地图数据的分级方法研究

severalgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasured学号________________密级________________武汉大学本科毕业论文地图数据的分级方法研究院（系）名称：XXXXXX专业名称：XXXXXX学生姓名：XXX指导教师：XXX教授severalgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasured郑重声明本人呈交的学位论文，是在导师的指导下，独立进行研究工作所取得的成果，所有数据、图片资料真实可靠。尽我所知，除文中已经注明引用的内容外，本学位论文的研究成果不包含他人享有著作权的内容。对本论文所涉及的研究工作做出贡献的其他个人和集体，均已在文中以明确的方式标明。本学位论文的知识产权归属于培养单位。本人签名：日期：severalgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasured摘要分类分级是人们揭示空间关系的一种方法。本文以制图信息理论为指导，根据专题地图分级表示方法的特点，在地图数据的分级方法方面，探讨了地图的分级问题。首先分析了影响地图分级的因素，通过介绍地图分级的原则引出分级数的确定和分级界限的确定应该遵循的原则和要求。通过对已有的数据分级方法及分级模式进行分析总结，从传统分级方法和现代分级方法两方面进行分析汇总，提出地图数据分级处理的流程。关键字：地图；数据分级；方法severalgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasuredAbstractClassificationandgradingisamethodsthatRevealspatialrelationships.Thistextthecartographicinformationtheoryastheguidance,Characteristicsofmethodsclassificationofaccordingthematicmap,Intermsofclassificationmethodofmapdata,Discussestheclassificationofmapproblem.Firstanalyzesthefactorsthataffecttheclassificationofmaps,byintroducingtheprinciplesofmapclassificationleadstoclassificationdeterminationofthedeterminationofthenumberandgradeboundariesshouldbeguidedbyprinciplesandrequirements.Bytheclassificationandcategorizationofmodelsexistingdatawereanalyzed,Fromtraditionalgradingmethodandmodernclassificationofanalysissummary,ProposedmapdataclassificationProcessingprocesses.Keywords:map；dataclassification；methodseveralgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasured目录第一章研究背景及意义..............................................61.1研究背景..................................................61.2研究现状..................................................61.3研究意义..................................................6第二章地图数据分级相关理论........................................82.1影响分级的因素............................................82.2分级的原则................................................82.2.1科学性原则..........................................82.2.2体现专题信息分布特征................................92.2.3分级的基本原则是各种分级方法的基础..................92.3分级数的确定..............................................92.4分级及界限的确定.........................................10第三章分级方法...................................................123.1传统分级方法.............................................123.1.1级数分级...........................................133.1.2数列分级...........................................133.2现代分级方法.............................................143.2.1分位数分级.........................................143.2.2逐步聚类分级.......................................143.2.3最优分割分级.......................................153.2.4模糊聚类分级.......................................153.3分级结果的检验...........................................16参考文献..........................................................17severalgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedis