R/sagang_seededregiongrowing.R
sagang_seededregiongrowing.Rd
QGIS Algorithm provided by SAGA Next Gen Seeded region growing (sagang:seededregiongrowing). —————- Arguments —————- SEEDS: Seeds Argument type: raster Acceptable values: - Path to a raster layer FEATURES: Features Argument type: multilayer SEGMENTS: Segments Argument type: rasterDestination Acceptable values: - Path for new raster layer SIMILARITY: Similarity Argument type: rasterDestination Acceptable values: - Path for new raster layer TABLE: Seeds Argument type: vectorDestination Acceptable values: - Path for new vector layer 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 NEIGHBOUR: Neighbourhood Default value: 0 Argument type: enum Available values: - 0: (0) 4 (von Neumann) - 1: (1) 8 (Moore) 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) feature space and position - 1: (1) feature space Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' SIG_1: Variance in Feature Space 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 SIG_2: Variance in Position Space 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 THRESHOLD: Similarity Threshold 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 REFRESH: Refresh 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 LEAFSIZE: Leaf Size (for Speed Optimisation) Default value: 256 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_seededregiongrowing(
SEEDS = qgisprocess:::qgis_default_value(),
FEATURES = qgisprocess:::qgis_default_value(),
SEGMENTS = qgisprocess:::qgis_default_value(),
SIMILARITY = qgisprocess:::qgis_default_value(),
TABLE = qgisprocess:::qgis_default_value(),
NORMALIZE = qgisprocess:::qgis_default_value(),
NEIGHBOUR = qgisprocess:::qgis_default_value(),
METHOD = qgisprocess:::qgis_default_value(),
SIG_1 = qgisprocess:::qgis_default_value(),
SIG_2 = qgisprocess:::qgis_default_value(),
THRESHOLD = qgisprocess:::qgis_default_value(),
REFRESH = qgisprocess:::qgis_default_value(),
LEAFSIZE = qgisprocess:::qgis_default_value(),
...,
.complete_output = .complete_output_option(),
.quiet = .quiet_option(),
.messages = .message_option()
)
raster
- Seeds. Path to a raster layer.
multilayer
- Features. .
rasterDestination
- Segments. Path for new raster layer.
rasterDestination
- Similarity. Path for new raster layer.
vectorDestination
- Seeds. Path for new vector layer.
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.
enum
of ("(0) 4 (von Neumann)", "(1) 8 (Moore)")
- Neighbourhood. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
enum
of ("(0) feature space and position", "(1) feature space")
- Method. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
number
- Variance in Feature Space. 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.
number
- Variance in Position Space. 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.
number
- Similarity Threshold. 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.
boolean
- Refresh. 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.
number
- Leaf Size (for Speed Optimisation). 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()
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
.
logical specifying if parameter .quiet
for qgisprocess::qgis_run_algorithm()
Default value is TRUE
.
logical specifying if messages from qgisprocess::qgis_run_algorithm()
should be printed (TRUE
) or not (FALSE
). Default value is FALSE
.