英语翻译
However,iftherearesomeveryobviousnoisepointsthatyouwanttoremove,youcanusethePointMeshEdittool,usuallywiththeRegionSelect.Inaddition,adjustingtheoriginaltrimssotheycoveronlythesharedcommonareasbetweenphotoscanreducetheamountofedgenoise(whichisduetomatchingattemptsofbackgroundimagery).
TousePointMeshEdit:Openthe3DViewer,zoomandrotatetoanareashowingobviousnoisepoints,selectthePointMeshEditModebuttonontheDSMtoolbar.NowselecttheRegionSelecttool(itwillbeenabledifthe3DViewerisactive).Thisallowsyoutodrawapolygonregionaroundthenoisepointsinthepointcloud.OncetheyareselectedyoucandeletethembyhittingDeleteonthekeyboard.
IfyoudonotusetheRegionSelecttool,thenumberofpointsselectedinthepointcloudwhenthemouseisclickedwilldependonthezoomlevelandthenumberofpointswithina‘hittest’region.Whenzoomedinquiteabit,youcanselectonepointatatime,butwhenzoomedout,asingleclickcanselectalargenumberofpointsinthecloud.
Bemindfulofwhatyouareselectingwheneditingthepointcloud.Youdonotwanttopunchholesthroughit.It’softenagoodideatospinthemodelaroundtomakesuretheselected(highlightedinred)pointsareinfactnoiseonly.Sometimestheangleatwhichyouareviewingthemodelmakesithardtoseetheextentsofyourselection.
RepeattheprocessfortherestofyournoisepointsandthenmoveontotheMeshingsteps,describedinthesectionbelow.
MeshyourPointCloud
Onceyourpointcloudisfreeofobviousnoise,youarereadytoruntheMeshingstepstotriangulateit.TheMeshingOptionsdialoganditsvariousoptionsandsettingsaredescribedintheHelpdocumentindetail.
WhenyouruntheMeshingsteps,thepointcloud(s)youhaveselectedwillbeprocessed.Ifyouhavemorethanonepointcloudselected,andifyouchoosetoruntheRegistrationandMergestep,theselectedpointcloudswillfirstbemerged,beforethefollowingMeshingstepsareundertaken.IfyoudonotruntheRegistrationandMergestepandifyouhavemorethanonepointcloudselected,themeshingstepswillonlyrunononeoftheselectedpointclouds.
FurtherwhenrunningtheMeshingsteps,anewpointmeshwill
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