Currently I am working with two data set ASTER and SRTM. I want to check their accuracy with reference to toposheet.

How would I do that in ArcGIS Desktop 10.4?

I want to check accuracy in terms of area and length of my study area.

  • i am yet to figure out how to compare these two data-set. I want to check weather there is any substantial difference in the derived DEM of the two satellite imagery which I am using – Subham Shree Feb 17 '17 at 7:49
  • 1
    What format is your topo data? Raster topo map, topographic vectors (contours, spot elevations, survey controls etc)? – user2856 Feb 17 '17 at 8:20
  • It is in contour format. – Subham Shree Feb 17 '17 at 14:40

Digitize manually the polygons on the raster data which you want to compare and do the comparison.

  • what short of comparison do i need in this case ? – Subham Shree Feb 17 '17 at 7:35

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.