GIS???????? - PowerPoint PPT Presentation

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Title:

GIS????????

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Title: Author: Micro Last modified by: dl Created Date: 12/29/2005 3:44:57 AM Document presentation format: – PowerPoint PPT presentation

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Title: GIS????????


1
GIS????????
  • ???
  • ??????
  • ?????
  • ?????????????????

2
???????????
  • ?????
  • 1.??????,???????20??40??????????????????????,?????
    ??20??40??????

3
????????????20??40???????
4
????????????????600??1200?????????,?????????
5
??????????????
  • ?????????r1?r2?r3?mainstreet??????????????????????
    ?????,????????????????????????????arcview?????Geop
    rocessing?????view????view/Geoprocessing wizard
    ???????????,????????Draw Line????????????????????
    ?????????????????????????? ????????????
    ??????????????????????????????

6
????????????????
  • ??????????????,?????????????,????????????????????
    ??????,????????????0-100?100-500?500-1000?1000
    -1500??

7
????????????????
8
????????????????????
9
????????????
  • ??????????????????,??????school?????????????town_
    name(????)?rec_school(????),??????????????????????
    ,???town_name?,???summarize???????,???????????????
    ??????,????????P(??)P(??)H(????)??????????????????
    ??????,????????????????????????????????????????

10
?????????????????????
11
?????????????????,???????
12
?????????????????????????
13
????????????????????
14
????????????????,????,?????.
15
(No Transcript)
16
(No Transcript)
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