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相关概念视频

Manipulation and Analysis01:21

Manipulation and Analysis

17
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
17
Levels of Use of a GIS01:29

Levels of Use of a GIS

37
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
37
Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

30
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
30
Introduction to GIS01:28

Introduction to GIS

51
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
51
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

26
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
26
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

35
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
35

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相关实验视频

Updated: May 23, 2025

Practical Methodology of Cognitive Tasks Within a Navigational Assessment
05:19

Practical Methodology of Cognitive Tasks Within a Navigational Assessment

Published on: June 1, 2015

13.5K

系统评估基于WCAG的数字地图工具

Brandon Biggs1, James M Coughlan2, Bruce N Walker3

  • 1Smith-Kettlewell Eye Research Institute, Georgia Institute of Technology, and XR Navigation.

Journal on technology and persons with disabilities : ... Annual International Technology and Persons with Disabilities Conference
|May 22, 2025
PubMed
概括
此摘要是机器生成的。

数字地图工具通常无法满足残疾用户的可访问性标准. 大多数工具缺乏诸如文本替代品和键盘可操作性等基本功能,阻碍了访问.

关键词:
可访问 可访问.这是一个数字数字数字数字数字数字数字.评价 评价 评价一个地图,一个地图.在WCAG中,使用的是WCAG.

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Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test
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Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

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Orienteering as a Tool for Cognitive Research: An Implementation Guide
07:13

Orienteering as a Tool for Cognitive Research: An Implementation Guide

Published on: November 29, 2024

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相关实验视频

Last Updated: May 23, 2025

Practical Methodology of Cognitive Tasks Within a Navigational Assessment
05:19

Practical Methodology of Cognitive Tasks Within a Navigational Assessment

Published on: June 1, 2015

13.5K
Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test
08:07

Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

Published on: November 23, 2019

10.9K
Orienteering as a Tool for Cognitive Research: An Implementation Guide
07:13

Orienteering as a Tool for Cognitive Research: An Implementation Guide

Published on: November 29, 2024

647

科学领域:

  • 数字地图绘制数字地图绘制
  • 人与计算机的互动.
  • 网络可访问性标准 网络可访问性标准

背景情况:

  • 数字地图是职业和日常生活中必不可少的工具.
  • 目前的数字地图可访问性不足,对残疾用户构成挑战.
  • 网站内容可访问性准则 (WCAG) 2.1 为数字可访问性提供了一个框架.

研究的目的:

  • 根据WCAG 2.1标准评估流行的数字地图工具的可访问性.
  • 确定残疾人使用数字地图所面临的特定可访问性障碍.
  • 建议对WCAG标准进行调整,以便更好地应用于地理地图.

主要方法:

  • 对14个领先的数字地图工具进行了部分可访问性合规报告 (ACR) 的比较.
  • 评估了与地理地图相关的15个WCAG 2.1标准.
  • 对标准1.1.1 (非文本内容),1.4.11 (非文本对比度) 和2.1.1 (键盘可访问性) 应用了修改后的定义.

主要成果:

  • 在大多数评估的数字地图工具中发现了重大可访问性问题.
  • 只有一个工具,Audiom,完全符合评估的WCAG标准.
  • 常见的缺点包括不充分的文本替代品,不良的非文本对比度和缺乏键盘操作性.

结论:

  • 迫切需要数字地图开发人员来改善可访问性.
  • 改进的地图可访问性有利于残疾用户,扩大用户基础,并推动创新.
  • 该研究为改善学术和实践环境中的数字地图可访问性提供了一个框架和指南.