QGIS algorithm - Inverse distance weighted interpolation

Source: R/sagang_inversedistanceweightedinterpolation.R

QGIS Algorithm provided by SAGA Next Gen Inverse distance weighted interpolation (sagang:inversedistanceweightedinterpolation). —————- Arguments —————- POINTS: Points Argument type: source Acceptable values: - Path to a vector layer FIELD: Attribute Argument type: field Acceptable values: - The name of an existing field - ; delimited list of existing field names CV_METHOD: Cross Validation Default value: 0 Argument type: enum Available values: - 0: (0) none - 1: (1) leave one out - 2: (2) 2-fold - 3: (3) k-fold Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' CV_SUMMARY: Cross Validation Summary Argument type: vectorDestination Acceptable values: - Path for new vector layer CV_RESIDUALS: Cross Validation Residuals Argument type: vectorDestination Acceptable values: - Path for new vector layer CV_SAMPLES: Cross Validation Subsamples 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 TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX: Output extent (optional) Argument type: extent Acceptable values: - A comma delimited string of x min, x max, y min, y max. E.g. '4,10,101,105' - Path to a layer. The extent of the layer is used. TARGET_USER_SIZE: Cellsize 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 TARGET_OUT_GRID: Target Grid Argument type: rasterDestination Acceptable values: - Path for new raster layer SEARCH_RANGE: Search Range Default value: 1 Argument type: enum Available values: - 0: (0) local - 1: (1) global Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' SEARCH_RADIUS: Maximum Search Distance Default value: 1000 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 SEARCH_POINTS_ALL: Number of Points Default value: 1 Argument type: enum Available values: - 0: (0) maximum number of nearest points - 1: (1) all points within search distance Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' SEARCH_POINTS_MIN: Minimum Default value: 1 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 SEARCH_POINTS_MAX: Maximum Default value: 20 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: 1 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: 1 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_inversedistanceweightedinterpolation(
  POINTS = qgisprocess:::qgis_default_value(),
  FIELD = qgisprocess:::qgis_default_value(),
  CV_METHOD = qgisprocess:::qgis_default_value(),
  CV_SUMMARY = qgisprocess:::qgis_default_value(),
  CV_RESIDUALS = qgisprocess:::qgis_default_value(),
  CV_SAMPLES = qgisprocess:::qgis_default_value(),
  TARGET_USER_XMIN_TARGET_USER_XMAX_TARGET_USER_YMIN_TARGET_USER_YMAX =
    qgisprocess:::qgis_default_value(),
  TARGET_USER_SIZE = qgisprocess:::qgis_default_value(),
  TARGET_OUT_GRID = qgisprocess:::qgis_default_value(),
  SEARCH_RANGE = qgisprocess:::qgis_default_value(),
  SEARCH_RADIUS = qgisprocess:::qgis_default_value(),
  SEARCH_POINTS_ALL = qgisprocess:::qgis_default_value(),
  SEARCH_POINTS_MIN = qgisprocess:::qgis_default_value(),
  SEARCH_POINTS_MAX = 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

POINTS

source - Points. Path to a vector layer.

FIELD

field - Attribute. The name of an existing field. ; delimited list of existing field names.

CV_METHOD

enum of ("(0) none", "(1) leave one out", "(2) 2-fold", "(3) k-fold") - Cross Validation. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

CV_SUMMARY

vectorDestination - Cross Validation Summary. Path for new vector layer.

CV_RESIDUALS

vectorDestination - Cross Validation Residuals. Path for new vector layer.

CV_SAMPLES

number - Cross Validation Subsamples. 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.

TARGET_USER_XMIN_TARGET_USER_XMAX_TARGET_USER_YMIN_TARGET_USER_YMAX

extent - Output extent. A comma delimited string of x min, x max, y min, y max. E.g. '4,10,101,105'. Path to a layer. The extent of the layer is used.. Original algorithm parameter name: TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX.

TARGET_USER_SIZE

number - Cellsize. 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.

TARGET_OUT_GRID

rasterDestination - Target Grid. Path for new raster layer.

SEARCH_RANGE

enum of ("(0) local", "(1) global") - Search Range. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

SEARCH_RADIUS

number - Maximum Search Distance. 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.

SEARCH_POINTS_ALL

enum of ("(0) maximum number of nearest points", "(1) all points within search distance") - Number of Points. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

SEARCH_POINTS_MIN

number - Minimum. 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.

SEARCH_POINTS_MAX

number - Maximum. 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

  • CV_RESIDUALS - outputVector - Cross Validation Residuals

  • CV_SUMMARY - outputVector - Cross Validation Summary

  • TARGET_OUT_GRID - outputRaster - Target Grid