Subgroup: other

Class: QgsBrightnessContrastFilter

class qgis.core.QgsBrightnessContrastFilter

Bases: qgis._core.QgsRasterInterface

Brightness/contrast filter pipe for rasters.

Methods

bandCount
bandStatistics	Get band statistics.
block
brightness
capabilities	Returns a bitmask containing the supported capabilities
capabilitiesString	Returns the above in friendly format.
clone
contrast
cumulativeCut	Find values for cumulative pixel count cut.
dataType
dataTypeSize
extent	Get the extent of the interface.
generateBandName	helper function to create zero padded band names
hasHistogram	Returns true if histogram is available (cached, already calculated)
hasStatistics	Returns true if histogram is available (cached, already calculated).
histogram	Get histogram.
initHistogram
initStatistics
input	Current input
on	Is on/off
readXml	Sets base class members from xml.
setBrightness
setContrast
setInput
setOn	Set on/off
sourceDataType	Returns source data type for the band specified by number,
sourceInput	Get source / raw input, the first in pipe, usually provider.
writeXml
xBlockSize	Get block size
xSize	Get raster size
yBlockSize
ySize

Attributes

BuildPyramids
Create
Identify
IdentifyFeature
IdentifyHtml
IdentifyText
IdentifyValue
NoCapabilities
Remove
Size

bandCount(self) → int

block(self, bandNo: int, extent: QgsRectangle, width: int, height: int, feedback: QgsRasterBlockFeedback = None) → QgsRasterBlock

brightness(self) → int

clone(self) → QgsBrightnessContrastFilter

contrast(self) → int

dataType(self, bandNo: int) → Qgis.DataType

initHistogram()

initStatistics()

readXml(self, filterElem: QDomElement)

Sets base class members from xml. Usually called from create() methods of subclasses

setBrightness(self, brightness: int)

setContrast(self, contrast: int)

setInput(self, input: QgsRasterInterface) → bool

writeXml(self, doc: QDomDocument, parentElem: QDomElement)