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Development of Web Processing Services for the automated generalisation of isolated polygon groups (WPS-PolyGen)

开发用于自动概括孤立多边形组的 Web 处理服务 (WPS-PolyGen)

基本信息

批准号：
262049838
负责人：
Professor Dr.-Ing. Dirk Burghardt
金额：
--
依托单位：
Institut für Kartographie
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2014
资助国家：
德国
起止时间：
2013-12-31 至 2020-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/262049838?language=en
关键词：
Development Web Processing Services automated

项目摘要

The production of topographic and thematic maps for paper and web presentations are based increasingly on automated procedures. They are supported by manual, interactive pre-and post-processing depending on the application and quality requirements. The aim of the proposed project is to develop automated generalisation procedures further, in particular approaches for processing grouped cartographic objects. Necessary therefore is the consideration of structural relations, which is the generalisation task with the greatest complexity as mentioned by Bertin (1974).First approaches that overcome an isolated generalisation of single objects exist for the aggregation within polygon mosaics, for the thinning of roads and water networks as well as for the generalisation of building groups. Advanced research and development is required for the derivation of cartographic representations of isolated polygon groups which stand for natural objects such as lakes, islands and forests.In the proposed project, the following main tasks has to be processed. First, techniques must be developed for the partitioning and conflict detection using spatial index structures such as the R-tree. In the second step, the design and development of generalisation algorithms has to be carried out for isolated polygon groups with focus on the typification. Starting point can be the utilisation of hierarchical, agglomerative and graph-based clustering methods. The aim is to develop an iterative method, which generates characteristic representations in consideration of scale respective resolution with increasing distance and size thresholds. The third main task is on the modelling and consideration of structural relationships between polygons in the generalisation process. For this purpose, enriched data structures can be introduced implemented as horizontal relational objects and additional cartographic constraints has to be defined to maintain respective homogenise the group properties.Complementary to the above mentioned tasks the projects aims on the implementation of further generalisation operators for isolated polygon groups as Web Processing Service. Research questions will deal with the orchestration and combination of the generalisation operators which have been developed for individual and group objects. The still predominant isolated generalisation of individual objects could be overcome. A new qualitative level can be achieved in the automated map production through the development of approaches for modelling relations in terms of data enrichment and a consideration of the structural relationships by generalisation operators. Refined generalisation web services would help to reduce manual processing and to increase the actuality of maps.

地形图和专题图的制作越来越多地采用自动化程序，以供纸面和网上展示。根据应用和质量要求，它们由手动交互式预处理和后处理提供支持。拟议项目的目的是进一步开发自动化综合程序，特别是处理成组制图对象的方法。因此，有必要考虑结构关系，这是Bertin（1974）提到的最复杂的概括任务。克服单个对象孤立概括的第一种方法存在于多边形马赛克内的聚合，道路和供水网络的细化以及建筑群的概括。需要进行先进的研究和开发，以绘制代表湖泊、岛屿和森林等自然物体的孤立多边形群的地图。首先，必须开发使用空间索引结构（如R树）进行分区和冲突检测的技术。在第二步中，设计和开发的综合算法必须进行孤立的多边形组，重点是典型化。起点可以是利用分层、凝聚和基于图的聚类方法。其目的是开发一种迭代方法，该方法在考虑尺度各自的分辨率与增加的距离和大小阈值的情况下生成特征表示。第三个主要任务是在概括过程中多边形之间的结构关系的建模和考虑。为此目的，丰富的数据结构可以引入实现水平关系对象和额外的制图约束必须定义，以保持各自的同质化组properties.Complementary上述任务的项目旨在进一步概括运营商孤立的多边形组的Web处理服务的实施。研究问题将处理的编排和综合运营商已开发的个人和群体对象的组合。仍然占主导地位的个别对象的孤立概括可以克服。一个新的质量水平可以实现在自动化地图生产的方法，通过开发的建模关系方面的数据丰富和考虑的结构关系的概括运营商。完善的综合网络服务将有助于减少人工处理，提高地图的真实性。