QGIS API Documentation
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src
core
project
qgsprojectelevationproperties.h
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/***************************************************************************
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qgsprojectelevationproperties.h
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---------------
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begin : February 2022
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copyright : (C) 2022 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 QGSPROJECTELEVATIONPROPERTIES_H
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#define QGSPROJECTELEVATIONPROPERTIES_H
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#include "qgis_core.h"
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#include "
qgsrange.h
"
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#include "
qgsunittypes.h
"
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#include <memory>
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#include <QObject>
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class
QDomElement;
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class
QgsReadWriteContext
;
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class
QDomDocument;
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class
QgsAbstractTerrainProvider
;
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class
QgsProject
;
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class
CORE_EXPORT
QgsProjectElevationProperties
:
public
QObject
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{
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Q_OBJECT
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public
:
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QgsProjectElevationProperties
( QObject *parent
SIP_TRANSFERTHIS
=
nullptr
);
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~QgsProjectElevationProperties
()
override
;
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void
reset();
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void
resolveReferences(
const
QgsProject
*project );
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bool
readXml(
const
QDomElement &element,
const
QgsReadWriteContext
&context );
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QDomElement writeXml( QDomDocument &document,
const
QgsReadWriteContext
&context )
const
;
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QgsAbstractTerrainProvider
*terrainProvider();
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void
setTerrainProvider(
QgsAbstractTerrainProvider
*provider
SIP_TRANSFER
);
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QgsDoubleRange
elevationRange
()
const
{
return
mElevationRange; }
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double
elevationFilterRangeSize
()
const
{
return
mElevationFilterRangeSize; }
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bool
invertElevationFilter
()
const
{
return
mInvertElevationFilter; }
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public
slots:
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void
setElevationRange(
const
QgsDoubleRange
&range );
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void
setElevationFilterRangeSize(
double
size );
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void
setInvertElevationFilter(
bool
invert );
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signals:
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void
changed
();
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void
elevationRangeChanged
(
const
QgsDoubleRange
&range );
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private
:
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std::unique_ptr< QgsAbstractTerrainProvider > mTerrainProvider;
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QgsDoubleRange
mElevationRange;
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double
mElevationFilterRangeSize = -1;
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bool
mInvertElevationFilter =
false
;
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};
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#endif
// QGSPROJECTELEVATIONPROPERTIES_H
QgsAbstractTerrainProvider
Abstract base class for terrain providers.
Definition
qgsterrainprovider.h:41
QgsDoubleRange
QgsRange which stores a range of double values.
Definition
qgsrange.h:231
QgsProjectElevationProperties
Contains elevation properties for a QgsProject.
Definition
qgsprojectelevationproperties.h:39
QgsProjectElevationProperties::elevationRange
QgsDoubleRange elevationRange() const
Returns the project's elevation range, which indicates the upper and lower elevation limits associate...
Definition
qgsprojectelevationproperties.h:101
QgsProjectElevationProperties::~QgsProjectElevationProperties
~QgsProjectElevationProperties() override
QgsProjectElevationProperties::elevationRangeChanged
void elevationRangeChanged(const QgsDoubleRange &range)
Emitted when the project's elevation is changed.
QgsProjectElevationProperties::elevationFilterRangeSize
double elevationFilterRangeSize() const
Returns the fixed size for elevation range filtering in the project, used when interactively filterin...
Definition
qgsprojectelevationproperties.h:115
QgsProjectElevationProperties::changed
void changed()
Emitted when the elevation properties change.
QgsProjectElevationProperties::invertElevationFilter
bool invertElevationFilter() const
Returns true if the elevation range filter slider should be inverted for this project.
Definition
qgsprojectelevationproperties.h:124
QgsProject
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
Definition
qgsproject.h:107
QgsReadWriteContext
The class is used as a container of context for various read/write operations on other objects.
Definition
qgsreadwritecontext.h:34
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition
qgis_sip.h:53
SIP_TRANSFER
#define SIP_TRANSFER
Definition
qgis_sip.h:36
qgsrange.h
qgsunittypes.h
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