PID2Graph

The PID2Graph dataset is a collection of P&IDs (Piping and Instrumentation Diagrams) paired with their corresponding graph structures. This dataset provides opportunities to explore the relationships between symbols and lines in P&IDs, enabling various applications in fields like engineering and computer vision. Citation To cite this dataset, please cite the following paper: Stürmer, J. M., Graumann, M., & Koch, T. (2025)From Engineering Diagrams to Graphs: Digitizing P&IDs with Transformers2025 IEEE 12th International Conference on Data Science and Advanced Analytics (DSAA)https://doi.org/10.1109/DSAA65442.2025.11248012 Data Structure In this dataset, symbols are represented as nodes, each with a bounding box defined by its coordinates (xmin, ymin, xmax, ymax) and a label. Lines are represented as edges, also accompanied by a label. The ground truth information is stored in a .graphml file, which can be easily imported and converted into a network graph using libraries like NetworkX in Python. Note that the graphs include nodes with a "connector" label, which marks the connection point of symbols and lines as well as "border-nodes" for the patched data, that marks the location of a line "leaving" a patch. The dataset is organized into two main categories: Complete Plans: This section contains entire P&ID plans, each with its associated graph structure. Patched Plans: This section contains a collection of patched P&ID plans with overlaps, where each patched file has its own corresponding graphml file. This allows for the analysis of overlapping regions and the relationships between them. Further information and analysis of the dataset can be found in the paper mentioned above. Sources Dataset PID Referenced by: Paliwal, S., Jain, A., Sharma, M., & Vig, L. (2021). Digitize-PID: Automatic Digitization of Piping and Instrumentation Diagrams. ArXiv, abs/2109.03794. License: CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) PID2Graph OPEN100 Taken from: https://www.open-100.com/ Created by: Energy Impact Center (https://www.energyimpactcenter.org/) PID2Graph Synthetic Symbols: Copyright 2023 Steven Baltakatei Sandoval (https://baltakatei.com/) License: CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/)