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Welcome to osgEarth!

osgEarth adds geospatially accurate 3D maps to your C++ application.

<img src="https://github.com/user-attachments/assets/a0b1c650-442a-4e6d-88e6-42a5c92083b8" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/08d0f8c0-49e1-41a8-8b97-d663337f1cbb" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/575315e1-e2ae-43ec-8a97-83bafcfa9131" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/24971c79-f93c-48eb-ab79-161bb35beae4" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/cf40e4a9-429d-4cac-9464-f9825149e7f2" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/1cd49290-9b2d-42ec-a8c3-9c1c38eb673c" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/bfd869fd-32b5-48b5-a037-4951f812b757" width="200" height="140"/> <img src="https://github.com/user-attachments/assets/1876fffb-e683-4fa9-9521-cdd9795dea85" width="200" height="140"/>

osgEarth builds on trusted open source technologies like OpenSceneGraph and GDAL to give you high-performance, accurate terrain and map rendering. It supports a myriad of geospatial data formats and map projections.

Install the SDK

Windows users can install the latest version of osgEarth through vcpkg:

git clone https://github.com/microsoft/vcpkg.git
cd vcpkg && bootstrap-vcpkg.bat
vcpkg install osgearth:x64-windows

This will take a while the first time as vcpkg builds osgEarth and its dependencies.

Check out some examples

osgearth_imgui is the main command-line viewer. osgearth_viewer is a stripped-down viewer without any GUI. Both of these read "earth files", XML files that describe the contents of a map.

You can find example earth files in the tests folder of the repo.

:: Online imagery and elevation:
osgearth_imgui tests\readymap.earth

:: OpenStreetMap:
osgearth_imgui tests\osm.earth

:: Local GeoTIFFs:
osgearth_imgui tests\simple.earth

Integrate it into your project

CMakeLists.txt

cmake_minimum_required(VERSION 3.20)
project(myApp)
find_package(osgEarth CONFIG REQUIRED)
add_executable(myApp main.cpp)
target_link_libraries(myApp PRIVATE osgEarth::osgEarth)
install(TARGETS myApp RUNTIME DESTINATION bin)

main.cpp

#include <osgEarth/MapNode>
#include <osgEarth/TMS>
#include <osgEarth/EarthManipulator>
#include <osg/ArgumentParser>
#include <osgViewer/Viewer>

int main(int argc, char** argv)
{
    osgEarth::initialize();
    
    osg::ArgumentParser args(&argc, argv);
    osgViewer::Viewer viewer(args);
    
    auto imagery = new osgEarth::TMSImageLayer();
    imagery->setURL("https://readymap.org/readymap/tiles/1.0.0/7/");
    
    auto mapNode = new osgEarth::MapNode();
    mapNode->getMap()->addLayer(imagery);
    
    viewer.setSceneData(mapNode);
    viewer.setCameraManipulator(new osgEarth::EarthManipulator(args));
    
    return viewer.run();
}

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