25.1.10. Plots

Bar plot
Box plot
Mean and standard deviation plot
Polar plot
Raster layer histogram
Vector layer histogram
Vector layer scatterplot
Vector layer scatterplot 3D

25.1.10.1. Bar plot 

Creates a bar plot from a category and a layer field.

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[vector: any]	Input vector layer
Category field name	`NAME_FIELD`	[tablefield: any]	Categorical field to use for grouping the bars (X axis)
Value field	`VALUE_FIELD`	[tablefield: any]	Value to use for the plot (Y axis).
Bar plot	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Bar plot	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:barplot

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.2. Box plot 

Creates a box plot from a category field and a numerical layer field.

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[vector: any]	Input vector layer
Category name field	`NAME_FIELD`	[tablefield: any]	Categorical field to use for grouping the boxes (X axis)
Value field	`VALUE_FIELD`	[tablefield: any]	Value to use for the plot (Y axis).
Additional statistic lines	`MSD`	[enumeration] Default: 0	Additional statistics information to add to the plot. One of: 0 — Show Mean 1 — Show Standard Deviation 2 — Don’t show mean and standard deviation
Box plot	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Box plot	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:boxplot

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.3. Mean and standard deviation plot 

Creates a box plot with mean and standard deviation values.

Parameters

Label	Имя	Тип	Описание
Input table	`INPUT`	[vector: any]	Input vector layer
Category name field	`NAME_FIELD`	[tablefield: any]	Categorical field to use for grouping the boxes (X axis)
Value field	`VALUE_FIELD`	[tablefield: any]	Value to use for the plot (Y axis).
Plot	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Plot	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:meanandstandarddeviationplot

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.4. Polar plot 

Generates a polar plot based on the value of an input vector layer.

Two fields must be entered as parameters: one that defines the category each feature (to group features) and another one with the variable to plot (this has to be a numeric one).

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[vector: any]	Input vector layer
Category name field	`NAME_FIELD`	[tablefield: any]	Categorical field to use for grouping the features (X axis)
Value field	`VALUE_FIELD`	[tablefield: any]	Value to use for the plot (Y axis).
Polar plot	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Polar plot	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:polarplot

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.5. Raster layer histogram 

Generates a histogram with the values of a raster layer.

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[raster]	Input raster layer
Band number	`BAND`	[raster band]	Raster band to use for the histogram
number of bins	`BINS`	[number] Default: 10	The number of bins to use in the histogram (X axis). Minimum 2.
Histogram	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Histogram	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:rasterlayerhistogram

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.6. Vector layer histogram 

Generates a histogram with the values of the attribute of a vector layer.

The attribute to use for computing the histogram must be numeric.

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[vector: any]	Input vector layer
Attribute	`FIELD`	[tablefield: any]	Value to use for the plot (Y axis).
number of bins	`BINS`	[number] Default: 10	The number of bins to use in the histogram (X axis). Minimum 2.
Histogram	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Histogram	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:vectorlayerhistogram

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.7. Vector layer scatterplot 

Creates a simple X - Y scatter plot for a vector layer.

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[vector: any]	Input vector layer
X attribute	`XFIELD`	[tablefield: any]	Field to use for the X axis
Y attribute	`YFIELD`	[tablefield: any]	Field to use for the Y axis
Scatterplot	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Scatterplot	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:vectorlayerscatterplot

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.

25.1.10.8. Vector layer scatterplot 3D 

Creates a 3D scatter plot for a vector layer.

Parameters

Label	Имя	Тип	Описание
Input layer	`INPUT`	[vector: any]	Input vector layer
X attribute	`XFIELD`	[tablefield: any]	Field to use for the X axis
Y attribute	`YFIELD`	[tablefield: any]	Field to use for the Y axis
Z attribute	`ZFIELD`	[tablefield: any]	Field to use for the Z axis
Histogram	`OUTPUT`	[html] Default: `[Save to temporary file]`	Specify the HTML file for the plot. One of: Save to a Temporary File Save to File…

Outputs

Label	Имя	Тип	Описание
Histogram	`OUTPUT`	[html]	HTML file with the plot. Available in the Processing ► Result Viewer.

Python code

Algorithm ID: qgis:scatter3dplot

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Изпользование алгоритмов геообработки в консоли for details on how to run processing algorithms from the Python console.