sagang_seedgeneration: QGIS algorithm - Seed generation

In JanCaha/r_package_qgis: An extension of package "qgisprocess" providing direct R functions for QGIS functions

QGIS algorithm - Seed generation

Description

QGIS Algorithm provided by SAGA Next Gen Seed generation (sagang:seedgeneration). —————- Arguments —————- FEATURES: Features Argument type: multilayer VARIANCE: Variance Argument type: rasterDestination Acceptable values: - Path for new raster layer SEED_GRID: Seeds Grid Argument type: rasterDestination Acceptable values: - Path for new raster layer SEED_POINTS: Seed Points Argument type: vectorDestination Acceptable values: - Path for new vector layer SEED_TYPE: Seed Type Default value: 0 Argument type: enum Available values: - 0: (0) minima of variance - 1: (1) maxima of variance Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' METHOD: Method Default value: 0 Argument type: enum Available values: - 0: (0) band width smoothing - 1: (1) band width search Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' BAND_WIDTH: Bandwidth (Cells) Default value: 10 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 NORMALIZE: Normalize Features Default value: false Argument type: boolean Acceptable values: - 1 for true/yes - 0 for false/no - 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: 5 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

Usage

sagang_seedgeneration(
  FEATURES = qgisprocess:::qgis_default_value(),
  VARIANCE = qgisprocess:::qgis_default_value(),
  SEED_GRID = qgisprocess:::qgis_default_value(),
  SEED_POINTS = qgisprocess:::qgis_default_value(),
  SEED_TYPE = qgisprocess:::qgis_default_value(),
  METHOD = qgisprocess:::qgis_default_value(),
  BAND_WIDTH = qgisprocess:::qgis_default_value(),
  NORMALIZE = 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

FEATURES	multilayer - Features. .
VARIANCE	rasterDestination - Variance. Path for new raster layer.
SEED_GRID	rasterDestination - Seeds Grid. Path for new raster layer.
SEED_POINTS	vectorDestination - Seed Points. Path for new vector layer.
SEED_TYPE	enum of ⁠("(0) minima of variance", "(1) maxima of variance")⁠ - Seed Type. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
METHOD	enum of ⁠("(0) band width smoothing", "(1) band width search")⁠ - Method. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
BAND_WIDTH	number - Bandwidth (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.
NORMALIZE	boolean - Normalize Features. 1 for true/yes. 0 for false/no. 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

• SEED_GRID - outputRaster - Seeds Grid

• SEED_POINTS - outputVector - Seed Points

• VARIANCE - outputRaster - Variance

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