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Finding lat & lon and create a shapefile

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Finding lat & lon and create a shapefile

  1. 1. 2/23/2012 Get Longitude(x)/Latitude(Y) from Google Map Add geographical Data in Arc GIS GIS in Health and Planning 2012 Spring Rutgers University by Wansoo Im, Ph.D.
  2. 2. SEARCH FOR THE LOCATION <ul><li>Right click – click “What’s here?” </li></ul>
  3. 3. YOU WILL SEE ‘LONGITUDE(X)/LATIITUDE (Y)’ DATA IN THE SEARCH BAR <ul><li>X(longtitude) : -74.445872 </li></ul><ul><li>Y(latitude) : 40.497304 </li></ul>
  4. 4. CREATE EXCEL FILE <ul><li>Save file as xls. Format – Excel 97-2003 workbook </li></ul>
  5. 5. WARNING!!! <ul><li>Make sure if you close your Excel file after you save it. </li></ul><ul><li>If Excel file is open, then you will see an error message in Arc GIS when you try to open the excel file. </li></ul>
  6. 6. OPEN ARC GIS ->ADD XY DATA
  7. 7. CLICK THE FOLDER ICON TO SEARCH FOR EXCEL FILE <ul><li>->Select Sheet where you put the data </li></ul>
  8. 8. MAKE SURE X-Y FIELD MATCH YOUR EXCEL FIELD LATITUDE – LONGITUDE AND YOU NEED TO DEFINE PROJECTION <ul><li>X field : Longitude </li></ul><ul><li>Y field : Latitude </li></ul><ul><li>Click “Edit” to change Projection </li></ul><ul><li>Helpful link : </li></ul><ul><li>http://ic.ucdavis.edu/information/GPStoArcGIS9.pdf </li></ul>
  9. 9. PROJECTION <ul><li>Geographic Coordinate Systems: Choose “World” , then choose “WGS1984.prj” file. </li></ul><ul><li>Click “Apply”, and “OK” </li></ul>
  10. 10. CHANGE SYMBOLOGY
  11. 11. OUTCOME <ul><li>You can export the file as a new shape file, so we can use it for analysis. </li></ul>

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