工业园1500数字地形图测绘项目检查报告

XXX工业园1:500数字地形图测绘项目检查报告产品名称：1:500数字地形图测绘成果生产单位：XXXXX2011年5月产品名称XXXXX比例尺1:500生产单位XXXX报告编写人：XXX201检查部门结论：职务：签章201技术负责人意见：职务：签章公司领导意见：职务：签章备注：XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX第22页X目录1任务概述 31.1测区范围 31.2地理位置 31.3地形类别 31.4坐标系统、成图比例尺、基本等高距 31.5项目完成的主要工作 32检查工作概况 42.1基本工作 42.2人员组成 42.3设备投入 43检查工作技术依据 44检查内容及质量问题处理情况 54.1已有资料的利用 54.1.1起算点 54.1.2参考用图 54.2D级、E级GPS控制测量 54.2.1埋设点位 54.2.2GPS观测及手簿记录 64.2.3GPS点之记 64.2.4D、E级GPS测量数据处理 64.3四等水准测量 74.3.1观测及手簿记录 74.3.2结点网平差 84.3.3成果质量 84.4图根控制测量 84.4.1测量方式 84.4.2成果质量 94.5测区控制点成果表和控制点分布图 94.6地形图要素采集 94.6.1要素采集的方法 94.6.2要素采集的质量 94.7地形图编辑制作 94.7.1地形图编辑制作方式 94.7.2地形图编辑制作质量 104.7.3特殊问题的处理 104.8地形图成图检查 114.8.1地形图内业检查 114.8.2地形图外业回放检查 114.8.3地形图外业散点检测 114.9仪器、设备的检校 115对遗留问题的处理意见 126检查统计和检查结论 126.1检查统计 126.2检查结论 127附表、附图 121任务概述1.1测区范围XXXXXX县境内，规划区总面积约150km2。本项目作业范围位于规划区西侧，实际测图面积32.01km2。1.2地理位置本项目作业范围在东经89°03′07″—89°09′45″，北纬44°43′22″—44°48′03″。1.3地形类别测区地形类别为平地和丘陵地（见“图幅地形类别一览表”）。测区野外作业最佳日期为4-11月。1.4坐标系统、成图比例尺、基本等高距平面坐标系统采用经过自治区测绘局审批的“XXXXX；高程系统采用1985国家高程基准；成图比例尺为1∶500；基本等高距为0.5m。1.5项目完成的主要工作编写技术设计书，制定项目实施方案。D级GPS控制网观测、计算17点，埋设普通基本标石10点。E级GPS控制网观测、计算83点，埋设普通标石71点。四等水准测量联测D级GPS点9点、E级GPS点71点，观测、平差计算四等水准路线118.38km。图根控制测量观测、计算、埋石2074点。1∶500地形图数据采集和地形图编辑、制作32.01km2（标准分幅图为570幅）。项目成果检查，编写检查报告、技术总结。2检查工作概况2.1基本工作对项目成果质量和规范执行情况进行全面检查，作为公司最终检查工作，由公司质检部负责分两个阶段完成：2011年3月10日——3月20主要内容为：内业对GPS观测手簿及平差计算资料、GPS点之记、水准观测手簿及平差计算资料、1∶500地形图进行100%检查。外业对各级控制点埋设点位、1∶500地形图进行巡视检查和全站仪设站检查。对检查过程中发现的问题作了记录，并交作业人员修改。2.2人员组成项目检查过程中，内、外业共投入作业人员8名，由公司副总经理XXXX领导，分内、外业两个质检组。（1）外业质检小组。成员：XXXXX。外业质检小组负责对控制测量成果进行100%检查，对地形图成果进行10%外业抽查。（2）内业质检小组。成员：XXXXXX。内业质检小组负责对地形图成果进行数据规范性、出图标准性检查，比例为100%。2.3设备投入本项目检查工作投入车辆一台，中海达V8GPS-RTK系统一套（一个基准站，两个流动站），索佳SET510全站仪一套及绘图仪等其他必须设备。3检查工作技术依据①GB/T18314-2001《全球定位系统(GPS)测量规范》。②GB/T12898-91《国家三、四等水准测量规范》。③CJJ8-99《城市测量规范》；④GB/T20257.1-2007《1∶500、1∶1000、1∶2000地形图图式》。⑤GB/T14912-2005《1∶500、1∶1000、1∶2000外业数字测图技术规程》。⑥CH/T2006-1999《水准测量电子记录规定》。⑦CH/T1004-2005《测绘技术设计规定》。⑧CH/T1001-2005《测绘技术总结编写规定》。⑨GBT24356-2009《测绘成果质量检查与验收》。⑩本项目技术设计书和批复意见。4检查内容及质量问题处理情况4.1已有资料的利用4.1.1起算点利用基础测绘新疆维吾尔自治区第一测绘院施测的C级GPS点ZC40、ZC41、ZC48、ZC50成果，标石保存完好，作为本测区平面控制的起算点。利用国家等级水准点保存完好，作为本测区高程控制的起算点。C级GPSXXX被破坏，本次作业利用原标石进行D级GPS观测，并编号为“WD11”。测区内原有四等三角点4100、4098，标石保存完好，经检测其平面和高程与C级GPS点不兼容，本次作业利用原标石进行D级GPS观测，并沿用原点号。4.1.2参考用图XXXXXX局提供的电子版1∶25000“XXXX”，作为本项目踏勘、设计参考用图。4.2D级、E级GPS控制测量4.2.1埋设点位本项目D、E级GPS控制网埋设点位分别为10点、71点，经检查点位分布均匀、位置合理，埋石规格及整饰标准、正规，符合GB/T18314-2001《全球定位系统(GPS)测量规范》关于GPS控制网布设、选点、埋石的有关要求。4.2.2本项目使用6台中海达双频接收机和4台中海达单频接收机进行静态模式观测。D、E级GPS控制网分别观测17点、83点，分别填写观测手簿41页、213页，每页对应一个中海达ZHD格式数据文件。经检查手簿填写正规、齐全，手簿记录仪器斜高与观测数据中仪器斜高一致，手簿记录开、关机时间间隔与观测数据中基线同步时段基本一致，时段长符合规范相应等级要求。4.2.3GPS填写D级GPS点点之记13页，包含新埋设的10点和利用老点的3点。填写E级GPS点之记71页。经检查D级、E级GPS点之记填写正规、齐全。4.2.4D、E级GPS(1)基线解算采用中海达随机商用软件HDS2003进行数据处理，其观测数据剔除率、各项解算设置均符合规范相应等级要求。在软件输出的静态基线报告中，同步环检核时采用网中全部基线的平均长度计算σ。①基线相对误差最大值重复基线：D级网中基线长度较差ds=+0.0037m，小于限差0.1164m。E级网中基线长度较差ds=+0.0040m，小于限差0.0579m。同步环：D级网中Wx=-0.0013、Wy=+0.0090、Wz=+0.0126，小于限差0.0150m。E级网中Wx=-0.0032、Wy=+0.0081、Wz=+0.0088，小于限差0.0090m。异步环：D级网中Wx=+0.0043、Wy=+0.0252、Wz=+0.0210，小于限差0.2063m，Ws=+0.0331，小于限差0.3573m。E级网中Wx=-0.0036、Wy=+0.0813、Wz=+0.0652，小于限差0.1858m。Ws=+0.1043，小于限差0.3217m②基线绝对误差最大值重复基线：D级网中基线长度较差ds=0.0221m，小于限差0.1622m。E级网中基线长度较差ds=0.0118m，小于限差0.0740m。同步环：D级网中Wx=-0.0102、Wy=-0.0126、Wz=-0.0039，小于限差0.0174m。E级网中Wx=+0.0051、Wy=-0.0092、Wz=-0.0087，小于限差0.0090m。异步环：D级网中Wx=+0.0043、Wy=+0.0252、Wz=+0.0210，小于限差0.2063m，Ws=+0.0331，小于限差0.3573m。E级网中Wx=-0.0036、Wy=+0.0813、Wz=+0.0652，小于限差0.1858m。Ws=+0.1043，小于限差0.3217m(2)无约束平差采用中海达随机商用软件HDS2003，在WGS-84坐标系统中进行三维无约束平差，基线分量改正数相对误差最大值分别为：D级网中V△x=-0.0008、V△y=+0.0049、V△z=+0.0018，小于限差0.0828m。E级网中V△x=+0.0023、V△y=-0.0006、V△z=-0.0019，小于限差0.0393m。(3)约束平差①D级网约束平差起始点为C级GPS点ZC40、ZC41、ZC48、ZC50，E级网约束平差起始点为C级GPS点ZC40、ZC50和D级GPS点WD01、WD02、WD03、WD04、WD05、WD06、WD07、WD08、WD11、4098，其中D级GPS点高程采用四等水准成果。分别在1980西安坐标系统中进行二维约束平差，在1985国家高程基准上进行高程拟合。②D、E级GPS点高程采用四等水准成果，拟合高程只作为计算参考。③控制网中平面距离中误差、平面坐标中误差和拟合高程中误差最大值分别为：D级网中平面距离中误差最大值=0.0105m，平面坐标中误差最大值=0.0106m，高程中误差最大值=0.0251m。E级网中平面距离中误差最大值=0.0023，平面坐标中误差最大值=0.0041m，高程中误差最大值=0.0075m。4.3四等水准测量4.3.1观测及手簿记录(1)四等水准观测在国家等级水准点Ⅱ杜奇35、Ⅱ杜奇36基础上进行四等水准测量，采用DSZ2水准仪以中丝读数法进行单程观测，联测D级和E级GPS点共80点，水准路线118.38km。对于D、E级GPS控制网，除WD09、WD10、WD11、4100四点不在测图范围内且距离测区较远未进行四等水准联测之外，其余点位均进行了四等水准联测。(2)记录与输出采用南方测绘软件“控制精灵”记录和观测手簿、测段高差成果的输出。4.3.2结点网平差(1)概略高程根据测段高差成果加入水准标尺长度误差的改正和正常水准面不平行的改正，编制高差和概略高程表。(2)结点网平差根据测段长度和改正后的测段高差，采用南方测绘软件“平差易2005”进行结点网平差，并输出四等水准测量平差报告4.3.3成果质量经检查，本项目四等水准测量各项检查、检验资料齐全，水准网各闭合环的闭合差及最后平差的精度指标均符合GB/T12898-91《国家三、四等水准测量规范》相应等级要求。其中：12个水准闭合环中高差闭合差最大值为49.90mm,小于限差±83.12mm。每公里高差中误差=6.26mm。最大高程中误差=10.20mm。4.4图根控制测量4.4.1测量方式以GPS-RTK方式进行测区内图根点测量。由于测区范围相对较小，测区内采用两组转换参数进行参考点WGS-84坐标与1980西安坐标的转换。4.4.2成果质量WGS-84坐标与1980西安坐标的平面转换残差最大值0.0051m，高程转换残差最大值0.0037m。流动站观测均采用三角架对中、整平，观测历元数均大于20个，符合设计书要求。测区内图根点密度符合GB/T14912-2005《1∶500、1∶1000、1∶2000外业数字测图技术规程》1∶500比例尺测图要求，且分布均匀，精度可靠。见附表一“图根点检测中误差计算表”。4.5测区控制点成果表和控制点分布图(1)根据GPS测量、四等水准测量、图根控制测量成果制作测区控制点成果表和控制点分布图。(2)测区控制点成果表说明详细，1980西安坐标系成果与“五彩湾煤电煤化工工业园相对独立平面坐标系统”成果之间换算正确，成果表中点名、坐标与控制点分布图、1∶500比例尺地形图中一致。4.6地形图要素采集4.6.1要素采集的方法使用检校合格的全站仪和配套设备,测站点全部选择在埋石图根点上，以埋石图根点或E级GPS点标定全站仪起始方向，然后按限定的距离进行地形点和地物点采集，同时绘制实地现状草图并进行属性标记。4.6.2要素采集的质量各类建筑物、构筑物及主要附属设施无遗漏；线状地物的采集选点密度适当，曲线拟合准确；地上管线的转角点及支架线杆和附属设施均进行了实测；地貌主要以等高线表示，地形点采集密度和选点位置基本合理。通过正确的作业方法获取的采集数据具有较高的理论精度，数据质量主要取决于作业人员的技能和作业经验，在严密的质量控制体系下，本项目要素采集成果符合GB/T14912-2005《1∶500、1∶1000、1∶2000外业数字测图技术规程》的基本要求。4.7地形图编辑制作4.7.1采用南方CASS7.0综合成图系统，根据外业采集数据和外业草图进行数据处理和地形图编辑。确认地物、地貌位置、属性无误后，进行标准图幅分幅，以图号作为文件名，保存为DWG格式。4.7.2地形图编辑制作地形图编辑制作在外业采集数据和草图的基础上进行，作业过程中编辑、检查的细致程度直接影响地形图编辑制作质量。本项目地形图数据中：各级控制点表示正确，各类地物间相互关系处理恰当，地貌的表示能体现实地地形特征，高程注记点密度、位置合理，图廓要素正确。最终地图制图数据无冗余，属性完整、分层正确、分色合理，符合GB/T14912-2005《1∶500、1∶1000、1∶2000外业数字测图技术规程》地形图编辑制作要求。4.7.3（1）因基于CAD的CASS综合成图软件中无GB/T20257.1-2007《1∶500、1∶1000、1∶2000地形图图式》给出的CMYK配色系统，本项目以下表的对应关系进行配色系统间的色值转换，经绘图仪出图检查，色彩效果理想。CMYK颜色RGB颜色主要要素K1000,0,0控制点、独立地物、境界（除另行给出颜色以外的）道路（除另行给出颜色以外的）人工坎、水系附属设施C1000,174,239水系点线C10234,246,253水系面M40Y100K30185,124,15地貌线面、干河、干沟M80232,82,152省道C100Y1000,166,81专用道、植被M100Y100237,28,36国道M30Y100250,190,0县乡道M100236,0,140开发区、保税区、自然、文化保护区界线（2）测区内分布有许多地下管道在地面上的标志桩，沿铁路两侧分布有铁路警示牌，根据其性质和外形特点，图式中无相应适合的符号表示。本项目成图成果添加两个点状地物符号，在CASS7.0符号库中其名称、代码如下：代码图层块参照名称173311GXYZGC881地下管道标志桩162510DLSSGC882铁路警示牌4.8地形图成图检查4.8.1地形图内业检查在经过最终检查的地图制图数据基础上进行地形图成图输出，内业进行图面检查。对个别存在如等高线示坡线方向标错、高程注记点选注不合理等问题的图幅，核对、修改地图制图数据后重新输出。4.8.2地形图外业回放检查地形图成图外业巡视检查主要抽查了部分可精确定位的地物较多的图幅，并进行了全站仪设站检查。测区内重要地物无错漏，对个别存在如乱掘地表示不合理、植被界线表示不准确的图幅，核对、修改地图制图数据后重新输出。全站仪设站检查结果见附表二“地物点间距检测中误差计算表”。4.8.3地形图外业散点检测因测区内多数图幅中可精确定位的地物实体较少，地形图成图检查以等高线精度检查为主，本项目对测区内50幅地形图进行了全站仪设站检查，每幅检测30-40点，检查图幅数约占总图幅数的10%。全站仪设站检查结果见附表三“外业散点检测误差统计表”。4.9仪器、设备的检校（1）仪器设备的自检、自校：对作业过程中使用的GPS天线基座对中器进行了检查，所有基座对中器对中精度均符合GPS观测要求；对作业过程中使用的水准标尺的自检、自校项目齐全、方法正确、资料正规。（2）仪器设备的检验：本项目实施过程中使用的金属线纹尺、水准仪、全站仪、GPS接收机均具有测绘仪器检验部门出具的检验证书，除3台由中海达仪器公司提供的备用GPS接收机外，所有仪器的使用均在检验有效期之内。（3）由中海达仪器公司提供的备用机（编号0921549、0921244、0921436）校准日期为2010年12月10日，D、E级GPS控制网中使用了其12月10日前的观测数据。对12月10日前、后所观测的数据进行解算过程检查，其基线精度情况前、后无明显差异。5对遗留问题的处理意见测区内个别图根点埋设在冬季冻结的地表上，部分图幅内冻结的沙泥地消融后形成的积水图上用水域符号表示。检查时发现T0724、T0766、T1629、T1587四点位于水域内，成图中仍保留图根点符号和注记。图式中图廓整饰样式中左上角、右下角有图名图号注记，测区内所有分幅图均不做标注。本次检查工作中发现的其他问题，如GPS观测手簿中部分缺少测站略图、水准测段高差计算取位不一致、地形数据采集时个别镜站点位取舍不合理、地形图编辑时个别图幅内符号不统一、个别图幅发现高曲矛盾，以上问题及时交作业组处理，经最终检查、复核后，本项目成果无重要遗留问题。6检查统计和检查结论6.1检查统计本项目对控制测量成果和地形图成图成果的内业检查填写了“过程检查登记表”，由各工序作业组进行核对、修改。对地形图成图成果的外业全站仪设站检查结果进行了统计，并填写了“图根点检测中误差计算表”、“地物点间距检测中误差计算表”、“外业散点检测误差统计表”。6.2检查结论(1)经检查本项目作业方法规范、过程控制严密、软硬件配置合理，各项文本资料、图件资料、检查检验资料齐全。(2)本测区GPS控制测量、四等水准测量、图根控制测量成果各项精度指标无超限现象，各项资料完整，符合相关规范和设计书要求。(3)本测区成图成果地物、地貌要素取舍合理，各类符号运用适当，标准分幅图框整饰符合图式要求，图面清晰美观；图根点、地物点间距、等高线检查统计精度优于设计书精度要求。7附表、附图附表一图根点检测中误差计算表点号原坐标（m）检测坐标（m）较差（m）XYHX′Y′H′△S△HT00074962685.939431300.674544.5414962685.919431300.688544.5200.0240.021T00084962686.012431436.704545.4114962686.035431436.680545.380.0330.031T00154962558.294431328.358542.5184962558.301431328.340542.5300.019-0.012T00194962562.323431810.692531.4004962562.300431810.712531.38500.0300.015T00394962329.145431175.730540.4024962329.115431175.715540.4220.034-0.020T00444962311.978431810.170530.3224962312.00431810.160530.3020.0240.020T00494962312.007432436.207537.1214962312.015432436.223537.1000.0180.021T00574962187.737431310.247527.7344962187.755431310.265527.7100.0250.024T00734962065.475430933.864526.5284962065.455430933.886526.5390.030-0.011T00794962057.334431690.027530.0584962057.346431690.002530.0220.0280.036T00824962056.861432034.556533.2514962056.852432034.544533.2430.0150.008T00854962075.879432424.699537.4694962075.865432424.711537.4820.018-0.013T00894962060.513432939.273544.5584962060.520432939.269544.5730.008-0.015T01124961956.857433207.663550.1724961956.856433207.667550.1670.0040.005T01144961819.345430180.678517.7814961819.325430180.698517.7950.028-0.014T01184961811.844430816.483519.7344961811.857430816.485519.7230.0130.011T01344961803.267432815.936543.8694961803.254432815.958543.8860.026-0.017T01384961815.874433311.670555.4684961815.870433311.667555.4650.0050.003T01414961686.074430065.770516.9434961686.084430065.793516.9350.0250.008T01444961688.064430562.056517.0894961688.075430562.078517.1190.025-0.03T01454961687.875430687.836517.2884961687.879430687.846517.3060.011-0.018T01464961687.692430812.816519.6464961687.699430812.824519.6420.0110.004T01474961688.304430937.790518.9134961688.325430937.797518.8910.0220.022T01504961695.229431310.879520.1944961695.209431310.899520.2060.028-0.012T01574961696.562432291.257535.6344961696.571432291.252535.6250.0100.009T01644961699.155433178.538552.4914961699.145433178.518552.5000.022-0.009T01984961437.06028813.559501.9814961437.04028813.579501.9870.028-0.030T02024961433.550429314.426505.8694961433.547429314.434505.8440.009-0.005T02064961447.909429786.955511.8264961447.920429786.959511.8070.012-0.020T02094961437.531430187.385515.9024961437.548430187.380515.8710.0180.006T02124961437.557430562.590518.2254961437.571430562.604518.2610.02-0.036T02134961437.489430687.753515.6094961437.483430687.765515.6420.013-0.033T02254961432.304432163.608530.3634961432.313432163.614530.3630.0110T02264961445.598432323.886531.9914961445.615432323.904531.9820.0250.009T02284961439.223432560.717538.5334961439.214432560.698538.5540.021-0.021T02954961186.449430564.116514.5904961186.444430564.130514.6010.015-0.011T03134961187.307432812.226551.4294961187.300432812.210551.4200.0170.009T03274961061.947428939.398504.4634961061.944428939.418504.4870.020-0.024T03284961062.576429062.544505.5774961062.574429062.539505.5570.0050.020T03324961063.234429562.107510.2664961063.250429562.131510.2780.029-0.012T03424961059.849430814.558513.2714961059.840430814.567513.2280.0130.043T03574961065.223432697.402549.4984961065.225432697.383549.4850.0190.013T04174960812.750429187.865504.9864960812.751429187.852504.9850.0130.001T04224960806.639429818.630510.1014960806.628429818.655510.1310.027-0.030T04284960813.690430564.494510.4124960813.722430564.486510.4040.0330.008T04394960812.526431937.627528.229496081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80.011相对于D、E级控制点，平面位置中误差=±0.022m，高程中误差=±0.018m附表二地物点间距检测中误差计算表序号实体名称图上边长实地边长△S（m）备注1房角围栏角77.78277.821-0.0392房角围栏角74.90574.957-0.0523围栏角电线杆45.91445.8960.0184房角污水井盖1.7011.711-0.0105房角污水井盖9.6249.665-0.0416房角房角11.19111.211-0.0207房角房角13.35013.3450.0058房角房角7.4477.467-0.0209房角房角13.74913.751-0.00210房角房角21.70721.727-0.02011房角房角27.94727.9350.01212房角房角13.56313.5510.01213房角房角10.31610.3050.01114房角房角15.65115.668-0.01715房角房角9.6169.633-0.01716房角电线杆27.83927.866-0.02717房角电线杆31.42731.466-0.03918房角房角24.78624.845-0.05919房角房角26.45726.478-0.02120房角房角41.90341.955-0.05221房角房角42.97043.080-0.11022房角房角26.38426.410-0.02623房角房角24.68924.750-0.06124房角房角4.2534.2430.01025房角房角4.2614.2520.00926房角房角29.70129.6850.01627房角房