Plant-Root-Soil-Interactions-Modelling/CPlantBox
Jan 2025 – Sep 2025
7 Months active
Languages Used
C++Jupyter NotebookPythonXMLCMakeCSSJSONjson
Technical Skills
C++Data AnalysisData VisualizationDocumentationFile ManagementJupyter Notebooks
m-giraud
PROFILE
M-giraud
Mathieu Giraud contributed to the Plant-Root-Soil-Interactions-Modelling/CPlantBox repository by developing and refining simulation features for plant–soil interactions, focusing on hydraulic modeling, data visualization, and reproducibility. He enhanced core modules using C++ and Python, introducing MPI-based parallelization, robust parameter handling, and improved soil moisture flow computations. His work included aligning outputs with MATLAB for cross-tool validation, expanding Jupyter notebook workflows for educational outreach, and integrating real-time weather data. Through systematic code refactoring, documentation updates, and modularization, Mathieu improved maintainability and onboarding. His engineering approach emphasized numerical stability, scalable simulation, and reproducible research, supporting both scientific and educational objectives.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
81Total
Bugs
10
Commits
81
Features
27
Lines of code
1,096,757
Activity Months7
Your Network
63 people
Work History
September 2025
22 Commits • 11 Features
Sep 1, 2025September 2025 performance summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox. Focused on delivering higher fidelity hydraulics modeling, reproducibility across tools, expanded notebook-based workflows, and improved codebase maintainability, all while extending educational outreach via Summer School 2025. Key features delivered: - Soil hydraulics update: implemented improved computations/implementation to enhance accuracy and stability of soil moisture flow models. (commit 257750105934daec83eec71619b77cf036cfc989_chunk_1) - MATLAB outputs alignment: aligned model outputs with MATLAB results to ensure reproducibility and cross-tool validation. (commit 5d73d48d8bcb0a294918493eb2b06b5cce1fd10e) - Coupled soil-root hydraulics perirhizal models notebook: introduced notebook for integrated soil-root hydraulics with perirhizal models. (commit 5ed7d234828e56f94e9b63bc65e30e44bc840d9f) - Notebook 1/3/5 and Summer School 2025 feature set: added/updated notebooks and related features to support Summer School 2025 across multiple commits, enabling broader experimentation and education. Representative commits include 84ae948adbc7a7e9beafc6998926f0149df11038; dc461c3d506e61d3dcfadd22bd0f7ea643f160b6; 6df07a44285f1f7723aae4d7cc02584f58452d8a; 57206c48faec817cea1f2d9adf2ae3c5ebe2cca9; 019644f07d9160b034474288666f31d71486c3ec; 72e9f7997005ad6327f58968561bc3f8ee88d53b; 09e4d356e38dfce27f9f2734a519ffd6e8c8e743; e42b456f31d26e39c158971ed8d1c30b71fa4e22. - Codebase hygiene and repo readiness: updated source directory structure and aligned with master for smoother integration. Representative commits cf87cc343cdd63839860d70872ece9fa7a33e64f; ccd3249f0e6876d6201ca9e1e707d02455d43c76; 30d82ad5e6625c0a4bfc201c8627a165ec126e00. Major bugs fixed: - Fix Delay Definition: corrected the delay definition to ensure proper timing behavior. (commit 706c8d8ce5fef14abdb748a1ba96b3d5dbfcfcc3) Overall impact and accomplishments: - Delivered higher fidelity hydraulics modeling and reproducible outputs, enabling more reliable simulations and faster scientific validation. - Expanded modeling capabilities with integrated soil-root interactions, boosting research workflow efficiency and scenario analysis. - Strengthened codebase maintainability and onboarding through directory restructuring and master alignment, reducing integration risk and enabling faster iterations. - Extended educational reach with Summer School 2025 features and notebooks, supporting broader dissemination and collaboration with external participants. Technologies/skills demonstrated: - Python/Jupyter notebooks for hydraulics simulations and perirhizal modeling workflows - Cross-tool alignment with MATLAB outputs for reproducibility - Git-based codebase maintenance, branching/merge readiness, and repository hygiene - Model validation, numerical stability awareness, and performance tuning
22 Commits • 11 Features
Sep 1, 2025September 2025 performance summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox. Focused on delivering higher fidelity hydraulics modeling, reproducibility across tools, expanded notebook-based workflows, and improved codebase maintainability, all while extending educational outreach via Summer School 2025. Key features delivered: - Soil hydraulics update: implemented improved computations/implementation to enhance accuracy and stability of soil moisture flow models. (commit 257750105934daec83eec71619b77cf036cfc989_chunk_1) - MATLAB outputs alignment: aligned model outputs with MATLAB results to ensure reproducibility and cross-tool validation. (commit 5d73d48d8bcb0a294918493eb2b06b5cce1fd10e) - Coupled soil-root hydraulics perirhizal models notebook: introduced notebook for integrated soil-root hydraulics with perirhizal models. (commit 5ed7d234828e56f94e9b63bc65e30e44bc840d9f) - Notebook 1/3/5 and Summer School 2025 feature set: added/updated notebooks and related features to support Summer School 2025 across multiple commits, enabling broader experimentation and education. Representative commits include 84ae948adbc7a7e9beafc6998926f0149df11038; dc461c3d506e61d3dcfadd22bd0f7ea643f160b6; 6df07a44285f1f7723aae4d7cc02584f58452d8a; 57206c48faec817cea1f2d9adf2ae3c5ebe2cca9; 019644f07d9160b034474288666f31d71486c3ec; 72e9f7997005ad6327f58968561bc3f8ee88d53b; 09e4d356e38dfce27f9f2734a519ffd6e8c8e743; e42b456f31d26e39c158971ed8d1c30b71fa4e22. - Codebase hygiene and repo readiness: updated source directory structure and aligned with master for smoother integration. Representative commits cf87cc343cdd63839860d70872ece9fa7a33e64f; ccd3249f0e6876d6201ca9e1e707d02455d43c76; 30d82ad5e6625c0a4bfc201c8627a165ec126e00. Major bugs fixed: - Fix Delay Definition: corrected the delay definition to ensure proper timing behavior. (commit 706c8d8ce5fef14abdb748a1ba96b3d5dbfcfcc3) Overall impact and accomplishments: - Delivered higher fidelity hydraulics modeling and reproducible outputs, enabling more reliable simulations and faster scientific validation. - Expanded modeling capabilities with integrated soil-root interactions, boosting research workflow efficiency and scenario analysis. - Strengthened codebase maintainability and onboarding through directory restructuring and master alignment, reducing integration risk and enabling faster iterations. - Extended educational reach with Summer School 2025 features and notebooks, supporting broader dissemination and collaboration with external participants. Technologies/skills demonstrated: - Python/Jupyter notebooks for hydraulics simulations and perirhizal modeling workflows - Cross-tool alignment with MATLAB outputs for reproducibility - Git-based codebase maintenance, branching/merge readiness, and repository hygiene - Model validation, numerical stability awareness, and performance tuning
September 2025
August 2025
14 Commits • 5 Features
Aug 1, 2025August 2025 (2025-08) monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox. Key features delivered include enhancements to the PhloemFlux module for plant growth and carbon/water transport, implementation of water leaching in the soil model with updated plotting and inner flux tracking, centralized weather data retrieval for real-time integration across simulations, MPI-based parallelization to accelerate plant–soil interaction simulations, and tutorial script topology and parameter improvements for more accurate topology modeling. Major bugs fixed include node indexing shift handling, PlantBox test initialization, and cleanup of unused items to improve log cleanliness and reproducibility. Overall impact: improved modeling accuracy, modularity, scalability, and testing robustness, enabling faster iterations and more reliable experimentation. Technologies/skills demonstrated: MPI parallelism, data-driven weather integration, modular refactoring and parameterization, Python scripting and testing, and codebase maintenance.
August 2025
14 Commits • 5 Features
Aug 1, 2025August 2025 (2025-08) monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox. Key features delivered include enhancements to the PhloemFlux module for plant growth and carbon/water transport, implementation of water leaching in the soil model with updated plotting and inner flux tracking, centralized weather data retrieval for real-time integration across simulations, MPI-based parallelization to accelerate plant–soil interaction simulations, and tutorial script topology and parameter improvements for more accurate topology modeling. Major bugs fixed include node indexing shift handling, PlantBox test initialization, and cleanup of unused items to improve log cleanliness and reproducibility. Overall impact: improved modeling accuracy, modularity, scalability, and testing robustness, enabling faster iterations and more reliable experimentation. Technologies/skills demonstrated: MPI parallelism, data-driven weather integration, modular refactoring and parameterization, Python scripting and testing, and codebase maintenance.
July 2025
27 Commits • 3 Features
Jul 1, 2025Month: 2025-07 — The Plant-Root-Soil-Interactions-Modelling/CPlantBox repository delivered targeted onboarding and code-organization improvements rather than new user-facing features. Key features delivered focused on tutorial content quality and modular refactoring to support maintainability and faster onboarding. No major bugs were reported for July; efforts concentrated on documentation accuracy and code structure improvements that reduce support touchpoints and speed up contributor ramp-up.
27 Commits • 3 Features
Jul 1, 2025Month: 2025-07 — The Plant-Root-Soil-Interactions-Modelling/CPlantBox repository delivered targeted onboarding and code-organization improvements rather than new user-facing features. Key features delivered focused on tutorial content quality and modular refactoring to support maintainability and faster onboarding. No major bugs were reported for July; efforts concentrated on documentation accuracy and code structure improvements that reduce support touchpoints and speed up contributor ramp-up.
July 2025
May 2025
4 Commits • 2 Features
May 1, 2025May 2025 monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox: Delivered production-ready dashboard improvements, stabilized stem growth orientation, and added a shoot growth delay parameter to enhance modeling fidelity. Fixed environment issues to improve local development experience and overall project quality. These changes advance business value by improving user navigation, modeling accuracy, and development efficiency.
May 2025
4 Commits • 2 Features
May 1, 2025May 2025 monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox: Delivered production-ready dashboard improvements, stabilized stem growth orientation, and added a shoot growth delay parameter to enhance modeling fidelity. Fixed environment issues to improve local development experience and overall project quality. These changes advance business value by improving user navigation, modeling accuracy, and development efficiency.
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox: Implemented robust safeguards in parameter calculations to prevent division-by-zero, streamlined the testing loop to run a single step for faster validation, and aligned the build defaults by updating CMakeLists.txt. These changes enhance simulation stability, reduce CI/test time, and lower risk of runtime errors in parameter-dependent computations.
1 Commits
Mar 1, 2025March 2025 monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox: Implemented robust safeguards in parameter calculations to prevent division-by-zero, streamlined the testing loop to run a single step for faster validation, and aligned the build defaults by updating CMakeLists.txt. These changes enhance simulation stability, reduce CI/test time, and lower risk of runtime errors in parameter-dependent computations.
March 2025
February 2025
6 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox. Focused on delivering core library improvements, enhanced 2D leaf modeling accuracy, robustness in parameter handling, and performance optimizations. These efforts collectively improve maintainability, model fidelity, and end-user performance while reducing configuration errors.
February 2025
6 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for Plant-Root-Soil-Interactions-Modelling/CPlantBox. Focused on delivering core library improvements, enhanced 2D leaf modeling accuracy, robustness in parameter handling, and performance optimizations. These efforts collectively improve maintainability, model fidelity, and end-user performance while reducing configuration errors.
January 2025
7 Commits • 2 Features
Jan 1, 2025During January 2025, delivered a set of enhancements to the Plant-Root-Soil-Interactions-Modelling/CPlantBox project focused on visualization improvements, data processing correctness, and module refactors aligned with updated hydraulic models. Implemented NumPy-based processing for plant structures via MappedOrganism, introduced a 2D visualization tutorial, and removed an outdated parameterization notebook. Stabilized visualization and root data handling and refactored the photosynthesis module with climate metadata and updated parameters, moving tutorial assets to an experimental directory. These changes improve visualization reliability, data accuracy for root-system calculations, and overall modeling fidelity, accelerating research workflows and decision-making with stronger reproducibility.
7 Commits • 2 Features
Jan 1, 2025During January 2025, delivered a set of enhancements to the Plant-Root-Soil-Interactions-Modelling/CPlantBox project focused on visualization improvements, data processing correctness, and module refactors aligned with updated hydraulic models. Implemented NumPy-based processing for plant structures via MappedOrganism, introduced a 2D visualization tutorial, and removed an outdated parameterization notebook. Stabilized visualization and root data handling and refactored the photosynthesis module with climate metadata and updated parameters, moving tutorial assets to an experimental directory. These changes improve visualization reliability, data accuracy for root-system calculations, and overall modeling fidelity, accelerating research workflows and decision-making with stronger reproducibility.
January 2025
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Quality Metrics
Correctness86.6%
Maintainability86.8%
Architecture84.4%
Performance78.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++CMakeCSSJSONJupyter NotebookPythonXMLjsonpython
Technical Skills
API UpdateBioinformaticsBug FixingBuild System ConfigurationC++C++ DevelopmentCSSCode CleanupCode MaintenanceCode OrganizationCode RefactoringCode refactoringComputational BiologyDashData Analysis
Repositories Contributed To
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