.getIfSet( "type", "polygon", type, Geometry::TYPE_POLYGON );
            convert->toType() = *type;
            _filters.push_back( convert );

            OE_DEBUG << LC << "Added convert filter" << std::endl;
        }
    }
}

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Config FeatureSourceOptions::getConfig ( ) const [virtual]

Gets or sets the name of the object

Reimplemented from osgEarth::DriverConfigOptions.

Reimplemented in osgEarth::Drivers::OGRFeatureOptions, and osgEarth::Drivers::WFSFeatureOptions.

Definition at line 97 of file FeatureSource.cpp.

{
    Config conf = DriverConfigOptions::getConfig();

    conf.updateIfSet   ( "open_write", _openWrite );
    conf.updateIfSet   ( "name",       _name );
    conf.updateObjIfSet( "profile",    _profile );

    //TODO: make each of these filters Configurable.
    for( FeatureFilterList::const_iterator i = _filters.begin(); i != _filters.end(); ++i )
    {
        BufferFilter* buffer = dynamic_cast<BufferFilter*>( i->get() );
        if ( buffer ) {
            Config bufferConf( "buffer" );
            bufferConf.addIfSet( "distance", buffer->distance() );
            conf.update( bufferConf );
        }

        ResampleFilter* resample = dynamic_cast<ResampleFilter*>( i->get() );
        if ( resample ) { 
            Config resampleConf( "resample" );
            resampleConf.addIfSet( "min_length", resample->minLength() );
            resampleConf.addIfSet( "max_length", resample->maxLength() );
            conf.update( resampleConf );
        }

        ConvertTypeFilter* convert = dynamic_cast<ConvertTypeFilter*>( i->get() );
        if ( convert ) {
            Config convertConf( "convert" );
            optional<Geometry::Type> type( convert->toType(), convert->toType() ); // weird optional ctor :)
            convertConf.addIfSet( "type", "point",   type, Geometry::TYPE_POINTSET );
            convertConf.addIfSet( "type", "line",    type, Geometry::TYPE_LINESTRING );
            convertConf.addIfSet( "type", "polygon", type, Geometry::TYPE_POLYGON );
            conf.update( convertConf );
        }
    }

    return conf;
}

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virtual void osgEarth::Features::FeatureSourceOptions::mergeConfig ( const Config & conf ) [inline, protected, virtual]

Reimplemented from osgEarth::DriverConfigOptions.

Reimplemented in osgEarth::Drivers::OGRFeatureOptions, and osgEarth::Drivers::WFSFeatureOptions.

Definition at line 70 of file FeatureSource.

                                                       {
            DriverConfigOptions::mergeConfig( conf );
            fromConfig( conf );
        }

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