QGIS algorithm - Universal image quality index

Source: R/sagang_universalimagequalityindex.R

QGIS Algorithm provided by SAGA Next Gen Universal image quality index (sagang:universalimagequalityindex). —————- Arguments —————- GRID_A: First Grid Argument type: raster Acceptable values: - Path to a raster layer GRID_B: Second Grid Argument type: raster Acceptable values: - Path to a raster layer QUALITY: Universal Image Quality Index Argument type: rasterDestination Acceptable values: - Path for new raster layer CORRELATION: Correlation Argument type: rasterDestination Acceptable values: - Path for new raster layer LUMINANCE: Luminance Argument type: rasterDestination Acceptable values: - Path for new raster layer CONTRAST: Contrast Argument type: rasterDestination Acceptable values: - Path for new raster layer K1: k1 Default value: 0.01 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 K2: k2 Default value: 0.03 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 L: L Default value: 255 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 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

sagang_universalimagequalityindex(
  GRID_A = qgisprocess:::qgis_default_value(),
  GRID_B = qgisprocess:::qgis_default_value(),
  QUALITY = qgisprocess:::qgis_default_value(),
  CORRELATION = qgisprocess:::qgis_default_value(),
  LUMINANCE = qgisprocess:::qgis_default_value(),
  CONTRAST = qgisprocess:::qgis_default_value(),
  K1 = qgisprocess:::qgis_default_value(),
  K2 = qgisprocess:::qgis_default_value(),
  L = qgisprocess:::qgis_default_value(),
  KERNEL_TYPE = qgisprocess:::qgis_default_value(),
  KERNEL_RADIUS = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

GRID_A

raster - First Grid. Path to a raster layer.

GRID_B

raster - Second Grid. Path to a raster layer.

QUALITY

rasterDestination - Universal Image Quality Index. Path for new raster layer.

CORRELATION

rasterDestination - Correlation. Path for new raster layer.

LUMINANCE

rasterDestination - Luminance. Path for new raster layer.

CONTRAST

rasterDestination - Contrast. Path for new raster layer.

K1

number - k1. 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.

K2

number - k2. 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.

L

number - L. 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.

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.

...

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

  • CONTRAST - outputRaster - Contrast

  • CORRELATION - outputRaster - Correlation

  • LUMINANCE - outputRaster - Luminance

  • QUALITY - outputRaster - Universal Image Quality Index