AUTHOR=Feng Chongjun , Qin Tao , Ai Bo , Ding Jun , Wu Tianyu , Yuan Ming 

TITLE=Dynamic typhoon visualization based on the integration of vector and scalar fields

JOURNAL=Frontiers in Marine Science

VOLUME=Volume 11 - 2024

YEAR=2024

URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2024.1367702

DOI=10.3389/fmars.2024.1367702

ISSN=2296-7745

ABSTRACT=Typhoons and other marine meteorological disasters often bring significant losses to human beings, and their data are characterized by multiple sources and scales, which makes the traditional visualization methods unable to accurately express the characteristics and movement trends of the disasters, which is not conducive to human's understanding of the evolutionary pattern of marine meteorological disasters and the adoption of disaster prevention and mitigation measures. To address the above problems, this study proposes a typhoon dynamic visualization method based on the integration of vector and scalar fields. The method uses the ray casting method to visualize the volume rendering of typhoon scalar data, proposes a hybrid interpolation method to improve the visualization efficiency, and introduces the Sobel operator to achieve the edge enhancement of the volume rendering effect.Meanwhile, a particle system approach is used for dynamic visualization of typhoon vector data, where the tedious particle motion calculation is divided into two parts: parallel tracking and dynamic rendering to improve the visualization efficiency, and the Lagrangian field representation of the particle system is achieved. The experimental results show that the typhoon visualization method proposed in this study has better comprehensive visual effects, with a rendering frame rate greater than 44, and can stably and smoothly express the continuous spatio-temporal dynamic visualization features of the typhoon, which is of great significance for the expression of typhoon data and its spatio-temporal change analysis.