#include <osg/Notify>
#include <osgGA/StateSetManipulator>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgGA/GUIEventHandler>
#include <osgEarth/Map>
#include <osgEarth/MapNode>
#include <osgEarthUtil/EarthManipulator>
#include <osgEarth/Utils>
#include <osgEarth/CompositeTileSource>
#include <osgDB/FileUtils>
#include <osgDB/FileNameUtils>
#include <osgEarthDrivers/gdal/GDALOptions>

Include dependency graph for osgearth_composite.cpp:

Functions
static void	getFiles (const std::string &file, const std::vector< std::string > &exts, std::vector< std::string > &files)
int	main (int argc, char **argv)

Function Documentation

static void getFiles	(	const std::string &	file,
		const std::vector< std::string > &	exts,
		std::vector< std::string > &	files
	)		`[static]`

Definition at line 41 of file osgearth_composite.cpp.

{
    if (osgDB::fileType(file) == osgDB::DIRECTORY)
    {
        osgDB::DirectoryContents contents = osgDB::getDirectoryContents(file);
        for (osgDB::DirectoryContents::iterator itr = contents.begin(); itr != contents.end(); ++itr)
        {
            if (*itr == "." || *itr == "..") continue;
            std::string f = osgDB::concatPaths(file, *itr);
            getFiles(f, exts, files);
        }
    }
    else
    {
        bool fileValid = false;
        //If we have no _extensions specified, assume we should try everything
        if (exts.size() == 0)
        {
            fileValid = true;
        }
        else
        {
            //Only accept files with the given _extensions
            std::string ext = osgDB::getFileExtension(file);
            for (unsigned int i = 0; i < exts.size(); ++i)
            {
                if (osgDB::equalCaseInsensitive(ext, exts[i]))
                {
                    fileValid = true;
                    break;
                }
            }
        }
        
        if (fileValid)
        {
          files.push_back(osgDB::convertFileNameToNativeStyle(file));
        }
    }
}

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int main	(	int	argc,
		char **	argv
	)

Definition at line 88 of file osgearth_composite.cpp.

{
    osg::ArgumentParser arguments(&argc,argv);

    osgViewer::Viewer viewer(arguments);

    std::vector<std::string> files;
    std::vector< std::string > exts;    

    //Specify a directory
    std::string directory = ".";    
    while (arguments.read("--dir", directory) );

    //Specify the extensions that are valid
    std::string ext;
    while (arguments.read("--ext", ext)) { exts.push_back( ext ); };

    OE_NOTICE << "directory=" << directory << std::endl;

    getFiles(directory, exts, files);

    // Start by creating the map:
    Map* map = new Map();

    //Add a base layer
    GDALOptions basemapOpt;
    basemapOpt.url() = URI("../data/world.tif");
    map->addImageLayer( new ImageLayer( ImageLayerOptions("basemap", basemapOpt) ) );    

    osgEarth::CompositeTileSourceOptions compositeOpt; 
    for (unsigned int i = 0; i < files.size(); i++)
    { 
        GDALOptions gdalOpt; 
        gdalOpt.url() = files[i];
        ImageLayerOptions ilo(files[i], gdalOpt);
        //Set the transparent color on each image        
        //ilo.transparentColor() = osg::Vec4ub(255, 255, 206, 0); 
        compositeOpt.add( ilo );
        OE_NOTICE << "Added file " << files[i] << std::endl;
    } 

    map->addImageLayer( new ImageLayer( ImageLayerOptions("composite", compositeOpt) ) );

    MapNode* mapNode = new MapNode( map );

    viewer.setSceneData( mapNode );
    viewer.setCameraManipulator( new EarthManipulator() );


    // 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();
}

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/home/cube/sources/osgearth/src/applications/osgearth_composite/osgearth_composite.cpp File Reference

Functions

Function Documentation