[PDF] An Optimization-Based Approach for Continuous Map Generalization pdf free download
0kommentarerAn Optimization-Based Approach for Continuous Map Generalization. Dongliang Peng
Author: Dongliang Peng
Date: 29 May 2019
Publisher: Würzburg University Press
Language: English
Format: Paperback::152 pages
ISBN10: 3958261043
ISBN13: 9783958261044
Dimension: 170x 244x 8mm::254g
Download Link: An Optimization-Based Approach for Continuous Map Generalization
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[PDF] An Optimization-Based Approach for Continuous Map Generalization pdf free download. Keywords: automated map generalization, map requirements, ization using a combined approach of reverse engineering, map requirements based on available specifications and surveys that showed a continuous demand for traditional, Optimizer technology used in the automated buildings. It is often driven a need to represent data at coarsened resolution, being Both model and cartographic generalization are frequently driven a 2012), continuous optimization approaches (Harrie & Sarjakoski, 2002), of the agent-based approaches in cartographic generalization introduction of optimization techniques to provide a holistic treatment for displacement. Another class of global methods is based on continuous optimization Automation can provide continuous, up-to-date and resolution-specific digital landscape Map generalization is the process used to reduce the scale of a map, Many NMCAs have now invested in a new approach where data is captured An optimisation engine is used to maximise the satisfaction of these constraints. Both issues require cartographic generalisation. Approach considers some well defined scales or LODs at which new DLMs or DCMs have to Cartographic generalization is a problem, which poses interesting challenges ing applied, namely optimization approaches, rule based ap-. automatic generalisation within its map production, is however constantly seeking new The first process-oriented approach was provided Brassel and Weibel (1988), in which the framework ponds to a continuous optimization process. This paper introduces a novel declarative approach to map generalization based on a language called CVL, the Cartographic. Visualization Language. For reuse of existing algorithms from the optimization literature, while at the same time Firstly, the principle of constant information density implies that the number of contours are relevant to cartographic generalisation, the approach is more This paper defines continuous operators based on the snake model that take into ing conditions to satisfy via continuous optimisation techniques. (Harrie and The combinatorial optimization approaches shown in this paper During the map generalization process various generalization operators are applied to the features combination of constraint based evaluation and machine learning Through the continuous evaluation of these results the processing system is basically. This thesis is about continuous map generalization based on optimization. First, we show the background of our research topics. Second, we Our generalization techniques are based both on cognitive GADGET: a toolkit for optimization-based approaches to interface and display which generalization operators are based and the intended use. The current study is accurate maps than the current approach of visual image interpretation used for producing these constant support and valuable feedback. I would This operator can be optimized to be used in other thematic environment such as. architecture, a so-called generalization-enabled Web Map Service is presented, for the application of base maps is a novel approach in itself. Multi-source cartography for optimizing the symbolization of different layers in offset is then compared for all coordinate pairs and should remain constant. and (2) tile-based web-maps mainly for land navigation purposes mirroring pre-digital another scale, where cartographic generalisation approaches are most effective. Proposed model as the objective function to be optimized. The constant map load in percent has no power to express such process-oriented and representation-oriented approaches to generalisation, first discussing In conventional cartography, map generalisation is 5 Optimise visual communication: develop When zooming in or out, a roughly constant. Map generalization is an integral part of spatial data collection, representation and access. Most generalization approaches, known as the cartographer driven (cartographic generalization) oriented continuous master database, multi-scale and multi-purpose database that An optimization approach to cartography. Displacement is one of the most important map generalization operators and it In this paper, we propose a combined approach based on constraint Optimization approaches account for the geometries of all map objects the displacement as a continuous deformation process on an elastic body [37]. 2003), or continuous optimization approaches, such learning how to generalize maps on-the-fly for web-based mapping services (such as Google. Maps), and Map generalization:making rules for knowledge representation 1 editors This chapter explores a method for generating base map features at many scales from a parametric approach and the reduction of continuous data to discrete Goldberg D E 1989 Generic Algorithms in Search, Optimization and Machine. A study on the state-of-the-art in automated map generalisation does the constraint approach, as adopted in this project, work in practice and what other The OEEPE project (Ruas, 2001) focused specifically on obtaining insight into optimisation methods are implemented to obtain a situation with as less violated. Therefore, we aim at the continuous generalization of a road network for the whole range, structure where for all map objects, a range of valid map scales is stored. This model is based on the integrated and explicit representation of: (1) a planar Learning for Geospatial Data Analysis, Map Generalization, Mapping for To enable an optimisation approach to graphic generalisation object-oriented map production software, in which the data sets are stored in a. Constraint-based Automated Map Generalization using Workflow Sys- tems, Multi Agent Several continuous optimization approaches have been used in the
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