#8725-R: minor changes and UI update

+ add comment about 'prepareSimplification' in constructor
+ fix comment in 'providerCanSimplify'
+ improve UI messages
This commit is contained in:
ahuarte47 2014-01-15 00:33:14 +01:00 committed by Matthias Kuhn
parent 7cb8ff7f8a
commit 22c0c79422
11 changed files with 130 additions and 407 deletions

View File

@ -563,10 +563,8 @@ QgsOptions::QgsOptions( QWidget *parent, Qt::WFlags fl ) :
// Default simplify drawing configuration
mSimplifyDrawingGroupBox->setChecked( settings.value( "/qgis/simplifyDrawingHints", ( int )QgsVectorLayer::GeometrySimplification ).toInt() != QgsVectorLayer::NoSimplification );
mSimplifyDrawingSlider->setValue(( int )( 5.0f * ( settings.value( "/qgis/simplifyDrawingTol", QGis::DEFAULT_MAPTOPIXEL_THRESHOLD ).toFloat() - 1 ) ) );
mSimplifyDrawingSpinBox->setValue( settings.value( "/qgis/simplifyDrawingTol", QGis::DEFAULT_MAPTOPIXEL_THRESHOLD ).toFloat() );
mSimplifyDrawingAtProvider->setChecked( !settings.value( "/qgis/simplifyLocal", true ).toBool() );
mSimplifyDrawingPanel->setVisible( mSimplifyDrawingSlider->value() > 0 );
mSimplifyDrawingPx->setText( QString( "(%1 px)" ).arg( 1.0f + 0.2f * mSimplifyDrawingSlider->value() ) );
// Slightly awkard here at the settings value is true to use QImage,
// but the checkbox is true to use QPixmap
@ -1104,10 +1102,10 @@ void QgsOptions::saveOptions()
if ( mSimplifyDrawingGroupBox->isChecked() )
{
simplifyHints |= QgsVectorLayer::GeometrySimplification;
if ( mSimplifyDrawingSlider->value() > 0 ) simplifyHints |= QgsVectorLayer::AntialiasingSimplification;
if ( mSimplifyDrawingSpinBox->value() > 1 ) simplifyHints |= QgsVectorLayer::AntialiasingSimplification;
}
settings.setValue( "/qgis/simplifyDrawingHints", simplifyHints );
settings.setValue( "/qgis/simplifyDrawingTol", 1.0f + 0.2f*mSimplifyDrawingSlider->value() );
settings.setValue( "/qgis/simplifyDrawingTol", mSimplifyDrawingSpinBox->value() );
settings.setValue( "/qgis/simplifyLocal", !mSimplifyDrawingAtProvider->isChecked() );
// project
@ -2087,10 +2085,3 @@ void QgsOptions::saveDefaultDatumTransformations()
s.endGroup();
}
void QgsOptions::on_mSimplifyDrawingSlider_valueChanged( int value )
{
mSimplifyDrawingPanel->setVisible( value > 0 );
mSimplifyDrawingPx->setText( QString( "(%1 px)" ).arg( 1.0f + 0.2f * value ) );
}

View File

@ -240,8 +240,6 @@ class APP_EXPORT QgsOptions : public QgsOptionsDialogBase, private Ui::QgsOption
void on_mRemoveDefaultTransformButton_clicked();
void on_mAddDefaultTransformButton_clicked();
void on_mSimplifyDrawingSlider_valueChanged( int value );
private:
QStringList i18nList();
void initContrastEnhancement( QComboBox *cbox, QString name, QString defaultVal );

View File

@ -395,9 +395,7 @@ void QgsVectorLayerProperties::syncToLayer( void )
// get simplify drawing configuration
const QgsVectorSimplifyMethod& simplifyMethod = layer->simplifyMethod();
mSimplifyDrawingGroupBox->setChecked( simplifyMethod.simplifyHints() != QgsVectorLayer::NoSimplification );
mSimplifyDrawingSlider->setValue(( int )( 5.0f * ( simplifyMethod.threshold() - 1 ) ) );
mSimplifyDrawingPanel->setVisible( mSimplifyDrawingSlider->value() > 0 );
mSimplifyDrawingPx->setText( QString( "(%1 px)" ).arg( 1.0f + 0.2f * mSimplifyDrawingSlider->value() ) );
mSimplifyDrawingSpinBox->setValue( simplifyMethod.threshold() );
if ( !( layer->dataProvider()->capabilities() & QgsVectorDataProvider::SimplifyGeometries ) )
{
@ -553,11 +551,11 @@ void QgsVectorLayerProperties::apply()
if ( mSimplifyDrawingGroupBox->isChecked() )
{
simplifyHints |= QgsVectorLayer::GeometrySimplification;
if ( mSimplifyDrawingSlider->value() > 0 ) simplifyHints |= QgsVectorLayer::AntialiasingSimplification;
if ( mSimplifyDrawingSpinBox->value() > 1 ) simplifyHints |= QgsVectorLayer::AntialiasingSimplification;
}
QgsVectorSimplifyMethod simplifyMethod = layer->simplifyMethod();
simplifyMethod.setSimplifyHints( simplifyHints );
simplifyMethod.setThreshold( 1.0f + 0.2f*mSimplifyDrawingSlider->value() );
simplifyMethod.setThreshold( mSimplifyDrawingSpinBox->value() );
simplifyMethod.setForceLocalOptimization( !mSimplifyDrawingAtProvider->isChecked() );
layer->setSimplifyMethod( simplifyMethod );
@ -1100,12 +1098,6 @@ void QgsVectorLayerProperties::on_mMaximumScaleSetCurrentPushButton_clicked()
cbMaximumScale->setScale( 1.0 / QgisApp::instance()->mapCanvas()->mapRenderer()->scale() );
}
void QgsVectorLayerProperties::on_mSimplifyDrawingSlider_valueChanged( int value )
{
mSimplifyDrawingPanel->setVisible( value > 0 );
mSimplifyDrawingPx->setText( QString( "(%1 px)" ).arg( 1.0f + 0.2f * value ) );
}
void QgsVectorLayerProperties::on_mSimplifyDrawingGroupBox_toggled( bool checked )
{
if ( !( layer->dataProvider()->capabilities() & QgsVectorDataProvider::SimplifyGeometries ) )

View File

@ -119,7 +119,6 @@ class APP_EXPORT QgsVectorLayerProperties : public QgsOptionsDialogBase, private
void on_mMinimumScaleSetCurrentPushButton_clicked();
void on_mMaximumScaleSetCurrentPushButton_clicked();
void on_mSimplifyDrawingSlider_valueChanged( int value );
void on_mSimplifyDrawingGroupBox_toggled( bool checked );
signals:

View File

@ -83,7 +83,11 @@ bool QgsAbstractFeatureIterator::nextFeatureFilterFids( QgsFeature& f )
void QgsAbstractFeatureIterator::ref()
{
// prepare if required the simplification of geometries to fetch
// Prepare if required the simplification of geometries to fetch:
// This code runs here because of 'prepareSimplification()' is virtual and it can be overrided
// in inherited iterators who change the default behavior.
// It would be better to call this method in the constructor enabling virtual-calls as it is described by example at:
// http://www.parashift.com/c%2B%2B-faq-lite/calling-virtuals-from-ctor-idiom.html
if ( refs == 0 )
{
prepareSimplification( mRequest.simplifyMethod() );

View File

@ -96,7 +96,7 @@ class CORE_EXPORT QgsAbstractFeatureIterator
//! this iterator runs local simplification
bool mLocalSimplification;
//! returns whether the iterator can simplify on provider side the geometries to fetch using the specified method type
//! returns whether the iterator supports simplify geometries on provider side
virtual bool providerCanSimplify( QgsSimplifyMethod::MethodType methodType ) const;
//! simplify the specified geometry if it was configured

View File

@ -122,7 +122,7 @@ class CORE_EXPORT QgsVectorLayerFeatureIterator : public QgsAbstractFeatureItera
//! optional object to locally simplify edited (changed or added) geometries fetched by this feature iterator
QgsAbstractGeometrySimplifier* mEditGeometrySimplifier;
//! returns whether the iterator can simplify on provider side the geometries to fetch using the specified method type
//! returns whether the iterator supports simplify geometries on provider side
virtual bool providerCanSimplify( QgsSimplifyMethod::MethodType methodType ) const;
};

View File

@ -65,7 +65,7 @@ class QgsOgrFeatureIterator : public QgsAbstractFeatureIterator
//! optional object to simplify OGR-geometries fecthed by this feature iterator
QgsOgrAbstractGeometrySimplifier* mGeometrySimplifier;
//! returns whether the iterator can simplify on provider side the geometries to fetch using the specified method type
//! returns whether the iterator supports simplify geometries on provider side
virtual bool providerCanSimplify( QgsSimplifyMethod::MethodType methodType ) const;
};

View File

@ -70,7 +70,7 @@ class QgsPostgresFeatureIterator : public QgsAbstractFeatureIterator
static const int sFeatureQueueSize;
private:
//! returns whether the iterator can simplify on provider side the geometries to fetch using the specified method type
//! returns whether the iterator supports simplify geometries on provider side
virtual bool providerCanSimplify( QgsSimplifyMethod::MethodType methodType ) const;
};

View File

@ -1684,209 +1684,79 @@
<item row="5" column="0" colspan="2">
<widget class="QGroupBox" name="mSimplifyDrawingGroupBox">
<property name="title">
<string>Simplify geometries by default</string>
<string>Enable feature simplication by default for newly added layers</string>
</property>
<property name="checkable">
<bool>true</bool>
</property>
<layout class="QGridLayout" name="_14">
<item row="0" column="2" colspan="3">
<item row="0" column="1" colspan="4">
<widget class="QLabel" name="label_59">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8.25pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;If checked, new vector layers added to the map will automatically use geometry simplification to speed up rendering. The simplification applies only during rendering of the layer and does not modify the layer geometry.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
<string>&lt;b&gt;Note:&lt;/b&gt; Feature simplification may speed up rendering but can result in rendering inconsistencies</string>
</property>
<property name="wordWrap">
<bool>true</bool>
</widget>
</item>
<item row="1" column="1">
<widget class="QLabel" name="label_56">
<property name="text">
<string>Simplification threshold (higher values result in more simplification): </string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="2" colspan="3">
<widget class="QgsCollapsibleGroupBox" name="mSimplifyAdvancedGrpBx">
<property name="title">
<string>Advanced settings</string>
<item row="1" column="2">
<widget class="QDoubleSpinBox" name="mSimplifyDrawingSpinBox">
<property name="decimals">
<number>2</number>
</property>
<property name="syncGroup" stdset="0">
<string notr="true">vectormeta</string>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>5</number>
</property>
<property name="singleStep">
<double>0.20</double>
</property>
<property name="value">
<double>1.0</double>
</property>
<property name="toolTip">
<string>Higher values result in more simplification</string>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QLabel" name="mSimplifyDrawingPx">
<property name="text">
<string>pixels</string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="4">
<spacer name="horizontalSpacer_40">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="2" column="1" colspan="4">
<widget class="QCheckBox" name="mSimplifyDrawingAtProvider">
<property name="text">
<string>Runs on provider side, otherwise it will execute once obtained the geometry from data source</string>
</property>
<layout class="QGridLayout" name="gridLayout_17">
<item row="0" column="1" colspan="4">
<widget class="QCheckBox" name="mSimplifyDrawingAtProvider">
<property name="text">
<string>Simplification runs on provider side, otherwise it will execute once obtained the geometry from data source.</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QLabel" name="label_56">
<property name="text">
<string>Simplification threshold (higher values result in more simplification): </string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QSlider" name="mSimplifyDrawingSlider">
<property name="minimumSize">
<size>
<width>130</width>
<height>16777215</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>130</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string>Higher values result in more simplification</string>
</property>
<property name="minimum">
<number>0</number>
</property>
<property name="maximum">
<number>20</number>
</property>
<property name="value">
<number>0</number>
</property>
<property name="tracking">
<bool>true</bool>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="invertedAppearance">
<bool>false</bool>
</property>
<property name="invertedControls">
<bool>false</bool>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QLabel" name="mSimplifyDrawingPx">
<property name="text">
<string>(0 px)</string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="4">
<spacer name="horizontalSpacer_40">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="2" column="1" colspan="4">
<widget class="QFrame" name="mSimplifyDrawingPanel">
<property name="minimumSize">
<size>
<width>0</width>
<height>70</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>16777215</width>
<height>16777215</height>
</size>
</property>
<property name="frameShape">
<enum>QFrame::Box</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
<widget class="QLabel" name="mSimplifyDrawingIcon">
<property name="geometry">
<rect>
<x>10</x>
<y>0</y>
<width>60</width>
<height>67</height>
</rect>
</property>
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>60</width>
<height>67</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>40</width>
<height>40</height>
</size>
</property>
<property name="layoutDirection">
<enum>Qt::LeftToRight</enum>
</property>
<property name="autoFillBackground">
<bool>false</bool>
</property>
<property name="text">
<string/>
</property>
<property name="pixmap">
<pixmap resource="../../images/images.qrc">:/images/themes/default/mIconWarn.png</pixmap>
</property>
<property name="scaledContents">
<bool>false</bool>
</property>
</widget>
<widget class="QLabel" name="mSimplifyDrawingLabel">
<property name="geometry">
<rect>
<x>45</x>
<y>8</y>
<width>411</width>
<height>51</height>
</rect>
</property>
<property name="text">
<string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8.25pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8pt;&quot;&gt; &lt;/span&gt;&lt;span style=&quot; font-size:8pt; font-weight:600;&quot;&gt;Warning:&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8pt;&quot;&gt; Increasing this threshold may speed up rendering, but may result in gaps &lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8pt;&quot;&gt; or topological errors in the layer display.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
</property>
</widget>
</widget>
</item>
</layout>
</widget>
</item>
</layout>

View File

@ -949,206 +949,75 @@
<bool>true</bool>
</property>
<layout class="QGridLayout" name="_12">
<item row="0" column="2" colspan="3">
<widget class="QLabel" name="label_16">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<item row="0" column="1" colspan="4">
<widget class="QLabel" name="label_59">
<property name="text">
<string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8.25pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Note:&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Enabling this option simplifies geometries in this layer to improve rendering speed. The simplification applies only during rendering of the layer and does not modify the layer geometry.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
<string>&lt;b&gt;Note:&lt;/b&gt; Feature simplification may speed up rendering but can result in rendering inconsistencies</string>
</property>
<property name="wordWrap">
<bool>true</bool>
</widget>
</item>
<item row="1" column="1">
<widget class="QLabel" name="label_56">
<property name="text">
<string>Simplification threshold (higher values result in more simplification): </string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="2" colspan="3">
<widget class="QgsCollapsibleGroupBox" name="mSimplifyAdvancedGrpBx">
<property name="title">
<string>Advanced settings</string>
<item row="1" column="2">
<widget class="QDoubleSpinBox" name="mSimplifyDrawingSpinBox">
<property name="decimals">
<number>2</number>
</property>
<property name="syncGroup" stdset="0">
<string notr="true">vectormeta</string>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>5</number>
</property>
<property name="singleStep">
<double>0.20</double>
</property>
<property name="value">
<double>1.0</double>
</property>
<property name="toolTip">
<string>Higher values result in more simplification</string>
</property>
<layout class="QGridLayout" name="gridLayout_6">
<item row="0" column="1" colspan="4">
<widget class="QCheckBox" name="mSimplifyDrawingAtProvider">
<property name="text">
<string>Simplification runs on provider side, otherwise it will execute once obtained the geometry from data source.</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QLabel" name="label_17">
<property name="text">
<string>Simplification threshold (higher values result in more simplification): </string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QSlider" name="mSimplifyDrawingSlider">
<property name="minimumSize">
<size>
<width>130</width>
<height>16777215</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>130</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string>Higher values result in more simplification</string>
</property>
<property name="minimum">
<number>0</number>
</property>
<property name="maximum">
<number>20</number>
</property>
<property name="value">
<number>0</number>
</property>
<property name="tracking">
<bool>true</bool>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="invertedAppearance">
<bool>false</bool>
</property>
<property name="invertedControls">
<bool>false</bool>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QLabel" name="mSimplifyDrawingPx">
<property name="text">
<string>(0 px)</string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="4">
<spacer name="horizontalSpacer_6">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="2" column="1" colspan="4">
<widget class="QFrame" name="mSimplifyDrawingPanel">
<property name="minimumSize">
<size>
<width>0</width>
<height>70</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>16777215</width>
<height>16777215</height>
</size>
</property>
<property name="frameShape">
<enum>QFrame::Box</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
<widget class="QLabel" name="mSimplifyDrawingIcon">
<property name="geometry">
<rect>
<x>10</x>
<y>0</y>
<width>60</width>
<height>67</height>
</rect>
</property>
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>60</width>
<height>67</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>40</width>
<height>40</height>
</size>
</property>
<property name="layoutDirection">
<enum>Qt::LeftToRight</enum>
</property>
<property name="autoFillBackground">
<bool>false</bool>
</property>
<property name="text">
<string/>
</property>
<property name="pixmap">
<pixmap resource="../../images/images.qrc">:/images/themes/default/mIconWarn.png</pixmap>
</property>
<property name="scaledContents">
<bool>false</bool>
</property>
</widget>
<widget class="QLabel" name="mSimplifyDrawingLabel">
<property name="geometry">
<rect>
<x>45</x>
<y>8</y>
<width>411</width>
<height>51</height>
</rect>
</property>
<property name="text">
<string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8.25pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8pt;&quot;&gt; &lt;/span&gt;&lt;span style=&quot; font-size:8pt; font-weight:600;&quot;&gt;Warning:&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8pt;&quot;&gt; Increasing this threshold may speed up rendering, but may result in gaps &lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8pt;&quot;&gt; or topological errors in the layer display.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
</property>
</widget>
</widget>
</item>
</layout>
</widget>
</item>
</item>
<item row="1" column="3">
<widget class="QLabel" name="mSimplifyDrawingPx">
<property name="text">
<string>pixels</string>
</property>
<property name="margin">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="4">
<spacer name="horizontalSpacer_40">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="2" column="1" colspan="4">
<widget class="QCheckBox" name="mSimplifyDrawingAtProvider">
<property name="text">
<string>Runs on provider side, otherwise it will execute once obtained the geometry from data source</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>