rivdem
rivdem demfile
Description
rivdem scans a RivaFile-formatted digital elevation model
(DEM), and computes the minimum, maximum, and average elevation
in the file. The file must have TYPE='DEM' and BPP=2.
rivdem displays cumulative results for each line of
the file as it processes.
Usage
The following listing shows how to run rivdem on 'dem.riv':
% rivheader dem.riv
RivaFile: dem.riv
LBLSIZE=1024
TYPE='DEM'
NL=171
NS=98
BPP=2
SUNFORMAT=1
...
% rivdem dem.riv
rivdem dem.riv
rivdem v1.0 Aug 9 1995 11:42:13
rivdem: dem.riv's bytes are in Unix order.
Band 0: Min = 1289 Max = 2455 Avg = 1869.87
Band 1: Min = 1289 Max = 2691 Avg = 1883.89
Band 2: Min = 1289 Max = 2691 Avg = 1889.51
.
.
.
Band 168: Min = 21 Max = 3202 Avg = 1162.19
Band 169: Min = 21 Max = 3202 Avg = 1158.46
Band 170: Min = 21 Max = 3202 Avg = 1154.67
Min Elevation = 21
Max Elevation = 3202
Avg Elevation = 1154.67
%
See Also
RivaFile Format,
rivheader.
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