§ 01Built in the open
Updates
The free chapters are open, paid chapters arrive as they are published, and buyers get everything as it ships. This page is the record.
July 2026
- platform
Every chapter now ends with three related chapters to read next.
- platform
This page went live, recording changes as the book is built in the open.
- correction
Fixed a typesetting bug that garbled a paragraph in the LiDAR chapter.
- platform
June 2026
- platform
The reader gained in-page search and a contents panel on mobile.
- chapter
Paid chapter previews now include a worked example, not just the opening.
- platform
Every chapter now carries its own preview card when shared.
- milestone
- correction
Restored author-year citations and fixed unit typesetting in the free chapters.
- chapter
Chapter 4, Data Formats and Spatial Indexing, is the first paid chapter online.
- platform
Every paid chapter now opens with a free preview of its first section.
- platform
The top tier became Practitioner: the bundle plus a practice kit and a 1:1 session.
- platform
Added a site-wide search palette, opened with Ctrl-K or Cmd-K.
May 2026
- platform
Displayed prices now match checkout exactly, with no discount framing.
- platform
Checkout works as a guest, no account needed to buy.
- milestone
The site went live with the reader and the free chapters open in full.