QGIS Algorithm provided by QGIS (native c++) Delete small angles (native:fixgeometryangle). Deletes vertices detected with the "Small angles" algorithm from the "Check geometry" section. This algorithm deletes vertices based on an error layer from the "Small angles" algorithm in the "Check geometry" section. When deletion of a vertex results in a duplicate vertex (when a spike vertex is deleted), the duplicate vertex is deleted to keep a single vertex and preserve topology.

qgis_fixgeometryangle(
  INPUT = qgisprocess:::qgis_default_value(),
  ERRORS = qgisprocess:::qgis_default_value(),
  UNIQUE_ID = qgisprocess:::qgis_default_value(),
  PART_IDX = qgisprocess:::qgis_default_value(),
  RING_IDX = qgisprocess:::qgis_default_value(),
  VERTEX_IDX = qgisprocess:::qgis_default_value(),
  OUTPUT = qgisprocess:::qgis_default_value(),
  REPORT = qgisprocess:::qgis_default_value(),
  TOLERANCE = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

INPUT

source - Input layer. Path to a vector layer.

ERRORS

source - Error layer. Path to a vector layer.

UNIQUE_ID

field - Field of original feature unique identifier. The name of an existing field. ; delimited list of existing field names.

PART_IDX

field - Field of part index. The name of an existing field. ; delimited list of existing field names.

RING_IDX

field - Field of ring index. The name of an existing field. ; delimited list of existing field names.

VERTEX_IDX

field - Field of vertex index. The name of an existing field. ; delimited list of existing field names.

OUTPUT

sink - Small angle fixed layer. Path for new vector layer.

REPORT

sink - Report layer from fixing small angles. Path for new vector layer.

TOLERANCE

number - Tolerance. 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

  • OUTPUT - outputVector - Small angle fixed layer

  • REPORT - outputVector - Report layer from fixing small angles