基于Mobile SVG-Java ME的移動GIS線路巡檢的研究與實(shí)現(xiàn).pdf

1、華北電力大學(xué)(北京)碩士學(xué)位論文基于MobileSVGJavaME的移動GIS線路巡檢的研究與實(shí)現(xiàn)姓名：鄧鳳霞申請學(xué)位級別：碩士專業(yè)：工學(xué)；計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：趙強(qiáng)201103華北I乜力大學(xué)碩I‘學(xué)位論文AbstractLineinspectionisaveryimportantbasicworktoensurethenormaloperationofthepowerequipment，howeverlineinspectionmo

2、bileterminalshavelimitationsinprocessingperformance，memoryresolutionandstoragecapacityandpowerconsumption，buttheinspectionbusinessneedstoprocessmassivemapdata，inordertoresolvethecontradictionbetweenthemobileterminalperfo

3、rmanceandthelargescaledata，thispaperanalyzesadvantagesoftheMobileSVGandJavaMEinthemobileGIS，andproposesaMobileGISlineinspectionprogrambasedonMobileSVGandJavaMETheprogramgeneratesSVGdocumentsbyGISserverorganizesMobileSVGm

4、apdatabysub—levelsandsubblock，andcompressesSVGfilesbyGZIPcompressionmethodreducesamountofdatatransmission，andmakesfulluseofJavaMEplatform’Ssupportforresourceslimitedequipment，usingHTTPprotocoltocompletecommunicationbetwe

5、entheclientandtheserverestablishnetworkconnection，accessserversideresources，accessSVGTmapfilesandXMLfiles，uploadanddownloadinspectiondataandotherfunctionsTheprogramdevelopsGPSpositioningmodulebyusingWTK25simulatorandcomp

6、letestheSVGdocumentsorXMLpropertiesfileparsingandrealizesmapreal—timedisplayandbrowseandzoomandroamingintheterminalscreen，thepictureiSclearanddoesnotambiguousbecauseofamplificationTheprogramMoresrecentlyusedfigureblocksi

7、nthelocaltoavoidrepetitiondatadownloadbyusingtheJavaMElocalstoragefunction(RMS)ThesystemcompletesshortmessagecommunicationfunctionbyusingJSR205themobileclientcallinteractwiththeserverinrealtime，andtransmitlocationinforma

8、tionandreportinspectionThesystemmakesupthelOWmemorydefectofmobileterminals，improvesthedatatransmissionefficiencyensurestheclarityofthemap，ensurethearrivalrateofinspectionpersonnel，andimprovestheinspectionqualityKeywords：