On Thu, 21 Jun 2018, Daniel Victoria wrote:

ESRI ArcINFO used two formats that spreded files into a directory with the
layer name and another directory called INFO. In the directory with the
layer name, the files had the .ADF extension you mentioned in the first
email. But their content is different.

Daniel,

  In the late 1980s I used Arc/INFO on a Prime and pc-arc/info on a pc. Info
was the attribute database.

From the list you sent, you have a file named hdr.adf, which is a giveaway
that we are dealing with an ESRI GRID (raster format). The presence of a
.OVR file also indicates that it's a grid, OVR being the raster pyramid
overviews.

  Thought so.

So, if you have a Raster product, it means that the person providing the
data took care of the processing to generate both the bare earth model and
the highest hit.

Anyway, you can use r.in.gdal to import those GRIDS into GRASS. Just point
to the hdr.adf file and all should be OK.

  My problems are that pointing r.in.gdal to the hdr.adf files display only
the strange wedge/rectangle I attached to messages earlier in this thread.
They should be retangles for a full 1 degree x 1 degree topographic quad map
with colors varying by elevation.

  My need is to learn why I'm not getting clean imports of either bare_earth
or highest_hits for any of the three years of data. This is why this thread
has continued so long. The only option to r.in.gdal I've used is '-o' to
use the source's projection for the map.

Thanks,

Rich


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