void
PlaceNode::setText( const std::string& text )
{
if ( !_dynamic )
{
OE_WARN << LC << "Illegal state: cannot change a LabelNode that is not dynamic" << std::endl;
return;
}
_text = text;
for(unsigned i=0; i<_geode->getNumDrawables(); ++i)
{
osgText::Text* d = dynamic_cast<osgText::Text*>( _geode->getDrawable(i) );
if ( d )
{
TextSymbol* symbol = _style.getOrCreate<TextSymbol>();
osgText::String::Encoding text_encoding = osgText::String::ENCODING_UNDEFINED;
if ( symbol && symbol->encoding().isSet() )
{
text_encoding = AnnotationUtils::convertTextSymbolEncoding(symbol->encoding().value());
}
d->setText( text, text_encoding );
break;
}
}
}
void createTrackSchema(TrackNodeFieldSchema& schema)
{
// draw the track name above the icon:
TextSymbol* nameSymbol = new TextSymbol();
nameSymbol->pixelOffset()->set( 0, 2+TRACK_ICON_SIZE/2 );
nameSymbol->alignment() = TextSymbol::ALIGN_CENTER_BOTTOM;
nameSymbol->halo()->color() = Color::Black;
schema[TRACK_FIELD_NAME] = TrackNodeField(nameSymbol, false);
}
void
MGRSGraticule::setUpDefaultStyles()
{
if (!options().gzdStyle().isSet())
{
LineSymbol* line = options().gzdStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color::Gray;
line->stroke()->width() = 1.0;
line->tessellation() = 20;
TextSymbol* text = options().gzdStyle()->getOrCreate<TextSymbol>();
text->fill()->color() = Color(Color::White, 0.3f);
text->halo()->color() = Color(Color::Black, 0.2f);
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
}
if (!options().sqidStyle().isSet())
{
LineSymbol* line = options().sqidStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color(Color::White, 0.5f);
line->stroke()->stipplePattern() = 0x1111;
TextSymbol* text = options().sqidStyle()->getOrCreate<TextSymbol>();
text->fill()->color() = Color(Color::White, 0.3f);
text->halo()->color() = Color(Color::Black, 0.1f);
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
}
}
TextSymbol::TextSymbol(const TextSymbol& rhs,const osg::CopyOp& copyop):
Symbol(rhs, copyop),
_fill(rhs._fill),
_halo(rhs._halo),
_haloOffset(rhs._haloOffset),
_haloBackdropType(rhs._haloBackdropType),
_haloImplementation(rhs._haloImplementation),
_font(rhs._font),
_size(rhs._size),
_content(rhs._content),
_priority(rhs._priority),
_pixelOffset(rhs._pixelOffset),
_onScreenRotation(rhs._onScreenRotation),
_geographicCourse(rhs._geographicCourse),
_provider(rhs._provider),
_encoding(rhs._encoding),
_alignment(rhs._alignment),
_layout(rhs._layout),
_declutter(rhs._declutter),
_occlusionCull(rhs._occlusionCull),
_occlusionCullAltitude(rhs._occlusionCullAltitude),
_autoOffsetAlongLine(rhs._autoOffsetAlongLine),
_autoOffsetPreferedPosition(rhs._autoOffsetPreferedPosition),
_autoRotateAlongLine(rhs._autoRotateAlongLine),
_autoOffsetGeomWKT(rhs.autoOffsetGeomWKT())
{
}
MGRSGraticule::MGRSGraticule( MapNode* mapNode ) :
UTMGraticule( 0L )
{
_mapNode = mapNode;
init();
if ( !_options->secondaryStyle().isSet() )
{
LineSymbol* line = _options->secondaryStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color(Color::White, 0.5f);
line->stroke()->stipple() = 0x1111;
TextSymbol* text = _options->secondaryStyle()->getOrCreate<TextSymbol>();
text->fill()->color() = Color(Color::White, 0.3f);
text->halo()->color() = Color(Color::Black, 0.1f);
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
}
_minDepthOffset = DepthOffsetUtils::createMinOffsetUniform();
_minDepthOffset->set( 11000.0f );
}
void
GeodeticGraticule::initLabelPool(CameraData& cdata)
{
const osgEarth::SpatialReference* srs = osgEarth::SpatialReference::create("wgs84");
Style style;
TextSymbol* text = style.getOrCreateSymbol<TextSymbol>();
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
text->fill()->color() = options().labelColor().get();
AltitudeSymbol* alt = style.getOrCreateSymbol<AltitudeSymbol>();
alt->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
unsigned int labelPoolSize = 8 * options().gridLines().get();
for (unsigned int i = 0; i < labelPoolSize; i++)
{
GeoPoint pt(srs, 0,0,0);
LabelNode* label = new LabelNode(_mapNode.get(), pt, "0,0");
label->setDynamic(true);
label->setStyle(style);
cdata._labelPool.push_back(label);
}
}
GraticuleLabelingEngine::GraticuleLabelingEngine(const SpatialReference* srs)
{
_srs = srs;
// Set up the symbology for x-axis labels
TextSymbol* xText = _xLabelStyle.getOrCreate<TextSymbol>();
xText->alignment() = TextSymbol::ALIGN_CENTER_BOTTOM;
xText->halo()->color().set(0, 0, 0, 1);
xText->declutter() = false;
// Set up the symbology for y-axis labels
TextSymbol* yText = _yLabelStyle.getOrCreate<TextSymbol>();
yText->alignment() = TextSymbol::ALIGN_LEFT_BOTTOM;
yText->halo()->color().set(0, 0, 0, 1);
yText->declutter() = false;
}
/**
* Creates a field schema that we'll later use as a labeling template for
* TrackNode instances.
*/
void
createFieldSchema( TrackNodeFieldSchema& schema )
{
// draw the track name above the icon:
TextSymbol* nameSymbol = new TextSymbol();
nameSymbol->pixelOffset()->set( 0, 2+ICON_SIZE/2 );
nameSymbol->alignment() = TextSymbol::ALIGN_CENTER_BOTTOM;
nameSymbol->halo()->color() = Color::Black;
nameSymbol->size() = nameSymbol->size()->eval() + 2.0f;
schema[FIELD_NAME] = TrackNodeField(nameSymbol, false); // false => static label (won't change after set)
// draw the track coordinates below the icon:
TextSymbol* posSymbol = new TextSymbol();
posSymbol->pixelOffset()->set( 0, -2-ICON_SIZE/2 );
posSymbol->alignment() = TextSymbol::ALIGN_CENTER_TOP;
posSymbol->fill()->color() = Color::Yellow;
posSymbol->size() = posSymbol->size()->eval() - 2.0f;
schema[FIELD_POSITION] = TrackNodeField(posSymbol, true); // true => may change at runtime
// draw some other field to the left:
TextSymbol* numberSymbol = new TextSymbol();
numberSymbol->pixelOffset()->set( -2-ICON_SIZE/2, 0 );
numberSymbol->alignment() = TextSymbol::ALIGN_RIGHT_CENTER;
schema[FIELD_NUMBER] = TrackNodeField(numberSymbol, false);
}
void
UTMGraticule::rebuild()
{
if (_root.valid() == false)
return;
osg::ref_ptr<const Map> map;
if (!_map.lock(map))
return;
// clear everything out
_root->removeChildren( 0, _root->getNumChildren() );
// requires a geocentric map
if ( !map->isGeocentric() )
{
OE_WARN << LC << "Projected map mode is not yet supported" << std::endl;
return;
}
const Profile* mapProfile = map->getProfile();
_profile = Profile::create(
mapProfile->getSRS(),
mapProfile->getExtent().xMin(),
mapProfile->getExtent().yMin(),
mapProfile->getExtent().xMax(),
mapProfile->getExtent().yMax(),
8, 4 );
_featureProfile = new FeatureProfile(_profile->getSRS());
//todo: do this right..
osg::StateSet* set = this->getOrCreateStateSet();
GLUtils::setLighting(set, 0);
set->setMode( GL_BLEND, 1 );
set->setMode( GL_CLIP_DISTANCE0, 1 );
// set up default options if the caller did not supply them
if ( !options().gzdStyle().isSet() )
{
options().gzdStyle() = Style();
LineSymbol* line = options().gzdStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color::Gray;
line->stroke()->width() = 1.0;
line->tessellation() = 20;
TextSymbol* text = options().gzdStyle()->getOrCreate<TextSymbol>();
text->fill()->color() = Color(Color::White, 0.3f);
text->halo()->color() = Color(Color::Black, 0.2f);
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
}
// initialize the UTM sector tables for this profile.
_utmData.rebuild(_profile.get());
// now build the lateral tiles for the GZD level.
for( UTMData::SectorTable::iterator i = _utmData.sectorTable().begin(); i != _utmData.sectorTable().end(); ++i )
{
osg::Node* tile = _utmData.buildGZDTile(i->first, i->second, options().gzdStyle().get(), _featureProfile.get(), map.get());
if ( tile )
_root->addChild( tile );
}
}
osg::Node*
UTMGraticule::buildGZDTile( const std::string& name, const GeoExtent& extent )
{
osg::Group* group = new osg::Group();
Style lineStyle;
lineStyle.add( _options->primaryStyle()->get<LineSymbol>() );
lineStyle.add( _options->primaryStyle()->get<AltitudeSymbol>() );
//const Style& lineStyle = *_options->lineStyle();
//Style textStyle = *_options->textStyle();
bool hasText = _options->primaryStyle()->get<TextSymbol>() != 0L;
GeometryCompiler compiler;
osg::ref_ptr<Session> session = new Session( _mapNode->getMap() );
FilterContext context( session.get(), _featureProfile.get(), extent );
// make sure we get sufficient tessellation:
compiler.options().maxGranularity() = 1.0;
FeatureList features;
// longitudinal line:
LineString* lon = new LineString(2);
lon->push_back( osg::Vec3d(extent.xMin(), extent.yMax(), 0) );
lon->push_back( osg::Vec3d(extent.xMin(), extent.yMin(), 0) );
Feature* lonFeature = new Feature(lon, extent.getSRS());
lonFeature->geoInterp() = GEOINTERP_GREAT_CIRCLE;
features.push_back( lonFeature );
// latitudinal line:
LineString* lat = new LineString(2);
lat->push_back( osg::Vec3d(extent.xMin(), extent.yMin(), 0) );
lat->push_back( osg::Vec3d(extent.xMax(), extent.yMin(), 0) );
Feature* latFeature = new Feature(lat, extent.getSRS());
latFeature->geoInterp() = GEOINTERP_RHUMB_LINE;
features.push_back( latFeature );
// top lat line at 84N
if ( extent.yMax() == 84.0 )
{
LineString* lat = new LineString(2);
lat->push_back( osg::Vec3d(extent.xMin(), extent.yMax(), 0) );
lat->push_back( osg::Vec3d(extent.xMax(), extent.yMax(), 0) );
Feature* latFeature = new Feature(lat, extent.getSRS());
latFeature->geoInterp() = GEOINTERP_RHUMB_LINE;
features.push_back( latFeature );
}
osg::Node* geomNode = compiler.compile(features, lineStyle, context);
if ( geomNode )
group->addChild( geomNode );
// get the geocentric tile center:
osg::Vec3d tileCenter;
extent.getCentroid( tileCenter.x(), tileCenter.y() );
osg::Vec3d centerECEF;
extent.getSRS()->transformToECEF( tileCenter, centerECEF );
if ( hasText )
{
osg::Vec3d west, east;
extent.getSRS()->transformToECEF(osg::Vec3d(extent.xMin(),tileCenter.y(),0), west );
extent.getSRS()->transformToECEF(osg::Vec3d(extent.xMax(),tileCenter.y(),0), east );
TextSymbol* textSym = _options->primaryStyle()->getOrCreate<TextSymbol>();
textSym->size() = (west-east).length() / 3.0;
TextSymbolizer ts( textSym );
osg::Geode* textGeode = new osg::Geode();
textGeode->getOrCreateStateSet()->setRenderBinDetails( 9998, "DepthSortedBin" );
textGeode->getOrCreateStateSet()->setAttributeAndModes( _depthAttribute, 1 );
osg::Drawable* d = ts.create(name);
d->getOrCreateStateSet()->setRenderBinToInherit();
textGeode->addDrawable(d);
osg::MatrixTransform* mt = new osg::MatrixTransform(ECEF::createLocalToWorld(centerECEF));
mt->addChild(textGeode);
group->addChild(mt);
}
group = buildGZDChildren( group, name );
group = ClusterCullingFactory::createAndInstall( group, centerECEF )->asGroup();
return group;
}
void
UTMGraticule::init()
{
if ( !_mapNode.valid() )
{
OE_WARN << LC << "Illegal NULL map node" << std::endl;
return;
}
if ( !_mapNode->isGeocentric() )
{
OE_WARN << LC << "Projected map mode is not yet supported" << std::endl;
return;
}
// safely generate a unique ID for this graticule:
_id = Registry::instance()->createUID();
{
Threading::ScopedMutexLock lock( s_graticuleMutex );
s_graticuleRegistry[_id] = this;
}
const Profile* mapProfile = _mapNode->getMap()->getProfile();
_profile = Profile::create(
mapProfile->getSRS(),
mapProfile->getExtent().xMin(),
mapProfile->getExtent().yMin(),
mapProfile->getExtent().xMax(),
mapProfile->getExtent().yMax(),
8, 4 );
_featureProfile = new FeatureProfile(_profile->getSRS());
//todo: do this right..
osg::StateSet* set = this->getOrCreateStateSet();
set->setMode( GL_LIGHTING, 0 );
set->setMode( GL_BLEND, 1 );
// set up default options if the caller did not supply them
if ( !_options.isSet() )
{
_options->primaryStyle()= Style();
LineSymbol* line = _options->primaryStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color::Gray;
line->stroke()->width() = 1.0;
line->tessellation() = 20;
AltitudeSymbol* alt = _options->primaryStyle()->getOrCreate<AltitudeSymbol>();
//alt->verticalOffset() = NumericExpression(4900.0);
TextSymbol* text = _options->primaryStyle()->getOrCreate<TextSymbol>();
text->fill()->color() = Color(Color::White, 0.3f);
text->halo()->color() = Color(Color::Black, 0.2f);
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
}
// make the shared depth attr:
_depthAttribute = new osg::Depth(osg::Depth::LEQUAL,0,1,false);
// this will intialize the graph.
rebuild();
}
void
TextSymbol::parseSLD(const Config& c, Style& style)
{
TextSymbol defaults;
if ( match(c.key(), "text-fill") || match(c.key(), "text-color") ) {
style.getOrCreate<TextSymbol>()->fill()->color() = Color(c.value());
}
else if ( match(c.key(), "text-fill-opacity") ) {
style.getOrCreate<TextSymbol>()->fill()->color().a() = as<float>( c.value(), 1.0f );
}
else if ( match(c.key(), "text-size") ) {
style.getOrCreate<TextSymbol>()->size() = NumericExpression( c.value() );
}
else if ( match(c.key(), "text-font") ) {
style.getOrCreate<TextSymbol>()->font() = c.value();
}
else if ( match(c.key(), "text-halo") || match(c.key(), "text-halo-color") ) {
style.getOrCreate<TextSymbol>()->halo()->color() = htmlColorToVec4f( c.value() );
}
else if ( match(c.key(), "text-halo-offset") ) {
style.getOrCreate<TextSymbol>()->haloOffset() = as<float>(c.value(), defaults.haloOffset().get() );
}
else if ( match(c.key(), "text-halo-backdrop-type") ) {
if ( match(c.value(), "right-bottom") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_BOTTOM_RIGHT;
else if ( match(c.value(), "right-center") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_CENTER_RIGHT;
else if ( match(c.value(), "right-top") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_TOP_RIGHT;
else if ( match(c.value(), "center-bottom") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_BOTTOM_CENTER;
else if ( match(c.value(), "center-top") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_TOP_CENTER;
else if ( match(c.value(), "left-bottom") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_BOTTOM_LEFT;
else if ( match(c.value(), "left-center") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_CENTER_LEFT;
else if ( match(c.value(), "left-top") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::DROP_SHADOW_TOP_LEFT;
else if ( match(c.value(), "outline") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::OUTLINE;
else if ( match(c.value(), "none") )
style.getOrCreate<TextSymbol>()->haloBackdropType() = osgText::Text::NONE;
}
else if ( match(c.key(), "text-halo-implementation") ) {
if ( match(c.value(), "polygon-offset") )
style.getOrCreate<TextSymbol>()->haloImplementation() = osgText::Text::POLYGON_OFFSET;
else if ( match(c.value(), "no-depth-buffer") )
style.getOrCreate<TextSymbol>()->haloImplementation() = osgText::Text::NO_DEPTH_BUFFER;
else if ( match(c.value(), "depth-range") )
style.getOrCreate<TextSymbol>()->haloImplementation() = osgText::Text::DEPTH_RANGE;
else if ( match(c.value(), "stencil-buffer") )
style.getOrCreate<TextSymbol>()->haloImplementation() = osgText::Text::STENCIL_BUFFER;
else if ( match(c.value(), "delayed-depth-writes") )
style.getOrCreate<TextSymbol>()->haloImplementation() = osgText::Text::DELAYED_DEPTH_WRITES;
}
else if ( match(c.key(), "text-remove-duplicate-labels") ) {
if ( c.value() == "true" )
style.getOrCreate<TextSymbol>()->removeDuplicateLabels() = true;
else if (c.value() == "false")
style.getOrCreate<TextSymbol>()->removeDuplicateLabels() = false;
}
else if ( match(c.key(), "text-align") ) {
if ( match(c.value(), "left-top") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_LEFT_TOP;
else if ( match(c.value(), "left-center") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_LEFT_CENTER;
else if ( match(c.value(), "left-bottom") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_LEFT_BOTTOM;
else if ( match(c.value(), "center-top") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_TOP;
else if ( match(c.value(), "center-center") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
else if ( match(c.value(), "center-bottom") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_BOTTOM;
else if ( match(c.value(), "right-top") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_RIGHT_TOP;
else if ( match(c.value(), "right-center") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_RIGHT_CENTER;
else if ( match(c.value(), "right-bottom") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_RIGHT_BOTTOM;
else if ( match(c.value(), "left-base-line") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_LEFT_BASE_LINE;
else if ( match(c.value(), "center-base-line") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_BASE_LINE;
else if ( match(c.value(), "right-base-line") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_RIGHT_BASE_LINE;
else if ( match(c.value(), "left-bottom-base-line") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_LEFT_BOTTOM_BASE_LINE;
else if ( match(c.value(), "center-bottom-base-line") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_BOTTOM_BASE_LINE;
else if ( match(c.value(), "right-bottom-base-line") )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_RIGHT_BOTTOM_BASE_LINE;
else if ( match(c.value(), "base-line" ) )
style.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_BASE_LINE;
}
else if ( match(c.key(), "text-layout") ) {
if ( match(c.value(), "ltr") )
style.getOrCreate<TextSymbol>()->layout() = TextSymbol::LAYOUT_LEFT_TO_RIGHT;
else if ( match(c.value(), "rtl" ) )
style.getOrCreate<TextSymbol>()->layout() = TextSymbol::LAYOUT_RIGHT_TO_LEFT;
else if ( match(c.value(), "vertical" ) )
style.getOrCreate<TextSymbol>()->layout() = TextSymbol::LAYOUT_VERTICAL;
}
else if ( match(c.key(), "text-content") || match(c.key(), "text") ) {
style.getOrCreate<TextSymbol>()->content() = StringExpression( c.value() );
}
else if ( match(c.key(), "text-priority") ) {
style.getOrCreate<TextSymbol>()->priority() = NumericExpression( c.value() );
}
else if ( match(c.key(), "text-provider") ) {
style.getOrCreate<TextSymbol>()->provider() = c.value();
}
else if ( match(c.key(), "text-encoding") ) {
if (match(c.value(), "utf-8"))
style.getOrCreate<TextSymbol>()->encoding() = TextSymbol::ENCODING_UTF8;
else if (match(c.value(), "utf-16"))
style.getOrCreate<TextSymbol>()->encoding() = TextSymbol::ENCODING_UTF16;
else if (match(c.value(), "utf-32"))
style.getOrCreate<TextSymbol>()->encoding() = TextSymbol::ENCODING_UTF32;
else if (match(c.value(), "ascii"))
style.getOrCreate<TextSymbol>()->encoding() = TextSymbol::ENCODING_ASCII;
else
style.getOrCreate<TextSymbol>()->encoding() = TextSymbol::ENCODING_ASCII;
}
else if ( match(c.key(), "text-declutter") ) {
style.getOrCreate<TextSymbol>()->declutter() = as<bool>(c.value(), defaults.declutter().get() );
}
else if ( match(c.key(), "text-occlusion-cull") ) {
style.getOrCreate<TextSymbol>()->occlusionCull() = as<bool>(c.value(), defaults.occlusionCull().get() );
}
else if ( match(c.key(), "text-occlusion-cull-altitude") ) {
style.getOrCreate<TextSymbol>()->occlusionCullAltitude() = as<double>(c.value(), defaults.occlusionCullAltitude().get() );
}
else if ( match(c.key(), "text-script") ) {
style.getOrCreate<TextSymbol>()->script() = StringExpression(c.value());
}
else if ( match(c.key(), "text-offset-x") ) {
style.getOrCreate<TextSymbol>()->pixelOffset()->x() = as<double>(c.value(), defaults.pixelOffset()->x() );
}
else if ( match(c.key(), "text-offset-y") ) {
style.getOrCreate<TextSymbol>()->pixelOffset()->y() = as<double>(c.value(), defaults.pixelOffset()->y() );
}
else if ( match(c.key(), "text-rotation") ) {
style.getOrCreate<TextSymbol>()->onScreenRotation() = NumericExpression( c.value() );
}
else if ( match(c.key(), "text-geographic-course") ) {
style.getOrCreate<TextSymbol>()->geographicCourse() = NumericExpression( c.value() );
}
}
void
KML_Placemark::build( xml_node<>* node, KMLContext& cx )
{
Style masterStyle;
std::string styleUrl = getValue(node, "styleurl");
if (!styleUrl.empty())
{ // process a "stylesheet" style
const Style* ref_style = cx._sheet->getStyle( styleUrl, false );
if (ref_style)
{
masterStyle = masterStyle.combineWith(*ref_style);
}
}
xml_node<>* style = node->first_node("style", 0, false);
if ( style )
{ // process an "inline" style
KML_Style kmlStyle;
kmlStyle.scan(style, cx);
masterStyle = masterStyle.combineWith(cx._activeStyle);
}
// parse the geometry. the placemark must have geometry to be valid. The
// geometry parse may optionally specify an altitude mode as well.
KML_Geometry geometry;
geometry.build(node, cx, masterStyle);
Geometry* allGeom = geometry._geom.get();
if ( allGeom )
{
GeometryIterator giter( allGeom, false );
while( giter.hasMore() )
{
Geometry* geom = giter.next();
Style style = masterStyle;
AltitudeSymbol* alt = style.get<AltitudeSymbol>();
if ( geom && geom->getTotalPointCount() > 0 )
{
// resolve the proper altitude mode for the anchor point
AltitudeMode altMode = ALTMODE_RELATIVE;
if (alt &&
!alt->clamping().isSetTo( alt->CLAMP_TO_TERRAIN ) &&
!alt->clamping().isSetTo( alt->CLAMP_RELATIVE_TO_TERRAIN ) )
{
altMode = ALTMODE_ABSOLUTE;
}
GeoPoint position(cx._srs.get(), geom->getBounds().center(), altMode);
// check for symbols.
ModelSymbol* model = style.get<ModelSymbol>();
IconSymbol* icon = style.get<IconSymbol>();
TextSymbol* text = style.get<TextSymbol>();
// for a single point placemark, apply the default icon and text symbols
// if none are specified in the KML.
if (geom->getTotalPointCount() == 1)
{
if (!model && !icon && cx._options->defaultIconSymbol().valid())
{
icon = cx._options->defaultIconSymbol().get();
style.add(icon);
}
if (!text && cx._options->defaultTextSymbol().valid())
{
text = cx._options->defaultTextSymbol().get();
style.add(text);
}
}
// the annotation name:
std::string name = getValue(node, "name");
if (!name.empty())
{
OE_INFO << LC << "Placemark: " << name << std::endl;
}
AnnotationNode* featureNode = 0L;
AnnotationNode* iconNode = 0L;
AnnotationNode* modelNode = 0L;
// one coordinate? It's a place marker or a label.
if ( (model || icon || text) && geom->getTotalPointCount() == 1 )
{
// if there's a model, render that - models do NOT get labels.
if ( model )
{
ModelNode* node = new ModelNode( cx._mapNode, style, cx._dbOptions.get() );
node->setPosition( position );
// model scale:
if ( cx._options->modelScale() != 1.0f )
{
float s = *cx._options->modelScale();
node->getPositionAttitudeTransform()->setScale(osg::Vec3d(s,s,s));
}
// model local tangent plane rotation:
if ( !cx._options->modelRotation()->zeroRotation() )
{
node->getPositionAttitudeTransform()->setAttitude( *cx._options->modelRotation() );
}
modelNode = node;
}
// is there a label?
else if ( !name.empty() )
{
if ( !text )
{
text = style.getOrCreate<TextSymbol>();
text->encoding() = TextSymbol::ENCODING_UTF8;
}
text->content()->setLiteral( name );
}
// is there an icon?
if ( icon )
{
PlaceNode* placeNode = new PlaceNode( position );
placeNode->setStyle(style, cx._dbOptions.get());
iconNode = placeNode;
}
else if ( !model && text && !name.empty() )
{
// note: models do not get labels.
iconNode = new LabelNode();
iconNode->setStyle(style);
}
}
// multiple coords? feature:
if ( geom->getTotalPointCount() > 1 )
{
// Remove symbols that we have already processed so the geometry
// compiler doesn't get confused.
if ( model )
style.removeSymbol( model );
if ( icon )
style.removeSymbol( icon );
if ( text )
style.removeSymbol( text );
Feature* feature = new Feature(geom, cx._srs.get(), style);
featureNode = new FeatureNode(feature );
featureNode->setMapNode( cx._mapNode );
}
if ( iconNode )
{
Registry::objectIndex()->tagNode( iconNode, iconNode );
}
if ( modelNode )
{
Registry::objectIndex()->tagNode( modelNode, modelNode );
}
if ( featureNode )
{
Registry::objectIndex()->tagNode( featureNode, featureNode );
}
// assemble the results:
if ( (iconNode || modelNode) && featureNode )
{
osg::Group* group = new osg::Group();
group->addChild( featureNode );
if ( iconNode )
group->addChild( iconNode );
if ( modelNode )
group->addChild( modelNode );
cx._groupStack.top()->addChild( group );
if ( iconNode )
KML_Feature::build( node, cx, iconNode );
if ( modelNode )
KML_Feature::build( node, cx, modelNode );
if ( featureNode )
KML_Feature::build( node, cx, featureNode );
}
else
{
if ( iconNode )
{
if ( cx._options->iconAndLabelGroup().valid() )
{
cx._options->iconAndLabelGroup()->addChild( iconNode );
}
else
{
cx._groupStack.top()->addChild( iconNode );
}
KML_Feature::build( node, cx, iconNode );
}
if ( modelNode )
{
cx._groupStack.top()->addChild( modelNode );
KML_Feature::build( node, cx, modelNode );
}
if ( featureNode )
{
osg::Node* child = featureNode;
// If this feature node is map-clamped, we most likely need a depth-offset
// shader to prevent z-fighting with the terrain.
if (alt && alt->clamping() == alt->CLAMP_TO_TERRAIN && alt->technique() == alt->TECHNIQUE_MAP)
{
DepthOffsetGroup* g = new DepthOffsetGroup();
g->addChild( featureNode );
child = g;
}
cx._groupStack.top()->addChild( child );
KML_Feature::build( node, cx, featureNode );
}
}
}
}
}
}
void
UTMGraticule::rebuild()
{
// clear everything out
this->removeChildren( 0, this->getNumChildren() );
// requires a map node
if ( !getMapNode() )
{
return;
}
// requires a geocentric map
if ( !getMapNode()->isGeocentric() )
{
OE_WARN << LC << "Projected map mode is not yet supported" << std::endl;
return;
}
const Profile* mapProfile = getMapNode()->getMap()->getProfile();
_profile = Profile::create(
mapProfile->getSRS(),
mapProfile->getExtent().xMin(),
mapProfile->getExtent().yMin(),
mapProfile->getExtent().xMax(),
mapProfile->getExtent().yMax(),
8, 4 );
_featureProfile = new FeatureProfile(_profile->getSRS());
//todo: do this right..
osg::StateSet* set = this->getOrCreateStateSet();
set->setMode( GL_LIGHTING, 0 );
set->setMode( GL_BLEND, 1 );
// set up default options if the caller did not supply them
if ( !_options.isSet() )
{
_options->primaryStyle() = Style();
LineSymbol* line = _options->primaryStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color::Gray;
line->stroke()->width() = 1.0;
line->tessellation() = 20;
AltitudeSymbol* alt = _options->primaryStyle()->getOrCreate<AltitudeSymbol>();
TextSymbol* text = _options->primaryStyle()->getOrCreate<TextSymbol>();
text->fill()->color() = Color(Color::White, 0.3f);
text->halo()->color() = Color(Color::Black, 0.2f);
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
}
// rebuild the graph:
_root = new DrapeableNode( getMapNode(), false );
this->addChild( _root );
#if 0
// set up depth offsetting.
osg::StateSet* s = _root->getOrCreateStateSet();
s->setAttributeAndModes( DepthOffsetUtils::getOrCreateProgram(), 1 );
s->addUniform( DepthOffsetUtils::getIsNotTextUniform() );
osg::Uniform* u = DepthOffsetUtils::createMinOffsetUniform();
u->set( 10000.0f );
s->addUniform( u );
#endif
// build the base Grid Zone Designator (GZD) loolup table. This is a table
// that maps the GZD string to its extent.
static std::string s_gzdRows( "CDEFGHJKLMNPQRSTUVWX" );
const SpatialReference* geosrs = _profile->getSRS()->getGeographicSRS();
// build the lateral zones:
for( unsigned zone = 0; zone < 60; ++zone )
{
for( unsigned row = 0; row < s_gzdRows.size(); ++row )
{
double yMaxExtra = row == s_gzdRows.size()-1 ? 4.0 : 0.0; // extra 4 deg for row X
GeoExtent cellExtent(
geosrs,
-180.0 + double(zone)*6.0,
-80.0 + row*8.0,
-180.0 + double(zone+1)*6.0,
-80.0 + double(row+1)*8.0 + yMaxExtra );
_gzd[ Stringify() << (zone+1) << s_gzdRows[row] ] = cellExtent;
}
}
// the polar zones (UPS):
_gzd["1Y"] = GeoExtent( geosrs, -180.0, 84.0, 0.0, 90.0 );
_gzd["1Z"] = GeoExtent( geosrs, 0.0, 84.0, 180.0, 90.0 );
_gzd["1A"] = GeoExtent( geosrs, -180.0, -90.0, 0.0, -80.0 );
_gzd["1B"] = GeoExtent( geosrs, 0.0, -90.0, 180.0, -80.0 );
// replace the "exception" zones in Norway and Svalbard
_gzd["31V"] = GeoExtent( geosrs, 0.0, 56.0, 3.0, 64.0 );
_gzd["32V"] = GeoExtent( geosrs, 3.0, 56.0, 12.0, 64.0 );
_gzd["31X"] = GeoExtent( geosrs, 0.0, 72.0, 9.0, 84.0 );
_gzd["33X"] = GeoExtent( geosrs, 9.0, 72.0, 21.0, 84.0 );
_gzd["35X"] = GeoExtent( geosrs, 21.0, 72.0, 33.0, 84.0 );
_gzd["37X"] = GeoExtent( geosrs, 33.0, 72.0, 42.0, 84.0 );
// ..and remove the non-existant zones:
_gzd.erase( "32X" );
_gzd.erase( "34X" );
_gzd.erase( "36X" );
// now build the lateral tiles for the GZD level.
for( SectorTable::iterator i = _gzd.begin(); i != _gzd.end(); ++i )
{
osg::Node* tile = buildGZDTile( i->first, i->second );
if ( tile )
_root->addChild( tile );
}
DepthOffsetUtils::prepareGraph( _root );
}
void
MapNodeHelper::parse(MapNode* mapNode,
osg::ArgumentParser& args,
osgViewer::View* view,
osg::Group* root,
Container* userContainer ) const
{
if ( !root )
root = mapNode;
// options to use for the load
osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();
// parse out custom example arguments first:
bool useMGRS = args.read("--mgrs");
bool useDMS = args.read("--dms");
bool useDD = args.read("--dd");
bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD;
bool useAutoClip = args.read("--autoclip");
bool animateSky = args.read("--animate-sky");
bool showActivity = args.read("--activity");
bool useLogDepth = args.read("--logdepth");
bool useLogDepth2 = args.read("--logdepth2");
bool kmlUI = args.read("--kmlui");
if (args.read("--verbose"))
osgEarth::setNotifyLevel(osg::INFO);
if (args.read("--quiet"))
osgEarth::setNotifyLevel(osg::FATAL);
float ambientBrightness = 0.2f;
args.read("--ambientBrightness", ambientBrightness);
std::string kmlFile;
args.read( "--kml", kmlFile );
std::string imageFolder;
args.read( "--images", imageFolder );
std::string imageExtensions;
args.read("--image-extensions", imageExtensions);
// animation path:
std::string animpath;
if ( args.read("--path", animpath) )
{
view->setCameraManipulator( new osgGA::AnimationPathManipulator(animpath) );
}
// Install a new Canvas for our UI controls, or use one that already exists.
ControlCanvas* canvas = ControlCanvas::getOrCreate( view );
Container* mainContainer;
if ( userContainer )
{
mainContainer = userContainer;
}
else
{
mainContainer = new VBox();
mainContainer->setAbsorbEvents( true );
mainContainer->setBackColor( Color(Color::Black, 0.8) );
mainContainer->setHorizAlign( Control::ALIGN_LEFT );
mainContainer->setVertAlign( Control::ALIGN_BOTTOM );
}
canvas->addControl( mainContainer );
// Add an event handler to toggle the canvas with a key press;
view->addEventHandler(new ToggleCanvasEventHandler(canvas) );
// look for external data in the map node:
const Config& externals = mapNode->externalConfig();
//const Config& screenSpaceLayoutConf =
// externals.hasChild("screen_space_layout") ? externals.child("screen_space_layout") :
// externals.child("decluttering"); // backwards-compatibility
// some terrain effects.
// TODO: Most of these are likely to move into extensions.
const Config& lodBlendingConf = externals.child("lod_blending");
const Config& vertScaleConf = externals.child("vertical_scale");
// Shadowing.
if (args.read("--shadows"))
{
int unit;
if ( mapNode->getTerrainEngine()->getResources()->reserveTextureImageUnit(unit, "ShadowCaster") )
{
ShadowCaster* caster = new ShadowCaster();
caster->setTextureImageUnit( unit );
caster->setLight( view->getLight() );
caster->getShadowCastingGroup()->addChild( mapNode );
if ( mapNode->getNumParents() > 0 )
{
insertGroup(caster, mapNode->getParent(0));
}
else
{
caster->addChild(mapNode);
root = caster;
}
}
}
// Loading KML from the command line:
if ( !kmlFile.empty() )
{
KMLOptions kml_options;
kml_options.declutter() = true;
// set up a default icon for point placemarks:
IconSymbol* defaultIcon = new IconSymbol();
defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
kml_options.defaultIconSymbol() = defaultIcon;
TextSymbol* defaultText = new TextSymbol();
defaultText->halo() = Stroke(0.3,0.3,0.3,1.0);
kml_options.defaultTextSymbol() = defaultText;
osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
if ( kml )
{
if (kmlUI)
{
Control* c = AnnotationGraphControlFactory().create(kml, view);
if ( c )
{
c->setVertAlign( Control::ALIGN_TOP );
canvas->addControl( c );
}
}
root->addChild( kml );
}
else
{
OE_NOTICE << "Failed to load " << kmlFile << std::endl;
}
}
//// Configure the de-cluttering engine for labels and annotations:
//if ( !screenSpaceLayoutConf.empty() )
//{
// ScreenSpaceLayout::setOptions( ScreenSpaceLayoutOptions(screenSpaceLayoutConf) );
//}
// Configure the mouse coordinate readout:
if ( useCoords )
{
LabelControl* readout = new LabelControl();
readout->setBackColor( Color(Color::Black, 0.8) );
readout->setHorizAlign( Control::ALIGN_RIGHT );
readout->setVertAlign( Control::ALIGN_BOTTOM );
Formatter* formatter =
useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
0L;
MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
view->addEventHandler( mcTool );
canvas->addControl( readout );
}
// Configure for an ortho camera:
if ( args.read("--ortho") )
{
view->getCamera()->setProjectionMatrixAsOrtho(-1, 1, -1, 1, 0, 1);
}
// activity monitor (debugging)
if ( showActivity )
{
VBox* vbox = new VBox();
vbox->setBackColor( Color(Color::Black, 0.8) );
vbox->setHorizAlign( Control::ALIGN_RIGHT );
vbox->setVertAlign( Control::ALIGN_BOTTOM );
view->addEventHandler( new ActivityMonitorTool(vbox) );
canvas->addControl( vbox );
}
// Install an auto clip plane clamper
if ( useAutoClip )
{
mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
}
// Install logarithmic depth buffer on main camera
if ( useLogDepth )
{
OE_INFO << LC << "Activating logarithmic depth buffer (vertex-only) on main camera" << std::endl;
osgEarth::Util::LogarithmicDepthBuffer logDepth;
logDepth.setUseFragDepth( false );
logDepth.install( view->getCamera() );
}
else if ( useLogDepth2 )
{
OE_INFO << LC << "Activating logarithmic depth buffer (precise) on main camera" << std::endl;
osgEarth::Util::LogarithmicDepthBuffer logDepth;
logDepth.setUseFragDepth( true );
logDepth.install( view->getCamera() );
}
// Scan for images if necessary.
if ( !imageFolder.empty() )
{
std::vector<std::string> extensions;
if ( !imageExtensions.empty() )
StringTokenizer( imageExtensions, extensions, ",;", "", false, true );
if ( extensions.empty() )
extensions.push_back( "tif" );
OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl;
ImageLayerVector imageLayers;
DataScanner scanner;
scanner.findImageLayers( imageFolder, extensions, imageLayers );
if ( imageLayers.size() > 0 )
{
mapNode->getMap()->beginUpdate();
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
mapNode->getMap()->addImageLayer( i->get() );
}
mapNode->getMap()->endUpdate();
}
OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl;
}
// Install elevation morphing
if ( !lodBlendingConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) );
}
// Install vertical scaler
if ( !vertScaleConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) );
}
// Install a contour map effect.
if (args.read("--contourmap"))
{
mapNode->addExtension(Extension::create("contourmap", ConfigOptions()));
// with the cmdline switch, hids all the image layer so we can see the contour map.
for (unsigned i = 0; i < mapNode->getMap()->getNumImageLayers(); ++i) {
mapNode->getMap()->getImageLayerAt(i)->setVisible(false);
}
}
// Generic named value uniform with min/max.
VBox* uniformBox = 0L;
while( args.find( "--uniform" ) >= 0 )
{
std::string name;
float minval, maxval;
if ( args.read( "--uniform", name, minval, maxval ) )
{
if ( uniformBox == 0L )
{
uniformBox = new VBox();
uniformBox->setBackColor(0,0,0,0.5);
uniformBox->setAbsorbEvents( true );
canvas->addControl( uniformBox );
}
osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name);
uniform->set( minval );
root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE );
HBox* box = new HBox();
box->addControl( new LabelControl(name) );
HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform)));
hs->setHorizFill(true, 200);
box->addControl( new LabelControl(hs) );
uniformBox->addControl( box );
OE_INFO << LC << "Installed uniform controller for " << name << std::endl;
}
}
// Map inspector:
if (args.read("--inspect"))
{
mapNode->addExtension( Extension::create("mapinspector", ConfigOptions()) );
}
// Memory monitor:
if (args.read("--monitor"))
{
mapNode->addExtension(Extension::create("monitor", ConfigOptions()) );
}
// Simple sky model:
if (args.read("--sky"))
{
mapNode->addExtension(Extension::create("sky_simple", ConfigOptions()) );
}
// Simple ocean model:
if (args.read("--ocean"))
{
mapNode->addExtension(Extension::create("ocean_simple", ConfigOptions()));
}
// Hook up the extensions!
for(std::vector<osg::ref_ptr<Extension> >::const_iterator eiter = mapNode->getExtensions().begin();
eiter != mapNode->getExtensions().end();
++eiter)
{
Extension* e = eiter->get();
// Check for a View interface:
ExtensionInterface<osg::View>* viewIF = ExtensionInterface<osg::View>::get( e );
if ( viewIF )
viewIF->connect( view );
// Check for a Control interface:
ExtensionInterface<Control>* controlIF = ExtensionInterface<Control>::get( e );
if ( controlIF )
controlIF->connect( mainContainer );
}
root->addChild( canvas );
}
bool
SLDReader::readStyleFromCSSParams( const Config& conf, Style& sc )
{
sc.setName( conf.key() );
LineSymbol* line = 0L;
PolygonSymbol* polygon = 0L;
PointSymbol* point = 0L;
TextSymbol* text = 0L;
ExtrusionSymbol* extrusion = 0L;
MarkerSymbol* marker = 0L;
AltitudeSymbol* altitude = 0L;
for(Properties::const_iterator p = conf.attrs().begin(); p != conf.attrs().end(); p++ )
{
if ( p->first == CSS_STROKE )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
line->stroke()->color() = htmlColorToVec4f( p->second );
}
else if ( p->first == CSS_STROKE_OPACITY )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
line->stroke()->color().a() = as<float>( p->second, 1.0f );
}
else if ( p->first == CSS_STROKE_WIDTH )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
line->stroke()->width() = as<float>( p->second, 1.0f );
}
else if ( p->first == CSS_STROKE_LINECAP )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
parseLineCap( p->second, line->stroke()->lineCap() );
}
else if ( p->first == CSS_FILL )
{
if (!polygon) polygon = sc.getOrCreateSymbol<PolygonSymbol>();
polygon->fill()->color() = htmlColorToVec4f( p->second );
if ( !point ) point = sc.getOrCreateSymbol<PointSymbol>();
point->fill()->color() = htmlColorToVec4f( p->second );
if ( !text ) text = new TextSymbol();
text->fill()->color() = htmlColorToVec4f( p->second );
}
else if ( p->first == CSS_FILL_OPACITY )
{
if (!polygon) polygon = sc.getOrCreateSymbol<PolygonSymbol>();
polygon->fill()->color().a() = as<float>( p->second, 1.0f );
if (!polygon) polygon = sc.getOrCreateSymbol<PolygonSymbol>();
point->fill()->color().a() = as<float>( p->second, 1.0f );
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->fill()->color().a() = as<float>( p->second, 1.0f );
}
else if (p->first == CSS_POINT_SIZE)
{
if ( !point ) point = sc.getOrCreateSymbol<PointSymbol>();
point->size() = as<float>(p->second, 1.0f);
}
else if (p->first == CSS_TEXT_SIZE)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->size() = as<float>(p->second, 32.0f);
}
else if (p->first == CSS_TEXT_FONT)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->font() = p->second;
}
else if (p->first == CSS_TEXT_HALO)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->halo()->color() = htmlColorToVec4f( p->second );
}
//else if (p->first == CSS_TEXT_ATTRIBUTE)
//{
// if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
// text->attribute() = p->second;
//}
else if (p->first == CSS_TEXT_ROTATE_TO_SCREEN)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "true") text->rotateToScreen() = true;
else if (p->second == "false") text->rotateToScreen() = false;
}
else if (p->first == CSS_TEXT_SIZE_MODE)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "screen") text->sizeMode() = TextSymbol::SIZEMODE_SCREEN;
else if (p->second == "object") text->sizeMode() = TextSymbol::SIZEMODE_OBJECT;
}
else if (p->first == CSS_TEXT_REMOVE_DUPLICATE_LABELS)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "true") text->removeDuplicateLabels() = true;
else if (p->second == "false") text->removeDuplicateLabels() = false;
}
else if (p->first == CSS_TEXT_LINE_ORIENTATION)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "parallel") text->lineOrientation() = TextSymbol::LINEORIENTATION_PARALLEL;
else if (p->second == "horizontal") text->lineOrientation() = TextSymbol::LINEORIENTATION_HORIZONTAL;
else if (p->second == "perpendicular") text->lineOrientation() = TextSymbol::LINEORIENTATION_PERPENDICULAR;
}
else if (p->first == CSS_TEXT_LINE_PLACEMENT)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "centroid") text->linePlacement() = TextSymbol::LINEPLACEMENT_CENTROID;
else if (p->second == "along-line") text->linePlacement() = TextSymbol::LINEPLACEMENT_ALONG_LINE;
}
else if (p->first == "text-content")
{
if (!text) text = sc.getOrCreate<TextSymbol>();
text->content() = StringExpression( p->second );
}
else if (p->first == "text-priority")
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->priority() = NumericExpression( p->second );
}
else if (p->first == "text-provider")
{
if (!text) text = sc.getOrCreate<TextSymbol>();
text->provider() = p->second;
}
//else if (p->first == CSS_TEXT_CONTENT)
//{
// if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
// text->content() = p->second;
//}
//else if (p->first == CSS_TEXT_CONTENT_ATTRIBUTE_DELIMITER)
//{
// if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
// text->contentAttributeDelimiter() = p->second;
//}
else if (p->first == "marker")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->url() = p->second;
}
else if (p->first == "marker-placement")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
if (p->second == "centroid") marker->placement() = MarkerSymbol::PLACEMENT_CENTROID;
else if (p->second == "interval") marker->placement() = MarkerSymbol::PLACEMENT_INTERVAL;
else if (p->second == "random" ) marker->placement() = MarkerSymbol::PLACEMENT_RANDOM;
}
else if (p->first == "marker-density")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->density() = as<float>(p->second, 1.0f);
}
else if (p->first == "marker-random-seed")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->randomSeed() = as<unsigned>(p->second, 0);
}
else if (p->first == "marker-scale")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->scale() = stringToVec3f(p->second, osg::Vec3f(1,1,1));
}
else if (p->first == "extrusion-height")
{
if (!extrusion) extrusion = sc.getOrCreateSymbol<ExtrusionSymbol>();
extrusion->heightExpression() = NumericExpression(p->second);
}
else if (p->first == "extrusion-flatten")
{
if (!extrusion) extrusion = sc.getOrCreateSymbol<ExtrusionSymbol>();
extrusion->flatten() = as<bool>(p->second, true);
}
else if (p->first == "altitude-clamping")
{
if (!altitude) altitude = sc.getOrCreateSymbol<AltitudeSymbol>();
if (p->second == "none" ) altitude->clamping() = AltitudeSymbol::CLAMP_NONE;
else if (p->second == "terrain" ) altitude->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
else if (p->second == "relative") altitude->clamping() = AltitudeSymbol::CLAMP_RELATIVE_TO_TERRAIN;
}
else if (p->first == "altitude-offset")
{
if (!altitude) altitude = sc.getOrCreateSymbol<AltitudeSymbol>();
altitude->verticalOffset() = as<float>( p->second, 0.0f );
}
}
#if 0
if (line)
sc.addSymbol(line);
if (polygon)
sc.addSymbol(polygon);
if (point)
sc.addSymbol(point);
if (text)
sc.addSymbol(text);
if (extrusion)
sc.addSymbol(extrusion);
if (marker)
sc.addSymbol(marker);
if (altitude)
sc.addSymbol(altitude);
#endif
return true;
}
void
MapInspectorUI::addTerrainLayer(TerrainLayer* layer,
MapNode* mapNode)
{
const Color colors[6] = {
Color::White,
Color::Yellow,
Color::Cyan,
Color::Lime,
Color::Red,
Color::Magenta
};
Color color = colors[(int)layer->getUID()%6];
osg::ref_ptr<MultiGeometry> collection = new MultiGeometry();
const DataExtentList& exlist = layer->getDataExtents();
if (!exlist.empty())
{
for(DataExtentList::const_iterator i = exlist.begin(); i != exlist.end(); ++i)
{
const DataExtent& e = *i;
Polygon* p = new Polygon();
p->push_back( e.xMin(), e.yMin() );
p->push_back( e.xMax(), e.yMin() );
p->push_back( e.xMax(), e.yMax() );
p->push_back( e.xMin(), e.yMax() );
collection->add( p );
}
// poly:
{
Style style;
style.getOrCreate<LineSymbol>()->stroke()->color() = color;
style.getOrCreate<LineSymbol>()->stroke()->width() = 2;
style.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
style.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
style.getOrCreate<RenderSymbol>()->lighting() = false;
Feature* feature = new Feature(collection.get(), layer->getProfile()->getSRS(), style);
FeatureNode* node = new FeatureNode( mapNode, feature );
_annos->addChild( node );
}
// label:
std::string text =
!layer->getName().empty()? layer->getName() :
Stringify() << "Layer " << layer->getUID();
{
Style style;
TextSymbol* ts = style.getOrCreate<TextSymbol>();
ts->halo()->color().set(0,0,0,1);
ts->declutter() = true;
ts->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
osg::Vec2d center = collection->getBounds().center2d();
GeoPoint position(layer->getProfile()->getSRS(), center.x(), center.y(), 0.0, ALTMODE_ABSOLUTE);
LabelNode* label = new LabelNode(mapNode, position, text, style);
_annos->addChild( label );
}
unsigned r = this->getNumRows();
setControl(0, r, new ui::LabelControl(text, color));
}
}
//
// NOTE: run this sample from the repo/tests directory.
//
int main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
bool useRaster = arguments.read("--rasterize");
bool useOverlay = arguments.read("--overlay");
bool useStencil = arguments.read("--stencil");
bool useMem = arguments.read("--mem");
bool useLabels = arguments.read("--labels");
osgViewer::Viewer viewer(arguments);
// Start by creating the map:
Map* map = new Map();
// Start with a basemap imagery layer; we'll be using the GDAL driver
// to load a local GeoTIFF file:
GDALOptions basemapOpt;
basemapOpt.url() = "../data/world.tif";
map->addImageLayer( new ImageLayer( ImageLayerOptions("basemap", basemapOpt) ) );
// Next we add a feature layer. First configure a feature driver to
// load the vectors from a shapefile:
OGRFeatureOptions featureOpt;
if ( !useMem )
{
featureOpt.url() = "../data/usa.shp";
}
else
{
Ring* line = new Ring();
line->push_back( osg::Vec3d(-60, 20, 0) );
line->push_back( osg::Vec3d(-120, 20, 0) );
line->push_back( osg::Vec3d(-120, 60, 0) );
line->push_back( osg::Vec3d(-60, 60, 0) );
featureOpt.geometry() = line;
}
// Define a style for the feature data. Since we are going to render the
// vectors as lines, configure the line symbolizer:
Style style;
LineSymbol* ls = style.getOrCreateSymbol<LineSymbol>();
ls->stroke()->color() = osg::Vec4f( 1,1,0,1 ); // yellow
ls->stroke()->width() = 2.0f;
// Add some text labels.
if ( useLabels )
{
TextSymbol* text = style.getOrCreateSymbol<TextSymbol>();
text->provider() = "overlay";
text->content() = StringExpression( "[name]" );
text->priority() = NumericExpression( "[area]" );
text->removeDuplicateLabels() = true;
text->size() = 16.0f;
text->fill()->color() = Color::White;
text->halo()->color() = Color::DarkGray;
}
// That's it, the map is ready; now create a MapNode to render the Map:
MapNodeOptions mapNodeOptions;
mapNodeOptions.enableLighting() = false;
MapNode* mapNode = new MapNode( map, mapNodeOptions );
// Now we'll choose the AGG-Lite driver to render the features. By the way, the
// feature data is actually polygons, so we override that to treat it as lines.
// We apply the feature driver and set the style as well.
if (useStencil)
{
FeatureStencilModelOptions worldOpt;
worldOpt.featureOptions() = featureOpt;
worldOpt.geometryTypeOverride() = Geometry::TYPE_LINESTRING;
worldOpt.styles() = new StyleSheet();
worldOpt.styles()->addStyle( style );
worldOpt.enableLighting() = false;
worldOpt.depthTestEnabled() = false;
map->addModelLayer( new ModelLayer( "my features", worldOpt ) );
}
else if (useRaster)
{
AGGLiteOptions worldOpt;
worldOpt.featureOptions() = featureOpt;
worldOpt.geometryTypeOverride() = Geometry::TYPE_LINESTRING;
worldOpt.styles() = new StyleSheet();
worldOpt.styles()->addStyle( style );
map->addImageLayer( new ImageLayer( ImageLayerOptions("world", worldOpt) ) );
}
else //if (useGeom || useOverlay)
{
FeatureGeomModelOptions worldOpt;
worldOpt.featureOptions() = featureOpt;
worldOpt.geometryTypeOverride() = Geometry::TYPE_LINESTRING;
worldOpt.styles() = new StyleSheet();
worldOpt.styles()->addStyle( style );
worldOpt.enableLighting() = false;
worldOpt.depthTestEnabled() = false;
ModelLayerOptions options( "my features", worldOpt );
options.overlay() = useOverlay;
map->addModelLayer( new ModelLayer(options) );
}
viewer.setSceneData( mapNode );
viewer.setCameraManipulator( new EarthManipulator() );
if ( !useStencil && !useOverlay )
viewer.addEventHandler( new osgEarth::Util::AutoClipPlaneHandler );
// add some stock OSG handlers:
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
return viewer.run();
}
void
KML_Placemark::build( const Config& conf, KMLContext& cx )
{
Style masterStyle;
if ( conf.hasValue("styleurl") )
{
// process a "stylesheet" style
const Style* ref_style = cx._sheet->getStyle( conf.value("styleurl"), false );
if ( ref_style )
masterStyle = *ref_style;
}
else if ( conf.hasChild("style") )
{
// process an "inline" style
KML_Style kmlStyle;
kmlStyle.scan( conf.child("style"), cx );
masterStyle = cx._activeStyle;
}
// parse the geometry. the placemark must have geometry to be valid. The
// geometry parse may optionally specify an altitude mode as well.
KML_Geometry geometry;
geometry.build(conf, cx, masterStyle);
Geometry* allGeom = geometry._geom.get();
if ( allGeom )
{
GeometryIterator giter( allGeom, false );
while( giter.hasMore() )
{
Geometry* geom = giter.next();
Style style = masterStyle;
// KML's default altitude mode is clampToGround.
AltitudeMode altMode = ALTMODE_RELATIVE;
AltitudeSymbol* altSym = style.get<AltitudeSymbol>();
if ( !altSym )
{
altSym = style.getOrCreate<AltitudeSymbol>();
altSym->clamping() = AltitudeSymbol::CLAMP_RELATIVE_TO_TERRAIN;
altSym->technique() = AltitudeSymbol::TECHNIQUE_SCENE;
}
else if ( !altSym->clamping().isSetTo(AltitudeSymbol::CLAMP_RELATIVE_TO_TERRAIN) )
{
altMode = ALTMODE_ABSOLUTE;
}
if ( geom && geom->getTotalPointCount() > 0 )
{
GeoPoint position(cx._srs.get(), geom->getBounds().center(), altMode);
bool isPoly = geom->getComponentType() == Geometry::TYPE_POLYGON;
bool isPoint = geom->getComponentType() == Geometry::TYPE_POINTSET;
// check for symbols.
ModelSymbol* model = style.get<ModelSymbol>();
IconSymbol* icon = style.get<IconSymbol>();
TextSymbol* text = style.get<TextSymbol>();
if ( !text && cx._options->defaultTextSymbol().valid() )
text = cx._options->defaultTextSymbol().get();
// the annotation name:
std::string name = conf.hasValue("name") ? conf.value("name") : "";
if ( text && !name.empty() )
{
text->content()->setLiteral( name );
}
AnnotationNode* featureNode = 0L;
AnnotationNode* iconNode = 0L;
AnnotationNode* modelNode = 0L;
// one coordinate? It's a place marker or a label.
if ( model || icon || text || geom->getTotalPointCount() == 1 )
{
// load up the default icon if there we don't have one.
if ( !model && !icon )
{
icon = cx._options->defaultIconSymbol().get();
if ( icon )
style.add( icon );
}
// if there's a model, render that - models do NOT get labels.
if ( model )
{
ModelNode* node = new ModelNode( cx._mapNode, style, cx._dbOptions );
node->setPosition( position );
if ( cx._options->modelScale() != 1.0f )
{
float s = *cx._options->modelScale();
node->setScale( osg::Vec3f(s,s,s) );
}
if ( !cx._options->modelRotation()->zeroRotation() )
{
node->setLocalRotation( *cx._options->modelRotation() );
}
modelNode = node;
}
else if ( !text && !name.empty() )
{
text = style.getOrCreate<TextSymbol>();
text->content()->setLiteral( name );
}
if ( icon )
{
iconNode = new PlaceNode( cx._mapNode, position, style, cx._dbOptions );
}
else if ( !model && text && !name.empty() )
{
// note: models do not get labels.
iconNode = new LabelNode( cx._mapNode, position, style );
}
}
// multiple coords? feature:
if ( geom->getTotalPointCount() > 1 )
{
ExtrusionSymbol* extruded = style.get<ExtrusionSymbol>();
AltitudeSymbol* altitude = style.get<AltitudeSymbol>();
// Remove symbols that we have already processed so the geometry
// compiler doesn't get confused.
if ( model )
style.removeSymbol( model );
if ( icon )
style.removeSymbol( icon );
if ( text )
style.removeSymbol( text );
// analyze the data; if the Z coords are all 0.0, enable draping.
if ( /*isPoly &&*/ !extruded && altitude && altitude->clamping() != AltitudeSymbol::CLAMP_TO_TERRAIN )
{
bool zeroElev = true;
ConstGeometryIterator gi( geom, false );
while( zeroElev == true && gi.hasMore() )
{
const Geometry* g = gi.next();
for( Geometry::const_iterator ji = g->begin(); ji != g->end() && zeroElev == true; ++ji )
{
if ( !osg::equivalent(ji->z(), 0.0) )
zeroElev = false;
}
}
if ( zeroElev )
{
altitude->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
altitude->technique() = AltitudeSymbol::TECHNIQUE_GPU;
}
}
// Make a feature node; drape if we're not extruding.
bool draped =
isPoly &&
!extruded &&
(!altitude || altitude->clamping() == AltitudeSymbol::CLAMP_TO_TERRAIN);
if ( draped && style.get<LineSymbol>() && !style.get<PolygonSymbol>() )
{
draped = false;
}
// turn off the clamping if we're draping.
if ( draped && altitude )
{
altitude->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
}
GeometryCompilerOptions compilerOptions;
// Check for point-model substitution:
if ( style.has<ModelSymbol>() )
{
compilerOptions.instancing() = true;
}
Feature* feature = new Feature(geom, cx._srs.get(), style);
featureNode = new FeatureNode( cx._mapNode, feature, draped, compilerOptions );
}
// assemble the results:
if ( (iconNode || modelNode) && featureNode )
{
osg::Group* group = new osg::Group();
group->addChild( featureNode );
if ( iconNode )
group->addChild( iconNode );
if ( modelNode )
group->addChild( modelNode );
cx._groupStack.top()->addChild( group );
if ( iconNode && cx._options->declutter() == true )
Decluttering::setEnabled( iconNode->getOrCreateStateSet(), true );
if ( iconNode )
KML_Feature::build( conf, cx, iconNode );
if ( modelNode )
KML_Feature::build( conf, cx, modelNode );
if ( featureNode )
KML_Feature::build( conf, cx, featureNode );
}
else
{
if ( iconNode )
{
if ( cx._options->iconAndLabelGroup().valid() )
{
cx._options->iconAndLabelGroup()->addChild( iconNode );
}
else
{
cx._groupStack.top()->addChild( iconNode );
if ( cx._options->declutter() == true )
Decluttering::setEnabled( iconNode->getOrCreateStateSet(), true );
}
KML_Feature::build( conf, cx, iconNode );
}
if ( modelNode )
{
cx._groupStack.top()->addChild( modelNode );
KML_Feature::build( conf, cx, modelNode );
}
if ( featureNode )
{
cx._groupStack.top()->addChild( featureNode );
KML_Feature::build( conf, cx, featureNode );
}
}
}
}
}
}
void
PlaceNode::init()
{
Decluttering::setEnabled( this->getOrCreateStateSet(), true );
//reset.
//this->clearDecoration();
getPositionAttitudeTransform()->removeChildren(0, getPositionAttitudeTransform()->getNumChildren());
_geode = new osg::Geode();
// ensure that (0,0,0) is the bounding sphere control/center point.
// useful for things like horizon culling.
_geode->setComputeBoundingSphereCallback(new ControlPointCallback());
osg::Drawable* text = 0L;
// If there's no explicit text, look to the text symbol for content.
if ( _text.empty() && _style.has<TextSymbol>() )
{
_text = _style.get<TextSymbol>()->content()->eval();
}
osg::ref_ptr<const InstanceSymbol> instance = _style.get<InstanceSymbol>();
// backwards compability, support for deprecated MarkerSymbol
if ( !instance.valid() && _style.has<MarkerSymbol>() )
{
instance = _style.get<MarkerSymbol>()->convertToInstanceSymbol();
}
const IconSymbol* icon = instance->asIcon();
if ( !_image.valid() )
{
URI imageURI;
if ( icon )
{
if ( icon->url().isSet() )
{
imageURI = icon->url()->evalURI();
}
else if (icon->getImage())
{
_image = icon->getImage();
}
}
if ( !imageURI.empty() )
{
_image = imageURI.getImage( _dbOptions.get() );
}
}
osg::BoundingBox imageBox(0,0,0,0,0,0);
// found an image; now format it:
if ( _image.get() )
{
// Scale the icon if necessary
double scale = 1.0;
if ( icon && icon->scale().isSet() )
{
scale = icon->scale()->eval();
}
double s = scale * _image->s();
double t = scale * _image->t();
// this offset anchors the image at the bottom
osg::Vec2s offset;
if ( !icon || !icon->alignment().isSet() )
{
// default to bottom center
offset.set(0.0, t / 2.0);
}
else
{ // default to bottom center
switch (icon->alignment().value())
{
case IconSymbol::ALIGN_LEFT_TOP:
offset.set((s / 2.0), -(t / 2.0));
break;
case IconSymbol::ALIGN_LEFT_CENTER:
offset.set((s / 2.0), 0.0);
break;
case IconSymbol::ALIGN_LEFT_BOTTOM:
offset.set((s / 2.0), (t / 2.0));
break;
case IconSymbol::ALIGN_CENTER_TOP:
offset.set(0.0, -(t / 2.0));
break;
case IconSymbol::ALIGN_CENTER_CENTER:
offset.set(0.0, 0.0);
break;
case IconSymbol::ALIGN_CENTER_BOTTOM:
default:
offset.set(0.0, (t / 2.0));
break;
case IconSymbol::ALIGN_RIGHT_TOP:
offset.set(-(s / 2.0), -(t / 2.0));
break;
case IconSymbol::ALIGN_RIGHT_CENTER:
offset.set(-(s / 2.0), 0.0);
break;
case IconSymbol::ALIGN_RIGHT_BOTTOM:
offset.set(-(s / 2.0), (t / 2.0));
break;
}
}
// Apply a rotation to the marker if requested:
double heading = 0.0;
if ( icon && icon->heading().isSet() )
{
heading = osg::DegreesToRadians( icon->heading()->eval() );
}
//We must actually rotate the geometry itself and not use a MatrixTransform b/c the
//decluttering doesn't respect Transforms above the drawable.
osg::Geometry* imageGeom = AnnotationUtils::createImageGeometry( _image.get(), offset, 0, heading, scale );
if ( imageGeom )
{
_geode->addDrawable( imageGeom );
imageBox = imageGeom->getBoundingBox();
}
}
if ( _image.valid() )
{
TextSymbol* textSymbol = _style.getOrCreate<TextSymbol>();
if ( !textSymbol->alignment().isSet() )
textSymbol->alignment() = textSymbol->ALIGN_LEFT_CENTER;
}
text = AnnotationUtils::createTextDrawable(
_text,
_style.get<TextSymbol>(),
imageBox );
if ( text )
_geode->addDrawable( text );
osg::StateSet* stateSet = _geode->getOrCreateStateSet();
stateSet->setAttributeAndModes( new osg::Depth(osg::Depth::ALWAYS, 0, 1, false), 1 );
getPositionAttitudeTransform()->addChild( _geode );
// for clamping and occlusion culling
//OE_WARN << LC << "PlaceNode::applyStyle: " << _style.getConfig().toJSON(true) << std::endl;
applyStyle( _style );
setLightingIfNotSet( false );
// generate shaders:
Registry::shaderGenerator().run(
this,
"osgEarth.PlaceNode",
Registry::stateSetCache() );
setPriority(getPriority());
if ( _dynamic )
setDynamic( _dynamic );
}
osg::Node*
MGRSGraticule::buildSQIDTiles( const std::string& gzd )
{
const GeoExtent& extent = _gzd[gzd];
// parse the GZD into its components:
unsigned zone;
char letter;
sscanf( gzd.c_str(), "%u%c", &zone, &letter );
TextSymbol* textSym = _options->secondaryStyle()->get<TextSymbol>();
if ( !textSym )
textSym = _options->primaryStyle()->getOrCreate<TextSymbol>();
AltitudeSymbol* alt = _options->secondaryStyle()->get<AltitudeSymbol>();
double h = 0.0;
TextSymbolizer ts( textSym );
MGRSFormatter mgrs(MGRSFormatter::PRECISION_100000M);
osg::Geode* textGeode = new osg::Geode();
textGeode->getOrCreateStateSet()->setRenderBinDetails( 9999, "DepthSortedBin" );
textGeode->getOrCreateStateSet()->setAttributeAndModes( _depthAttribute, 1 );
const SpatialReference* ecefSRS = extent.getSRS()->getECEF();
osg::Vec3d centerMap, centerECEF;
extent.getCentroid(centerMap.x(), centerMap.y());
extent.getSRS()->transform(centerMap, ecefSRS, centerECEF);
//extent.getSRS()->transformToECEF(centerMap, centerECEF);
osg::Matrix local2world;
ecefSRS->createLocalToWorld( centerECEF, local2world ); //= ECEF::createLocalToWorld(centerECEF);
osg::Matrix world2local;
world2local.invert(local2world);
FeatureList features;
std::vector<GeoExtent> sqidExtents;
// UTM:
if ( letter > 'B' && letter < 'Y' )
{
// grab the SRS for the current UTM zone:
// TODO: AL/AA designation??
const SpatialReference* utm = SpatialReference::create(
Stringify() << "+proj=utm +zone=" << zone << " +north +units=m" );
// transform the four corners of the tile to UTM.
osg::Vec3d gzdUtmSW, gzdUtmSE, gzdUtmNW, gzdUtmNE;
extent.getSRS()->transform( osg::Vec3d(extent.xMin(),extent.yMin(),h), utm, gzdUtmSW );
extent.getSRS()->transform( osg::Vec3d(extent.xMin(),extent.yMax(),h), utm, gzdUtmNW );
extent.getSRS()->transform( osg::Vec3d(extent.xMax(),extent.yMin(),h), utm, gzdUtmSE );
extent.getSRS()->transform( osg::Vec3d(extent.xMax(),extent.yMax(),h), utm, gzdUtmNE );
// find the southern boundary of the first full SQID tile in the GZD tile.
double southSQIDBoundary = gzdUtmSW.y(); //extentUTM.yMin();
double remainder = fmod( southSQIDBoundary, 100000.0 );
if ( remainder > 0.0 )
southSQIDBoundary += (100000.0 - remainder);
// find the min/max X for this cell in UTM:
double xmin = extent.yMin() >= 0.0 ? gzdUtmSW.x() : gzdUtmNW.x();
double xmax = extent.yMin() >= 0.0 ? gzdUtmSE.x() : gzdUtmNE.x();
// Record the UTM extent of each SQID cell in this tile.
// Go from the south boundary northwards:
for( double y = southSQIDBoundary; y < gzdUtmNW.y(); y += 100000.0 )
{
// start at the central meridian (500K) and go west:
for( double x = 500000.0; x > xmin; x -= 100000.0 )
{
sqidExtents.push_back( GeoExtent(utm, x-100000.0, y, x, y+100000.0) );
}
// then start at the central meridian and go east:
for( double x = 500000.0; x < xmax; x += 100000.0 )
{
sqidExtents.push_back( GeoExtent(utm, x, y, x+100000.0, y+100000.0) );
}
}
for( std::vector<GeoExtent>::iterator i = sqidExtents.begin(); i != sqidExtents.end(); ++i )
{
GeoExtent utmEx = *i;
// now, clamp each of the points in the UTM SQID extent to the map-space
// boundaries of the GZD tile. (We only need to clamp in the X dimension,
// Y geometry is allowed to overflow.) Also, skip NE, we don't need it.
double r, xlimit;
osg::Vec3d sw(utmEx.xMin(), utmEx.yMin(), 0);
r = (sw.y()-gzdUtmSW.y())/(gzdUtmNW.y()-gzdUtmSW.y());
xlimit = gzdUtmSW.x() + r * (gzdUtmNW.x() - gzdUtmSW.x());
if ( sw.x() < xlimit ) sw.x() = xlimit;
osg::Vec3d nw(utmEx.xMin(), utmEx.yMax(), 0);
r = (nw.y()-gzdUtmSW.y())/(gzdUtmNW.y()-gzdUtmSW.y());
xlimit = gzdUtmSW.x() + r * (gzdUtmNW.x() - gzdUtmSW.x());
if ( nw.x() < xlimit ) nw.x() = xlimit;
osg::Vec3d se(utmEx.xMax(), utmEx.yMin(), 0);
r = (se.y()-gzdUtmSE.y())/(gzdUtmNE.y()-gzdUtmSE.y());
xlimit = gzdUtmSE.x() + r * (gzdUtmNE.x() - gzdUtmSE.x());
if ( se.x() > xlimit ) se.x() = xlimit;
// at the northernmost GZD (lateral band X), clamp the northernmost SQIDs to the upper latitude.
if ( letter == 'X' && nw.y() > gzdUtmNW.y() )
nw.y() = gzdUtmNW.y();
// need this in order to calculate the font size:
double utmWidth = se.x() - sw.x();
// now transform the corner points back into the map SRS:
utm->transform( sw, extent.getSRS(), sw );
utm->transform( nw, extent.getSRS(), nw );
utm->transform( se, extent.getSRS(), se );
// and draw valid sqid geometry.
if ( sw.x() < se.x() )
{
Feature* lat = new Feature(new LineString(2), extent.getSRS());
lat->geoInterp() = GEOINTERP_RHUMB_LINE;
lat->getGeometry()->push_back( sw );
lat->getGeometry()->push_back( se );
features.push_back(lat);
Feature* lon = new Feature(new LineString(2), extent.getSRS());
lon->geoInterp() = GEOINTERP_GREAT_CIRCLE;
lon->getGeometry()->push_back( sw );
lon->getGeometry()->push_back( nw );
features.push_back(lon);
// and the text label:
osg::Vec3d sqidTextMap = (nw + se) * 0.5;
sqidTextMap.z() += 1000.0;
osg::Vec3d sqidTextECEF;
extent.getSRS()->transform(sqidTextMap, ecefSRS, sqidTextECEF);
//extent.getSRS()->transformToECEF(sqidTextMap, sqidTextECEF);
osg::Vec3d sqidLocal;
sqidLocal = sqidTextECEF * world2local;
MGRSCoord mgrsCoord;
if ( mgrs.transform( GeoPoint(extent.getSRS(),sqidTextMap,ALTMODE_ABSOLUTE), mgrsCoord) )
{
textSym->size() = utmWidth/3.0;
osgText::Text* d = ts.create( mgrsCoord.sqid );
osg::Matrixd textLocal2World;
ecefSRS->createLocalToWorld( sqidTextECEF, textLocal2World );
d->setPosition( sqidLocal );
textGeode->addDrawable( d );
}
}
}
}
else if ( letter == 'A' || letter == 'B' )
{
// SRS for south polar region UPS projection. This projection has (0,0) at the
// south pole, with +X extending towards 90 degrees E longitude and +Y towards
// 0 degrees longitude.
const SpatialReference* ups = SpatialReference::create(
"+proj=stere +lat_ts=-90 +lat_0=-90 +lon_0=0 +k_0=1 +x_0=0 +y_0=0");
osg::Vec3d gtemp;
double r = GeoMath::distance(-osg::PI_2, 0.0, -1.3962634, 0.0); // -90 => -80 latitude
double r2 = r*r;
if ( letter == 'A' )
{
for( double x = 0.0; x < 1200000.0; x += 100000.0 )
{
double yminmax = sqrt( r2 - x*x );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d(-x, -yminmax, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d(-x, yminmax, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double y = -1100000.0; y < 1200000.0; y += 100000.0 )
{
double xmax = sqrt( r2 - y*y );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d(-xmax, y, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d( 0, y, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double x = -1200000.0; x < 0.0; x += 100000.0 )
{
for( double y = -1200000.0; y < 1200000.0; y += 100000.0 )
{
osg::Vec3d sqidTextMap;
ups->transform( osg::Vec3d(x+50000.0, y+50000.0, 0), extent.getSRS(), sqidTextMap);
if ( sqidTextMap.y() < -80.0 )
{
sqidTextMap.z() += 1000.0;
osg::Vec3d sqidTextECEF;
extent.getSRS()->transform(sqidTextMap, ecefSRS, sqidTextECEF);
//extent.getSRS()->transformToECEF(sqidTextMap, sqidTextECEF);
osg::Vec3d sqidLocal = sqidTextECEF * world2local;
MGRSCoord mgrsCoord;
if ( mgrs.transform( GeoPoint(extent.getSRS(),sqidTextMap,ALTMODE_ABSOLUTE), mgrsCoord) )
{
textSym->size() = 33000.0;
osgText::Text* d = ts.create( mgrsCoord.sqid );
osg::Matrixd textLocal2World;
ecefSRS->createLocalToWorld( sqidTextECEF, textLocal2World );
d->setPosition( sqidLocal );
textGeode->addDrawable( d );
}
}
}
}
}
else if ( letter == 'B' )
{
for( double x = 100000.0; x < 1200000.0; x += 100000.0 )
{
double yminmax = sqrt( r2 - x*x );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d(x, -yminmax, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d(x, yminmax, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double y = -1100000.0; y < 1200000.0; y += 100000.0 )
{
double xmax = sqrt( r2 - y*y );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d( 0, y, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d( xmax, y, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double x = 0.0; x < 1200000.0; x += 100000.0 )
{
for( double y = -1200000.0; y < 1200000.0; y += 100000.0 )
{
osg::Vec3d sqidTextMap;
ups->transform( osg::Vec3d(x+50000.0, y+50000.0, 0), extent.getSRS(), sqidTextMap);
if ( sqidTextMap.y() < -80.0 )
{
sqidTextMap.z() += 1000.0;
osg::Vec3d sqidTextECEF;
extent.getSRS()->transform(sqidTextMap, ecefSRS, sqidTextECEF);
//extent.getSRS()->transformToECEF(sqidTextMap, sqidTextECEF);
osg::Vec3d sqidLocal = sqidTextECEF * world2local;
MGRSCoord mgrsCoord;
if ( mgrs.transform( GeoPoint(extent.getSRS(),sqidTextMap,ALTMODE_ABSOLUTE), mgrsCoord) )
{
textSym->size() = 33000.0;
osgText::Text* d = ts.create( mgrsCoord.sqid );
osg::Matrixd textLocal2World;
ecefSRS->createLocalToWorld( sqidTextECEF, textLocal2World );
d->setPosition( sqidLocal );
textGeode->addDrawable( d );
}
}
}
}
}
}
else if ( letter == 'Y' || letter == 'Z' )
{
// SRS for north polar region UPS projection. This projection has (0,0) at the
// south pole, with +X extending towards 90 degrees E longitude and +Y towards
// 180 degrees longitude.
const SpatialReference* ups = SpatialReference::create(
"+proj=stere +lat_ts=90 +lat_0=90 +lon_0=0 +k_0=1 +x_0=0 +y_0=0");
osg::Vec3d gtemp;
double r = GeoMath::distance(osg::PI_2, 0.0, 1.46607657, 0.0); // 90 -> 84 latitude
double r2 = r*r;
if ( letter == 'Y' )
{
for( double x = 0.0; x < 700000.0; x += 100000.0 )
{
double yminmax = sqrt( r2 - x*x );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d(-x, -yminmax, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d(-x, yminmax, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double y = -600000.0; y < 700000.0; y += 100000.0 )
{
double xmax = sqrt( r2 - y*y );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d(-xmax, y, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d( 0, y, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double x = -700000.0; x < 0.0; x += 100000.0 )
{
for( double y = -700000.0; y < 700000.0; y += 100000.0 )
{
osg::Vec3d sqidTextMap;
ups->transform( osg::Vec3d(x+50000.0, y+50000.0, 0), extent.getSRS(), sqidTextMap);
if ( sqidTextMap.y() > 84.0 )
{
sqidTextMap.z() += 1000.0;
osg::Vec3d sqidTextECEF;
extent.getSRS()->transform(sqidTextMap, ecefSRS, sqidTextECEF);
//extent.getSRS()->transformToECEF(sqidTextMap, sqidTextECEF);
osg::Vec3d sqidLocal = sqidTextECEF * world2local;
MGRSCoord mgrsCoord;
if ( mgrs.transform( GeoPoint(extent.getSRS(),sqidTextMap,ALTMODE_ABSOLUTE), mgrsCoord) )
{
textSym->size() = 33000.0;
osgText::Text* d = ts.create( mgrsCoord.sqid );
osg::Matrixd textLocal2World;
ecefSRS->createLocalToWorld( sqidTextECEF, textLocal2World );
d->setPosition( sqidLocal );
textGeode->addDrawable( d );
}
}
}
}
}
else if ( letter == 'Z' )
{
for( double x = 100000.0; x < 700000.0; x += 100000.0 )
{
double yminmax = sqrt( r2 - x*x );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d(x, -yminmax, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d(x, yminmax, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double y = -600000.0; y < 700000.0; y += 100000.0 )
{
double xmax = sqrt( r2 - y*y );
Feature* f = new Feature( new LineString(2), extent.getSRS() );
f->geoInterp() = GEOINTERP_GREAT_CIRCLE;
osg::Vec3d p0, p1;
ups->transform( osg::Vec3d( 0, y, 0), extent.getSRS(), p0 );
ups->transform( osg::Vec3d( xmax, y, 0), extent.getSRS(), p1 );
f->getGeometry()->push_back( p0 );
f->getGeometry()->push_back( p1 );
features.push_back( f );
}
for( double x = 0.0; x < 700000.0; x += 100000.0 )
{
for( double y = -700000.0; y < 700000.0; y += 100000.0 )
{
osg::Vec3d sqidTextMap;
ups->transform( osg::Vec3d(x+50000.0, y+50000.0, 0), extent.getSRS(), sqidTextMap);
if ( sqidTextMap.y() > 84.0 )
{
sqidTextMap.z() += 1000.0;
osg::Vec3d sqidTextECEF;
extent.getSRS()->transform(sqidTextMap, ecefSRS, sqidTextECEF);
//extent.getSRS()->transformToECEF(sqidTextMap, sqidTextECEF);
osg::Vec3d sqidLocal = sqidTextECEF * world2local;
MGRSCoord mgrsCoord;
if ( mgrs.transform( GeoPoint(extent.getSRS(),sqidTextMap,ALTMODE_ABSOLUTE), mgrsCoord) )
{
textSym->size() = 33000.0;
osgText::Text* d = ts.create( mgrsCoord.sqid );
osg::Matrixd textLocal2World;
ecefSRS->createLocalToWorld( sqidTextECEF, textLocal2World );
d->setPosition( sqidLocal );
textGeode->addDrawable( d );
}
}
}
}
}
}
osg::Group* group = new osg::Group();
Style lineStyle;
lineStyle.add( _options->secondaryStyle()->get<LineSymbol>() );
lineStyle.add( _options->secondaryStyle()->get<AltitudeSymbol>() );
GeometryCompiler compiler;
osg::ref_ptr<Session> session = new Session( getMapNode()->getMap() );
FilterContext context( session.get(), _featureProfile.get(), extent );
// make sure we get sufficient tessellation:
compiler.options().maxGranularity() = 0.25;
osg::Node* geomNode = compiler.compile(features, lineStyle, context);
if ( geomNode )
group->addChild( geomNode );
osg::MatrixTransform* mt = new osg::MatrixTransform(local2world);
mt->addChild(textGeode);
group->addChild( mt );
// prep for depth offset:
DepthOffsetUtils::prepareGraph( group );
group->getOrCreateStateSet()->addUniform( _minDepthOffset.get() );
return group;
}
//
// NOTE: run this sample from the repo/tests directory.
//
int main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
if ( arguments.read("--help") )
return usage( argv[0] );
bool useRaster = arguments.read("--rasterize");
bool useOverlay = arguments.read("--overlay");
bool useStencil = arguments.read("--stencil");
bool useMem = arguments.read("--mem");
bool useLabels = arguments.read("--labels");
if ( useStencil )
osg::DisplaySettings::instance()->setMinimumNumStencilBits( 8 );
osgViewer::Viewer viewer(arguments);
// Start by creating the map:
Map* map = new Map();
// Start with a basemap imagery layer; we'll be using the GDAL driver
// to load a local GeoTIFF file:
GDALOptions basemapOpt;
basemapOpt.url() = "../data/world.tif";
map->addImageLayer( new ImageLayer( ImageLayerOptions("basemap", basemapOpt) ) );
// Next we add a feature layer.
OGRFeatureOptions featureOptions;
if ( !useMem )
{
// Configures the feature driver to load the vectors from a shapefile:
featureOptions.url() = "../data/world.shp";
}
else
{
// the --mem options tells us to just make an in-memory geometry:
Ring* line = new Ring();
line->push_back( osg::Vec3d(-60, 20, 0) );
line->push_back( osg::Vec3d(-120, 20, 0) );
line->push_back( osg::Vec3d(-120, 60, 0) );
line->push_back( osg::Vec3d(-60, 60, 0) );
featureOptions.geometry() = line;
}
// Define a style for the feature data. Since we are going to render the
// vectors as lines, configure the line symbolizer:
Style style;
LineSymbol* ls = style.getOrCreateSymbol<LineSymbol>();
ls->stroke()->color() = Color::Yellow;
ls->stroke()->width() = 2.0f;
// That's it, the map is ready; now create a MapNode to render the Map:
MapNodeOptions mapNodeOptions;
mapNodeOptions.enableLighting() = false;
MapNode* mapNode = new MapNode( map, mapNodeOptions );
osg::Group* root = new osg::Group();
root->addChild( mapNode );
viewer.setSceneData( root );
viewer.setCameraManipulator( new EarthManipulator() );
// Process cmdline args
MapNodeHelper().parse(mapNode, arguments, &viewer, root, new LabelControl("Features Demo"));
if (useStencil)
{
FeatureStencilModelOptions stencilOptions;
stencilOptions.featureOptions() = featureOptions;
stencilOptions.styles() = new StyleSheet();
stencilOptions.styles()->addStyle( style );
stencilOptions.enableLighting() = false;
stencilOptions.depthTestEnabled() = false;
ls->stroke()->width() = 0.1f;
map->addModelLayer( new ModelLayer("my features", stencilOptions) );
}
else if (useRaster)
{
AGGLiteOptions rasterOptions;
rasterOptions.featureOptions() = featureOptions;
rasterOptions.styles() = new StyleSheet();
rasterOptions.styles()->addStyle( style );
map->addImageLayer( new ImageLayer("my features", rasterOptions) );
}
else //if (useGeom || useOverlay)
{
FeatureGeomModelOptions geomOptions;
geomOptions.featureOptions() = featureOptions;
geomOptions.styles() = new StyleSheet();
geomOptions.styles()->addStyle( style );
geomOptions.enableLighting() = false;
ModelLayerOptions layerOptions( "my features", geomOptions );
map->addModelLayer( new ModelLayer(layerOptions) );
}
if ( useLabels )
{
// set up symbology for drawing labels. We're pulling the label
// text from the name attribute, and its draw priority from the
// population attribute.
Style labelStyle;
TextSymbol* text = labelStyle.getOrCreateSymbol<TextSymbol>();
text->content() = StringExpression( "[cntry_name]" );
text->priority() = NumericExpression( "[pop_cntry]" );
text->removeDuplicateLabels() = true;
text->size() = 16.0f;
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
text->fill()->color() = Color::White;
text->halo()->color() = Color::DarkGray;
// and configure a model layer:
FeatureGeomModelOptions geomOptions;
geomOptions.featureOptions() = featureOptions;
geomOptions.styles() = new StyleSheet();
geomOptions.styles()->addStyle( labelStyle );
map->addModelLayer( new ModelLayer("labels", geomOptions) );
}
if ( !useStencil )
viewer.getCamera()->addCullCallback( new osgEarth::Util::AutoClipPlaneCullCallback(mapNode) );
// add some stock OSG handlers:
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
return viewer.run();
}
void
KML_Placemark::build( xml_node<>* node, KMLContext& cx )
{
Style masterStyle;
std::string styleUrl = getValue(node, "styleurl");
if (!styleUrl.empty())
{ // process a "stylesheet" style
const Style* ref_style = cx._sheet->getStyle( styleUrl, false );
if (ref_style)
{
masterStyle = masterStyle.combineWith(*ref_style);
}
}
xml_node<>* style = node->first_node("style", 0, false);
if ( style )
{ // process an "inline" style
KML_Style kmlStyle;
kmlStyle.scan(style, cx);
masterStyle = masterStyle.combineWith(cx._activeStyle);
}
// parse the geometry. the placemark must have geometry to be valid. The
// geometry parse may optionally specify an altitude mode as well.
KML_Geometry geometry;
geometry.build(node, cx, masterStyle);
Geometry* allGeom = geometry._geom.get();
if ( allGeom )
{
GeometryIterator giter( allGeom, false );
while( giter.hasMore() )
{
Geometry* geom = giter.next();
Style style = masterStyle;
AltitudeSymbol* alt = style.get<AltitudeSymbol>();
if ( geom && geom->getTotalPointCount() > 0 )
{
// resolve the proper altitude mode for the anchor point
AltitudeMode altMode = ALTMODE_RELATIVE;
if (alt &&
!alt->clamping().isSetTo( alt->CLAMP_TO_TERRAIN ) &&
!alt->clamping().isSetTo( alt->CLAMP_RELATIVE_TO_TERRAIN ) )
{
altMode = ALTMODE_ABSOLUTE;
}
GeoPoint position(cx._srs.get(), geom->getBounds().center(), altMode);
bool isPoly = geom->getComponentType() == Geometry::TYPE_POLYGON;
bool isPoint = geom->getComponentType() == Geometry::TYPE_POINTSET;
// check for symbols.
ModelSymbol* model = style.get<ModelSymbol>();
IconSymbol* icon = style.get<IconSymbol>();
TextSymbol* text = style.get<TextSymbol>();
// the annotation name:
std::string name = getValue(node, "name");
AnnotationNode* featureNode = 0L;
AnnotationNode* iconNode = 0L;
AnnotationNode* modelNode = 0L;
// one coordinate? It's a place marker or a label.
if ( (model || icon || text) && geom->getTotalPointCount() == 1 )
{
// load up the default icon if there we don't have one.
if ( !model && !icon )
{
icon = cx._options->defaultIconSymbol().get();
if ( icon )
style.add( icon );
}
// if there's a model, render that - models do NOT get labels.
if ( model )
{
ModelNode* node = new ModelNode( cx._mapNode, style, cx._dbOptions );
node->setPosition( position );
// model scale:
if ( cx._options->modelScale() != 1.0f )
{
float s = *cx._options->modelScale();
node->setScale( osg::Vec3f(s,s,s) );
}
// model local tangent plane rotation:
if ( !cx._options->modelRotation()->zeroRotation() )
{
node->setLocalRotation( *cx._options->modelRotation() );
}
modelNode = node;
}
// is there a label?
else if ( !name.empty() )
{
if ( !text && cx._options->defaultTextSymbol().valid() )
{
text = cx._options->defaultTextSymbol().get();
style.addSymbol( text );
}
else
{
text = style.getOrCreate<TextSymbol>();
text->encoding() = TextSymbol::ENCODING_UTF8;
}
text->content()->setLiteral( name );
}
// is there an icon?
if ( icon )
{
iconNode = new PlaceNode( cx._mapNode, position, style, cx._dbOptions );
}
else if ( !model && text && !name.empty() )
{
// note: models do not get labels.
iconNode = new LabelNode( cx._mapNode, position, style );
}
}
// multiple coords? feature:
if ( geom->getTotalPointCount() > 1 )
{
ExtrusionSymbol* extruded = style.get<ExtrusionSymbol>();
// Remove symbols that we have already processed so the geometry
// compiler doesn't get confused.
if ( model )
style.removeSymbol( model );
if ( icon )
style.removeSymbol( icon );
if ( text )
style.removeSymbol( text );
Feature* feature = new Feature(geom, cx._srs.get(), style);
featureNode = new FeatureNode( cx._mapNode, feature );
}
// assemble the results:
if ( (iconNode || modelNode) && featureNode )
{
osg::Group* group = new osg::Group();
group->addChild( featureNode );
if ( iconNode )
group->addChild( iconNode );
if ( modelNode )
group->addChild( modelNode );
cx._groupStack.top()->addChild( group );
if ( iconNode && cx._options->declutter() == true )
{
Decluttering::setEnabled( iconNode->getOrCreateStateSet(), true );
}
if ( iconNode )
KML_Feature::build( node, cx, iconNode );
if ( modelNode )
KML_Feature::build( node, cx, modelNode );
if ( featureNode )
KML_Feature::build( node, cx, featureNode );
}
else
{
if ( iconNode )
{
if ( cx._options->iconAndLabelGroup().valid() )
{
cx._options->iconAndLabelGroup()->addChild( iconNode );
}
else
{
cx._groupStack.top()->addChild( iconNode );
if ( cx._options->declutter() == true )
{
Decluttering::setEnabled( iconNode->getOrCreateStateSet(), true );
}
}
KML_Feature::build( node, cx, iconNode );
}
if ( modelNode )
{
cx._groupStack.top()->addChild( modelNode );
KML_Feature::build( node, cx, modelNode );
}
if ( featureNode )
{
cx._groupStack.top()->addChild( featureNode );
KML_Feature::build( node, cx, featureNode );
}
}
}
}
}
}
/**
* Creates a complete set of positioned label nodes from a feature list.
*/
osg::Node* createNode(
const FeatureList& input,
const Style& style,
FilterContext& context )
{
if ( style.get<TextSymbol>() == 0L && style.get<IconSymbol>() == 0L )
return 0L;
// copy the style so we can (potentially) modify the text symbol.
Style styleCopy = style;
TextSymbol* text = styleCopy.get<TextSymbol>();
IconSymbol* icon = styleCopy.get<IconSymbol>();
osg::Group* group = new osg::Group();
StringExpression textContentExpr ( text ? *text->content() : StringExpression() );
NumericExpression textPriorityExpr( text ? *text->priority() : NumericExpression() );
NumericExpression textSizeExpr ( text ? *text->size() : NumericExpression() );
StringExpression iconUrlExpr ( icon ? *icon->url() : StringExpression() );
NumericExpression iconScaleExpr ( icon ? *icon->scale() : NumericExpression() );
NumericExpression iconHeadingExpr ( icon ? *icon->heading() : NumericExpression() );
for( FeatureList::const_iterator i = input.begin(); i != input.end(); ++i )
{
Feature* feature = i->get();
if ( !feature )
continue;
// run a symbol script if present.
if ( text && text->script().isSet() )
{
StringExpression temp( text->script().get() );
feature->eval( temp, &context );
}
// run a symbol script if present.
if ( icon && icon->script().isSet() )
{
StringExpression temp( icon->script().get() );
feature->eval( temp, &context );
}
const Geometry* geom = feature->getGeometry();
if ( !geom )
continue;
Style tempStyle = styleCopy;
// evaluate expressions into literals.
// TODO: Later we could replace this with a generate "expression evaluator" type
// that we could pass to PlaceNode in the DB options. -gw
if ( text )
{
if ( text->content().isSet() )
tempStyle.get<TextSymbol>()->content()->setLiteral( feature->eval( textContentExpr, &context ) );
if ( text->size().isSet() )
tempStyle.get<TextSymbol>()->size()->setLiteral( feature->eval(textSizeExpr, &context) );
}
if ( icon )
{
if ( icon->url().isSet() )
tempStyle.get<IconSymbol>()->url()->setLiteral( feature->eval(iconUrlExpr, &context) );
if ( icon->scale().isSet() )
tempStyle.get<IconSymbol>()->scale()->setLiteral( feature->eval(iconScaleExpr, &context) );
if ( icon->heading().isSet() )
tempStyle.get<IconSymbol>()->heading()->setLiteral( feature->eval(iconHeadingExpr, &context) );
}
osg::Node* node = makePlaceNode(
context,
feature,
tempStyle,
textPriorityExpr);
if ( node )
{
if ( context.featureIndex() )
{
context.featureIndex()->tagNode(node, feature);
}
group->addChild( node );
}
}
// Note to self: need to change this to support picking later. -gw
//VirtualProgram* vp = VirtualProgram::getOrCreate(group->getOrCreateStateSet());
//vp->setInheritShaders( false );
return group;
}
void
GeodeticGraticule::rebuild()
{
this->removeChildren( 0, this->getNumChildren() );
if ( !getMapNode() )
{
OE_WARN << LC << "Illegal NULL map node" << std::endl;
return;
}
if ( !getMapNode()->isGeocentric() )
{
OE_WARN << LC << "Projected map mode is not yet supported" << std::endl;
return;
}
const Profile* mapProfile = _mapNode->getMap()->getProfile();
_profile = Profile::create(
mapProfile->getSRS(),
mapProfile->getExtent().xMin(),
mapProfile->getExtent().yMin(),
mapProfile->getExtent().xMax(),
mapProfile->getExtent().yMax(),
8, 4 );
_featureProfile = new FeatureProfile(_profile->getSRS());
//todo: do this right..
osg::StateSet* set = this->getOrCreateStateSet();
set->setRenderBinDetails( 9999, "RenderBin" );
set->setMode( GL_LIGHTING, 0 );
// set up default options if the caller did not supply them
if ( !_options.isSet() )
{
_options->lineStyle() = Style();
LineSymbol* line = _options->lineStyle()->getOrCreate<LineSymbol>();
line->stroke()->color() = Color::Gray;
line->stroke()->width() = 1.0;
AltitudeSymbol* alt = _options->lineStyle()->getOrCreate<AltitudeSymbol>();
alt->verticalOffset() = NumericExpression(5000.0);
_options->textStyle() = Style();
TextSymbol* text = _options->textStyle()->getOrCreate<TextSymbol>();
text->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
if ( _mapNode->isGeocentric() )
{
double r = _mapNode->getMapSRS()->getEllipsoid()->getRadiusEquator();
_options->addLevel( FLT_MAX, 0.0f, 1u );
double d = 4.5*r;
for(int i=0; i<3; i++)
{
d *= 0.5;
_options->addLevel( d, d*0.25 );
}
}
else
{
//todo?
}
}
_root = new DrapeableNode( _mapNode.get(), false );
this->addChild( _root );
// need at least one level
if ( _options->levels().size() < 1 )
return;
const GeodeticGraticuleOptions::Level& level0 = _options->levels()[0];
// build the top level cell grid.
unsigned tilesX, tilesY;
_profile->getNumTiles( 0, tilesX, tilesY );
for( unsigned tx = 0; tx < tilesX; ++tx )
{
for( unsigned ty = 0; ty < tilesY; ++ty )
{
TileKey key( 0, tx, ty, _profile.get() );
osg::Node* tile = buildTile( key, getMapNode()->getMap() );
if ( tile )
_root->addChild( tile );
}
}
}
void
PlaceNode::setText( const std::string& text )
{
if ( !_dynamic )
{
OE_WARN << LC << "Illegal state: cannot change a LabelNode that is not dynamic" << std::endl;
return;
}
_text = text;
const osg::Geode::DrawableList& list = _geode->getDrawableList();
for( osg::Geode::DrawableList::const_iterator i = list.begin(); i != list.end(); ++i )
{
osgText::Text* d = dynamic_cast<osgText::Text*>( i->get() );
if ( d )
{
TextSymbol* symbol = _style.getOrCreate<TextSymbol>();
osgText::String::Encoding text_encoding = osgText::String::ENCODING_UNDEFINED;
if ( symbol && symbol->encoding().isSet() )
{
text_encoding = AnnotationUtils::convertTextSymbolEncoding(symbol->encoding().value());
}
d->setText( text, text_encoding );
break;
}
}
}
