/************************************************************************ * This file has been generated automatically from * * * * src/core/raster/qgsrasterinterface.h * * * * Do not edit manually ! Edit header and run scripts/sipify.pl again * ************************************************************************/ class QgsRasterBlockFeedback : QgsFeedback { %Docstring Feedback object tailored for raster block reading. .. versionadded:: 3.0 %End %TypeHeaderCode #include "qgsrasterinterface.h" %End public: QgsRasterBlockFeedback( QObject *parent = 0 ); %Docstring Construct a new raster block feedback object %End virtual void onNewData(); %Docstring May be emitted by raster data provider to indicate that some partial data are available and a new preview image may be produced %End bool isPreviewOnly() const; %Docstring Whether the raster provider should return only data that are already available without waiting for full result. By default this flag is not enabled. .. seealso:: :py:func:`setPreviewOnly` %End void setPreviewOnly( bool preview ); %Docstring set flag whether the block request is for preview purposes only .. seealso:: :py:func:`isPreviewOnly` %End bool renderPartialOutput() const; %Docstring Whether our painter is drawing to a temporary image used just by this layer .. seealso:: :py:func:`setRenderPartialOutput` %End void setRenderPartialOutput( bool enable ); %Docstring Set whether our painter is drawing to a temporary image used just by this layer .. seealso:: :py:func:`renderPartialOutput` %End }; class QgsRasterInterface { %Docstring Base class for processing filters like renderers, reprojector, resampler etc. %End %TypeHeaderCode #include "qgsrasterinterface.h" // QgsRasterInterface subclasses #include #include #include #include #include #include #include // QgsRasterRenderer subclasses #include #include #include #include #include #include %End %ConvertToSubClassCode if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsBrightnessContrastFilter; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsHueSaturationFilter; else if ( dynamic_cast( sipCpp ) ) { sipType = sipType_QgsRasterDataProvider; // use static cast because QgsRasterDataProvider has multiple inheritance // and we would end up with bad pointer otherwise! *sipCppRet = static_cast( sipCpp ); } else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsRasterNuller; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsRasterProjector; else if ( dynamic_cast( sipCpp ) ) { if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsHillshadeRenderer; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsMultiBandColorRenderer; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsPalettedRasterRenderer; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsSingleBandColorDataRenderer; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsSingleBandGrayRenderer; else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsSingleBandPseudoColorRenderer; else sipType = sipType_QgsRasterRenderer; } else if ( dynamic_cast( sipCpp ) ) sipType = sipType_QgsRasterResampleFilter; else sipType = 0; %End public: enum Capability { NoCapabilities, Size, Create, Remove, BuildPyramids, Identify, IdentifyValue, IdentifyText, IdentifyHtml, IdentifyFeature, }; QgsRasterInterface( QgsRasterInterface *input = 0 ); virtual ~QgsRasterInterface(); virtual QgsRasterInterface *clone() const = 0 /Factory/; %Docstring Clone itself, create deep copy %End virtual int capabilities() const; %Docstring Returns a bitmask containing the supported capabilities %End QString capabilitiesString() const; %Docstring Returns the above in friendly format. %End virtual Qgis::DataType dataType( int bandNo ) const = 0; %Docstring Returns data type for the band specified by number %End virtual Qgis::DataType sourceDataType( int bandNo ) const; %Docstring Returns source data type for the band specified by number, source data type may be shorter than dataType * %End virtual QgsRectangle extent() const; %Docstring Gets the extent of the interface. :return: QgsRectangle containing the extent of the layer %End int dataTypeSize( int bandNo ); virtual int bandCount() const = 0; %Docstring Gets number of bands %End virtual int xBlockSize() const; %Docstring Gets block size %End virtual int yBlockSize() const; virtual int xSize() const; %Docstring Gets raster size %End virtual int ySize() const; virtual QString generateBandName( int bandNumber ) const; %Docstring helper function to create zero padded band names %End virtual QgsRasterBlock *block( int bandNo, const QgsRectangle &extent, int width, int height, QgsRasterBlockFeedback *feedback = 0 ) = 0 /Factory/; %Docstring Read block of data using given extent and size. Returns pointer to data. Caller is responsible to free the memory returned. :param bandNo: band number :param extent: extent of block :param width: pixel width of block :param height: pixel height of block :param feedback: optional raster feedback object for cancelation/preview. Added in QGIS 3.0. %End virtual bool setInput( QgsRasterInterface *input ); %Docstring Set input. Returns true if set correctly, false if cannot use that input * %End virtual QgsRasterInterface *input() const; %Docstring Current input %End virtual bool on() const; %Docstring Returns whether the interface is on or off %End virtual void setOn( bool on ); %Docstring Sets whether the interface is on or off %End virtual QgsRasterInterface *sourceInput(); %Docstring Gets source / raw input, the first in pipe, usually provider. It may be used to get info about original data, e.g. resolution to decide resampling etc. %End virtual QgsRasterBandStats bandStatistics( int bandNo, int stats = QgsRasterBandStats::All, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0, QgsRasterBlockFeedback *feedback = 0 ); %Docstring Returns the band statistics. :param bandNo: The band (number). :param stats: Requested statistics :param extent: Extent used to calc statistics, if empty, whole raster extent is used. :param sampleSize: Approximate number of cells in sample. If 0, all cells (whole raster will be used). If raster does not have exact size (WCS without exact size for example), provider decides size of sample. :param feedback: optional feedback object %End virtual bool hasStatistics( int bandNo, int stats = QgsRasterBandStats::All, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0 ); %Docstring Returns true if histogram is available (cached, already calculated). * The parameters are the same as in bandStatistics() :return: true if statistics are available (ready to use) %End virtual QgsRasterHistogram histogram( int bandNo, int binCount = 0, SIP_PYOBJECT minimum = Py_None, SIP_PYOBJECT maximum = Py_None, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0, bool includeOutOfRange = false, QgsRasterBlockFeedback *feedback = 0 ) [QgsRasterHistogram( int bandNo, int binCount = 0, double minimum = 0.0, double maximum = 0.0, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0, bool includeOutOfRange = false, QgsRasterBlockFeedback *feedback = nullptr )]; %Docstring Returns a band histogram. Histograms are cached in providers. :param bandNo: The band (number). :param binCount: Number of bins (intervals,buckets). If 0, the number of bins is decided automatically according to data type, raster size etc. :param minimum: Minimum value, if NaN (None for Python), raster minimum value will be used. :param maximum: Maximum value, if NaN (None for Python), raster maximum value will be used. :param extent: Extent used to calc histogram, if empty, whole raster extent is used. :param sampleSize: Approximate number of cells in sample. If 0, all cells (whole raster will be used). If raster does not have exact size (WCS without exact size for example), provider decides size of sample. :param includeOutOfRange: include out of range values :param feedback: optional feedback object :return: Vector of non NULL cell counts for each bin. .. note:: binCount, minimum and maximum not optional in Python bindings %End %MethodCode double minimum; double maximum; if ( a2 == Py_None ) { minimum = std::numeric_limits::quiet_NaN(); } else { minimum = PyFloat_AsDouble( a2 ); } if ( a3 == Py_None ) { maximum = std::numeric_limits::quiet_NaN(); } else { maximum = PyFloat_AsDouble( a3 ); } QgsRasterHistogram h = sipCpp->histogram( a0, a1, minimum, maximum, *a4, a5, a6, a7 ); sipRes = &h; %End virtual bool hasHistogram( int bandNo, int binCount, SIP_PYOBJECT minimum = Py_None, SIP_PYOBJECT maximum = Py_None, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0, bool includeOutOfRange = false ) [bool( int bandNo, int binCount, double minimum = 0.0, double maximum = 0.0, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0, bool includeOutOfRange = false )]; %Docstring Returns true if histogram is available (cached, already calculated) .. note:: the parameters are the same as in :py:func:`histogram` %End %MethodCode double minimum; double maximum; if ( a2 == Py_None ) { minimum = std::numeric_limits::quiet_NaN(); } else { minimum = PyFloat_AsDouble( a2 ); } if ( a3 == Py_None ) { maximum = std::numeric_limits::quiet_NaN(); } else { maximum = PyFloat_AsDouble( a3 ); } sipRes = sipCpp->hasHistogram( a0, a1, minimum, maximum, *a4, a5, a6 ); %End virtual void cumulativeCut( int bandNo, double lowerCount, double upperCount, double &lowerValue, double &upperValue, const QgsRectangle &extent = QgsRectangle(), int sampleSize = 0 ); %Docstring Find values for cumulative pixel count cut. :param bandNo: The band (number). :param lowerCount: The lower count as fraction of 1, e.g. 0.02 = 2% :param upperCount: The upper count as fraction of 1, e.g. 0.98 = 98% :param lowerValue: Location into which the lower value will be set. :param upperValue: Location into which the upper value will be set. :param extent: Extent used to calc histogram, if empty, whole raster extent is used. :param sampleSize: Approximate number of cells in sample. If 0, all cells (whole raster will be used). If raster does not have exact size (WCS without exact size for example), provider decides size of sample. %End virtual void writeXml( QDomDocument &doc, QDomElement &parentElem ) const; %Docstring Write base class members to xml. %End virtual void readXml( const QDomElement &filterElem ); %Docstring Sets base class members from xml. Usually called from create() methods of subclasses %End protected: void initHistogram( QgsRasterHistogram &histogram, int bandNo, int binCount, SIP_PYOBJECT minimum = Py_None, SIP_PYOBJECT maximum = Py_None, const QgsRectangle &boundingBox = QgsRectangle(), int sampleSize = 0, bool includeOutOfRange = false ) [void ( QgsRasterHistogram & histogram, int bandNo, int binCount, double minimum = 0.0, double maximum = 0.0, const QgsRectangle &boundingBox = QgsRectangle(), int sampleSize = 0, bool includeOutOfRange = false )]; %Docstring Fill in histogram defaults if not specified .. note:: the parameters are the same as in :py:func:`histogram` %End %MethodCode double minimum; double maximum; if ( a3 == Py_None ) { minimum = std::numeric_limits::quiet_NaN(); } else { minimum = PyFloat_AsDouble( a3 ); } if ( a4 == Py_None ) { maximum = std::numeric_limits::quiet_NaN(); } else { maximum = PyFloat_AsDouble( a4 ); } #if defined(SIP_PROTECTED_IS_PUBLIC) sipCpp->initHistogram( *a0, a1, a2, minimum, maximum, *a5, a6, a7 ); #else sipCpp->sipProtect_initHistogram( *a0, a1, a2, minimum, maximum, *a5, a6, a7 ); #endif %End void initStatistics( QgsRasterBandStats &statistics, int bandNo, int stats = QgsRasterBandStats::All, const QgsRectangle &boundingBox = QgsRectangle(), int binCount = 0 ); %Docstring Fill in statistics defaults if not specified %End private: QgsRasterInterface( const QgsRasterInterface & ); QgsRasterInterface &operator=( const QgsRasterInterface & ); }; /************************************************************************ * This file has been generated automatically from * * * * src/core/raster/qgsrasterinterface.h * * * * Do not edit manually ! Edit header and run scripts/sipify.pl again * ************************************************************************/