QGIS API Documentation
3.8.0-Zanzibar (11aff65)
src
analysis
processing
qgsalgorithmdissolve.h
Go to the documentation of this file.
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/***************************************************************************
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qgsalgorithmdissolve.h
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---------------------
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begin : April 2017
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copyright : (C) 2017 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSALGORITHMDISSOLVE_H
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#define QGSALGORITHMDISSOLVE_H
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#define SIP_NO_FILE
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#include "
qgis_sip.h
"
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#include "
qgsprocessingalgorithm.h
"
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#include "
qgsapplication.h
"
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class
QgsCollectorAlgorithm :
public
QgsProcessingAlgorithm
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{
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protected
:
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QVariantMap processCollection(
const
QVariantMap ¶meters,
QgsProcessingContext
&context,
QgsProcessingFeedback
*feedback,
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const
std::function<
QgsGeometry
(
const
QVector<QgsGeometry>& )> &collector,
int
maxQueueLength = 0 );
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};
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class
QgsDissolveAlgorithm :
public
QgsCollectorAlgorithm
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{
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public
:
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QgsDissolveAlgorithm() =
default
;
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void
initAlgorithm(
const
QVariantMap &configuration = QVariantMap() )
override
;
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QIcon icon()
const override
{
return
QgsApplication::getThemeIcon
( QStringLiteral(
"/algorithms/mAlgorithmDissolve.svg"
) ); }
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QString svgIconPath()
const override
{
return
QgsApplication::iconPath
( QStringLiteral(
"/algorithms/mAlgorithmDissolve.svg"
) ); }
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QString name()
const override
;
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QString displayName()
const override
;
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QStringList tags()
const override
;
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QString group()
const override
;
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QString groupId()
const override
;
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QString shortHelpString()
const override
;
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QgsDissolveAlgorithm *createInstance()
const
override
SIP_FACTORY
;
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protected
:
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QVariantMap processAlgorithm(
const
QVariantMap ¶meters,
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QgsProcessingContext
&context,
QgsProcessingFeedback
*feedback )
override
;
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};
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class
QgsCollectAlgorithm :
public
QgsCollectorAlgorithm
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{
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public
:
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QgsCollectAlgorithm() =
default
;
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QIcon icon()
const override
{
return
QgsApplication::getThemeIcon
( QStringLiteral(
"/algorithms/mAlgorithmCollect.svg"
) ); }
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QString svgIconPath()
const override
{
return
QgsApplication::iconPath
( QStringLiteral(
"/algorithms/mAlgorithmCollect.svg"
) ); }
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void
initAlgorithm(
const
QVariantMap &configuration = QVariantMap() )
override
;
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QString name()
const override
;
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QString displayName()
const override
;
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QStringList tags()
const override
;
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QString group()
const override
;
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QString groupId()
const override
;
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QString shortHelpString()
const override
;
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QgsCollectAlgorithm *createInstance()
const
override
SIP_FACTORY
;
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protected
:
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QVariantMap processAlgorithm(
const
QVariantMap ¶meters,
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QgsProcessingContext
&context,
QgsProcessingFeedback
*feedback )
override
;
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};
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#endif // QGSALGORITHMDISSOLVE_H
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QgsProcessingFeedback
Base class for providing feedback from a processing algorithm.
Definition:
qgsprocessingfeedback.h:37
QgsApplication::iconPath
static QString iconPath(const QString &iconFile)
Returns path to the desired icon file.
Definition:
qgsapplication.cpp:545
QgsGeometry
A geometry is the spatial representation of a feature.
Definition:
qgsgeometry.h:111
QgsApplication::getThemeIcon
static QIcon getThemeIcon(const QString &name)
Helper to get a theme icon.
Definition:
qgsapplication.cpp:556
QgsProcessingAlgorithm
Abstract base class for processing algorithms.
Definition:
qgsprocessingalgorithm.h:51
qgsprocessingalgorithm.h
qgis_sip.h
qgsapplication.h
SIP_FACTORY
#define SIP_FACTORY
Definition:
qgis_sip.h:69
QgsProcessingContext
Contains information about the context in which a processing algorithm is executed.
Definition:
qgsprocessingcontext.h:43
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