Dates: (August 10 - August 16)

Proposed: Final polish - clean up all code, squash commits, format documentation, write final blog post / GSoC wiki summary, prepare final report.

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Dates: (August 3 - August 9)

Proposed: Additional integration testing and performance benchmarking on OSM datasets (>1M edges). Address any remaining mentor feedback from Phase 2.

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Dates: (July 27 - August 2)

Proposed: Pipeline Integration & Deliverable - fix any cross-function ID mapping issues. Deliverable: working pgr_makeMaximalPlanar with full tests and docs. Address mentor feedback from Phase 2 midterm review.

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Dates: (July 20 - July 26)

Proposed: Phase 2: Documentation & Idempotency - complete RST docs and docqueries for pgr_makeMaximalPlanar. Verify idempotency (re-run returns empty, pgr_isPlanar still true). Full pipeline integration test.

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Dates: (July 13 - July 19)

Proposed: Phase 2: Testing - write comprehensive pgTap tests for pgr_makeMaximalPlanar. Verify E = 3V-6 on all test graphs. Verify no parallel edges or self-loops introduced.

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Dates: (July 6 - July 12)

Proposed: Phase 2: Core Logic & Edge Cases - handle all error conditions for pgr_makeMaximalPlanar. Handle already-maximal-planar case (empty return). Verify E = 3V-6.

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Dates: (June 29 - July 5)

Proposed: Phase 2: pgr_makeMaximalPlanar begins - implement triangulation_visitor with timestamp trick for O(1) neighbor marking. Connect to planar_face_traversal. Get basic triangulation working on C4 -> K4 (adds 2 diagonals).

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Dates: (June 22 - June 28)

Proposed: Phase 1 -> Phase 2 Transition - address mentor feedback from Week 4. Create Phase 2 file scaffolding (src/planar/makeMaximalPlanar.*). Study triangulation_visitor source and end_face() phases 1-6 in detail.

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Dates: (June 15 - June 21)

Proposed: Phase 1: Documentation & Delivery - complete RST documentation, write docquery examples, verify idempotency. Deliverable: working pgr_makeBiconnectedPlanar with full tests and docs.

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Dates: (June 8 - June 14)

Proposed: Phase 1: Edge Cases & Output Mapping - handle already-biconnected (empty return), not-connected error, not-planar error. Write comprehensive pgTap tests: path graphs P3/P4/P5, cycle graphs, tree graphs, disconnected input.

Plan:

• Refactor the code architecture to use a shared planar_driver and planar_process pattern.
• Clean up the workspace by removing old, individual driver/process files.
• Discussed and finalised the implementation of Makebiconnected algorithm and MakeMaximal planar algorithm implementation (disconnected components input case)

Report:

• Refactored the core logic of pgr_makeBiconnectedPlanar and pgr_makeMaximalPlanar to use the shared 3-layer planar_driver and planar_process architecture.
• Cleaned up the codebase by removing obsolete files.
• Discussed and finalised the implementation of Makebiconnected algorithm and MakeMaximal planar algorithm implementation (disconnected components input case)

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Dates: (June 1 - June 7)

Proposed: Phase 1: Core Algorithm - connect EdgeIndexMap and embedding to boost::make_biconnected_planar. Implement pgr_collect_edges_visitor. Map Boost vertex descriptors back to pgRouting IDs. Get a working end-to-end function on the 7-vertex walkthrough graph.

Plan:

• Implement the core algorithm logic using Boost’s make_biconnected_planar and make_maximal_planar
• Build the EdgeIndexMap and planar embedding infrastructure needed by the Boost calls
• Implement pgr_collect_edges_visitor
• Begin documentation for the new functionalities

Report:

• Implemented the core algorithm logic using Boost’s make_biconnected_planar and make_maximal_planar.
• Built the EdgeIndexMap and planar embedding infrastructure required by the Boost calls.
• Implemented planar_visitor to extract the added edges.
• Added standard error handling returning std::string messages.

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Dates: (May 25 - May 31)

Proposed: Phase 1: pgr_makeBiconnectedPlanar begins - build and test EdgeIndexMap construction in isolation using BGL_FORALL_EDGES. Run boyer_myrvold_planarity_test with embedding storage enabled; verify embedding vector populates correctly on test graphs.

Plan:

• Create foundational file structure for pgr_makeBiconnectedPlanar
• Create foundational file structure for pgr_makeMaximalPlanar
• Register new source files in src/planar/CMakeLists.txt
• Register new SQL files in sql/planar/CMakeLists.txt
• Add signatures of both functions to sql/sigs/pgrouting--4.1.sig
• Open Pull Requests to initiate GSoC review

Report:

• Create foundational file structure for pgr_makeBiconnectedPlanar
• Create foundational file structure for pgr_makeMaximalPlanar
• Register new source files in src/planar/CMakeLists.txt
• Register new SQL files in sql/planar/CMakeLists.txt
• Add signatures of both functions to sql/sigs/pgrouting--4.1.sig
• Open Pull Requests to initiate GSoC review

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Goal: arrive at Week 1 with pseudocode approved by mentors, test graphs designed, and a clear understanding of pgRouting architecture.

Proposed: Pre-Coding Preparation - run standalone tests of boost::make_biconnected_planar on path/tree graphs and boost::make_maximal_planar on simple planar graphs (C4 -> K4). Share pseudocode of C++ wrapper classes with mentors for review. Design specific test graphs for docqueries.

Plan for the week:

• Run standalone tests of boost::make_biconnected_planar on path/tree graphs
• Run standalone tests of boost::make_maximal_planar on simple planar graphs (C4 -> K4)
• Write pseudocode for both C++ wrapper classes and share with mentors for review
• Study maximal planar in detail and confirm the visitor should be non-mutating OR mutating

Report:

• Standalone tests of boost::make_biconnected_planar run
• Standalone tests of boost::make_maximal_planar run
• Pseudocode for both wrappers(will link in report)
• Studied maximal planar graph (revised proposal edit: mutating visitor )

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Proposed: Deep Codebase Reading - read make_biconnected_planar.hpp and make_maximal_planar.hpp in full Boost source. Write a private walkthrough document for each file and share with mentors for feedback.

Plan for the week:

• Study boyer_myrvold_planarity_test embedding generation
• Experiment with Graphviz planar graph examples
• Research planar_face_traversal visitor workflow
• Study pgRouting SQL -> C wrapper -> C++ driver -> Boost pipeline
• Revise implementation approach after architecture study

Report:

• Studied boyer_myrvold_planarity_test embedding generation
• Studied Graphviz planar examples
• planar_face_traversal workflow studied
• pgRouting execution pipeline studied

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Proposed: Environment and Community - introduce myself on pgrouting-dev and soc@osgeo mailing lists. Verify pgRouting builds from source with all planar tests passing. Set up wiki progress page.

Plan for the week:

• Introduce myself on pgrouting-dev and soc@osgeo mailing lists
• Verify pgRouting builds from source with all planar tests passing
• Set up wiki progress page at the pgRouting GSoC wiki

Report:

• Bonding period meeting
• Prepared Wiki (copied from proposal)
• Worked on edges problem (maximal planar and biconnected planar should return edges or not in the output)

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