地理与及旅游学院实验报告.docx

地理与及旅游学院实验报告.docx

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地理与及旅游学院实验报告

地理与及旅游学院实验报告

实验课程：

GIS软件高级教程

实验编号：

实验四

实验名称：

学校选址

实验人员：

年级

专业

学号

姓名

实验日期：

2019年12月15日

上交日期：

2019年12月15日

实验室：

实验评价：

实验成绩：

评定日期：

指导教师：

1、实验目的

二、实验环境

Arcgis10.2

2、实验内容与步骤

1.Opentheexperimentaldataintheexperimentdatafolder.

2.ClickGeographicprocessing,clicktheenvironment,selecttheprocessingrangeinthepop-upfolder,selectthesameasthelayerlanduseintherange,thenselectrasteranalysis,andselectthesameasthelayerlanduseinthepixelsize.

3.Deriveaslopedatasetfromelevationdata.OpentheArcToolbox,selectionspatialanalysistool,selectthesurfaceanalysis,selecttheslope,popuptheslopedialogbox.Selectelevation,clickOKintheinputgrid.

4.Adistancedatasetisderivedfromtheentertainmentplacedataset.InArcToolbox,thespatialanalysistoolisselected,thedistanceanalysisisselected,theEuclideandistanceisselected,andtheEuclideandistancedialogboxispoppedup.Selectrec_sites,clickOKintheinputrasterdataorelementsourcedata.

5.Followthesestepstoderiveadistancedatasetfromanexistingschooldataset.

6.Reclassifytheslopedataset.Selectthespatialanalysistoolinarctoolbox,selectthereclassification,andpopupthereclassificationdialogbox.Selectslope_elevate,clickclassificationintheinputgrid,popuptheclassificationdialogbox,selecttheequalintervalintheclassificationmethod,select10categories,clickOK,enterfrom10to0inturninthenewvalue,clickOK.

7.Followthestepsin6toreclassifythedatasettothedistancetotheentertainmentplace.

8.Followthestepsin6toreclassifythedatasettotheexistingschooldistance,butdonotenteritagaininthenewvalue.

9.Reclassifythelandusetypedataset,openthereclassificationdialogbox,clicktheinputgriditemdrop-downarrow,clicklanduse,clicktheResclassfielddrop-downarrow,clicklanduse,intheNewvaluescolumntoenterthefollowingcorrespondingvaluesforeachlandusetype.

Agriculture-10

Buildup—3

Barrenand-6

Forest—4

Brush/Transitional—5

DeletetheattributesofthelandusetypeofWaterandWetland,andchangethemtonullvalues.ClickthelinewiththevalueofWater,presstheshiftkey,clicktheWetlandline,andthenclickDeleteEntriestoselecttheChangemisvludestoNoDatacheck-holicandclickOK.

10.Right-clicktheReclass_land1layerinthecatalogtable,clickProperties,clicktheSymbologytab,clicktheDisplayNoDataasdrop-downarrow,andthenclickArcticWhite,todisplayemptyinthiscolorValueunit（waterbodyandwetland）,clickOK（OK）.

11.SelectthespatialanalysistoolinArcToolbox,selectthemapalgebra,selectthegridcalculator,andopenthegridcalculatordialogbox.Weightsandmergeseachdataset.Double-clicktheReclassofDistancetorec_siteslayerinthelayerlist,addittotheinputboxoftheoperationexpression,clickthemultiplicationsigntoentertheoperationexpression,clickthecorrespondingnumericalsymboltoentertheoperationexpression,clicktheplussigntopressthetwist,double-clicktheReclassofDistancetoschoolslayer,clickmultiplyPressthebuttonandclickenter0.25.9.clicktheplussignbutton,double-clicktheReclassoflanduselayer,double-clickthemultiplierbutton,double-clicktheinput0.125,double-clicktheplussignbutton,double-clicktheReclassofslopelayer,clickthemultiplierbutton,clickenter0.125.ClickOK.

12.Right-clickthenewgridlayerinthedirectory,clickProperties,selectthesymbolsysteminthepop-updialogbox,clickClassified,intheShowlist,clicktheClassesdrop-downarrow,expandandclick10,scrolltothelastthreeclassesintherecognitionlist,clickoneoftheclasses,presstheShiftkeyandclicktheothertwo,right-clickthehighlightedclass,clickPropertiesforselectedColors,inthepop-upmenuandthenclickWhite,clickDisplayNoDataaSdrop-downarrow,clickblack.Nowthenullvalueunit（waterbodyandwetland）willappearblack,clickOK.

13.Clicktheoutputdatasettwice,renamethedatasettoSuitability,anddeletetherestofthelayersinthedirectory,savethemapdocument,andend.