使用Arcgis計算土地利用現(xiàn)狀圖圖斑面積

1、使用Arcgis計算土地利用現(xiàn)狀圖圖斑面積步驟CAE®形處理處理原那么：所畫地類界線與外圍范圍線能夠圍成閉合的區(qū)域,每個區(qū)域內(nèi)均包含一個地類符號或地類名稱將.dwg文件導(dǎo)入到Arcgis數(shù)據(jù)庫中翻開arcmap,#AicToulbox+0.AnalysisTools+CartographyTools-等ConversionTools+0FromRaster翻開arctoolbox工具箱+卷FromWS+.Metadata4ToCAL+.TcCaverace+的TdBASETqGecdatabaseF5atur9Classtq§FeatureClassto產(chǎn)ImportCAD

2、Aimati/ImportCoveraffekImportfromCAD言Raster7oGeodata者TabletcG日QdatabArctoolboxConversionToolsToGeodatabaseImportfromCADj翻開對話框,Inputfiles選擇要轉(zhuǎn)換的.Dwg文件,核桃塔溝土地利用圖.dwg,OutputStagingGeodatabase可選擇默認(rèn),或者自己新建文件夾.然后OK即可將核桃塔溝土地利用圖.dwg文件導(dǎo)入到核桃塔溝土地利用圖中上皿MFil電號|；1口口531：5版34ttiiai二5.Lcr%桌面%模觥塔溝土地利Iffi圉.工呼3LCAD1,GD&

3、#174;Qjp立*1,口RO«v&T«n«Gr*iA-naJ)LExplodeConplixDbjsetsC(fptiortil)ConedfrivronrrwEnts.;3i口h'lielp?三、地類界線拓?fù)涑擅婢€要素翻開Catalog匡口,新建面要素在相應(yīng)文件夾中,新建shapefile文件選擇polygon類型,ok即可新建面要素New_shapefile文件.-Isr:皿s后行向njiWw口如ITypa事5TCtlKB£*EkCtrl+TX上t.Fl£?freSh2jEnldrr灶全na,.1?iktifcinJtiM

4、_JjlipEEmhdllijcolaiabue=1Ft叩ert事f-0LayerQirnrpLagrti拓?fù)涑擅骈_始編輯New_shapefile,line右鍵SelectionSelectall,點擊拓?fù)涔ぞ邫赥crpcrlagy:工具,Editor|k|上|CreateNewFeature三Target:|Neiv_Shapefile即可將線拓?fù)涑擅嫱負(fù)錂z查,將不能拓?fù)涑擅娴木€進(jìn)行修改,直到所有線都能拓?fù)涑擅?a、細(xì)小面積b、線不閉合屬性掛接,原那么上GDBa據(jù)庫中的屬性不能直接掛接到面上,通過點屬性進(jìn)行過渡.a、將屬性掛接到點添加點point要素和Txtpro屬性表,|R-B-LMKC

5、XIJ.AXIU.UICL.|IJCADSt郎ir曙0kMm*電Copjf三TietPrrI卜：還安配蟲二蛇球fi3LinT3lKtP«xmandReib±cs?色RemToLtyerJanletsrnjysfKndaddtjaruddnftfltnUnixIflyeT'sattribMJtE-tx±ileksyoucanBkl工nine三門ind"1七l=yi(工好匕5UhrllL出5ddU.屬性掛接完,翻開點屬性表檢查屬性是否已掛接上.iJ1*'1>1kT*i,rkfi.匕十或±'molj5,anJ3:AHrI

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7、kirade.Krrp0中5一小njli出Ifarecordinthe方卡:tabeco&if'thaeanratdirtre(dntabe.舒凱res咱erEn："czfriereaJtrc曲由被table.重命名為&ixxjfjorng>tnb、將點屬性按空間位置掛接到面上,重新生成掛接屬性后的面HewSJJ電CopyXRemoveIIJoinData?Joinletsyou即口武acditcrsldatatethelayBr'iJttrbutetasksoysucarfforoomplej,fymgiicthelayersfieatures

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11、22vJori.(且4bcuttorungDstaIZ|Ca1»l四、面積計算面屬性分類按面字段中的txtvalue分類a、將按字段txtvalue分類,右鍵propertiesSymbologyb、將按字段txtvalue顯示,右鍵propertieslabelsC、對照cad圖進(jìn)行檢查,檢查屬性是否賦對,假設(shè)有問題,在編輯狀態(tài)下,選擇錯誤的面,在屬性表中修改代碼.計算面積翻開屬性表,添加面積字段,類型為doubleI：=lSelect411AddEieId,.urnAllFieldsOn/ShowFieldAliasesRestoreDefaultColuiut'Vidt