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Face-shaped element configuring method in computer graphics

A configuration method and computer technology, applied in the directions of calculation, map/plan/chart, editing/combining graphics or text, etc., can solve problems affecting map production and publishing development, incompleteness, etc., to improve annotation efficiency and resolve conflicts. , Guaranteed quality effect

Inactive Publication Date: 2008-05-21
常熟紫金知识产权服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The incomplete automated map annotation methods in the existing technology make the industry still focus on manual configuration or computer-aided human-computer interaction configuration, which seriously affects the development of map production and publishing

Method used

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  • Face-shaped element configuring method in computer graphics
  • Face-shaped element configuring method in computer graphics
  • Face-shaped element configuring method in computer graphics

Examples

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Embodiment Construction

[0027] The technical solution of the present invention comprises the following steps: Step 1, after inputting the geographic data into the computer system, judge the element type of the element to be annotated in the geographic data; Step 2, determine the annotation pattern type of the element to be annotated according to the element type; step 3. Perform annotation configuration for the elements to be annotated according to the configuration rules of the annotation mode type. In the cartographic specification, surface elements are used to express water systems, administrative and residential areas, etc., and each type of element has its own labeling characteristics. For example, the labeling of residential area elements cannot be marked inside the element; The shape of the feature is long and narrow, and labeling along the watershed needs to be considered. The labels of various types of elements also have something in common. For example, when the area of ​​the element is too...

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Abstract

The invention relates to a configuration method for area pattern in computer drawing, belonging to the technical field of computer drawing, which comprises the following steps: step one, importing the geography data into the computer and then judging the pattern type waiting for noting in the geography data; step two, deciding the noting mode type of the noting pattern according to the pattern type; step three, configuring the pattern waiting for noting according to the configuration rule of the noting mode type. The invention divides the noting configuration of the area pattern into five basic modes according to the substantive characteristics and the configuration rules of the patterns of the water system and settlement place, provides the automatic configuration arithmetic of noting of different modes according to the geometrical characteristics of the modes, and resolves the problems of collision or shelter of the different noting modes in topographic maps with full elements. The invention has the advantages of improved efficiency of automatically noting the area pattern and enhanced noting quality of the map.

Description

technical field [0001] The invention belongs to the technical field of computer graphics, in particular to a method for arranging planar elements in computer graphics. Background technique [0002] Map annotation is an important link in map production, and it is also the most time-consuming work after map data collection. According to statistics, the average work efficiency of a cartographer is 20-30 annotations per hour, and the work of map annotation configuration accounts for about 50% or more of the entire map production process. Manual drawing is costly and imprecise, while automatic drawing has not yet been fully realized. Because the relationship between map annotation and geographic elements is very complex, automatic annotation configuration involves pattern recognition, image processing, computational geometry and other disciplines, and is a complicated process. In particular, surface elements have complex shapes and various distribution forms, and there are rela...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/60G06F17/50G09B29/00
Inventor 李霖张晓通朱海红王红应申舒亚东
Owner 常熟紫金知识产权服务有限公司
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