QGIS API Documentation 3.41.0-Master (cea29feecf2)
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qgsalgorithmzonalminmaxpoint.h
Go to the documentation of this file.
1/***************************************************************************
2 qgsalgorithmzonalminmaxpoint.h
3 ------------------------------
4 begin : November 2024
5 copyright : (C) 2024 Nyall Dawson
6 email : nyall dot dawson 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 QGSALGORITHMZONALMINMAXPOINT_H
19#define QGSALGORITHMZONALMINMAXPOINT_H
20
21#define SIP_NO_FILE
22
23#include "qgis_sip.h"
25
27
31class QgsZonalMinimumMaximumPointAlgorithm : public QgsProcessingFeatureBasedAlgorithm
32{
33 public:
34 QgsZonalMinimumMaximumPointAlgorithm() = default;
35 QString name() const override;
36 QString displayName() const override;
37 QStringList tags() const override;
38 QString group() const override;
39 QString groupId() const override;
40 QString shortDescription() const override;
41 QString shortHelpString() const override;
42 QList<int> inputLayerTypes() const override;
43 bool supportInPlaceEdit( const QgsMapLayer *layer ) const override;
44 QgsZonalMinimumMaximumPointAlgorithm *createInstance() const override SIP_FACTORY;
45
46 protected:
47 void initParameters( const QVariantMap &configuration = QVariantMap() ) override;
48 QString outputName() const override;
49 QgsFields outputFields( const QgsFields &inputFields ) const override;
50 Qgis::ProcessingSourceType outputLayerType() const override;
51 Qgis::WkbType outputWkbType( Qgis::WkbType inputWkbType ) const override;
52 QgsFeatureSink::SinkFlags sinkFlags() const override;
53 Qgis::ProcessingAlgorithmDocumentationFlags documentationFlags() const override;
55
56 bool prepareAlgorithm( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
57 QgsFeatureList processFeature( const QgsFeature &feature, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
58
59 private:
60 std::unique_ptr<QgsRasterInterface> mRaster;
61 int mBand = 1;
63 bool mCreatedTransform = false;
64 QgsCoordinateTransform mFeatureToRasterTransform;
65 double mPixelSizeX = 0;
66 double mPixelSizeY = 0;
67 QgsFields mOutputFields;
68};
69
71
72#endif // QGSALGORITHMZONALMINMAXPOINT_H
ProcessingSourceType
Processing data source types.
Definition qgis.h:3315
QFlags< ProcessingAlgorithmDocumentationFlag > ProcessingAlgorithmDocumentationFlags
Flags describing algorithm behavior for documentation purposes.
Definition qgis.h:3412
WkbType
The WKB type describes the number of dimensions a geometry has.
Definition qgis.h:256
This class represents a coordinate reference system (CRS).
Class for doing transforms between two map coordinate systems.
QFlags< SinkFlag > SinkFlags
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition qgsfeature.h:58
Container of fields for a vector layer.
Definition qgsfields.h:46
Base class for all map layer types.
Definition qgsmaplayer.h:76
virtual QgsProcessingAlgorithm * createInstance() const =0
Creates a new instance of the algorithm class.
virtual QString group() const
Returns the name of the group this algorithm belongs to.
virtual QString groupId() const
Returns the unique ID of the group this algorithm belongs to.
virtual QString shortHelpString() const
Returns a localised short helper string for the algorithm.
virtual QString shortDescription() const
Returns an optional translated short description of the algorithm.
virtual QString displayName() const =0
Returns the translated algorithm name, which should be used for any user-visible display of the algor...
virtual QStringList tags() const
Returns a list of tags which relate to the algorithm, and are used to assist users in searching for s...
virtual QString name() const =0
Returns the algorithm name, used for identifying the algorithm.
Contains information about the context in which a processing algorithm is executed.
An abstract QgsProcessingAlgorithm base class for processing algorithms which operate "feature-by-fea...
bool supportInPlaceEdit(const QgsMapLayer *layer) const override
Checks whether this algorithm supports in-place editing on the given layer Default implementation for...
virtual QList< int > inputLayerTypes() const
Returns the valid input layer types for the source layer for this algorithm.
Base class for providing feedback from a processing algorithm.
#define SIP_FACTORY
Definition qgis_sip.h:76
QList< QgsFeature > QgsFeatureList
const QgsCoordinateReferenceSystem & outputCrs