Salt Craft Visual Analytics System

The traditional well salt production process in Sichuan is an important component of Chinese culinary culture, and its in-depth exploration contributes to the inheritance and promotion of intangible cultural heritage. To systematically analyze the production techniques of well salt and uncover its health value, this study proposes a multidimensional visual analytics system. First, novel visualization designs such as the "Bamboo Diagram" process metaphor and the "Fuxi River" spatiotemporal flow view are introduced to help users analyze the characteristics of traditional salt-making techniques from multiple dimensions. Second, through cluster analysis of the mineral composition of four types of salt (well salt, sea salt, etc.), a three-dimensional "composition-efficacy-population" correlation model is constructed, enabling users to explore the health benefits of different salts from various perspectives. Finally, a comprehensive well salt data visual analytics system is built with multi-view linkage, supporting users in exploring and comparing the salt-making process and health value at multiple levels. Through compositional analysis and efficacy validation, a scientific evaluation of the data confirms that well salt is rich in minerals such as potassium and calcium, highlighting its health benefits for hypertensive populations. The effectiveness of the visualization views and the practicality of the system are also demonstrated.