《数字测图》课件-5.1.2数字测图成果质量评定

数字测图DigitalMappingQualityEvaluationofDigitalMappingResults数字测图成果质量评定数字测图成果的检查，就是对其规定的质量元素和检查项进行了核查、对比分析、实地检测。Theinspectionofdigitalmappingresultsistoverify,compareandanalyzethespecifiedqualityelementsandinspectionitems,andconductfielddetection.数字测图成果质量评定QualityEvaluationofDigitalMappingResults数字测图成果质量评定QualityEvaluationofDigitalMappingResults在工程领域，所有结论都要建立在真实的检测数据、实验、严格的流程、严谨的方法上，测绘工程项目从技术设计到观测作业，直至最后的检查验收，从技术资料的内容、格式到仪器操作的流程及数据记录，都必须遵循相关技术标准。Intheengineeringfield,allconclusionsmustbebasedonrealinspectiondata,experiments,strictprocesses,andrigorousmethods.Fromthetechnicaldesigntotheobservationoperation,andfinallytothefinalinspectionandacceptanceofthesurveyingandmappingproject,fromthecontentandformatofthetechnicaldocumentstotheworkflowanddatarecordingoftheinstrumentoperation,allmustfollowtherelevanttechnicalstandards.《测绘成果质量检查与验收》InspectionandAcceptanceofSurveyingandMappingResults数字测图成果质量等级DigitalMappingResultQualityLevel1、成果质量评定由生产单位评定，验收单位通过检验批成果进行核定。数字测绘产品检验批质量实行合格批、不合格批评定制。《测绘成果质量检查与验收》InspectionandAcceptanceofSurveyingandMappingResultsThequalityassessmentoftheresultsiscarriedoutbytheproductionunit,andtheacceptanceunitverifiesthequalityofthebatchofproductsthroughinspection.Thequalityofdigitalmappingproductinspectionbatchesiscarriedoutintheformofqualifiedbatchesandunqualifiedbatches.2、对于单位产品质量一般采用百分制和缺陷扣分法计算单位产品得分，再根据得分评定为优级品、良级品、合格品、不合格品。《测绘成果质量检查与验收》InspectionandAcceptanceofSurveyingandMappingResultsForthequalityofunitproducts,theunitproductscoreisgenerallycalculatedusingthepercentagesystemandthepointdeductionmethod,andthenthequalityisevaluatedasfirst-class,second-class,qualified,orunqualified.《测绘成果质量检查与验收》InspectionandAcceptanceofSurveyingandMappingResultsThequalityscoreofunitachievementsisbetween90and100,andthequalitylevelisratedasexcellent.单位成果质量得分在90-100之间，质量等级评定为优级品；Thequalityscoreofunitachievementsisbetween75-90,andthequalitylevelisratedasgoodgrade.单位成果质量得分在75--90之间，质量等级评定为良级品Thequalityscoreofunitachievementsisbetween60-75,andthequalitylevelisevaluatedasqualifiedproducts.单位成果质量得分在60--75之间，质量等级评定为合格品《测绘成果质量检查与验收》InspectionandAcceptanceofSurveyingandMappingResults不合格品Unqualified质量元素检查结果不满足规定的合格条件Theinspectionresultsofqualityelementsdonotmeetthespecifiedqualifiedconditions.位置精度检查中误差比例大于5%Theproportionoftheaveragedeviationinthepositionaccuracycheckisgreaterthan5%.质量元素出现不合格Thereisanunqualifiedqualityelement.上述单位成果质量得分是如何获得的呢？Howwastheunitproductqualityscoreobtained?数字测图成果质量等级QualityGradesforDigitalMappingProductsABCDAA类为极重要或极严重检查项的错漏，每出现一个扣42分；Acategoryisforextremelyimportantorextremelyseriousinspectionitems,andeachoneisdeducted42points；数字测图成果质量等级QualityGradesforDigitalMappingProducts数字测图成果质量等级QualityGradesforDigitalMappingProductsBB类为重要或严重检查项的错漏，每出现一个扣12/t分；Bcategoryisforimportantorseriousinspectionitems,andeachoneisdeducted12/tpoints；数字测图成果质量等级QualityGradesforDigitalMappingProductsCC类为较重要或较严重检查项的错漏，每出现一个扣4/t分；Ccategoryisforrelativelyimportantorrelativelyseriousinspectionitems,andeachoneisdeducted4/tpoints；数字测图成果质量等级QualityGradesforDigitalMappingProductsDD类为一般检查项的轻微错漏，每出现一个扣1/t分。Dcategoryisforminorerrorsandomissionsofgeneralinspectionitems,andeachoneisdeducted1/tpoints.数字测图成果质量等级QualityGradesforDigitalMappingProductst=取值范围为0.8～1.2t=avaluerangeof0.8～1.2质量元素A类B类C类D类数学基础1.坐标或高程系统采用错误、独立坐标系统投影计算错误2.平面或高程起算点使用错误3.图根控制测量精度超限

平面精度1.地物点平面绝对位置中误差超限2.相对位置中误差超限

高程精度1.高程注记点高程中误差超限2.等高线高程插求点高程中误差超限

数据及结构正确性1.数据无法读取或数据不齐全2.文件命名、数据格式错3.属性代码普遍不接边4.数据层漏名称错5.其他严重的错漏1.数据组织不正确2.部分属性代码不接边3.其他较重的错漏1.个别属性代码不接边2.其他一般的错漏其他轻微的错漏数字测图成果质量错漏分类表（1）QualityElemenClassAClassBClassCClassDMathematicalFoundation1.Errorsinusingthecoordinateorelevationsystem,orerrorsinprojectingindependentcoordinatesystems.2.Incorrectuseofplanarorelevationstartingpoints.3.Exceedingtheaccuracylimitforcontrolmeasurementsatthebasemaplevel.

PlanarAccuracy1.Theabsolutepositionalerrorofterrainfeaturepointsexceedsthelimitintheplane.2.Therelativepositionalerrorexceedsthelimit.

HeightorVerticalAccuracy1.Theverticalinterpolationpointelevationaccuracyoftheelevationannotationpointexceedsitslimit.2.Theelevationinterpolationpointelevationaccuracyofcontourlinesexceedsitslimit.

Dataandstructuralcorrectness1.Dataisunreadableorincomplete.2.Filenamingconventionsanddataformatsareincorrect.3.Attributecodesdonotmatchconsistently.4.Datalayersaremissingnamesorhaveincorrectones.5.Otherseveredefectsoromissionsexist.1.Dataorganizationisincorrect.2.Someattributecodesdonotmatchconsistently.3.Othersignificantdefectsoromissionsexist.1.Someindividualattributecodesdonotmatchconsistently.2.Othergeneraldefectsoromissionsexist.Otherminordefectsoromissions.TableofQualityDefectsandOmissionsinDigitalMappingProducts(Part1)数字测图成果质量错漏分类表（2）质量元素A类B类C类D类地理精度1.一般注记普遍错漏20%以上2.县及以上境界错漏达图上15cm3.错漏比高在2倍等高距以上，图上长度超过15cm的陡坎4.漏绘面积超过图上4cm2二层及以上房屋，6cm2

的一层房屋5.存在普遍的综合取舍不合理6.地貌表示严重失真7.漏绘一组等高线8.其他严重的错漏1.双线河、双线道路、乡镇级居民地名称错漏2.行政村及以上行政名称错漏3.图根点密度、埋石点数量不符合设计或规范要求4.一般注记错漏达10%~20%5.有方位意义的重要独立地物错漏6.￠≧30cm管线类别、转折点错漏7.高程注记点密度与规定不符8.地物、地貌各要素主次不分明，线条不清晰，位置不准确，交待不清楚，造成判读困难9.重要地物、地貌符号用错10.多数特征位置漏注高程注记11.比高在2倍等高距以上，图上长度超过10cm的陡坎错漏1.错漏比高在2倍等高距以上，长度超过5cm的陡坎2.双线道路路面材料错漏3.水系流向错漏4.错漏小片明显特征地貌5.漏绘双线道路或水系超过图上5cm、双线桥梁及其附属建筑物6.错漏较高经济价值的植被图上10cm27.漏绘面积达图上1cm2二层及以上房屋，2cm2的一层房屋8.漏绘垣栅超过图上2cm9.楼房层次错10.其他一般的错漏QualityElementsClassAClassBClassCClassDGeographicPrecision1.Morethan20%ofgeneralannotationsaregenerallydefectiveoromitted.2.Boundariesofcountiesandabovearedefectiveoromittedbymorethan15cmonthemap.3.Steepcliffswithadefectratiohigherthantwicethecontourinterval,withlengthsexceeding15cmonthemap.4.Areaswherebuildingsoftwostoriesormore,withanareagreaterthan4cm2,andsingle-storybuildingswithanareaof6cm2,arenotdrawnonthemap.5.Therearewidespreadissueswithunreasonablecomprehensivecompromises.6.Topographicrepresentationisseverelydistorted.7.Asetofcontourshasbeenomitted.8.Otherseriousdefectsoromissionsexist.1.Double-linerivers,double-lineroads,andtown-levelsettlementnamescontaindefectsoromissions.2.Administrativevillagenamesandabovearedefectiveoromitted.3.Thedensityofbasepointsandnumberofburiedstonepointsdonotmeetdesignorspecificationrequirements.4.Generalannotationshavedefectsoromissionsrangingfrom10%to20%.5.Importantstandalonefeatureswithdirectionalsignificancearedefectiveoromitted.6.￠≧30cmPipelinecategoryandturningpointdefectsoromissions.7.Elevationannotationpointdensitydoesnotconformtospecifications.8.Themainandsecondaryelementsoftopographyandlandformareunclear,linesarenotsharp,positionsareinaccurate,explanationsareambiguous,leadingtodifficultiesininterpretation.9.Importantsymbolsfortopographicalandlandformfeaturesareusedincorrectly.10.Mostfeaturelocationslackelevationannotation.11.Steepcliffswithadefectratiohigherthantwicethecontourinterval,withlengthsexceeding10cmonthemap,aredefectiveoromitted.1.Steepcliffswithadefectratiohigherthantwicethecontourinterval,withlengthsexceeding5cm,aredefectiveoromitted.2.Roadsurfacematerialfordouble-lineroadscontainsdefectsoromissions.3.Riverflowdirectionisdefectiveoromitted.4.Smallareasofdistinctivetopographyaredefectiveoromitted.5.Double-lineroadsorwaterwaysthatexceed5cmonthemap,aswellasassociatedbuildings,arenotdrawn.6.Vegetationofhigheconomicvalue,amountingtoover10cm2,isnotdepictedcorrectly.7.Buildingsthataretwoormorestoriestall,coveringanareaof1cm2

orlarger,orsingle-storyhousescoveringanareaof2cm2,areabsentfromthemap.8.Fencesorwallstallerthantwocentimetersarenotdepicted.9.Buildingfloorlevelsareincorrect.10.Othercommondefectsoromissionsexist.TableofQualityDefectsandOmissionsinDigitalMappingProducts(Part2)单位产品质量得分计算方法MethodforCalculatingUnitProductQualityScoresS＝X－42i－（12/t）j－（1/t）KX——单位产品预置得分；Intheformula,Xistheinitialscoreoftheunitproduct;i——单位产品中严重缺陷的个数；iisthenumberofseriousdefectsintheunitproduct;j——单位产品中重缺陷的个数，jisthenumberofseveredefectsintheunitproduct;K——单位产品中轻缺陷的个数；Kisthenumberoflightdefectsintheunitproduct;t——缺陷值调整系数。tisthedefectvalueadjustmentcoefficient.生产单位最终检查质量评定时，X预置得分为100分。验收单位进行质量核定时，X预置得分根据生产单位最终检查评定的质量等级取其最高分，即优级品、良级品、合格品分别为100、89、74分。Whentheproductionunitcarriesoutthefinalinspectionqualityassessment,theinitialscoreXissetto100points.Whentheacceptanceunitcarriesoutthequalityverification,theinitialscoreXissettothehighestscoreaccordingtothequalitygradeevaluatedbytheproductionunitduringthefinalinspection,thatis,thescoresforfirst-class,second-class,andqualifiedproductsare100,89,and74points,respectively.单位产品质量得分计算方法MethodforCalculatingUnitProductQualityScores检验的基本情况，包括检验的时间、检验地点、检验方式、检验人员、检验的软硬件设备等情况。Thebasicinformationoftheinspection,includingthetime,location,inspectionmethod,inspectionpersonnel,andinspectionsoftwareandhardwareequipment.01检验工作概况Overviewofinspectionwork测绘成果质量检查报告的内容ContentsofSurveyResultsQualityInspectionReport简述成果生产的基本情况，包括来源、测区位置、生产单位、资质等级、生产日期、生产方式、成果形式、批量等。Abriefdescriptionofthebasicsituationoftheproductionoftheresults,includingthesource,locationofthesurveyarea,productionunit,qualificationlevel,productiondate,productionmethod,formoftheresults,andbatch.02受检成果概况Theoverviewoftheinspectedresults测绘成果质量检查报告的内容ContentsofSurveyResultsQualityInspectionReport包括抽样依据，抽样方法，样本数量等。若为计数抽样，应列出抽样方案。Includingthesamplingbasis,samplingmethod,samplesize,etc.Ifitisacountingsampling,thesamplingplanshouldbelisted.03抽样情况Samplingsituation测绘成果质量检查报告的内容ContentsofSurveyResultsQualityInspectionReport阐述检查的技术依据、成果的各个检验参数及检验方法。Explainthetechnicalbasisoftheinspection,theinspectionparametersoftheresults,andtheinspectionmethods.04检验内容及方法Theinspectioncontentsandmethods测绘成果质量检查报告的内容ContentsofSurveyResultsQualityInspectionReport按检验参数，分别叙述样本成果中存在的主要质量问题，并举例（图幅号、点号等）说明。Narratethemainqualityproblemsexistinginthesampleresultsaccordingtotheinspectionparameters,andprovideexamples(suchasmapsheetnumber,pointnumber,etc.)toillustrate.05存在的主要问题及处理情况

Themainproblemsandhandlingsituation测绘成果质量检查报告的内容ContentsofSurveyResu