QGIS Algorithm provided by QGIS (native c++) Zonal histogram (native:zonalhistogram). Appends fields representing counts of each unique value from a raster layer contained within zones defined as polygons. This algorithm appends fields representing counts of each unique value from a raster layer contained within zones defined as polygons.
qgis_zonalhistogram(
INPUT_RASTER = qgisprocess:::qgis_default_value(),
RASTER_BAND = qgisprocess:::qgis_default_value(),
INPUT_VECTOR = qgisprocess:::qgis_default_value(),
COLUMN_PREFIX = qgisprocess:::qgis_default_value(),
OUTPUT = qgisprocess:::qgis_default_value(),
...,
.complete_output = .complete_output_option(),
.quiet = .quiet_option(),
.messages = .message_option()
)raster - Raster layer. Path to a raster layer.
band - Band number. Integer value representing an existing raster band number.
source - Vector layer containing zones. Path to a vector layer.
string - Output column prefix. String 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.
sink - Output zones. Path for new vector layer.
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.