QGIS API Documentation 3.29.0-Master (006c3c0232)
qgsrasternuller.h
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1/***************************************************************************
2 qgsrasternuller.h
3 -------------------
4 begin : August 2012
5 copyright : (C) 2012 by Radim Blazek
6 email : radim dot blazek at gmail dot com
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef QGSRASTERNULLER_H
19#define QGSRASTERNULLER_H
20
21#include "qgis_core.h"
22#include "qgis_sip.h"
23#include "qgsrasterrange.h"
24#include "qgsrasterinterface.h"
25
26#include <QList>
27
32class CORE_EXPORT QgsRasterNuller : public QgsRasterInterface
33{
34 public:
35 QgsRasterNuller( QgsRasterInterface *input = nullptr );
36
37 struct NoData
38 {
39 double min;
40 double max;
41 };
42
43 QgsRasterNuller *clone() const override SIP_FACTORY;
44
45 int bandCount() const override;
46
47 Qgis::DataType dataType( int bandNo ) const override;
48
49 QgsRasterBlock *block( int bandNo, const QgsRectangle &extent, int width, int height, QgsRasterBlockFeedback *feedback = nullptr ) override SIP_FACTORY;
50
51 void setNoData( int bandNo, const QgsRasterRangeList &noData );
52
53 QgsRasterRangeList noData( int bandNo ) const { return mNoData.value( bandNo - 1 ); }
54
56 void setOutputNoDataValue( int bandNo, double noData );
57
58 private:
59 // no data indexed from 0
60 QVector< QgsRasterRangeList > mNoData;
61 // no data to be set in output, indexed from 0
62 QVector<double> mOutputNoData;
63 QVector<bool> mHasOutputNoData;
64};
65
66#endif // QGSRASTERNULLER_H
The Qgis class provides global constants for use throughout the application.
Definition: qgis.h:72
Feedback object tailored for raster block reading.
Raster data container.
Base class for processing filters like renderers, reprojector, resampler etc.
virtual QgsRasterInterface * clone() const =0
Clone itself, create deep copy.
Raster pipe that deals with null values.
A rectangle specified with double values.
Definition: qgsrectangle.h:42
#define SIP_FACTORY
Definition: qgis_sip.h:76
QList< QgsRasterRange > QgsRasterRangeList