v.rast.stats
How GRASS runs Zonal statistics: v.rast.stats.
| Engine | GRASS |
|---|---|
| Tool name | v.rast.stats |
| Interface | cli |
| Implements | Zonal statistics |
| Preset | {"column_prefix":"zonal"} |
| Documentation | Not stated |
| Effects | modifies input: yes, network: no |
| Notes | Not stated |
| Status | active |
Parameters
| Name | Type | Required | Default | Choices | Note |
|---|---|---|---|---|---|
map | string | yes | Not stated | Not stated | vector name |
layer | string | no | 1 | Not stated | layer name |
type | string | no | point,line,boundary,centroid,area | point, line, boundary, centroid, area | multiple values |
where | string | no | Not stated | Not stated | sql_query name |
raster | string | yes | Not stated | Not stated | cell name; multiple values |
column_prefix | string | yes | Not stated | Not stated | multiple values |
method | string | no | number,null_cells,minimum,maximum,range,average,stddev,variance,coeff_var,sum,first_quartile,median,third_quartile,percentile | number, null_cells, minimum, maximum, range, average, stddev, variance, coeff_var, sum, first_quartile, median, third_quartile, percentile | multiple values |
percentile | integer | no | 90 | 0-100 | Not stated |
flag_c | boolean | no | Not stated | Not stated | flag -c |
flag_d | boolean | no | Not stated | Not stated | flag -d |
How it maps to the operation
| Operation parameter | Parameter here | Note |
|---|---|---|
zones | map | Not stated |
raster | raster | Not stated |
stats | method | count = number; mean = average; min = minimum; max = maximum; sum = sum; std = stddev |
Differences from the operation
- Writes the statistics as new columns in the zone map's own attribute table; there is no separate output.
Harvested by the grass harvester from engine version
8.5.0. Names can change when an engine is harvested again.