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#1
glenp

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I am looking for a data source for creating shaded relief for the Rio area.

My final scale is around 1:300,000.

Any pointers?

Thanks..

#2
ProMapper

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I am looking for a data source for creating shaded relief for the Rio area.

My final scale is around 1:300,000.

Any pointers?

Thanks..

Hi

You can easily use SRTM data, with a resolution of 3 sec, it translates to about 90m resolution for the Rio latitude and at 1:300,000 scale a point represents around 75m. If you want a better resolution data then try ASTER DEM at 1 sec resolution but you will require to clean this data.

Both the data sets are available for free download.

Anu
http://www.mapsandlocations.com




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