QGIS algorithm - Directional statistics for raster layer

Source: R/sagang_directionalstatisticsforrasterlayer.R

QGIS Algorithm provided by SAGA Next Gen Directional statistics for raster layer (sagang:directionalstatisticsforrasterlayer). ---------------- Arguments ---------------- GRID: Grid Argument type: raster Acceptable values: - Path to a raster layer MEAN: Arithmetic Mean Argument type: rasterDestination Acceptable values: - Path for new raster layer DIFMEAN: Difference from Arithmetic Mean Argument type: rasterDestination Acceptable values: - Path for new raster layer MIN: Minimum Argument type: rasterDestination Acceptable values: - Path for new raster layer MAX: Maximum Argument type: rasterDestination Acceptable values: - Path for new raster layer RANGE: Range Argument type: rasterDestination Acceptable values: - Path for new raster layer VAR: Variance Argument type: rasterDestination Acceptable values: - Path for new raster layer STDDEV: Standard Deviation Argument type: rasterDestination Acceptable values: - Path for new raster layer STDDEVLO: Mean less Standard Deviation Argument type: rasterDestination Acceptable values: - Path for new raster layer STDDEVHI: Mean plus Standard Deviation Argument type: rasterDestination Acceptable values: - Path for new raster layer DEVMEAN: Deviation from Arithmetic Mean Argument type: rasterDestination Acceptable values: - Path for new raster layer PERCENT: Percentile Argument type: rasterDestination Acceptable values: - Path for new raster layer POINTS: Points (optional) Argument type: source Acceptable values: - Path to a vector layer POINTS_OUT: Directional Statistics for Points Argument type: vectorDestination Acceptable values: - Path for new vector layer DIRECTION: Direction (Degree) 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 TOLERANCE: Tolerance (Degree) 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 MAXDISTANCE: Maximum Distance (Cells) 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 DW_WEIGHTING: Weighting Function Default value: 3 Argument type: enum Available values: - 0: (0) no distance weighting - 1: (1) inverse distance to a power - 2: (2) exponential - 3: (3) gaussian Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' DW_IDW_POWER: Power Default value: 2 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 DW_BANDWIDTH: Bandwidth Default value: 25 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

sagang_directionalstatisticsforrasterlayer(
  GRID = qgisprocess:::qgis_default_value(),
  MEAN = qgisprocess:::qgis_default_value(),
  DIFMEAN = qgisprocess:::qgis_default_value(),
  MIN = qgisprocess:::qgis_default_value(),
  MAX = qgisprocess:::qgis_default_value(),
  RANGE = qgisprocess:::qgis_default_value(),
  VAR = qgisprocess:::qgis_default_value(),
  STDDEV = qgisprocess:::qgis_default_value(),
  STDDEVLO = qgisprocess:::qgis_default_value(),
  STDDEVHI = qgisprocess:::qgis_default_value(),
  DEVMEAN = qgisprocess:::qgis_default_value(),
  PERCENT = qgisprocess:::qgis_default_value(),
  POINTS = qgisprocess:::qgis_default_value(),
  POINTS_OUT = qgisprocess:::qgis_default_value(),
  DIRECTION = qgisprocess:::qgis_default_value(),
  TOLERANCE = qgisprocess:::qgis_default_value(),
  MAXDISTANCE = qgisprocess:::qgis_default_value(),
  DW_WEIGHTING = qgisprocess:::qgis_default_value(),
  DW_IDW_POWER = qgisprocess:::qgis_default_value(),
  DW_BANDWIDTH = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

GRID

raster - Grid. Path to a raster layer.

MEAN

rasterDestination - Arithmetic Mean. Path for new raster layer.

DIFMEAN

rasterDestination - Difference from Arithmetic Mean. Path for new raster layer.

MIN

rasterDestination - Minimum. Path for new raster layer.

MAX

rasterDestination - Maximum. Path for new raster layer.

RANGE

rasterDestination - Range. Path for new raster layer.

VAR

rasterDestination - Variance. Path for new raster layer.

STDDEV

rasterDestination - Standard Deviation. Path for new raster layer.

STDDEVLO

rasterDestination - Mean less Standard Deviation. Path for new raster layer.

STDDEVHI

rasterDestination - Mean plus Standard Deviation. Path for new raster layer.

DEVMEAN

rasterDestination - Deviation from Arithmetic Mean. Path for new raster layer.

PERCENT

rasterDestination - Percentile. Path for new raster layer.

POINTS

source - Points. Path to a vector layer.

POINTS_OUT

vectorDestination - Directional Statistics for Points. Path for new vector layer.

DIRECTION

number - Direction (Degree). 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.

TOLERANCE

number - Tolerance (Degree). 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.

MAXDISTANCE

number - Maximum Distance (Cells). 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.

DW_WEIGHTING

enum of ("(0) no distance weighting", "(1) inverse distance to a power", "(2) exponential", "(3) gaussian") - Weighting Function. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

DW_IDW_POWER

number - Power. 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.

DW_BANDWIDTH

number - Bandwidth. 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.

...

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

  • DEVMEAN - outputRaster - Deviation from Arithmetic Mean

  • DIFMEAN - outputRaster - Difference from Arithmetic Mean

  • MAX - outputRaster - Maximum

  • MEAN - outputRaster - Arithmetic Mean

  • MIN - outputRaster - Minimum

  • PERCENT - outputRaster - Percentile

  • POINTS_OUT - outputVector - Directional Statistics for Points

  • RANGE - outputRaster - Range

  • STDDEV - outputRaster - Standard Deviation

  • STDDEVHI - outputRaster - Mean plus Standard Deviation

  • STDDEVLO - outputRaster - Mean less Standard Deviation

  • VAR - outputRaster - Variance