GPS-RTK technology in topographic mapping has a relatively large advantage, this paper studies how to use the technology to carry out large-scale topographic mapping work, research the use of the method of precautions...GPS-RTK technology in topographic mapping has a relatively large advantage, this paper studies how to use the technology to carry out large-scale topographic mapping work, research the use of the method of precautions, surveying and mapping work methods, combined with examples to discuss the specific mapping process, to help surveying and mapping personnel to strengthen the quality control of surveying and mapping.展开更多
This paper makes astudy on the interactive digital gener-alization,where map generalizationcan be divided into intellective reason-ing procedure and operational proce-dure,which are done by human andcomputer,respectiv...This paper makes astudy on the interactive digital gener-alization,where map generalizationcan be divided into intellective reason-ing procedure and operational proce-dure,which are done by human andcomputer,respectively.And an inter-active map generalization environmentfor large scale topographic map is thendesigned and realized.This researchfocuses on:①the significance of re-searching an interactive map generali-zation environment,②the features oflarge scale topographic map and inter-active map generalization,③the con-struction of map generalization-orien-ted database platform.展开更多
The need of suitable projection tables for mapping the Chinese countrythat will stand both for the refine requirement of large scale maps as well asgeneral maps of either the whole country or the individual province h...The need of suitable projection tables for mapping the Chinese countrythat will stand both for the refine requirement of large scale maps as well asgeneral maps of either the whole country or the individual province has longbeen felt with.The Lambert Projection has for some time already been advocated personally by some of the leading surveyors in this country.展开更多
文摘GPS-RTK technology in topographic mapping has a relatively large advantage, this paper studies how to use the technology to carry out large-scale topographic mapping work, research the use of the method of precautions, surveying and mapping work methods, combined with examples to discuss the specific mapping process, to help surveying and mapping personnel to strengthen the quality control of surveying and mapping.
文摘This paper makes astudy on the interactive digital gener-alization,where map generalizationcan be divided into intellective reason-ing procedure and operational proce-dure,which are done by human andcomputer,respectively.And an inter-active map generalization environmentfor large scale topographic map is thendesigned and realized.This researchfocuses on:①the significance of re-searching an interactive map generali-zation environment,②the features oflarge scale topographic map and inter-active map generalization,③the con-struction of map generalization-orien-ted database platform.
文摘The need of suitable projection tables for mapping the Chinese countrythat will stand both for the refine requirement of large scale maps as well asgeneral maps of either the whole country or the individual province has longbeen felt with.The Lambert Projection has for some time already been advocated personally by some of the leading surveyors in this country.
