Department of Survey in Nepal has been providing the
topographic maps of whole Nepal in digital format. To be more exact, it
provides the contour maps of whole Nepal in Nepalese coordinate system
(modified UTM) in either 1:25000 or 1:50000 scale. If you have ARCGIS version
9.2 or 9.3 with 3d-Analyst extension, you can easily convert the digital map
from GIS format to AUTOCAD format. I shall explain the procedure of doing this
in a layman language and hope it will help a lot of us in our studies and work. Following are the step by
step procedures:
1.
Open ARCGIS map.
2.
Open ARCGIS Catalogue.
3. Drag the file from Arc Catalogue to the ARC map
window to its left side area. Drag only
the file with name starting like “Topo LN…”
4. Open the 3d analyst
Click 3d analyst
Click convert>
convert features to 3d
5. Select the contour
file
Click input feature
attribute and select "COV" form the field.
6. save the file in your desired location and click ok.
7. click the arc tool
box. "red box"
click
"index" at its bottom
type'export to
cad"
8. Select the file and
location and ok.
Open the exported file
in AUTOCAD.
You can also export other data except TOPO_LN to cad. You just don't have to convert them to 3d. Just export to cad.
If you have any
questions regarding this please mail me the query at sarveshdhakal@gmail.com
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