1v.report(1)                   Grass User's Manual                  v.report(1)
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NAME

6       v.report  - Reports geometry statistics for vector maps.
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KEYWORDS

9       vector, geometry, statistics
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SYNOPSIS

12       v.report
13       v.report --help
14       v.report  [-cd] map=name  [layer=string]  option=string  [units=string]
15       [sort=string]   [--help]  [--verbose]  [--quiet]  [--ui]
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17   Flags:
18       -c
19           Do not include column names in output
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21       -d
22           Report for geometries with no database records
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24       --help
25           Print usage summary
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27       --verbose
28           Verbose module output
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30       --quiet
31           Quiet module output
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33       --ui
34           Force launching GUI dialog
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36   Parameters:
37       map=name [required]
38           Name of vector map
39           Or data source for direct OGR access
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41       layer=string
42           Layer number or name
43           Vector features can have category values in different layers.  This
44           number  determines  which  layer  to use. When used with direct OGR
45           access this is the layer name.
46           Default: 1
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48       option=string [required]
49           Value to calculate
50           Options: area, length, coor
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52       units=string
53           Units
54           Options: miles, feet, meters, kilometers, acres, hectares, percent
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56       sort=string
57           Sort the result
58           Options: asc, desc
59           asc: Sort in ascending order
60           desc: Sort in descending order
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DESCRIPTION

63       v.report generates a table showing the area present in each of the cat‐
64       egories of a user-selected data layer.
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66       Area  is  given  in hectares, square meters, and square kilometers.  If
67       the units option is used, area is given  in  acres,  square  feet,  and
68       square miles.
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70       Feet  and acre units are always reported in their common versions (i.e.
71       the International Foot, exactly 5280 feet in a  mile),  even  when  the
72       location’s standard map unit is the US Survey foot.
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74       v.report  works  on the full map data; therefore, the current region is
75       ignored. If you wish to spatially limit the statistics,  a  map  subset
76       must  be  created with v.in.region and v.overlay, and then run v.report
77       on the new map.
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EXAMPLE

80       North Carolina sample dataset:
81       v.report zipcodes_wake option=area units=hectares
82       In the output, there is an extra column added containing the results.
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SEE ALSO

85        v.in.region, v.to.db, v.overlay
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AUTHOR

88       Markus Neteler, GDF Hannover
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SOURCE CODE

91       Available at: v.report source code (history)
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93       Main index | Vector index | Topics index | Keywords index  |  Graphical
94       index | Full index
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96       © 2003-2019 GRASS Development Team, GRASS GIS 7.8.2 Reference Manual
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100GRASS 7.8.2                                                        v.report(1)
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