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⛰️ Rocky

Rocky is a 3D Geospatial Application Engine.Screenshot 2023-02-22 124318

Rocky will render an accurate 3D or 2D map with real geospatial imagery and elevation data. It supports thousands of map projections and many popular geodata formats including GeoTIFF, WMTS, WMS, and TMS. Rocky's data model is inspired by the osgEarth SDK, a 3D GIS toolkit created in 2008 and still in wide use today.

This project is in its early stages so expect a lot of API and architectural changes before version 1.0.

A simple Rocky application

Quick Start : Head over to the rocky-demo repository for a template project much like the one below! It includes a vcpkg.json manifest to get vcpkg users up and running quickly.

main.cpp

#include <rocky_vsg/Application.h>
#include <rocky/TMSImageLayer.h>

int main(int argc, char** argv)
{
    rocky::Application app(argc, argv);

    auto imagery = rocky::TMSImageLayer::create();
    imagery->setURI("https://readymap.org/readymap/tiles/1.0.0/7/");
    app.map()->layers().add(imagery);

    if (imagery->status().failed()) 
    {
        rocky::Log::warn() << imagery->status().message << std::endl;
        return -1;
    }

    return app.run();
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.10)
project(myApp VERSION 0.1.0 LANGUAGES CXX C)
find_package(rocky CONFIG REQUIRED)
add_executable(myApp main.cpp)
target_link_libraries(myApp PRIVATE rocky::rocky rocky::rocky_vsg)
install(TARGETS myApp RUNTIME DESTINATION bin)

Dependencies

Building

Rocky comes with a handy Windows batch file to automatically configure the project using vcpkg:

bootstrap-vcpkg.bat

That will download and build all the dependencies (takes a while) and generate your CMake project and Visual Studio solution file.

Running

Set up a couple environment variables so Rocky can find its data.

set ROCKY_FILE_PATH=%rocky_install_dir%/share
set ROCKY_DEFAULT_FONT=C:/windows/fonts/arialbd.ttf
set PROJ_DATA=%proj_install_dir%/share/proj

And run the demo application!

rdemo.exe

Screenshot 2023-02-22 124318

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  • C++ 96.5%
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