Zonal Grid Statistics for Polygons

Author: O.Conrad (c) 2003, Quantile Calculation (c) 2007 by Johan Van de Wauw
Menu: Shapes | Grid | Grid Values;Spatial and Geostatistics | Zonal Statistics

Description

Zonal grid statistics. For each polygon statistics based on all covered grid cells will be calculated. Statistics can also be aggregated by a category provided by an attribute.

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Grids	grid list, input	`GRIDS`	-	-
Input	Polygons	shapes, input	`POLYGONS`	-	-
Output	Polygon Statistics	shapes, output, optional	`RESULT`	If not set polygon statistics will be appended to the input polygons layer.	-
Output	Category Statistics	table, output	`CATEGORIES`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Copy Attributes	boolean	`ATTRIBUTES`	Copy attributes from input polygons layer.	Default: 0
	Category	table field	`CATEGORY`	-	-
	Output	choice	`OUTPUT`	-	Available Choices: [0] polygon statistics [1] polygon and category statistics [2] category statistics Default: 0
	Field Naming	choice	`NAMING`	-	Available Choices: [0] grid number [1] grid name Default: 1
	Method	choice	`METHOD`	-	Available Choices: [0] simple and fast [1] polygon wise (cell centers) [2] polygon wise (cell area) [3] polygon wise (cell area weighted) Default: 0
	Use Multiple Cores	boolean	`PARALLELIZED`	-	Default: 1
	Number of Cells	boolean	`COUNT`	-	Default: 1
	Minimum	boolean	`MIN`	-	Default: 1
	Maximum	boolean	`MAX`	-	Default: 1
	Range	boolean	`RANGE`	-	Default: 1
	Sum	boolean	`SUM`	-	Default: 1
	Mean	boolean	`MEAN`	-	Default: 1
	Variance	boolean	`VAR`	-	Default: 1
	Standard Deviation	boolean	`STDDEV`	-	Default: 1
	Gini	boolean	`GINI`	-	Default: 0
	Percentiles	text	`QUANTILES`	Separate the desired percentiles by semicolon, e.g. "5; 25; 50; 75; 95"	-

Command Line


Usage: saga_cmd shapes_grid 2 [-GRIDS ] [-POLYGONS ] [-RESULT ] [-ATTRIBUTES ] [-CATEGORY ] [-CATEGORIES ] [-OUTPUT ] [-NAMING ] [-METHOD ] [-PARALLELIZED ] [-COUNT ] [-MIN ] [-MAX ] [-RANGE ] [-SUM ] [-MEAN ] [-VAR ] [-STDDEV ] [-GINI ] [-QUANTILES ]
  -GRIDS:          Grids
	grid list, input
  -POLYGONS:       Polygons
	shapes, input
  -RESULT:         Polygon Statistics
	shapes, output, optional
  -ATTRIBUTES:     Copy Attributes
	boolean
	Default: 0
  -CATEGORY:       Category
	table field
  -CATEGORIES:     Category Statistics
	table, output
  -OUTPUT:
                        Output
                        	choice
                        	Available Choices:
                        	[0] polygon statistics
                        	[1] polygon and category statistics
                        	[2] category statistics
                        	Default: 0
  -NAMING:         Field Naming
	choice
	Available Choices:
	[0] grid number
	[1] grid name
	Default: 1
  -METHOD:
                        Method
                        	choice
                        	Available Choices:
                        	[0] simple and fast
                        	[1] polygon wise (cell centers)
                        	[2] polygon wise (cell area)
                        	[3] polygon wise (cell area weighted)
                        	Default: 0
  -PARALLELIZED:   Use Multiple Cores
	boolean
	Default: 1
  -COUNT:          Number of Cells
	boolean
	Default: 1
  -MIN:            Minimum
	boolean
	Default: 1
  -MAX:            Maximum
	boolean
	Default: 1
  -RANGE:          Range
	boolean
	Default: 1
  -SUM:            Sum
	boolean
	Default: 1
  -MEAN:           Mean
	boolean
	Default: 1
  -VAR:            Variance
	boolean
	Default: 1
  -STDDEV:         Standard Deviation
	boolean
	Default: 1
  -GINI:           Gini
	boolean
	Default: 0
  -QUANTILES:      Percentiles
	text