AutoCAD Civil 3D exploits Google Earth [GE] provided raster and vector data to a great extent. Many fellow colleagues have reported very good accuracy of surface data coming from GE. I am also contributing my bit here. I zoomed to Rishikesh of Uttarakhand State in India in GE. Rishikesh has Ram & Laxman Jhoolas [bridges] over river Ganga along with numerous temples.
Coming to the point: I set my AutoCAD Civil 3D drawing coordinate system as UTM-WGS 1984 datum, Zone 43 North, Meter; Cent. Meridian 75d E. I imported GE image & surface data in AutoCAD Civil 3D. I drew a straight line alignment across the river Ganga and quickly drew profile view or long[itudinal] section [Image: Rishikesh2.jpg].
Coming to the point: I set my AutoCAD Civil 3D drawing coordinate system as UTM-WGS 1984 datum, Zone 43 North, Meter; Cent. Meridian 75d E. I imported GE image & surface data in AutoCAD Civil 3D. I drew a straight line alignment across the river Ganga and quickly drew profile view or long[itudinal] section [Image: Rishikesh2.jpg].
Result is for everybody to notice.
Enjoy. Please let me know if come across with good results involving Civil 3D and Google Earth.
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