QGIS Algorithm provided by SAGA Next Gen Diversity of categories (sagang:diversityofcategories). ---------------- Arguments ---------------- CATEGORIES: Categories Argument type: raster Acceptable values: - Path to a raster layer COUNT: Number of Categories Argument type: rasterDestination Acceptable values: - Path for new raster layer DIVERSITY: Diversity Argument type: rasterDestination Acceptable values: - Path for new raster layer CONNECTIVITY: Connectivity Argument type: rasterDestination Acceptable values: - Path for new raster layer CONNECTEDAVG: Averaged Connectivity Argument type: rasterDestination Acceptable values: - Path for new raster layer NB_CASE: Connectivity Neighbourhood Default value: 1 Argument type: enum Available values: - 0: (0) Rook's case - 1: (1) Queen's case Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' NORMALIZE: Normalize Default value: 0 Argument type: enum Available values: - 0: (0) no - 1: (1) by number of cells - 2: (2) by area size Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' KERNEL_TYPE: Kernel Type Default value: 1 Argument type: enum Available values: - 0: (0) Square - 1: (1) Circle Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' KERNEL_RADIUS: Radius 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_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: 0.7 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_diversityofcategories(
  CATEGORIES = qgisprocess:::qgis_default_value(),
  COUNT = qgisprocess:::qgis_default_value(),
  DIVERSITY = qgisprocess:::qgis_default_value(),
  CONNECTIVITY = qgisprocess:::qgis_default_value(),
  CONNECTEDAVG = qgisprocess:::qgis_default_value(),
  NB_CASE = qgisprocess:::qgis_default_value(),
  NORMALIZE = qgisprocess:::qgis_default_value(),
  KERNEL_TYPE = qgisprocess:::qgis_default_value(),
  KERNEL_RADIUS = 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

CATEGORIES

raster - Categories. Path to a raster layer.

COUNT

rasterDestination - Number of Categories. Path for new raster layer.

DIVERSITY

rasterDestination - Diversity. Path for new raster layer.

CONNECTIVITY

rasterDestination - Connectivity. Path for new raster layer.

CONNECTEDAVG

rasterDestination - Averaged Connectivity. Path for new raster layer.

NB_CASE

enum of ("(0) Rook's case", "(1) Queen's case") - Connectivity Neighbourhood. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

NORMALIZE

enum of ("(0) no", "(1) by number of cells", "(2) by area size") - Normalize. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

KERNEL_TYPE

enum of ("(0) Square", "(1) Circle") - Kernel Type. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

KERNEL_RADIUS

number - Radius. 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

  • CONNECTEDAVG - outputRaster - Averaged Connectivity

  • CONNECTIVITY - outputRaster - Connectivity

  • COUNT - outputRaster - Number of Categories

  • DIVERSITY - outputRaster - Diversity