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Use WorldWind SRTM with pre-populated cache. GlobePlugin code cleanup.

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pka committed Nov 14, 2010
1 parent 78174a1 commit a30df986864df1630ab1f7f47b961e8c7ad565cd
Showing with 173 additions and 115 deletions.
  1. +3 −0 src/plugins/globe/CMakeLists.txt
  2. +4 −7 src/plugins/globe/globe.earth
  3. +146 −100 src/plugins/globe/globe_plugin.cpp
  4. +20 −8 src/plugins/globe/globe_plugin.h
@@ -70,3 +70,6 @@ INSTALL(TARGETS globeplugin

INSTALL (FILES images/world.tif globe.earth
DESTINATION ${QGIS_DATA_DIR}/globe)

INSTALL (DIRECTORY data
DESTINATION ${QGIS_DATA_DIR}/globe)
@@ -2,17 +2,14 @@

<loading_policy mode="sequential"/>

<!--
<cache type="tilecache">
<path>/home/pi/devel/gis/qgis/.qgis/cache/globe</path>
</cache>
-->

<!--
<image name="world" driver="gdal">
<url>/usr/share/osgearth/data/world.tif</url>
<url>/usr/share/osgearth/data/world.tif</url>
<cache_enabled>false</cache_enabled>
</image>
-->

<!--
<image name="worldwind" driver="tileservice">
@@ -29,17 +26,17 @@
</heightfield>
-->

<!--
<heightfield name="WorldWind bil" driver="worldwind">
<worldwind_cache>/home/pi/devel/gis/qgis/.qgis/cache/globe/worldwind_srtm</worldwind_cache>
<cache_enabled>false</cache_enabled>
</heightfield>
-->

<!--
<heightfield name="aster_dem" driver="gdal">
<url>/home/pi/data/geodata/Lech/ASTGTM_N47E010/ASTGTM_N47E010_dem.tif</url>
<cache_enabled>false</cache_enabled>
</heightfield>
-->

<!--
<vertical_scale>2</vertical_scale>
@@ -42,13 +42,9 @@
#include <osgEarth/Notify>
#include <osgEarth/Map>
#include <osgEarth/MapNode>
#include <osgEarthUtil/EarthManipulator>
#include <osgEarthUtil/ElevationManager>
#include <osgEarthUtil/ObjectPlacer>
#include <osgEarth/TileSource>
#include <osgEarthDrivers/gdal/GDALOptions>
#include <osgEarthDrivers/tms/TMSOptions>
#include "Controls"

using namespace osgEarth::Drivers;
using namespace osgEarthUtil::Controls2;
@@ -124,36 +120,77 @@ void GlobePlugin::run()
osgEarthUtil::EarthManipulator* manip = new osgEarthUtil::EarthManipulator();
viewer.setCameraManipulator( manip );

setupMap();

viewer.setSceneData( mRootNode );

// Set a home viewpoint
manip->setHomeViewpoint(
osgEarthUtil::Viewpoint( osg::Vec3d( -90, 0, 0 ), 0.0, -90.0, 4e7 ),
1.0 );

// create a surface to house the controls
mControlCanvas = new ControlCanvas( &viewer );
mRootNode->addChild( mControlCanvas );
setupControls();

// add our fly-to handler
viewer.addEventHandler(new FlyToExtentHandler( manip, mQGisIface ));

// add some stock OSG handlers:
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));

#ifdef GLOBE_OSG_STANDALONE_VIEWER
viewer.run();
#endif
}

void GlobePlugin::setupMap()
{
// read base layers from earth file
QString earthFileName = QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe/globe.earth" );
EarthFile earthFile;
if ( !earthFile.readXML( QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe/globe.earth" ).toStdString() ) )
QFile earthFileTemplate( earthFileName );
if (!earthFileTemplate.open(QIODevice::ReadOnly | QIODevice::Text))
{
return;
}

osg::ref_ptr<Map> map = earthFile.getMap();
QTextStream in(&earthFileTemplate);
QString earthxml = in.readAll();
QSettings settings;
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
earthxml.replace( "/home/pi/devel/gis/qgis/.qgis/cache", cacheDirectory );
earthxml.replace( "/usr/share/osgearth/data", QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe" ) );

// Add base image to the map
GDALOptions* opt = new GDALOptions();
opt->url() = QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe/world.tif" ).toStdString();
osg::ref_ptr<MapLayer> layer = new ImageMapLayer( "World", opt );
map->addMapLayer( layer );
//prefill cache
if ( !QFile::exists( cacheDirectory + "/worldwind_srtm" ) )
{
copyFolder( QgsApplication::pkgDataPath() + "/globe/data/worldwind_srtm", cacheDirectory + "/globe/worldwind_srtm" );
}

std::istringstream istream( earthxml.toStdString() );
if ( !earthFile.readXML( istream, earthFileName.toStdString() ) )
{
return;
}

osg::ref_ptr<Map> map = earthFile.getMap();

// Add QGIS layer to the map
mTileSource = new QgsOsgEarthTileSource(mQGisIface);
mTileSource->initialize("");
mQgisMapLayer = new ImageMapLayer( "QGIS", mTileSource );
map->addMapLayer( mQgisMapLayer );
mQgisMapLayer->setCache( 0 ); //disable caching

osg::Group* root = new osg::Group();
mRootNode = new osg::Group();

// The MapNode will render the Map object in the scene graph.
mMapNode = new osgEarth::MapNode( map );
root->addChild( mMapNode );

// create a surface to house the controls
ControlCanvas* cs = new ControlCanvas( &viewer );
root->addChild( cs );
mRootNode->addChild( mMapNode );

// model placement utils
mElevationManager = new osgEarthUtil::ElevationManager( mMapNode->getMap() );
@@ -196,76 +233,58 @@ void GlobePlugin::run()
{
double dx = gridSize * ( rand()/( (double)RAND_MAX + 1.0 ) - 0.5 );
double dy = gridSize * ( rand()/( (double)RAND_MAX + 1.0 ) - 0.5 );
placeNode( root, model, lat + i * gridSize + dx, lon + j * gridSize + dy );
placeNode( model, lat + i * gridSize + dx, lon + j * gridSize + dy );
}
}
#endif
}

viewer.setSceneData( root );

// Set a home viewpoint
manip->setHomeViewpoint(
osgEarthUtil::Viewpoint( osg::Vec3d( -90, 0, 0 ), 0.0, -90.0, 4e7 ),
1.0 );

void GlobePlugin::setupControls()
{
// a centered hbox container along the bottom on the screen.
HBox* bottom = new HBox();
bottom->setFrame( new RoundedFrame() );
bottom->getFrame()->setBackColor(0,0,0,0.5);
bottom->setMargin( 10 );
bottom->setSpacing( 145 );
bottom->setVertAlign( Control::ALIGN_BOTTOM );
bottom->setHorizAlign( Control::ALIGN_CENTER );

for( int i=0; i<4; ++i )
{
HBox* bottom = new HBox();
bottom->setFrame( new RoundedFrame() );
bottom->getFrame()->setBackColor(0,0,0,0.5);
bottom->setMargin( 10 );
bottom->setSpacing( 145 );
bottom->setVertAlign( Control::ALIGN_BOTTOM );
bottom->setHorizAlign( Control::ALIGN_CENTER );

for( int i=0; i<4; ++i )
{
LabelControl* label = new LabelControl();
std::stringstream buf;
buf << "Label_" << i;
label->setText( buf.str() );
label->setMargin( 10 );
label->setBackColor( 1,1,1,0.4 );
bottom->addControl( label );

label->setActiveColor(1,.3,.3,1);
label->addEventHandler( new MyClickHandler );
}

cs->addControl( bottom );
LabelControl* label = new LabelControl();
std::stringstream buf;
buf << "Label_" << i;
label->setText( buf.str() );
label->setMargin( 10 );
label->setBackColor( 1,1,1,0.4 );
bottom->addControl( label );

label->setActiveColor(1,.3,.3,1);
label->addEventHandler( new MyClickHandler );
}

// add our fly-to handler
viewer.addEventHandler(new FlyToExtentHandler( manip, mQGisIface ));

// add some stock OSG handlers:
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));

#ifdef GLOBE_OSG_STANDALONE_VIEWER
viewer.run();
#endif
mControlCanvas->addControl( bottom );
}

void GlobePlugin::setupProxy()
{
QSettings settings;
settings.beginGroup( "proxy" );
if (settings.value("/proxyEnabled").toBool())
QSettings settings;
settings.beginGroup( "proxy" );
if (settings.value("/proxyEnabled").toBool())
{
ProxySettings proxySettings(settings.value("/proxyHost").toString().toStdString(),
settings.value("/proxyPort").toInt());
if (!settings.value("/proxyUser").toString().isEmpty())
{
ProxySettings proxySettings(settings.value("/proxyHost").toString().toStdString(),
settings.value("/proxyPort").toInt());
if (!settings.value("/proxyUser").toString().isEmpty())
{
QString auth = settings.value("/proxyUser").toString() + ":" + settings.value("/proxyPassword").toString();
setenv("OSGEARTH_CURL_PROXYAUTH", auth.toStdString().c_str(), 0);
}
//TODO: settings.value("/proxyType")
//TODO: URL exlusions
HTTPClient::setProxySettings(proxySettings);
QString auth = settings.value("/proxyUser").toString() + ":" + settings.value("/proxyPassword").toString();
setenv("OSGEARTH_CURL_PROXYAUTH", auth.toStdString().c_str(), 0);
}
settings.endGroup();
//TODO: settings.value("/proxyType")
//TODO: URL exlusions
HTTPClient::setProxySettings(proxySettings);
}
settings.endGroup();
}

void GlobePlugin::extentsChanged()
@@ -277,32 +296,32 @@ typedef std::list< osg::ref_ptr<VersionedTile> > TileList;

void GlobePlugin::layersChanged()
{
QgsDebugMsg("layersChanged");
if (mTileSource) {
/*
//viewer.getDatabasePager()->clear();
//mMapNode->getTerrain()->incrementRevision();
TileList tiles;
mMapNode->getTerrain()->getVersionedTiles( tiles );
for( TileList::iterator i = tiles.begin(); i != tiles.end(); i++ ) {
//i->get()->markTileForRegeneration();
i->get()->updateImagery( mQgisMapLayer->getId(), mMapNode->getMap(), mMapNode->getEngine() );
}
*/
}
if (mTileSource && mMapNode->getMap()->getImageMapLayers().size() > 1)
{
QgsDebugMsg("removeMapLayer");
QgsDebugMsg(QString("getImageMapLayers().size = %1").arg(mMapNode->getMap()->getImageMapLayers().size() ));
mMapNode->getMap()->removeMapLayer( mQgisMapLayer );
QgsDebugMsg(QString("getImageMapLayers().size = %1").arg(mMapNode->getMap()->getImageMapLayers().size() ));
QgsDebugMsg("addMapLayer");
mTileSource = new QgsOsgEarthTileSource(mQGisIface);
mTileSource->initialize("", 0);
mQgisMapLayer = new ImageMapLayer( "QGIS", mTileSource );
mMapNode->getMap()->addMapLayer( mQgisMapLayer );
QgsDebugMsg(QString("getImageMapLayers().size = %1").arg(mMapNode->getMap()->getImageMapLayers().size() ));
QgsDebugMsg("layersChanged");
if (mTileSource) {
/*
//viewer.getDatabasePager()->clear();
//mMapNode->getTerrain()->incrementRevision();
TileList tiles;
mMapNode->getTerrain()->getVersionedTiles( tiles );
for( TileList::iterator i = tiles.begin(); i != tiles.end(); i++ ) {
//i->get()->markTileForRegeneration();
i->get()->updateImagery( mQgisMapLayer->getId(), mMapNode->getMap(), mMapNode->getEngine() );
}
*/
}
if (mTileSource && mMapNode->getMap()->getImageMapLayers().size() > 1)
{
QgsDebugMsg("removeMapLayer");
QgsDebugMsg(QString("getImageMapLayers().size = %1").arg(mMapNode->getMap()->getImageMapLayers().size() ));
mMapNode->getMap()->removeMapLayer( mQgisMapLayer );
QgsDebugMsg(QString("getImageMapLayers().size = %1").arg(mMapNode->getMap()->getImageMapLayers().size() ));
QgsDebugMsg("addMapLayer");
mTileSource = new QgsOsgEarthTileSource(mQGisIface);
mTileSource->initialize("", 0);
mQgisMapLayer = new ImageMapLayer( "QGIS", mTileSource );
mMapNode->getMap()->addMapLayer( mQgisMapLayer );
QgsDebugMsg(QString("getImageMapLayers().size = %1").arg(mMapNode->getMap()->getImageMapLayers().size() ));
}
}

void GlobePlugin::unload()
@@ -317,7 +336,7 @@ void GlobePlugin::help()
{
}

void GlobePlugin::placeNode( osg::Group* root, osg::Node* node, double lat, double lon, double alt /*= 0.0*/ )
void GlobePlugin::placeNode( osg::Node* node, double lat, double lon, double alt /*= 0.0*/ )
{
// get elevation
double elevation = 0.0;
@@ -330,7 +349,34 @@ void GlobePlugin::placeNode( osg::Group* root, osg::Node* node, double lat, doub

osg::MatrixTransform* mt = new osg::MatrixTransform( mat );
mt->addChild( node );
root->addChild( mt );
mRootNode->addChild( mt );
}

void GlobePlugin::copyFolder(QString sourceFolder, QString destFolder)
{
QDir sourceDir(sourceFolder);
if(!sourceDir.exists())
return;
QDir destDir(destFolder);
if(!destDir.exists())
{
destDir.mkpath(destFolder);
}
QStringList files = sourceDir.entryList(QDir::Files);
for(int i = 0; i< files.count(); i++)
{
QString srcName = sourceFolder + "/" + files[i];
QString destName = destFolder + "/" + files[i];
QFile::copy(srcName, destName);
}
files.clear();
files = sourceDir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
for(int i = 0; i< files.count(); i++)
{
QString srcName = sourceFolder + "/" + files[i];
QString destName = destFolder + "/" + files[i];
copyFolder(srcName, destName);
}
}

bool FlyToExtentHandler::handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )

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