QGIS API Documentation
3.41.0-Master (45a0abf3bec)
Loading...
Searching...
No Matches
src
gui
symbology
qgsheatmaprendererwidget.h
Go to the documentation of this file.
1
/***************************************************************************
2
qgsheatmaprendererwidget.h
3
--------------------------
4
begin : November 2014
5
copyright : (C) 2014 Nyall Dawson
6
email : nyall dot dawson at gmail dot com
7
***************************************************************************
8
* *
9
* This program is free software; you can redistribute it and/or modify *
10
* it under the terms of the GNU General Public License as published by *
11
* the Free Software Foundation; either version 2 of the License, or *
12
* (at your option) any later version. *
13
* *
14
***************************************************************************/
15
#ifndef QGSHEATMAPRENDERERWIDGET_H
16
#define QGSHEATMAPRENDERERWIDGET_H
17
18
#include "ui_qgsheatmaprendererwidgetbase.h"
19
#include "
qgis_sip.h
"
20
#include "
qgsrendererwidget.h
"
21
#include "qgis_gui.h"
22
23
class
QMenu;
24
class
QgsHeatmapRenderer
;
25
30
class
GUI_EXPORT
QgsHeatmapRendererWidget
:
public
QgsRendererWidget
,
private
Ui::QgsHeatmapRendererWidgetBase
31
{
32
Q_OBJECT
33
34
public
:
35
42
static
QgsRendererWidget
*create(
QgsVectorLayer
*layer,
QgsStyle
*style,
QgsFeatureRenderer
*renderer )
SIP_FACTORY
;
43
50
QgsHeatmapRendererWidget
(
QgsVectorLayer
*layer,
QgsStyle
*style,
QgsFeatureRenderer
*renderer );
51
~QgsHeatmapRendererWidget
()
override
;
52
53
QgsFeatureRenderer
*
renderer
()
override
;
54
void
setContext
(
const
QgsSymbolWidgetContext
&context )
override
;
55
QgsExpressionContext
createExpressionContext
()
const override
;
56
57
private
:
58
std::unique_ptr< QgsHeatmapRenderer > mRenderer;
59
60
private
slots:
61
62
void
applyColorRamp();
63
void
showLegendSettings();
64
void
mRadiusUnitWidget_changed();
65
void
mRadiusSpinBox_valueChanged(
double
d );
66
void
mMaxSpinBox_valueChanged(
double
d );
67
void
mQualitySlider_valueChanged(
int
v );
68
void
weightExpressionChanged(
const
QString &expression );
69
70
};
71
72
73
#endif
// QGSHEATMAPRENDERERWIDGET_H
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition
qgsexpressioncontext.h:471
QgsFeatureRenderer
Abstract base class for all 2D vector feature renderers.
Definition
qgsrenderer.h:106
QgsHeatmapRendererWidget
Definition
qgsheatmaprendererwidget.h:31
QgsHeatmapRendererWidget::~QgsHeatmapRendererWidget
~QgsHeatmapRendererWidget() override
QgsHeatmapRenderer
A renderer which draws points as a live heatmap.
Definition
qgsheatmaprenderer.h:35
QgsRendererWidget
Base class for renderer settings widgets.
Definition
qgsrendererwidget.h:48
QgsRendererWidget::setContext
virtual void setContext(const QgsSymbolWidgetContext &context)
Sets the context in which the renderer widget is shown, e.g., the associated map canvas and expressio...
Definition
qgsrendererwidget.cpp:349
QgsRendererWidget::renderer
virtual QgsFeatureRenderer * renderer()=0
Returns pointer to the renderer (no transfer of ownership)
QgsRendererWidget::createExpressionContext
QgsExpressionContext createExpressionContext() const override
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Definition
qgsrendererwidget.cpp:410
QgsStyle
Definition
qgsstyle.h:87
QgsSymbolWidgetContext
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
Definition
qgssymbolwidgetcontext.h:35
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition
qgsvectorlayer.h:401
qgis_sip.h
SIP_FACTORY
#define SIP_FACTORY
Definition
qgis_sip.h:76
qgsrendererwidget.h
Generated on Tue Nov 19 2024 18:20:01 for QGIS API Documentation by
1.9.8