Until a DEM is loaded, only a few choices will
be available on this sub menu of the MICRODEM menu.
convert between different datums, with lat/long, UTM, and
- Geocode, address to lat/long
tables or graphs, with algorithm from Naval
calculate moonrise and moonset (plus sunrise/sunset)
- Elevation histograms:
provide a series of graphs.
- Elevation-slope plot: calculates
displays a number of different graphs.
- Vertical earth
- Horizontal earth
curvature (requires open DEM)
- Slope with lat/long DEMs--show maximum slope difference
from assuming a constant spacing in meters over the entire DEM
- Slope region size
- ArcGIS geographic DEM conversion factors: this is the factor
needed to get GCS DEMs to work correctly. You can use only one
factor, and must pick if you want the X direction, the Y direction,
or the average.
- DEM Properties
- Header view header
record for the DEM or image. You can verify that the
datum is set correctly.
- File Metadata. Opens popup menu, select
data type, pick file, and see
These options may not be available, and may not work even if they are
available. They were developed for specific research projects, and some of
the project flow may have been hard wired in the code.
- Batch processing--some of these can use multiple processors/cores, and
operate on global data sets
- Remove SRTM water bodies. Select an input series from the
map library, and and output
directory. All DEMs in the input series will have the
SRTM water bodies removed, and the new
DEMs will be saved in the output directory. This should be SRTM, or
SRTM-like data sets, in 1º (or multiple of
- Geomorph atlas
- Block statistics for series from the
can be done as part of this computation. Uses threads for multiple
processors. Pick the DEM series to use, and the output
directory for the DBF files. Because of the threading, each DEM will
have its results put into a separate DBF file which can be combined in
- Merge block statistics DBFs. For SRTM-3", this will combine the
dBase tables created by the block statistics options into global grids.
- Drainage basin statistics
- Series differences
Last revision 4/3/2016