Metrica – an application for collecting and navigating geodetic control network points. Part I: Motivation, assumptions, and issues

IF 0.9 Q4 REMOTE SENSING
Anna Przewięźlikowska, Wioletta Ślusarczyk, Klauda Wójcik, K. Maciuk
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引用次数: 1

Abstract

Abstract The result of surveys largely depends on the accuracy and measurement technique of the control network. This research work presents the application Metrica, dedicated for collection and navigation of geodetic control network points. The main goal of this study is to present the motivation, methodology, and issues with analysis of the database of vertical control points. Such analysis covers south part of Poland territory for the update of the existing set of points of the vertical control network on an ongoing basis. The application has been developed with the use of a test database of points. The status of the points was checked by means of a multi-stage analysis. The prepared database of points was verified taking into account the criteria defined by the authors. In order to optimise the scoring analysis process, two groups of criteria were distinguished: independent of each other and those whose analysis was justified only under the condition of prior verification of other criteria. Based on the analysis of the collected data, the main conclusion was the ongoing need to update the data on the matrix points. It was found that information on points is often incomplete and inaccurate, especially in terms of their horizontal position, which often prevents efficient localisation of points. One of the most significant findings was that only 55.6% of the points available in the database were identified in the field. It should be noted that despite the analysis of the state of the matrix carried out in 2019 on behalf of the GUGiK, there are still many points about which information is not fully up-to-date. It is now possible to extend the application with new attributes and validation rules and conduct updates for several types of geodetic networks. Due to the extensive character of the discussed subject, the study has been divided into two parts. The continuation of this study is the second research work, which presents the development of a mobile application for the update of the geodetic control network. It will present in detail the procedures and IT application development processes.
Metrica -一个收集和导航大地测量控制网络点的应用程序。第一部分:动机、假设和问题
测量结果在很大程度上取决于控制网的精度和测量技术。本文介绍了用于大地测量控制网点采集和导航的应用程序Metrica。本研究的主要目的是提出垂直控制点数据库分析的动机、方法和问题。这种分析包括波兰南部领土,以便不断更新垂直控制网现有的一组点。该应用程序是利用测试点数据库开发的。用多阶段分析的方法检查了各点的状态。考虑到作者确定的标准,对编制的点数据库进行了验证。为了优化评分分析过程,区分了两组标准:相互独立的标准和只有在事先验证其他标准的情况下分析才合理的标准。根据对收集数据的分析,主要结论是需要不断更新矩阵点上的数据。研究发现,关于点的信息往往是不完整和不准确的,特别是在它们的水平位置方面,这往往阻碍了点的有效定位。最重要的发现之一是,数据库中只有55.6%的可用点在该领域得到了识别。应该指出的是,尽管代表GUGiK在2019年对矩阵状态进行了分析,但仍有许多方面的信息尚未完全更新。现在可以使用新的属性和验证规则扩展应用程序,并对几种类型的大地测量网进行更新。由于所讨论主题的广泛性,本研究分为两部分。本研究的延续是第二项研究工作,它提出了一个用于大地测量控制网更新的移动应用程序的开发。它将详细介绍程序和资讯科技应用程序的开发过程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Geodetic Science
Journal of Geodetic Science REMOTE SENSING-
CiteScore
1.90
自引率
7.70%
发文量
3
审稿时长
14 weeks
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