2.3.0 (2025-12-25)
* Enhanced Multi-Point Measurement Tool:
- Support for polyline tracing with unlimited measurement points
- Dedicated "Finalize" button for explicit measurement completion
- Comprehensive metrics: Total 3D distance, Horizontal distance,
Elevation change, Average slope
- Persistent visual feedback with green vertex markers and measurement
lines
- Auto-reset on new measurement for improved workflow
* Structural Improvement Plan - Major Architectural Refactoring:
- Phase 1 - Architectural Decoupling:
* Extracted DialogToolManager for map tool encapsulation
* Centralized preview logic in PreviewManager
* Eliminated PyQt dependencies from core/validation (enum-based
FieldType)
- Phase 2 - Complexity Reduction:
* Modularized geometry.py into extraction/processing/filtering
sub-packages
* Refactored DrillholeService with extracted private methods
* Implemented adaptive LOD (Level of Detail) for topography
- Phase 3 - Performance Optimization:
* Robust cache with hash-based invalidation in PreviewManager
* Spatial indexing (QgsSpatialIndex) for drillhole filtering
* Improved rendering performance (84ms for 6km sections)
- Phase 4 - Documentation:
* Created ARCHITECTURE.md (unified technical documentation)
* Created DEVELOPMENT_GUIDE.md (developer onboarding)
* Improved docstring coverage to 75.9%
* Code Quality Improvements:
- Quality score increased from 71.1 to 74.4 (+4.6%)
- Fixed all critical lint errors (imports, typing, complexity)
- Removed deprecated typing imports (Dict/List → dict/list)
- Improved error handling with logger.exception
* Critical Bug Fixes:
- Fixed ModuleNotFoundError for geometry_utils sub-package
- Resolved NameError for Optional in profile_service.py
- Fixed AttributeError in measure_tool (DialogToolManager access)
- Corrected TypeError in create_buffer_geometry signature
- Fixed UnboundLocalError in PreviewManager cache handling
- Added CRS transformation support in spatial filtering
- Implemented field validation for drillhole processing
- Fixed geology disappearing on subsequent preview clicks (cache
persistence)
- Fixed drillholes not rendering (missing return statement in
_generate_drillholes)
- Added diagnostic logging for drillhole trace generation

2.2.0 (2025-12-22)
* Major Refactoring & Architecture:
- Moved main SecInterp class to plugin root (sec_interp_plugin.py).
- Modularized validation into core/validation/ package.
- Fragmented SecInterpDialog into specialized managers.
* Documentation & Optimization:
- Translated 100% of documentation (ARCHITECTURE.md) to English.
- Optimized Help System (removed source code views/redundant raw
sources).
- Slimmed ZIP package by 70% uncompressed through advanced
exclusions.
* Features & UX:
- Restored visual workflow images to User Guide.
- Fixed toolbar icon loading and Axis/Grid alignment.

2.1.0 (2025-12-17)
* Major Feature: Snap-Enabled Measurement Tool
- Iterative vertex snapping using QgsPointLocator (Avoids project
pollution)
- Performance optimized with locator caching
* AI Workflow & Reliability:
- Unicode normalization (NFD) for robust keyword matching (accents
support)
- Direct integration of AI_CONTEXT and Project Brain in prompts
* Fixes:
- Resolved QgsSnappingConfig AttributeError (QgsTolerance.Pixels)
- Eliminated scratch layer warnings

2.0 (2025-12-14)
* Major Feature: Drillhole Data Handling
- 3D Projection of drillhole traces onto 2D profile sections
- Auto-calculation of total depths and handling of vertical holes
without survey
- Visualization of geological intervals along drillhole traces
* Drillhole Data Export:
- Export drillhole traces to Shapefile (drillhole_traces.shp)
- Export interval data with attributes to Shapefile
(drillhole_intervals.shp)
* Major UI Refactoring & Enhancements:
- New specialized Drillhole Input Page
- Enhanced Preview System with dedicated persistent rendering for all
data types
- Fixed critical rendering bugs (zoom persistence, async updates)
* Architecture:
- Implemented DrillholeService for encapsulated logic
- Refactored ProfileController to orchestrate multiple data services
- Unified export logic with extensible Exporter pattern

1.1 (2025-12-12)
* Performance & Optimization:
- Implemented asynchronous parallel processing for geological
generation
- Integrated Performance Monitor (RAM & Execution Time tracking)
- Added non-blocking UI during heavy calculations
* Preview System Enhancements:
- Implemented Adaptive Level of Detail (LOD) for high-performance
rendering
- Added Dynamic Zoom-based LOD (details increase as you zoom in)
- Added Measurement Tool (Distance and Slope/Gradient)
- Improved CRS handling and fixed blank rendering issues
* Architecture & Fixes:
- Refactored services to use Command Pattern for parallel execution
- Fixed structure projection consistency
- Resolved "No valid layers to render" warnings
- Fixed Dip Scale Factor application


1.0 (2025-12-08)
* Refactoring & Architecture:
- Split monolithic modules (algorithms.py, main_dialog.py) into
focused components
- Modularized exporters ecosystem
- Implemented spatial indexing and native QGIS algorithms for
performance
* Quality Assurance:
- Added comprehensive type hinting across modules
- Enhanced test infrastructure with pytest and QGIS support
- Implemented security fixes (path traversal protection)
* Major UI Refactoring - Plugin Manager Style:
- Redesigned main dialog with sidebar navigation (QListWidget +
QStackedWidget)
- Replaced absolute positioning with responsive layouts (QVBoxLayout,
QHBoxLayout, QSplitter)
- Integrated native QGIS theme icons for sidebar items
- Improved preview/results area proportions with better vertical space
management
- Fixed legend rendering and resizing issues
* Code Quality Improvements:
- Extracted LegendWidget to separate module (gui/legend_widget.py)
- Refactored preview_profile_handler with helper methods and early
returns
- Refactored export_preview with dedicated methods per format (PNG,
JPG, SVG, PDF)
- Applied SOLID principles throughout main dialog class
* Documentation:
- Added COMMIT_GUIDELINES.md for standardized commit messages
- Added RELEASE_PROCESS.md with version release workflow
- Added drilllogs_research.md with future integration requirements

0.3 (2025-12-03)
* Major Refactoring - Modular Project Structure:
- Reorganized codebase into core/, gui/, resources/ packages
- Improved code maintainability and scalability
- Better separation of concerns (business logic, UI, resources)
* Quality Improvements:
- Achieved Pylint score 10/10
- Specific exception handling throughout codebase
- Comprehensive code documentation
- Configured .pylintrc for consistent code quality
* Testing & CI/CD:
- Added pytest infrastructure with QGIS support
- Created initial unit tests (3 tests passing)
- Configured GitHub Actions for automated testing
- Test configuration in tests/conftest.py
* Build System:
- Updated Makefile for new structure
- Refactored deploy.sh for modular deployment
- Organized build scripts in scripts/ directory
* Documentation:
- Added REFACTORING_PR.md with detailed changes
- Improved project documentation structure
- Added implementation plans for future features

0.2 (2025-11-30)
* Major UI Overhaul - Native QGIS Widget Integration:
- Replaced standard Qt ComboBoxes with QgsMapLayerComboBox for
automatic layer population
- Integrated QgsRasterBandComboBox for intelligent raster band
selection
- Added QgsFileWidget for native file/directory browsing with QGIS
integration
- Eliminated manual layer population code - widgets auto-sync with
QGIS project
- Improved user experience with native QGIS look and feel
* UI Enhancements:
- Collapsible results panel (QgsCollapsibleGroupBox) for better space
management
- Read-only results field to prevent accidental edits
- Fixed Qt enum syntax for better cross-version compatibility
* New Features:
- Flexible parsers for geological structural measurements (dip/strike
formats)
- Comprehensive logging system integrated with QGIS Message Panel
- Enhanced validation logic for QgsMapLayer objects
* Code Quality:
- Removed 200+ lines of manual widget population code
- Cleaner architecture leveraging QGIS native capabilities

0.1 (Initial Release)
- DEM topographic profile extraction
- Geological outcrop data extraction
- Structural point data extraction
- Interactive preview visualization

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