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

1、華北電力大學(北京)碩士學位論文基于MobileSVGJavaME的移動GIS線路巡檢的研究與實現(xiàn)姓名：鄧鳳霞申請學位級別：碩士專業(yè)：工學；計算機應用技術(shù)指導教師：趙強201103華北I乜力大學碩I‘學位論文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：