基于LOD大型水利工程場景可視化仿真的設(shè)計(jì)與研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文基于LOD大型水利工程場景可視化仿真的設(shè)計(jì)與研究姓名：羅文佳申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：段凡丁20080501西南交通大學(xué)碩士研究生學(xué)位論文第lI頁AbstractSimulationtechnologyisthetechnologythathasascienceexperimentsonsystemmodelusingcomputerIthastheadvantagesofeconomic

2、，practical，safe，flexibleandrepeatedlyusedSimulationtechnologyhasappliedinallfieldsofnationaleconomycurrentlyAtthesametime，computersimulationtechnologyisurgingscienceresearchtodevelopeffectivelyasthekernelofvirtualreality

3、withthefirstguidanceofinformationtechnologyandcomputertechnologyThebasicpurposeofsimulationreducedtodecisionmakingeventMakingGIS3Dvisualizationareveryimportantpracticalsignificanceinthemilitarysimulation，virtualrealityea

4、rthscience，andotherdisciplinesAfterresearchingallkindsofdefinitiveapproachofvirtualrealitysystem，thispapersetsouttoresolvethebottleneckinverylargeterraindatavisualization，proposeonemethodbasedonvirtualrealityLOD(1evelofd

5、etail)thatincludeHLA(highlevelarchitecture)andparallelcomputing，anddesignasimulationsystemoflarge—scalewaterconservancyprojectssceneHavebeenrealizedsomeofthevisualsceneusingvisualc十a(chǎn)ndOpenGLThemainworkandresultincludefol

6、lowingparts：1IntroducetheapplicationandtechnicalbackgroundofLOD，summarizeandreviewthecharacteristic，researchconditionofirregularnetworksLOD2Discussthetechnologyquestionaboutlarge—scaleterraindataparallelcomputebasedonirr

7、egularnetworks，terraintriangulatedirregularmodelgeneratingalgorithmandreasonablecalculationalmethods3CompareseveraloftherepresentativeirregularnetworksLODalgorithms4Putforwarddesignphilosophiesthatintegratevirtualreality