MapsAVisualizationTool地图可视化工具

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1、Maps:AVisualizationToolActivity2:ContourMapsName:LabSection:Date:1.Readingacontourmapfollowsafewsimplerulesthatapplytoallthesetypesofmaps.Becausemostpeoplehaveafeelfortopography,determiningtherulesofcontourmapsiseasiestusingatopographicmap.StudythetopographicmapinFig.1andcompletether

2、ulesofcontourmaps.Foreachrule,thesectionofthemapillustratingtherulehasbeenlettered.Fig.1:Atopographiccontourmap.CopyrightHoughtonMifflinCompany.AllRightsReserved.Page1of3Maps:AVisualizationToolActivity2:ContourMapsa.ContourspointormakeaVshapeinthestreamdirection[A].b.Closelygroupedco

3、ntoursindicateslopes[B].c.Widelyspacedcontoursindicateslopes[C].d.Ifyourhikeoverthetopofahill,youwillcrossthesame/different(circleone)contoursonoppositesidesofthesummit[D].e.Contourscan/cannot(circleone)touchorcross.f.Depressionsareenclosedbyontheuphill/downhill(circleone)sideoftheco

4、ntour[E].g.Contourscan/cannot(circleone)split.h.Closedcontourlinesindicateaora[F].i.Pointsononesideofacontourlineareorthanpointsontheotherside.2.PlottedonthemapinFig.2aretheresultsofatopographicsurvey.Eachpointisapositionwheretheelevationhasbeendetermined.Thepointsarelabeledwiththeir

5、heightinmeters.Dashedlinesrepresentstreamsorrivers.Usethesedatapointstoconstructatopographicmapofthearea.a.Determinethemaximumandminimumelevationsinthemaparea.Enteryourresultsbelow.Minimum:Maximum:b.Usingacontourintervalof10m,determinethecontourlinesnecessarytoaccommodatethemaximuman

6、dminimumelevations.Enteryourresultsbelow(notethattheremaynotbecontourlinestofillalltheblanks).c.Startdrawingyourcontoursinthesouthwestcornerofthemap.Usetherulesofcontourstodrawyourcontourlinescorrectly.Makeyourmapasrealisticaspossible.Afterdrawingtwocontourlinescompletelyacrossyourma

7、p,haveyourinstructorcheckyourworkbeforeyouproceedfurther.CopyrightHoughtonMifflinCompany.AllRightsReserved.Page2of3Maps:AVisualizationToolActivity2:ContourMapsFig.2:Theresultsofatopographicsurvey.FollowthislinktoaJavaappletthatwillhelpyouwiththiscontourmap.2.Usingthetopographicmappro

8、videdbyyouri