ST-Map:an Interactive Map for Discovering Spatial and Temporal Patterns in Bibliographic Data

Getting insight into the spatiotemporal distribution patterns of knowledge innovation is receiving increasing attention from policymakers and economic research organizations.Many studies use bibliometric data to analyze the popularity of certain research topics,well-adopted methodologies,influential authors,and the interrelationships among research disciplines.However,the visual exploration of the patterns of research topics with an emphasis on their spatial and temporal distribution remains challenging.This study combined a Space-Time Cube(STC)and a 3D glyph to represent the complex multivariate bibliographic data.We further implemented a visual design by developing an interactive interface.The effectiveness,understandability,and engagement of ST-Map are evaluated by seven experts in geovisualization.The results suggest that it is promising to use three-dimensional visualization to show the overview and on-demand details on a single screen.

面向河长制的河道管理动态交互式仪表盘地图设计

在生态文明建设背景下,全面推行河长制是我国解决复杂水问题、维护河湖生态健康的有力措施,然而当前仍存在面向河长制的河道管理地图理论研究不足、设计方法缺失等问题。首先本研究以河长制内涵解析为突破点,以地图视角剖析用户关注信息和用图需求,从横向协同及纵向协同结合的维度提出“多部门协同联动、多级河长任务分解”的河道管理地图设计理念,从而构建河道管理地图内容框架。其次,基于地理场景理论对河道管理场景中的时间、地点、人物、事物、事件与现象等要素进行归纳分析,以指导各图组的制图表达内容选取。然后,选择交互式仪表盘的表现形式及电子大屏这一传播媒介,基于用户体验五要素模型、认知、视觉、地图交互科学等理论,进行大屏幕地图的信息架构设计、界面版式设计、色彩配置、信息设计及交互设计。最后,以上海市宝山区为例,设计并实现河道管理仪表盘地图系统并进行系统性可用性评估,结果显示该仪表盘地图能够支持多尺度的河道管理信息显示,帮助用户清晰了解河长制相关信息。本研究旨在促进面向河长制的河道管理地图标准化与规范化、多部门协同管理、共建共享等方面发挥积极作用。