View source: R/gdal_dissolve.R
gdal_dissolve | R Documentation |
QGIS Algorithm provided by GDAL Dissolve (gdal:dissolve). —————- Arguments —————- INPUT: Input layer Argument type: source Acceptable values: - Path to a vector layer FIELD: Dissolve field (optional) Argument type: field Acceptable values: - The name of an existing field - ; delimited list of existing field names GEOMETRY: Geometry column name Default value: geometry Argument type: string Acceptable values: - 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 EXPLODE_COLLECTIONS: Produce one feature for each geometry in any kind of geometry collection in the source file 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 KEEP_ATTRIBUTES: Keep input attributes 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 COUNT_FEATURES: Count dissolved 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 COMPUTE_AREA: Compute area and perimeter of dissolved 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 COMPUTE_STATISTICS: Compute min/max/sum/mean for attribute 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 STATISTICS_ATTRIBUTE: Numeric attribute to calculate statistics on (optional) Argument type: field Acceptable values: - The name of an existing field - ; delimited list of existing field names OPTIONS: Additional creation options (optional) Default value: Argument type: string Acceptable values: - 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 OUTPUT: Dissolved Argument type: vectorDestination Acceptable values: - Path for new vector layer
gdal_dissolve(
INPUT = qgisprocess:::qgis_default_value(),
FIELD = qgisprocess:::qgis_default_value(),
GEOMETRY = qgisprocess:::qgis_default_value(),
EXPLODE_COLLECTIONS = qgisprocess:::qgis_default_value(),
KEEP_ATTRIBUTES = qgisprocess:::qgis_default_value(),
COUNT_FEATURES = qgisprocess:::qgis_default_value(),
COMPUTE_AREA = qgisprocess:::qgis_default_value(),
COMPUTE_STATISTICS = qgisprocess:::qgis_default_value(),
STATISTICS_ATTRIBUTE = qgisprocess:::qgis_default_value(),
OPTIONS = qgisprocess:::qgis_default_value(),
OUTPUT = qgisprocess:::qgis_default_value(),
...,
.complete_output = .complete_output_option(),
.quiet = .quiet_option(),
.messages = .message_option()
)
INPUT |
|
FIELD |
|
GEOMETRY |
|
EXPLODE_COLLECTIONS |
|
KEEP_ATTRIBUTES |
|
COUNT_FEATURES |
|
COMPUTE_AREA |
|
COMPUTE_STATISTICS |
|
STATISTICS_ATTRIBUTE |
|
OPTIONS |
|
OUTPUT |
|
... |
further parameters passed to |
.complete_output |
logical specifying if complete out of |
.quiet |
logical specifying if parameter |
.messages |
logical specifying if messages from |
OUTPUT - outputVector - Dissolved
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