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astatin3
87 lines
5.4 KiB
Markdown
87 lines
5.4 KiB
Markdown
# PhotonVision
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[](https://github.com/PhotonVision/photonvision/actions?query=workflow%3ACI) [](https://codecov.io/gh/PhotonVision/photonvision) [](https://discord.gg/wYxTwym)
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PhotonVision is the free, fast, and easy-to-use computer vision solution for the *FIRST* Robotics Competition. You can read an overview of our features [on our website](https://photonvision.org). You can find our comprehensive documentation [here](https://docs.photonvision.org).
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The latest release of platform-specific jars and images is found [here](https://github.com/PhotonVision/photonvision/releases).
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If you are interested in contributing code or documentation to the project, please [read our getting started page for contributors](https://docs.photonvision.org/en/latest/docs/contributing/index.html) and **[join the Discord](https://discord.gg/wYxTwym) to introduce yourself!** We hope to provide a welcoming community to anyone who is interested in helping.
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## Authors
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<a href="https://github.com/PhotonVision/photonvision/graphs/contributors">
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<img src="https://contrib.rocks/image?repo=PhotonVision/photonvision" />
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</a>
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## Documentation
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- Our main documentation page: [docs.photonvision.org](https://docs.photonvision.org)
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- Photon UI demo: [demo.photonvision.org](https://demo.photonvision.org) (or [manual link](https://photonvision.github.io/photonvision/built-client/))
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- Javadocs: [javadocs.photonvision.org](https://javadocs.photonvision.org) (or [manual link](https://photonvision.github.io/photonvision/built-docs/javadoc/))
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- C++ Doxygen [cppdocs.photonvision.org](https://cppdocs.photonvision.org) (or [manual link](https://photonvision.github.io/photonvision/built-docs/doxygen/html/))
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## Building
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Gradle is used for all C++ and Java code, and NPM is used for the web UI. Instructions to compile PhotonVision yourself can be found [in our docs](https://docs.photonvision.org/en/latest/docs/contributing/building-photon.html#compiling-instructions).
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You can run one of the many built in examples straight from the command line, too! They contain a fully featured robot project, and some include simulation support. The projects can be found inside the [`photonlib-java-examples`](photonlib-java-examples) and [`photonlib-cpp-examples`](photonlib-cpp-examples) subdirectories, respectively. Instructions for running these examples directly from the repo are found [in the docs](https://docs.photonvision.org/en/latest/docs/contributing/building-photon.html#running-examples).
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## Gradle Arguments
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Note that these are case sensitive!
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* `-PArchOverride=foobar`: builds for a target system other than your current architecture. [Valid overrides](https://github.com/wpilibsuite/wpilib-tool-plugin/blob/main/src/main/java/edu/wpi/first/tools/NativePlatforms.java) are:
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* winx32
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* winx64
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* winarm64
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* macx64
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* macarm64
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* linuxx64
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* linuxarm64
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* linuxathena
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- `-PtgtIP`: Specifies where `./gradlew deploy` should try to copy the fat JAR to
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- `-Pprofile`: enables JVM profiling
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If you're cross-compiling, you'll need the wpilib toolchain installed. This can be done via Gradle: for example `./gradlew installArm64Toolchain` or `./gradlew installRoboRioToolchain`
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## Out-of-Source Dependencies
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PhotonVision uses the following additional out-of-source repositories for building code.
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- Base system images for Raspberry Pi & Orange Pi: https://github.com/PhotonVision/photon-image-modifier
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- C++ driver for Raspberry Pi CSI cameras: https://github.com/PhotonVision/photon-libcamera-gl-driver
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- JNI code for [mrcal](https://mrcal.secretsauce.net/): https://github.com/PhotonVision/mrcal-java
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- Custom build of OpenCV with GStreamer/Protobuf/other custom flags: https://github.com/PhotonVision/thirdparty-opencv
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- JNI code for aruco-nano: https://github.com/PhotonVision/aruconano-jni
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## Additional packages
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For now, using mrcal requires installing these additional packages on Linux systems:
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```
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sudo apt install libcholmod3 liblapack3 libsuitesparseconfig5
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```
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## Acknowledgments
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PhotonVision was forked from [Chameleon Vision](https://github.com/Chameleon-Vision/chameleon-vision/). Thank you to everyone who worked on the original project.
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* [WPILib](https://github.com/wpilibsuite) - Specifically [cscore](https://github.com/wpilibsuite/allwpilib/tree/master/cscore), [CameraServer](https://github.com/wpilibsuite/allwpilib/tree/master/cameraserver), [NTCore](https://github.com/wpilibsuite/allwpilib/tree/master/ntcore), and [OpenCV](https://github.com/wpilibsuite/thirdparty-opencv).
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* [Apache Commons](https://commons.apache.org/) - Specifically [Commons Math](https://commons.apache.org/proper/commons-math/), and [Commons Lang](https://commons.apache.org/proper/commons-lang/)
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* [Javalin](https://javalin.io/)
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* [JSON](https://json.org)
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* [FasterXML](https://github.com/FasterXML) - Specifically [jackson](https://github.com/FasterXML/jackson)
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## License
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PhotonVision is licensed under the [GNU General Public License](https://www.gnu.org/licenses/gpl-3.0.html).
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## Meeting Notes
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Our [meeting notes](https://github.com/PhotonVision/photonvision/wiki/PhotonVision-Meeting-Notes) can be found in the wiki section of this repository.
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