27 QVector<QgsDoubleSpinBox *> widgets;
28 widgets << mMinMagSpinBox << mMaxMagSpinBox
29 << mHeadWidthSpinBox << mHeadLengthSpinBox
30 << mMinimumShaftSpinBox << mMaximumShaftSpinBox
31 << mScaleShaftByFactorOfSpinBox << mShaftLengthSpinBox;
34 for (
const auto &widget : std::as_const( widgets ) )
36 widget->setClearValueMode( QgsDoubleSpinBox::ClearValueMode::MinimumValue );
37 widget->setSpecialValueText( QString( ) );
38 widget->setValue( widget->minimum() );
41 mShaftLengthComboBox->setCurrentIndex( -1 );
46 mXSpacingSpinBox->setClearValue( 10.0 );
47 mYSpacingSpinBox->setClearValue( 10.0 );
48 mStreamlinesDensitySpinBox->setClearValue( 15.0 );
49 mTracesParticlesCountSpinBox->setClearValue( 1000 );
50 mTracesMaxLengthSpinBox->setClearValue( 100.0 );
53 connect( mColoringMethodComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
54 this, &QgsMeshRendererVectorSettingsWidget::onColoringMethodChanged );
57 connect( mColorRampShaderMinimumSpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ),
58 this, &QgsMeshRendererVectorSettingsWidget::onColorRampMinMaxChanged );
59 connect( mColorRampShaderMaximumSpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ),
60 this, &QgsMeshRendererVectorSettingsWidget::onColorRampMinMaxChanged );
62 connect( mLineWidthSpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ),
65 connect( mShaftLengthComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
68 connect( mShaftLengthComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
69 mShaftOptionsStackedWidget, &QStackedWidget::setCurrentIndex );
73 connect( mColorRampShaderLoadButton, &QPushButton::clicked,
this, &QgsMeshRendererVectorSettingsWidget::loadColorRampShader );
75 onColoringMethodChanged();
77 for (
const auto &widget : std::as_const( widgets ) )
85 connect( mSymbologyVectorComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
86 this, &QgsMeshRendererVectorSettingsWidget::onSymbologyChanged );
87 onSymbologyChanged( 0 );
89 connect( mSymbologyVectorComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
92 connect( mStreamlinesSeedingMethodComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
93 this, &QgsMeshRendererVectorSettingsWidget::onStreamLineSeedingMethodChanged );
94 onStreamLineSeedingMethodChanged( 0 );
96 connect( mStreamlinesSeedingMethodComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
99 connect( mStreamlinesDensitySpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ),
102 connect( mTracesMaxLengthSpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ),
105 connect( mTracesParticlesCountSpinBox, qOverload<int>( &QgsSpinBox::valueChanged ),
136 ( mColoringMethodComboBox->currentData().toInt() ) );
140 double val = filterValue( mMinMagSpinBox, -1 );
143 val = filterValue( mMaxMagSpinBox, -1 );
154 bool enabled = mDisplayVectorsOnGridGroupBox->isChecked();
163 val = filterValue( mMinimumShaftSpinBox, arrowSettings.
minShaftLength() );
166 val = filterValue( mMaximumShaftSpinBox, arrowSettings.
maxShaftLength() );
169 val = filterValue( mScaleShaftByFactorOfSpinBox, arrowSettings.
scaleFactor() );
182 streamlineSettings.
setSeedingDensity( mStreamlinesDensitySpinBox->value() / 100 );
201 if ( mActiveDatasetGroup < 0 )
210 symbologyLabel->setVisible( hasFaces );
211 mSymbologyVectorComboBox->setVisible( hasFaces );
212 mSymbologyVectorComboBox->setCurrentIndex( hasFaces ?
settings.
symbology() : 0 );
220 mColoringMethodComboBox->setCurrentIndex( mColoringMethodComboBox->findData(
settings.
coloringMethod() ) );
240 mDisplayVectorsOnGridGroupBox->setVisible( hasFaces );
250 mScaleShaftByFactorOfSpinBox->setValue( arrowSettings.
scaleFactor() );
256 mStreamlinesSeedingMethodComboBox->setCurrentIndex( streamlinesSettings.
seedingMethod() );
257 mStreamlinesDensitySpinBox->setValue( streamlinesSettings.
seedingDensity() * 100 );
264 mTracesParticlesCountSpinBox->setValue( tracesSettings.
particlesCount() );
268 void QgsMeshRendererVectorSettingsWidget::onSymbologyChanged(
int currentIndex )
282 mDisplayVectorsOnGridGroupBox->setEnabled(
288 void QgsMeshRendererVectorSettingsWidget::onStreamLineSeedingMethodChanged(
int currentIndex )
291 mStreamlinesDensityLabel->setEnabled( enabled );
292 mStreamlinesDensitySpinBox->setEnabled( enabled );
294 mDisplayVectorsOnGridGroupBox->setEnabled( !enabled );
297 void QgsMeshRendererVectorSettingsWidget::onColoringMethodChanged()
303 if ( mColorRampShaderWidget->shader().colorRampItemList().isEmpty() )
304 loadColorRampShader();
309 void QgsMeshRendererVectorSettingsWidget::onColorRampMinMaxChanged()
311 mColorRampShaderWidget->setMinimumMaximumAndClassify(
312 filterValue( mColorRampShaderMinimumSpinBox, 0 ),
313 filterValue( mColorRampShaderMaximumSpinBox, 0 ) );
316 void QgsMeshRendererVectorSettingsWidget::loadColorRampShader()
322 if ( currentVectorDataSetGroupIndex < 0 ||
330 mColorRampShaderWidget->setMinimumMaximumAndClassify( min, max );
331 whileBlocking( mColorRampShaderMinimumSpinBox )->setValue( min );
332 whileBlocking( mColorRampShaderMaximumSpinBox )->setValue( max );
335 double QgsMeshRendererVectorSettingsWidget::filterValue(
const QgsDoubleSpinBox *spinBox,
double errVal )
const
337 if ( spinBox->value() == spinBox->
clearValue() )
340 return spinBox->value();
The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value.
ColoringMethod
Defines how the color is defined.
@ ColorRamp
Render with a color ramp.
@ SingleColor
Render with a single color.
bool contains(const QgsMesh::ElementType &type) const
Returns whether the mesh contains at mesh elements of given type.
Represents a mesh layer supporting display of data on structured or unstructured meshes.
QgsMeshRendererSettings rendererSettings() const
Returns renderer settings.
QgsMeshDataProvider * dataProvider() override
Returns the layer's data provider, it may be nullptr.
QgsMeshDatasetGroupMetadata datasetGroupMetadata(const QgsMeshDatasetIndex &index) const
Returns the dataset groups metadata.
Represents all mesh renderer settings.
int activeVectorDatasetGroup() const
Returns the active vector dataset group.
QgsMeshRendererVectorSettings vectorSettings(int groupIndex) const
Returns renderer settings.
Represents a mesh renderer settings for vector datasets displayed with arrows.
void setFixedShaftLength(double fixedShaftLength)
Sets fixed length (in millimeters)
void setMaxShaftLength(double maxShaftLength)
Sets maximum shaft length (in millimeters)
QgsMeshRendererVectorArrowSettings::ArrowScalingMethod shaftLengthMethod() const
Returns method used for drawing arrows.
void setMinShaftLength(double minShaftLength)
Sets mininimum shaft length (in millimeters)
double fixedShaftLength() const
Returns fixed arrow length (in millimeters)
void setArrowHeadWidthRatio(double arrowHeadWidthRatio)
Sets ratio of the head width of the arrow (range 0-1)
double scaleFactor() const
Returns scale factor.
double maxShaftLength() const
Returns maximum shaft length (in millimeters)
double arrowHeadWidthRatio() const
Returns ratio of the head width of the arrow (range 0-1)
void setArrowHeadLengthRatio(double arrowHeadLengthRatio)
Sets ratio of the head length of the arrow (range 0-1)
void setScaleFactor(double scaleFactor)
Sets scale factor.
void setShaftLengthMethod(ArrowScalingMethod shaftLengthMethod)
Sets method used for drawing arrows.
ArrowScalingMethod
Algorithm how to transform vector magnitude to length of arrow on the device in pixels.
double minShaftLength() const
Returns mininimum shaft length (in millimeters)
double arrowHeadLengthRatio() const
Returns ratio of the head length of the arrow (range 0-1)
Represents a renderer settings for vector datasets.
void setColorRampShader(const QgsColorRampShader &colorRampShader)
Returns the color ramp shader used to render vector datasets.
void setStreamLinesSettings(const QgsMeshRendererVectorStreamlineSettings &streamLinesSettings)
Sets settings for vector rendered with streamlines.
int userGridCellWidth() const
Returns width in pixels of user grid cell.
void setArrowsSettings(const QgsMeshRendererVectorArrowSettings &arrowSettings)
Sets settings for vector rendered with arrows.
void setUserGridCellWidth(int width)
Sets width of user grid cell (in pixels)
void setColor(const QColor &color)
Sets color used for drawing arrows.
QgsMeshRendererVectorTracesSettings tracesSettings() const
Returns settings for vector rendered with traces.
QColor color() const
Returns color used for drawing arrows.
int userGridCellHeight() const
Returns height in pixels of user grid cell.
void setOnUserDefinedGrid(bool enabled)
Toggles drawing of vectors on user defined grid.
double lineWidth() const
Returns line width of the arrow (in millimeters)
Symbology
Defines the symbology of vector rendering.
@ Traces
Displaying vector dataset with particle traces.
@ Arrows
Displaying vector dataset with arrows.
@ Streamlines
Displaying vector dataset with streamlines.
void setUserGridCellHeight(int height)
Sets height of user grid cell (in pixels)
Symbology symbology() const
Returns the displaying method used to render vector datasets.
double filterMax() const
Returns filter value for vector magnitudes.
QgsColorRampShader colorRampShader() const
Sets the color ramp shader used to render vector datasets.
void setSymbology(const Symbology &symbology)
Sets the displaying method used to render vector datasets.
void setFilterMin(double filterMin)
Sets filter value for vector magnitudes.
QgsMeshRendererVectorArrowSettings arrowSettings() const
Returns settings for vector rendered with arrows.
void setFilterMax(double filterMax)
Sets filter value for vector magnitudes.
void setTracesSettings(const QgsMeshRendererVectorTracesSettings &tracesSettings)
Sets settings for vector rendered with traces.
void setColoringMethod(const QgsInterpolatedLineColor::ColoringMethod &coloringMethod)
Sets the coloring method used to render vector datasets.
QgsInterpolatedLineColor::ColoringMethod coloringMethod() const
Returns the coloring method used to render vector datasets.
void setLineWidth(double lineWidth)
Sets line width of the arrow in pixels (in millimeters)
bool isOnUserDefinedGrid() const
Returns whether vectors are drawn on user-defined grid.
double filterMin() const
Returns filter value for vector magnitudes.
QgsMeshRendererVectorStreamlineSettings streamLinesSettings() const
Returns settings for vector rendered with streamlines.
Represents a streamline renderer settings for vector datasets displayed by streamlines.
void setSeedingDensity(double seedingDensity)
Sets the density used for seeding start points.
SeedingStartPointsMethod seedingMethod() const
Returns the method used for seeding start points of strealines.
void setSeedingMethod(const SeedingStartPointsMethod &seedingMethod)
Sets the method used for seeding start points of strealines.
SeedingStartPointsMethod
Method used to define start points that are used to draw streamlines.
@ Random
Seeds start points randomly on the mesh.
@ MeshGridded
Seeds start points on the vertices mesh or user regular grid.
double seedingDensity() const
Returns the density used for seeding start points.
Represents a trace renderer settings for vector datasets displayed by particle traces.
void setMaximumTailLength(double maximumTailLength)
Sets the maximums tail length.
double maximumTailLength() const
Returns the maximum tail length.
QgsUnitTypes::RenderUnit maximumTailLengthUnit() const
Returns the maximum tail length unit.
int particlesCount() const
Returns particles count.
void setParticlesCount(int value)
Sets particles count.
void setMaximumTailLengthUnit(const QgsUnitTypes::RenderUnit &maximumTailLengthUnit)
Sets the maximum tail length unit.
double maximumValue() const
Returns the minimum value for the raster shader.
double minimumValue() const
Returns the maximum value for the raster shader.
QList< QgsUnitTypes::RenderUnit > RenderUnitList
List of render units.
@ RenderMetersInMapUnits
Meters value as Map units.
@ RenderPoints
Points (e.g., for font sizes)
@ RenderMillimeters
Millimeters.
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.