Note: This document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade, and read the current manual page.
NAME
v.report - Reports geometry statistics for vector maps.
KEYWORDS
vector,
geometry,
statistics
SYNOPSIS
v.report
v.report --help
v.report [-cd] map=name [layer=string] option=string [units=string] [sort=string] [--help] [--verbose] [--quiet] [--ui]
Flags:
- -c
- Do not include column names in output
- -d
- Report for geometries with no database records
- --help
- Print usage summary
- --verbose
- Verbose module output
- --quiet
- Quiet module output
- --ui
- Force launching GUI dialog
Parameters:
- map=name [required]
- Name of vector map
- Or data source for direct OGR access
- layer=string
- Layer number or name
- Vector features can have category values in different layers. This number determines which layer to use. When used with direct OGR access this is the layer name.
- Default: 1
- option=string [required]
- Value to calculate
- Options: area, length, coor
- units=string
- Units
- Options: miles, feet, meters, kilometers, acres, hectares, percent
- sort=string
- Sort the result
- Options: asc, desc
- asc: Sort in ascending order
- desc: Sort in descending order
v.report generates a table showing the area present in
each of the categories of a user-selected data layer.
Area is given in hectares, square meters, and square kilometers.
If the units option is used, area is given in acres, square feet,
and square miles.
Feet and acre units are always reported in their common versions
(i.e. the International Foot, exactly 5280 feet in a mile), even
when the location's standard map unit is the US Survey foot.
v.report works on the full map data; therefore, the current
region is ignored. If you wish to spatially limit the statistics,
a map subset must be created with v.in.region and
v.overlay, and then run v.report on the new map.
North Carolina sample dataset:
v.report zipcodes_wake option=area units=hectares
In the output, there is an extra column added containing the results.
v.in.region,
v.to.db,
v.overlay
Markus Neteler, GDF Hannover
SOURCE CODE
Available at:
v.report source code
(history)
Latest change: Mon Nov 18 20:15:32 2019 in commit: 1a1d107e4f6e1b846f9841c2c6fabf015c5f720d
Note: This document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade, and read the current manual page.
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GRASS Development Team,
GRASS GIS 7.8.8dev Reference Manual