QGIS API Documentation 3.30.0-'s-Hertogenbosch (f186b8efe0)
qgsalgorithmfuzzifyraster.h
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1/***************************************************************************
2 qgsalgorithmrasterlayeruniquevalues.h
3 ---------------------
4 begin : October 2019
5 copyright : (C) 2019 by Clemens Raffler
6 email : clemens dot raffler 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 QGSFUZZIFYRASTERALGORITHM_H
19#define QGSFUZZIFYRASTERALGORITHM_H
20
21#define SIP_NO_FILE
22
23#include "qgis_sip.h"
24#include "qgsprocessingalgorithm.h"
25#include "qgsapplication.h"
26
28
32class QgsFuzzifyRasterAlgorithmBase : public QgsProcessingAlgorithm
33{
34 public:
35 QString group() const final;
36 QString groupId() const final;
37 void initAlgorithm( const QVariantMap &configuration = QVariantMap() ) final;
38
39 protected:
40
45 virtual void addAlgorithmParams() = 0;
46
47 bool prepareAlgorithm( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) final;
48
52 virtual bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) = 0;
53
57 QVariantMap processAlgorithm( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) final;
58
62 virtual void fuzzify( QgsProcessingFeedback *feedback ) = 0;
63
64 QgsRasterLayer *mInputRaster;
65 int mBand;
66 std::unique_ptr< QgsRasterInterface > mInterface;
67 QgsRectangle mExtent;
68 QgsCoordinateReferenceSystem mCrs;
69 int mLayerWidth;
70 int mLayerHeight;
71 int mNbCellsXProvider = 0;
72 int mNbCellsYProvider = 0;
73
74 Qgis::DataType mDataType = Qgis::DataType::Float32;
75 const double mNoDataValue = -9999;
76 QgsRasterDataProvider *mDestinationRasterProvider;
77};
78
79
80
81
82class QgsFuzzifyRasterLinearMembershipAlgorithm : public QgsFuzzifyRasterAlgorithmBase
83{
84
85 public:
86 QgsFuzzifyRasterLinearMembershipAlgorithm() = default;
87 QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmFuzzifyLinear.svg" ) ); }
88 QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmFuzzifyLinear.svg" ) ); }
89 QString name() const override;
90 QString displayName() const override;
91 QStringList tags() const override;
92 QString shortHelpString() const override;
93 QgsFuzzifyRasterLinearMembershipAlgorithm *createInstance() const override SIP_FACTORY;
94
95 protected:
96 void addAlgorithmParams() override;
97 bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
98 void fuzzify( QgsProcessingFeedback *feedback ) override;
99
100 private:
101 double mFuzzifyLowBound;
102 double mFuzzifyHighBound;
103
104};
105
106
107class QgsFuzzifyRasterPowerMembershipAlgorithm : public QgsFuzzifyRasterAlgorithmBase
108{
109
110 public:
111 QgsFuzzifyRasterPowerMembershipAlgorithm() = default;
112 QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmFuzzifyPower.svg" ) ); }
113 QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmFuzzifyPower.svg" ) ); }
114 QString name() const override;
115 QString displayName() const override;
116 QStringList tags() const override;
117 QString shortHelpString() const override;
118 QgsFuzzifyRasterPowerMembershipAlgorithm *createInstance() const override SIP_FACTORY;
119
120 protected:
121 void addAlgorithmParams() override;
122 bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
123 void fuzzify( QgsProcessingFeedback *feedback ) override;
124
125 private:
126 double mFuzzifyLowBound;
127 double mFuzzifyHighBound;
128 double mFuzzifyExponent;
129
130};
131
132
133class QgsFuzzifyRasterLargeMembershipAlgorithm : public QgsFuzzifyRasterAlgorithmBase
134{
135
136 public:
137 QgsFuzzifyRasterLargeMembershipAlgorithm() = default;
138 QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmFuzzifyLarge.svg" ) ); }
139 QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmFuzzifyLarge.svg" ) ); }
140 QString name() const override;
141 QString displayName() const override;
142 QStringList tags() const override;
143 QString shortHelpString() const override;
144 QgsFuzzifyRasterLargeMembershipAlgorithm *createInstance() const override SIP_FACTORY;
145
146 protected:
147 void addAlgorithmParams() override;
148 bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
149 void fuzzify( QgsProcessingFeedback *feedback ) override;
150
151 private:
152 double mFuzzifyMidpoint;
153 double mFuzzifySpread;
154
155};
156
157
158class QgsFuzzifyRasterSmallMembershipAlgorithm : public QgsFuzzifyRasterAlgorithmBase
159{
160
161 public:
162 QgsFuzzifyRasterSmallMembershipAlgorithm() = default;
163 QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmFuzzifySmall.svg" ) ); }
164 QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmFuzzifySmall.svg" ) ); }
165 QString name() const override;
166 QString displayName() const override;
167 QStringList tags() const override;
168 QString shortHelpString() const override;
169 QgsFuzzifyRasterSmallMembershipAlgorithm *createInstance() const override SIP_FACTORY;
170
171 protected:
172 void addAlgorithmParams() override;
173 bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
174 void fuzzify( QgsProcessingFeedback *feedback ) override;
175
176 private:
177 double mFuzzifyMidpoint;
178 double mFuzzifySpread;
179
180};
181
182
183class QgsFuzzifyRasterGaussianMembershipAlgorithm : public QgsFuzzifyRasterAlgorithmBase
184{
185
186 public:
187 QgsFuzzifyRasterGaussianMembershipAlgorithm() = default;
188 QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmFuzzifyGaussian.svg" ) ); }
189 QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmFuzzifyGaussian.svg" ) ); }
190 QString name() const override;
191 QString displayName() const override;
192 QStringList tags() const override;
193 QString shortHelpString() const override;
194 QgsFuzzifyRasterGaussianMembershipAlgorithm *createInstance() const override SIP_FACTORY;
195
196 protected:
197 void addAlgorithmParams() override;
198 bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
199 void fuzzify( QgsProcessingFeedback *feedback ) override;
200
201 private:
202 double mFuzzifyMidpoint;
203 double mFuzzifySpread;
204
205};
206
207
208class QgsFuzzifyRasterNearMembershipAlgorithm : public QgsFuzzifyRasterAlgorithmBase
209{
210
211 public:
212 QgsFuzzifyRasterNearMembershipAlgorithm() = default;
213 QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmFuzzifyNear.svg" ) ); }
214 QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmFuzzifyNear.svg" ) ); }
215 QString name() const override;
216 QString displayName() const override;
217 QStringList tags() const override;
218 QString shortHelpString() const override;
219 QgsFuzzifyRasterNearMembershipAlgorithm *createInstance() const override SIP_FACTORY;
220
221 protected:
222 void addAlgorithmParams() override;
223 bool prepareAlgorithmFuzzificationParameters( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
224 void fuzzify( QgsProcessingFeedback *feedback ) override;
225
226 private:
227 double mFuzzifyMidpoint;
228 double mFuzzifySpread;
229
230};
231
232
234
235#endif // QGSALGORITHMFUZZIFYRASTER_H
236
237
Qgis::DataType
DataType
Raster data types.
Definition: qgis.h:242
Qgis::DataType::Float32
@ Float32
Thirty two bit floating point (float)
QgsApplication::getThemeIcon
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
Definition: qgsapplication.cpp:729
QgsApplication::iconPath
static QString iconPath(const QString &iconFile)
Returns path to the desired icon file.
Definition: qgsapplication.cpp:718
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition: qgscoordinatereferencesystem.h:212
QgsProcessingAlgorithm
Abstract base class for processing algorithms.
Definition: qgsprocessingalgorithm.h:53
QgsProcessingAlgorithm::group
virtual QString group() const
Returns the name of the group this algorithm belongs to.
Definition: qgsprocessingalgorithm.h:225
QgsProcessingAlgorithm::groupId
virtual QString groupId() const
Returns the unique ID of the group this algorithm belongs to.
Definition: qgsprocessingalgorithm.h:234
QgsProcessingAlgorithm::processAlgorithm
virtual QVariantMap processAlgorithm(const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback) SIP_THROW(QgsProcessingException)=0
Runs the algorithm using the specified parameters.
QgsProcessingAlgorithm::prepareAlgorithm
virtual bool prepareAlgorithm(const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback) SIP_THROW(QgsProcessingException)
Prepares the algorithm to run using the specified parameters.
Definition: qgsprocessingalgorithm.cpp:451
QgsProcessingAlgorithm::initAlgorithm
virtual void initAlgorithm(const QVariantMap &configuration=QVariantMap())=0
Initializes the algorithm using the specified configuration.
QgsProcessingContext
Contains information about the context in which a processing algorithm is executed.
Definition: qgsprocessingcontext.h:46
QgsProcessingFeedback
Base class for providing feedback from a processing algorithm.
Definition: qgsprocessingfeedback.h:38
QgsRasterDataProvider
Base class for raster data providers.
Definition: qgsrasterdataprovider.h:89
QgsRasterLayer
Represents a raster layer.
Definition: qgsrasterlayer.h:78
QgsRectangle
A rectangle specified with double values.
Definition: qgsrectangle.h:42
qgis_sip.h
SIP_FACTORY
#define SIP_FACTORY
Definition: qgis_sip.h:76
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