sagang_salem: QGIS algorithm - Salem

View source: R/sagang_salem.R

sagang_salemR Documentation

QGIS algorithm - Salem

Description

QGIS Algorithm provided by SAGA Next Gen Salem (sagang:salem). —————- Arguments —————- SURFACE_T0: Initial Surface Elevation Argument type: raster Acceptable values: - Path to a raster layer REGOLITH_T0: Initial Regolith Thickness (optional) Argument type: raster Acceptable values: - Path to a raster layer REGOLITH_T0_DEFAULT: Default Default value: 0 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression ALLOCHTHONE: Allochthone Input (optional) Argument type: raster Acceptable values: - Path to a raster layer ALLOCHTHONE_DEFAULT: Default Default value: 0 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression SURFACE: Surface Elevation Argument type: rasterDestination Acceptable values: - Path for new raster layer REGOLITH: Regolith Thickness Argument type: rasterDestination Acceptable values: - Path for new raster layer DIFFERENCE: Difference Argument type: rasterDestination Acceptable values: - Path for new raster layer TIME_START: Start (Years BP) Default value: 50000 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression TIME_STOP: Stop (Years BP) Default value: 10000 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression TIME_STEP: Step (Years) Default value: 100 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression DIFFUSIVE_KD: Diffusivity Coefficient Kd (m^2/a) Default value: 0.01 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression DIFFUSIVE_NEIGHBOURS: Neighbourhood Default value: 1 Argument type: enum Available values: - 0: (0) Neumann - 1: (1) Moore Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3'

Usage

sagang_salem(
  SURFACE_T0 = qgisprocess:::qgis_default_value(),
  REGOLITH_T0 = qgisprocess:::qgis_default_value(),
  REGOLITH_T0_DEFAULT = qgisprocess:::qgis_default_value(),
  ALLOCHTHONE = qgisprocess:::qgis_default_value(),
  ALLOCHTHONE_DEFAULT = qgisprocess:::qgis_default_value(),
  SURFACE = qgisprocess:::qgis_default_value(),
  REGOLITH = qgisprocess:::qgis_default_value(),
  DIFFERENCE = qgisprocess:::qgis_default_value(),
  TIME_START = qgisprocess:::qgis_default_value(),
  TIME_STOP = qgisprocess:::qgis_default_value(),
  TIME_STEP = qgisprocess:::qgis_default_value(),
  DIFFUSIVE_KD = qgisprocess:::qgis_default_value(),
  DIFFUSIVE_NEIGHBOURS = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

SURFACE_T0

raster - Initial Surface Elevation. Path to a raster layer.

REGOLITH_T0

raster - Initial Regolith Thickness. Path to a raster layer.

REGOLITH_T0_DEFAULT

number - Default. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

ALLOCHTHONE

raster - Allochthone Input. Path to a raster layer.

ALLOCHTHONE_DEFAULT

number - Default. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

SURFACE

rasterDestination - Surface Elevation. Path for new raster layer.

REGOLITH

rasterDestination - Regolith Thickness. Path for new raster layer.

DIFFERENCE

rasterDestination - Difference. Path for new raster layer.

TIME_START

number - Start (Years BP). A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

TIME_STOP

number - Stop (Years BP). A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

TIME_STEP

number - Step (Years). A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

DIFFUSIVE_KD

number - Diffusivity Coefficient Kd (m^2/a). A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

DIFFUSIVE_NEIGHBOURS

enum of ⁠("(0) Neumann", "(1) Moore")⁠ - Neighbourhood. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

...

further parameters passed to qgisprocess::qgis_run_algorithm()

.complete_output

logical specifying if complete out of qgisprocess::qgis_run_algorithm() should be used (TRUE) or first output (most likely the main) should read (FALSE). Default value is TRUE.

.quiet

logical specifying if parameter .quiet for qgisprocess::qgis_run_algorithm() Default value is TRUE.

.messages

logical specifying if messages from qgisprocess::qgis_run_algorithm() should be printed (TRUE) or not (FALSE). Default value is FALSE.

Details

Outputs description

  • DIFFERENCE - outputRaster - Difference

  • REGOLITH - outputRaster - Regolith Thickness

  • SURFACE - outputRaster - Surface Elevation


JanCaha/r_package_qgis documentation built on Nov. 3, 2024, 5:25 p.m.