地形三維可視化關(guān)鍵技術(shù)及其應(yīng)用的研究.pdf

1、浙江工業(yè)大學(xué)碩士學(xué)位論文地形三維可視化關(guān)鍵技術(shù)及其應(yīng)用的研究姓名：周軍申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：王衛(wèi)紅20081101浙江工業(yè)大學(xué)碩十學(xué)位論文THEKEYTECHNOLOGYOF3DTERRArNVISUALIZATl0NANDITSAPPLICATl0NRESEARCHABSTRACTTerra血3DVisualizationtecllIlologyisakeytecllllolog)riIltheⅥmlalR

2、eaJi吼3DGeo鯽11icInfomationSyStcmfield鋤ds0onnhasa嘶de印plicationintlleni曲ts曲ulatorS，3DVideog鋤es，elec仃oIlicsand切blectcBecauSeofmev撕啊andcomplexi鑼oftlle咖iIl，the洫fo皿ationofrealtemlirlisVeDrlarge，currentcomputercaIlnotloadall枷’om

3、ationatonetimet0buildthreedhensio腳completelyandcompletereal—timeirlteractiveopemtionWimthe勺rLlnkof‘‘theoreticalbasis—memodresearchapplication”，t11epaperde印stlJdiestermiIldatab弱e，vector加rerldcriIltlle3DsceneandRealtimesch

4、edulingteclulologyBaseontlleresearchesofDEMblocl【，textureblockm鋤agedmetllodoftemindataandp刪dmodel；ttlep印erinlproVesDEMandtextl鵬block州ncipleandproposesagoodm劬odforterrajndatabaSeo唱anj2ationp打nciple，i11WhjchweaSsesstodatai

5、seausyandf瓠tThirll(ofVectordatacharacteristics，proposesamemod，w11ichconvertsvectordatatobitm印forbuildingbitm印pyramid，tosolvemequestionofVectoriIatadrawingin3DsceneThepaperadaptsObjectorienteddeVelopmentmetllod，implementt

6、e玎aindatarealtimeschedulemetllodFinally，baSedontheresearchesoftechnologyt11eoriesa_bove，combine謝mtherequirementofforestfirepreVentioIl’ala唱escalerealthe3DterrainmappingsyStemfortIleforestfirepreVentionisdesi驢edaIlddeVelo