最新地理信息系统实验83幻灯片.ppt

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1、地理信息系统实验地理信息系统实验83打开一个项目文件（打开一个项目文件（qstart.apr）：）：版面设计点击点击出现以下窗口：双击改为改为结果如下：其他要素可作类似修改，使得地图更美观。Arcview练习（二）练习（二）1.按照练习1的方法打开Arcview，选择United States，打开。2.美国地图被打开3.选择窗口中的1.qstar.apr。4.选择Table的Add5.弹出对话框，选择qstar文件夹的sales.dbf文件。6.弹出一个表格，即销售额。7.激活美国地图后，再激活US States theme，点击Open Theme Table弹出对话框，即属性。8.再激活

2、销售表，我们发现两个表格在各州的名称上是一样的，就可以连接了。9.分别点击两个表的State再点Join。10.两个表连接起来了。 11.下面开始对图例编辑，双击US States在Table of Contents中，选择Graduated Color，如图所示。12.在中Classification Field选择Total，在Color Ramps选择Greens to Oranges dichromatic，然后倒转颜色代表的销售额。13.这样根据销售额美国就被分区。14.加题目，即在图上加上美国的城市名。点击Add Theme，在对话框中选择qstar中的uscities.shp文件

3、。打开。15.这样美国的城市名添加成功（如图）16.对新加的图例进行编辑，双击US cities弹出对话框再进行编辑。17.如图所示，城市出现在图上（自动生成一万人口以上的城市）。18.按要求只需要8万人以上的城市，先点击Theme Properties，再点Query Builder进行操作，将人口设置为8万人以上。19.再把UScities改为Large cities20.这样地图上的城市都在8万人以上。21.现在再找出配送中心城市亚特兰大的位置，点击Find再输入Atlanta，点ok。22.图上黄色一点就是亚特兰大。 23.在Theme menu中选Select By Theme选择离

4、亚特兰大300英里的城市。24.选择Are Within Distance Of再输入300英里。点击New Set。25.这样黄色的点就代表离亚特兰大距离300英里的城市。26.点击Zoom to Selected Features放大这一区域，便于观察。27.在Theme menu中选Auto-label自动作标签，在每个点附近标上城市名称。28.从图上的颜色版块可知，Lexington-FayetteHuntsvilleBirminghamandMontgomery四个城市满足题意。Arcview练习（三）练习（三）1.按照练习1的方法打开Arcview，选择Atlanta，打开。2.出

5、现的是Atlanta城的城区交通图3.再在窗口中激活qstar.apr文件4.再点击Table中的Add按钮，选择customers .dbf文件6.这就是你顾客的各种情况数据7.现在将顾客位置定位到城区图中。选择View中的Geocode Addresses8.在Address Table中选择customrs.dbf文件9.定位后的结果显示如下，点击Done 10.顾客的地理位置即显示在城区上。11.点击Query Builder 查询按钮，选择类型为百货商店。12.再打开Theme Table,黄色的就是百货商店。13.选择表中的Sales字段名，再点击排序按钮，最后点击提升按钮，前五位

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