Data Picker

An open-source tool for extracting coordinate data from images.

Introduction

Data Picker is a practical data extraction tool that can obtain x-y coordinate data from image files. Whether you are a researcher, engineer, or student, when you need to extract raw data from chart images, Data Picker provides a convenient solution.

Technical Architecture

This project is developed based on wxWidgets and OpenGL, providing a cross-platform graphical interface and efficient image rendering capabilities.

Features

• Extract x-y coordinate data from image files
• Intuitive coordinate axis definition interface
• Flexible mouse operations: pick, delete, move, and zoom
• Support for image drag-and-drop functionality
• Support for pasting images from clipboard
• Data point list viewing function

Interface Preview

As shown above, Data Picker provides a simple and intuitive user interface with complete coordinate axis definition and data point picking functions.

Usage

1. Define Coordinate Axes

First use the <Edit> menu or the corresponding buttons on the toolbar to define coordinate axes:

• Use <Select X1> to define the first point on the x-axis
• Use <Select X2> to define the second point on the x-axis
• Use <Select Y1> to define the first point on the y-axis
• Use <Select Y2> to define the second point on the y-axis
• [Optional] If the image coordinate system is not a parallelogram, use <Select Corner> to define the corner point

2. Data Point Operations

• Left-click - Pick and add new data points
• Right-click - Delete the last picked data point
• Middle-button drag - Move the image
• Mouse wheel - Zoom the image

3. Data Management

• Use the <List> menu or button to list picked data points
• Support for image file drag-and-drop operations
• Support for pasting images from clipboard

System Requirements

• Windows 64bit operating system

Installation Instructions

1. Download the latest version of Data Picker from the Releases page
2. Extract the zip package to any directory
3. Run DataPicker_x64.exe to start using

License

MIT License

Acknowledgments

Thank you for using Data Picker! We hope this tool will bring convenience to your work and research.