I really need your help.. I am using arcgis 10 and i mapped some points. with the based maps provided, i tried digitizing the road network. When i exported to kmz file and opened it in google eath. there is a shift. is it that i am not doing something right

  • 1
    Have you set your projection to Geographic WGS84? – Mapperz Aug 9 '12 at 13:53
  • can you please quantify the shift - is it a few metres off, or are your features sitting on the wrong continent? Can you give some screenshots? – Stephen Lead Aug 10 '12 at 3:26

Most likely this shift is due to a projection or datum issue. Check the projection of the feature class you created in ArcMap (the one you converted to a kmz), and make sure it is projected to WGS '84 Web Merc. Aux. Sphere. Also, do you know about the OpenStreetMap project which provides similar data for free?

  • This could be true, but also there could be a difference between the two ortho photos. If it is a small shift, it is photo related. If it is bigger (more than 6 feet) @mlowry is right, it is a projection issue. – Thad Aug 9 '12 at 12:31

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.