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;
}
}
/**
* 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);
}
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;
}
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);
}
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);
}
}
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 );
}
}
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();
}
//
// 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
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));
}
}
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 );
}
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
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 );
}
}
}