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PostGIS Development Guide

This directory is the repository home for PostGIS developer documentation. Trac remains the project issue tracker, but development workflow notes should live here so they are reviewed with code and branch changes.

This subtree is organized for the developer and maintainer role. User-facing documentation remains in the DocBook manual and on the public website; pages such as Manual documentation workflow describe how contributors maintain those user docs rather than forming a separate user-doc chapter here.

Modules:

  • Contributing workflow explains Trac tickets, code mirrors, mailing lists, and patch submission.
  • Development environments links the supported local, CI, and container setup paths.
  • Development TODO records high-level future work ideas that are not accepted designs or release blockers.
  • Testing and debugging explains SQL regression tests, CUnit, dependency guards, and backtraces.
  • Coding style covers C formatting, comments, Doxygen comments, and source naming conventions.
  • Developer tools covers logbt, formatting, coverage, and profiling entry points.
  • PostGIS internals covers allocator boundaries, PostgreSQL function macros, detoasting, geometry serialization structures, empty geometry semantics, spatial collections, raster affine georeferencing, raster physical georeferencing parameters, raster storage/WKB, and raster/GDAL driver boundaries.
  • Release and upgrade rules indexes SQL/C API compatibility, upgrade scripting, dependency guards, regression roles, and support-window changes.
  • Release process covers version numbering, release preparation, publishing, announcements, and opening the next development cycle.
  • Manual documentation workflow covers DocBook, generated comments, translated manuals, images, and Doxygen output.
  • Website maintenance covers the postgis.net Hugo repository, public development pages, release pointer updates, and website validation.
  • Pull request and maintainer workflow covers source-of-truth branches, mirror PR handling, tracker trailers, NEWS, and public readback.
  • Governance notes records PSC process, core-contributor governance, project/service inventory, and governance-documentation consolidation notes.

The generated Doxygen manuals are published at https://postgis.net/docs/doxygen/. User-facing manuals remain at https://postgis.net/documentation/.