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Acknowledgements

Credits and Acknowledgements

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SpeleoX has grown through fieldwork, shared knowledge and the tools built by the caving and software communities. Thank you to everyone who has contributed.

Created in the field

SpeleoX grew out of the experience of a caving group in central Italy, around the border between Marche and Abruzzo. It has developed alongside the people who use it underground.

Stefano Novelli is the author of the app and this website.

Special thanks

Special thanks to Brendan Hall for providing the DiscoX.

Thank you to the cavers who have taken test versions underground, checked measurements, reported problems and shared their experience. Their field feedback helps shape SpeleoX.

Instruments and open survey formats

SpeleoX builds on the knowledge and interoperability developed by the cave-surveying community.

DistoX and Beat Heeb
Acknowledgement of Beat Heeb’s work on the DistoX instruments and digital cave surveying.
SAP6, Caveway and DiscoX
Thanks to the people who design, build and document the surveying instruments used in the field.
Therion and Survex
Acknowledgement of their authors and contributors for cave-surveying tools and the .th and .svx interchange formats supported by SpeleoX.

Software and platform technologies

OpenCV is used for on-device panorama image processing. The bundled OpenCV 4.13.0 distribution is part of the OpenCV project and is licensed under Apache License 2.0. Other notices and component licences within that distribution continue to apply.

The app uses Apple technologies including SwiftUI, SwiftData, CloudKit, CoreLocation, MapKit and camera and motion frameworks. Entrance declination uses the heading information available from CoreLocation; no separate IGRF or WMM model is attributed here.

This website is built with Astro. Apple, iPhone, iPad, iPadOS, Mac, macOS and App Store are trademarks of Apple Inc. SpeleoX is an independent project and is not sponsored or endorsed by Apple.

Typography

DM Sans is used for text and JetBrains Mono for measurements, station labels and technical details. Both are distributed under the SIL Open Font License. Fonts are served directly from this website.

Attribution corrections

If a person, project or component deserves an additional or corrected credit, please let us know.

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