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The Research of Automatic Map Labeling on Linear Features

Author: LeiMingJun
Tutor: DuQingYun
School: Wuhan University
Course: Cartography and Geographic Information Systems
Keywords: Map annotation automatically configure Linear features Annotation conflict Note gland Curve of Raster data
CLC: P283.7
Type: Master's thesis
Year: 2005
Downloads: 280
Quote: 4
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Abstract


Map annotation auto-configuration is an intelligent behavior , according to the map features read from the database name , word , font , coordinates and other parameters , in accordance with the principle of annotation placement by the computer simulation of manual annotation process , automatically calculated annotation configuration in line with the requirements of the position , to expect to be able to reach or near cartography professionals manual configuration can achieve results . Linear features are a class of important elements of maps and geographic information systems , spatial information in many linear features , and the graphics of the linear feature is relatively complex . Linear features automatic map annotation annotation configuration occupies an important position , and the difficulty and flexibility . At present, the linear feature Note Automated Placement relatively small . First map of linear feature Note Automated Placement research status analysis and summarizes the configuration of the linear feature annotation rules ; then describes the organization and structure of automatic annotation configuration data , and analyze the impact of after the the annotation quality basic factors ; proposed based on linear features of the greedy algorithm candidate annotation generated model and propose a consideration of the conflict , the gland and curve characteristics annotation adaptive the annotation quality evaluation model in , respectively, from the annotation evaluation and analysis of the conflict , capping position of superiority , monotonous and pass visibility in terms of the quality of the annotation ; Finally, the experimental and analytical work done , and linear features development prospect .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Cartography ( Cartology ) > Map compilation > Mapping automation
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