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OSPRay Studio

This is release v0.8.0 of Intel® OSPRay Studio. It is released under the Apache 2.0 license.

Visit http://www.ospray.org/ospray_studio for more information.

See what's new in this release.

Overview

Intel OSPRay Studio is an open source and interactive visualization and ray tracing application that leverages Intel OSPRay as its core rendering engine. It can be used to load complex scenes requiring high fidelity rendering or very large scenes requiring supercomputing resources.

The main control structure is a scene graph which allows users to create an abstract scene in a directed acyclical graph manner. Scenes can either be imported or created using scene graph nodes and structure support. The scenes can then be rendered either with OSPRay's pathtracer or scivis renderer.

Building OSPRay Studio

OSPRay Studio has the following required and optional dependencies.

Required dependencies

  • CMake (v3.15+) and any C++14 compiler
  • Intel OSPRay (v2.7.0) and its dependencies - OSPRay Studio builds on top of OSPRay. Instructions on building OSPRay are provided here
  • OpenGL and GLFW (v3.x) - for the windowing environment

Optional Dependencies

  • Intel Open Image Denoise - (v1.2.3 or newer) for denoising frames. To use with OSPRay Studio, OSPRay must be built with -DBUILD_OIDN=ON in CMake
  • OpenImageIO and OpenEXR - to support images in a variety of file formats. Set OPENIMAGEIO_ROOT and OPENEXR_ROOT to the respective install directories to use these libraries

Building on Linux and macOS

  • Follow OSPRay's build instructions to install it, which will also fulfill most other required dependencies. Set the following environment variables to easily locate OSPRay, Open VKL, Embree, and rkcommon during CMake.

    export ospray_DIR = ${OSPRAY_INSTALL_LOCATION}
    export openvkl_DIR = ${OPENVKL_INSTALL_LOCATION}
    export embree_DIR = ${EMBREE_INSTALL_LOCATION}
    export rkcommon_DIR = ${RKCOMMON_INSTALL_LOCATION}
  • Clone OSPRay Studio

    git clone https://github.com/ospray/ospray_studio/
  • Create build directory and change directory to it (we recommend keeping a separate build directory)

    cd ospray_studio
    mkdir build
    cd build
  • Then run the typical CMake routine

    cmake -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang ... # or use ccmake
    make -j `nproc` # or cmake --build .
  • To run OSPRay Studio, make sure LD_LIBRARY_PATH (on Linux) or DYLD_LIBRARY_PATH (on macOS) contains all dependencies. For example,

    export LD_LIBRARY_PATH=${OSPRAY_INSTALL}/lib64:${OPENVKL_INSTALL}/lib64:...:$LD_LIBRARY_PATH
    # then run!
    ./ospStudio

Building on Windows

Use CMake (cmake-gui) to configure and generate a Microsoft Visual Studio solution file for OSPRay Studio.

  • Specify the source folder and the build directory in CMake
  • Specify ospray_DIR, openvkl_DIR and rkcommon_DIR CMake variables for the respective install locations
  • Click 'Configure' and select the appropriate generator (we recommend using at least Visual Studio 15 2017)
  • Select x64 as an optional parameter for the generator (32-bit builds are not supported)
  • Click 'Generate' to create ospray_studio.sln. Open this in Visual Studio and compile

You can optionally use the CMake command line:

cmake --build . --config Release --target install

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An application to showcase OSPRay's rendering capabilities

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