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User-defined mid-air gestures for multiscale GIS interface interaction 用户自定义的空中手势用于多尺度GIS接口交互
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-03-02 DOI: 10.1080/15230406.2023.2183900
Xiaozhou Zhou, Ruidong Bai
ABSTRACT Multisize geographic information system (GIS) has widely used in social life, and the introduction of natural interactive methods such as gesture interaction further broadens the applications of GIS. Gestures, as a natural means of expression, bring a convenient experience to the use of GIS. The user-elicitation method can determine the user’s original operational intention and take advantage of the natural and convenient gesture interaction. However, current research on elicitation methods mainly focuses on defining the function factors of operation commands and rarely considers the influence of environmental factors such as spatial sizes. This paper takes GIS as the object, which is closely related to multisize space. This paper reports a research project on user-defined gestures for interacting with two-dimensional maps in a virtual reality environment, including three types of GIS operation commands and six sizes of maps. The results showed that the user-defined gestures for the same GIS operation commands varied across map sizes. The increase in map size increased the amount of gestural movement. Drawing on our research, we developed a set of gestures for multisize GIS interface interaction. We hope that this research can provide a guiding foundation for mid-air gesture design for all multisize interfaces.
摘要多尺度地理信息系统(GIS)在社会生活中得到了广泛的应用,手势交互等自然交互方法的引入进一步拓宽了GIS的应用范围。手势作为一种自然的表达方式,给地理信息系统的使用带来了便利的体验。用户启发方法可以确定用户的原始操作意图,并利用自然方便的手势交互。然而,目前对启发式方法的研究主要集中在定义作战指挥的功能因素上,很少考虑空间大小等环境因素的影响。本文以GIS为研究对象,它与多尺度空间密切相关。本文报告了一个关于在虚拟现实环境中与二维地图交互的用户定义手势的研究项目,包括三种类型的GIS操作命令和六种尺寸的地图。结果表明,相同GIS操作命令的用户定义手势因地图大小而异。地图大小的增加增加了手势的移动量。根据我们的研究,我们开发了一套用于多尺寸GIS界面交互的手势。我们希望这项研究能为所有多尺寸界面的空中手势设计提供指导性基础。
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引用次数: 1
Evaluating individual cartographic skills using mental sketches 使用心理草图评估个人制图技能
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-23 DOI: 10.1080/15230406.2023.2176929
Kamil Nieścioruk
ABSTRACT The paper deals with a problem of assessing of individual progress of students’ cartographic skills. For teacher it is important to evaluate it not only in a form of tests and semester works, but also in a less formal, score-oriented manner. The author uses mental sketches to observe results of a teaching process. The research is based on previously described author’s method with modification to trace individual, anonymized changes. The identical cartographic survey (map drawing task) was conducted and repeated among students five times during the entire study cycle. Results were analyzed with cartographic methodology in mind, to assess the skills of students, their progress and used methods of presentation. Students’ approach to using point, line and areal features were tested as well as design abilities in case of symbols. Information on progress and skills were used not only to observe statistical changes. The outcomes were applied in a process of evaluating the teaching effectiveness. The survey was conducted in a relation to real courses, hence the results are of great value in increasing the quality of studies and teaching methods. Some of ideas have already been introduced in cartography and GIS classes taught by the author. Key policy highlights Sketches allow assessing of different aspects of spatial knowledge and skills. Sketches could be applied as an element of knowledge evaluation and to trace individual progress in anonymous way without being oriented on students’ grades. Proposed model gives a teacher information on quality and efficiency of teaching. It can be applied to update map-making courses content. The approach can be used in other, drawing-based, courses.
摘要本文讨论了一个评估学生制图技能个体进步的问题。对于教师来说,重要的是不仅要以测试和学期作业的形式来评估它,还要以一种不那么正式的、以分数为导向的方式来评估它。作者使用心理素描来观察教学过程的结果。这项研究基于之前描述的作者的方法,并对其进行了修改,以追踪个人的匿名变化。在整个学习周期中,学生们进行了五次相同的制图调查(地图绘制任务)。对结果进行了分析,并考虑到制图方法,以评估学生的技能、他们的进步和使用的演示方法。测试了学生使用点、线和面特征的方法,以及在符号的情况下的设计能力。关于进展和技能的信息不仅用于观察统计变化。这些结果被应用于评估教学效果的过程中。这项调查是根据实际课程进行的,因此其结果对提高学习质量和教学方法具有重要价值。作者在制图和地理信息系统课程中已经介绍了一些想法。关键政策亮点草图允许评估空间知识和技能的不同方面。素描可以作为知识评估的一个元素,以匿名的方式追踪个人的进步,而不以学生的成绩为导向。所提出的模型为教师提供了关于教学质量和效率的信息。它可以应用于地图制作课程内容的更新。这种方法可以用于其他基于绘图的课程。
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引用次数: 0
Discovering spatiotemporal flow patterns: where the origin–destination map meets empirical orthogonal function decomposition 发现时空流动模式:起点-终点图满足经验正交函数分解
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2023.2171490
Mengjie Zhou, Qingyang Fu, Yige Li, Yixin Wang, Xiaomi Wang, Wenqing Hu
ABSTRACT Flows are usually represented as vector lines from origins to destinations and can reflect the movements of individuals or groups in space and time. Revealing and analyzing the spatiotemporal flow patterns are conducive to understanding information underlying movements. This paper proposes a new method called the OD – EOF (Origin – Destination – Empirical Orthogonal Function) to discover important spatiotemporal flow patterns on the premise of maintaining the pairwise connections between origins and destinations. We first construct a spatiotemporal flow matrix that contains connection information between origins and destinations and temporal flow information by adding a temporal dimension to the OD map. Then, we decompose the spatiotemporal flow matrix into spatial modes and corresponding time coefficients by EOF decomposition. The decomposition results depict the prominent spatial distribution of and temporal variation in flows, with most of the spatiotemporal characteristics highly concentrated into the first few spatial modes. The method is evaluated by five synthetic datasets and a user study and subsequently applied to analyze the impact of the COVID-19 pandemic on the spatiotemporal patterns of human mobility in China during the Spring Festival travel rush in 2020 and 2021. The results show the prominent spatiotemporal patterns of human mobility during these periods under the influence of the COVID-19 pandemic outbreak and the normalization of pandemic prevention and control.
摘要流通常表示为从起点到终点的矢量线,可以反映个人或群体在空间和时间上的运动。揭示和分析时空流动模式有助于理解运动背后的信息。本文提出了一种新的方法,称为OD–EOF(起源-目的地-经验正交函数),以在保持起源和目的地之间的成对连接的前提下发现重要的时空流动模式。我们首先通过向OD图添加时间维度来构建时空流矩阵,该矩阵包含起点和终点之间的连接信息以及时间流信息。然后,我们通过EOF分解将时空流矩阵分解为空间模式和相应的时间系数。分解结果描述了流量的显著空间分布和时间变化,大多数时空特征高度集中在前几个空间模式中。该方法通过五个合成数据集和一项用户研究进行评估,随后应用于分析新冠肺炎疫情对2020年和2021年春运高峰期间中国人口流动时空模式的影响。研究结果表明,在新冠肺炎疫情暴发和疫情防控常态化的影响下,这些时期人类流动的时空格局突出。
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引用次数: 1
Informative cartographic communication: a framework to evaluate the effects of map types on users’ interpretation of COVID-19 geovisualizations 信息制图传播:评估地图类型对用户解释新冠肺炎地理可视化效果的框架
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2022.2155249
A. Rezk, M. Hendawy
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引用次数: 5
Geography education improves spatial ability: evidence from fMRI and behavioral experiments 地理教育提高空间能力:功能磁共振成像和行为实验的证据
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2023.2171493
Weihua Dong, Qi Ying, Tianyu Yang, Ling Zhu, Yu Liu, X. Wan
ABSTRACT Previous behavior experimental studies indicate that geography education facilitates the development of students’ spatial ability. However, it is unclear how geography education shapes student brain activity and promotes spatial ability. In this article, we proposed a neuroscience-based method to explore the relationship between geography education and spatial ability. We conducted a behavioral experiment with 63 participants and an fMRI experiment with 49 participants. All the participants were divided into groups according to their undergraduate years and majors completed four spatial ability tasks. The fMRI and behavioral results revealed that after four years of geography education, students had greater mental rotation, spatial visualization and spatial relation reasoning abilities than non-geography students. The activation and functional connectivity of brain regions further indicated that geography education improved students’ spatial reference, spatial memory, visual attention and spatial decision-making. Our findings offer new neuroscience evidence that geography education can improve the spatial ability of undergraduate students, and provide new neuroimaging approach for geographic talent cultivation and curriculum assessment.
以往的行为实验研究表明,地理教育有利于学生空间能力的发展。然而,目前尚不清楚地理教育是如何塑造学生的大脑活动和提高空间能力的。在这篇文章中,我们提出了一种基于神经科学的方法来探索地理教育与空间能力之间的关系。我们进行了一项有63名参与者的行为实验,以及一项有49名参与者的功能磁共振成像实验。所有参与者根据本科年龄和专业分为四组,完成四项空间能力任务。功能磁共振成像和行为学结果显示,经过四年的地理教育,学生比非地理学生具有更强的心理旋转、空间可视化和空间关系推理能力。大脑区域的激活和功能连接进一步表明,地理教育提高了学生的空间参考、空间记忆、视觉注意力和空间决策能力。我们的研究结果为地理教育可以提高本科生的空间能力提供了新的神经科学证据,并为地理人才培养和课程评估提供了一种新的神经影像学方法。
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引用次数: 2
Characterizing behaviors of territorial-dispute-related mapping in OpenStreetMap OpenStreetMap中领土争端相关映射行为的表征
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2023.2171491
Anran Yang, H. Fan, Luo Chen, Qingren Jia, Jun Li
ABSTRACT OpenStreetMap (OSM) as one of the most successful projects of Volunteered Geographical Information (VGI) has attracted millions of contributors to work together and produces massive open geographical data. However, the co-work does not always run smoothly since mapping can involve conflicted understandings of the reality. In this paper, we investigate behaviors of mapping related to territorial disputes to reveal the characteristics of contributions and examine the contradictions between ground truth as the vision of OSM and the theory of critical cartography. We perform our experiments from the perspectives of entities, changesets, and contributors using the full history data of OSM. The experiments show that territorial-dispute-related contributions have substantially different characteristics from various aspects but they cannot be treated as outliers either, considering that most contributors do not focus on disputed boundaries. Interpreting OSM data as a converging state to ground truth or equally opinions can both be inaccurate. We also find that mapping disputes may not be absolutely negative in a VGI project. Key policy highlights We perform quantitative, large-scale (global) analysis of dispute-related mapping. The results show that territorial-dispute-related contributions and contributors are different from contributions and contributors in general. Territorial-dispute-related mapping is not an independent phenomenon for OSM. The contributors make much more disputes-unrelated contributions. Dispute-related entities have more (divergent) versions than normal boundaries, attract more participants, and are more semantically complete, especially for names. Dispute-related changesets generally attract more discussions. The spatial distribution of the dispute-related changesets is consistent with real-world territorial disputes and very different from that of all boundary-related changesets and all changesets. Contributors who participate in dispute-related contributions are generally more active. These users tend to have a special interest in boundaries but most of them do not focus on disputed boundaries.
OpenStreetMap (OSM)作为志愿地理信息(VGI)最成功的项目之一,吸引了数以百万计的贡献者共同努力,产生了海量的开放地理数据。然而,协作并不总是顺利进行,因为映射可能涉及对现实的相互冲突的理解。本文研究了与领土争端相关的制图行为,揭示了贡献的特征,并考察了作为OSM愿景的地面真相与批判性制图理论之间的矛盾。我们使用OSM的完整历史数据,从实体、变更集和贡献者的角度执行我们的实验。实验表明,与领土争端相关的贡献在各个方面具有本质上不同的特征,但也不能将其视为异常值,因为大多数贡献并不关注有争议的边界。将OSM数据解释为趋同于基本事实或平等观点的状态都可能是不准确的。我们还发现,在VGI项目中,映射争议可能不是绝对负面的。我们对与争议相关的制图进行定量、大规模(全球)分析。结果表明,与领土争端相关的贡献和贡献者不同于一般的贡献和贡献者。与领土争端有关的制图对欧陆监测组织来说不是一个独立的现象。贡献者做出了更多与争议无关的贡献。与争议相关的实体比正常边界有更多(不同的)版本,吸引更多的参与者,并且语义更完整,特别是对于名称。与争议相关的变更集通常会吸引更多的讨论。争议相关变更集的空间分布与现实世界的领土争议一致,与所有边界相关变更集和所有变更集的空间分布有很大不同。参与争议相关贡献的贡献者通常更为活跃。这些用户往往对边界有特殊的兴趣,但他们中的大多数人并不关注有争议的边界。
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引用次数: 1
VASA: an exploratory visualization tool for mapping spatio-temporal structure of mobility – a COVID-19 case study VASA:用于绘制交通时空结构的探索性可视化工具——以COVID-19为例
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2022.2156388
E. Noi, A. Rudolph, S. Dodge
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引用次数: 0
Research on map emotional semantics using deep learning approach 基于深度学习方法的地图情感语义研究
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2023.2172081
Daping Xi, Xini Hu, Lin F. Yang, Nai Yang, Yanzhu Liu, Han Jiang
ABSTRACT The main purpose of the research on map emotional semantics is to describe and express the emotional responses caused by people observing images through computer technology. Nowadays, map application scenarios tend to be diversified, and the increasing demand for emotional information of map users bring new challenges for cartography. However, the lack of evaluation of emotions in the traditional map drawing process makes it difficult for the resulting maps to reach emotional resonance with map users. The core of solving this problem is to quantify the emotional semantics of maps, it can help mapmakers to better understand map emotions and improve user satisfaction. This paper aims to perform the quantification of map emotional semantics by applying transfer learning methods and the efficient computational power of convolutional neural networks (CNN) to establish the correspondence between visual features and emotions. The main contributions of this paper are as follows: (1) a Map Sentiment Dataset containing five discrete emotion categories; (2) three different CNNs (VGG16, VGG19, and InceptionV3) are applied for map sentiment classification task and evaluated by accuracy performance; (3) six different parameter combinations to conduct experiments that would determine the best combination of learning rate and batch size; and (4) the analysis of visual variables that affect the sentiment of a map according to the chart and visualization results. The experimental results reveal that the proposed method has good accuracy performance (around 88%) and that the emotional semantics of maps have some general rules. Key policy highlights A Map Sentiment Dataset with five discrete emotions is constructed Map emotional semantics are classified by deep learning approaches Visual variables Influencing map sentiment are analyzed.
摘要地图情感语义研究的主要目的是通过计算机技术来描述和表达人们观察图像所引起的情感反应。如今,地图应用场景趋于多样化,地图用户对情感信息的需求不断增加,给地图制图带来了新的挑战。然而,在传统的地图绘制过程中,缺乏对情绪的评估,使得生成的地图很难与地图用户达成情感共鸣。解决这个问题的核心是量化地图的情感语义,它可以帮助地图制作者更好地理解地图情感,提高用户满意度。本文旨在通过应用迁移学习方法和卷积神经网络(CNN)的高效计算能力来建立视觉特征和情绪之间的对应关系,对地图情感语义进行量化。本文的主要贡献如下:(1)一个包含五个离散情绪类别的地图情绪数据集;(2) 将三种不同的细胞神经网络(VGG16、VGG19和InceptionV3)应用于地图情感分类任务,并通过准确性性能进行评估;(3) 六种不同的参数组合,以进行实验,从而确定学习率和批量大小的最佳组合;以及(4)根据图表和可视化结果分析影响地图情绪的视觉变量。实验结果表明,该方法具有良好的准确率(约88%),并且地图的情感语义具有一些通用规则。关键政策亮点构建了一个包含五种离散情绪的地图情绪数据集。通过深度学习方法对地图情绪语义进行分类。分析了影响地图情绪的视觉变量。
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引用次数: 0
How does spatial cognitive style affect indoor fire evacuation wayfinding in mobile virtual reality? 空间认知方式如何影响移动虚拟现实中室内火灾疏散寻路?
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2023.2176928
Pei Dang, Jun Zhu, Xiaoqi Qiao, Jianli Wu, Weilian Li, Jigang You, Lin Fu
ABSTRACT In emergency situations such as fire evacuation, indoor wayfinding is a complex and challenging task that is closely related to spatial cognition and spatial ability. This study discusses the indoor wayfinding ability of evacuees from the perspective of spatial cognitive style. Spatial cognitive style can be divided into: landmark, route, survey (ordered from low to high). We measured the spatial cognitive style of participants, created a realistic virtual scene with a LiDAR scanner, and finally captured real behavior data using mobile virtual reality. The results show that people with a survey style can better extract information from an evacuation map and use it correctly, and they have a stronger sense of direction and cognition of the evacuation scene. People with a route or landmark style rely more on evacuation signs and following others to find their way and are more likely to lose their way in an emergency. These findings are helpful to explain the differences in wayfinding strategies and escape results of people in a fire evacuation.
在火灾疏散等紧急情况下,室内寻路是一项复杂而具有挑战性的任务,与空间认知和空间能力密切相关。本研究从空间认知风格的角度探讨疏散人员的室内寻路能力。空间认知风格可分为:地标、路线、调查(从低到高排序)。我们测量了参与者的空间认知风格,用激光雷达扫描仪创建了一个逼真的虚拟场景,最后用移动虚拟现实捕捉了真实的行为数据。结果表明,具有调查风格的人能够更好地从疏散地图中提取信息并正确使用疏散地图,对疏散场景有更强的方向感和认知。有路线或地标风格的人更多地依赖疏散标志和跟随他人找到路,在紧急情况下更容易迷路。这些发现有助于解释人们在火灾疏散中寻路策略和逃生结果的差异。
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引用次数: 3
A chorem-based approach to visualizing COVID-19-related data 基于编排的covid -19相关数据可视化方法
IF 2.5 3区 地球科学 Q1 GEOGRAPHY Pub Date : 2023-02-21 DOI: 10.1080/15230406.2022.2157878
Fatiha Meddah, Wafaa Hanifa Guerroudji
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引用次数: 1
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Cartography and Geographic Information Science
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