High-resolution images availableonGoogle Earth are increasingly beingconsulted in geographic studies.However,most studies limit themselves to visualizations or on-screen measurements.Google Earth allows users to creat...High-resolution images availableonGoogle Earth are increasingly beingconsulted in geographic studies.However,most studies limit themselves to visualizations or on-screen measurements.Google Earth allows users to create points,lines,and polygons on-screen,which can be saved as Keyhole Markup Language(KML)files.Here,the use of R statistics freeware is proposed to easilyconvertthese files to the shapefile format[or‘.shp file format’],which can be loaded into Geographic Information System(GIS)software(ESRI ArcGIS 9 in our example).The geospatial data integration in GIS strongly increases the analysis possibilities.展开更多
基金Coudere´bvba(Monnikenwerve 43,B-8000 Brugge,Belgium)for the use of the Trimble GEO XH(2005 series)GPS.
文摘High-resolution images availableonGoogle Earth are increasingly beingconsulted in geographic studies.However,most studies limit themselves to visualizations or on-screen measurements.Google Earth allows users to create points,lines,and polygons on-screen,which can be saved as Keyhole Markup Language(KML)files.Here,the use of R statistics freeware is proposed to easilyconvertthese files to the shapefile format[or‘.shp file format’],which can be loaded into Geographic Information System(GIS)software(ESRI ArcGIS 9 in our example).The geospatial data integration in GIS strongly increases the analysis possibilities.
