diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5381975..6a98937 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_policy(SET CMP0072 NEW) #  FindOpenGL prefers GLVND by default
 project(QAD)
 set(QAD_MAJOR    2)
 set(QAD_MINOR    14)
-set(QAD_REVISION 0)
+set(QAD_REVISION 1)
 set(QAD_SUFFIX   )
 set(QAD_COMPANY  SHS)
 set(QAD_DOMAIN   org.SHS)
diff --git a/libs/graphic/graphic.cpp b/libs/graphic/graphic.cpp
index 7c2c7ef..b0635fd 100644
--- a/libs/graphic/graphic.cpp
+++ b/libs/graphic/graphic.cpp
@@ -125,8 +125,7 @@ Graphic::Graphic(QWidget * parent): QFrame(parent), canvas(0), line_x_min(this),
 	agroup->addAction(ui->graphic_actionGuidesTrace);
 	ui->graphic_actionGuidesFree->setProperty("_value", (int)Free);
 	ui->graphic_actionGuidesTrace->setProperty("_value", (int)Trace);
-	ui->graphic_actionGuidesFree->setChecked(true);
-	connect(agroup, SIGNAL(triggered(QAction *)), this, SLOT(actionGuidesTriggered(QAction *)));
+	connect(agroup, &QActionGroup::triggered, this, &Graphic::actionGuidesTriggered);
 	ui->graphic_checkGuides->addAction(ui->graphic_actionGuidesFree);
 	ui->graphic_checkGuides->addAction(ui->graphic_actionGuidesTrace);
 	ui->graphic_buttonAutofit->addAction(ui->graphic_actionExpandX);
@@ -146,11 +145,11 @@ Graphic::Graphic(QWidget * parent): QFrame(parent), canvas(0), line_x_min(this),
 	line_x_max.setClearButtonVisible(true);
 	line_y_min.setClearButtonVisible(true);
 	line_y_max.setClearButtonVisible(true);
-	connect(&line_x_min, SIGNAL(valueChanged(double)), this, SLOT(lineXMinChanged(double)));
-	connect(&line_x_max, SIGNAL(valueChanged(double)), this, SLOT(lineXMaxChanged(double)));
-	connect(&line_y_min, SIGNAL(valueChanged(double)), this, SLOT(lineYMinChanged(double)));
-	connect(&line_y_max, SIGNAL(valueChanged(double)), this, SLOT(lineYMaxChanged(double)));
-	connect(ui->canvas_raster, SIGNAL(paintEvent(QPaintEvent *)), this, SLOT(canvasPaintEvent()));
+	connect(&line_x_min, &EvalSpinBox::valueChanged, this, &Graphic::lineXMinChanged);
+	connect(&line_x_max, &EvalSpinBox::valueChanged, this, &Graphic::lineXMaxChanged);
+	connect(&line_y_min, &EvalSpinBox::valueChanged, this, &Graphic::lineYMinChanged);
+	connect(&line_y_max, &EvalSpinBox::valueChanged, this, &Graphic::lineYMaxChanged);
+	connect(ui->canvas_raster, &UWidget::paintEvent, this, &Graphic::canvasPaintEvent);
 	prepareCanvas(ui->canvas_raster);
 	icon_exp_x   = QIcon(":/icons/expand_x.png");
 	icon_exp_y   = QIcon(":/icons/expand_y.png");
@@ -203,7 +202,7 @@ Graphic::Graphic(QWidget * parent): QFrame(parent), canvas(0), line_x_min(this),
 	updateLegend();
 	setRectToLines();
 	conf = new GraphicConf(graphics, this);
-	connect(conf, SIGNAL(exportClicked()), this, SLOT(on_graphic_actionExportCSV_triggered()));
+	connect(conf, &GraphicConf::exportClicked, this, &Graphic::on_graphic_actionExportCSV_triggered);
 }
 
 
@@ -241,7 +240,7 @@ void Graphic::showEvent(QShowEvent *) {
 		// qDebug() << "create GL on show";
 		canvas_gl = new UGLWidget();
 		ui->layoutCanvas->addWidget(canvas_gl);
-		connect(canvas_gl, SIGNAL(paintSignal()), this, SLOT(canvasPaintEvent()));
+		connect(canvas_gl, &UGLWidget::paintSignal, this, &Graphic::canvasPaintEvent);
 		prepareCanvas(canvas_gl);
 		ui->canvas_raster->hide();
 		canvas_gl->show();
@@ -1209,7 +1208,7 @@ void Graphic::setOpenGL(bool on) {
 				// qDebug() << "create GL on setter";
 				canvas_gl = new UGLWidget();
 				ui->layoutCanvas->addWidget(canvas_gl);
-				connect(canvas_gl, SIGNAL(paintSignal()), this, SLOT(canvasPaintEvent()));
+				connect(canvas_gl, &UGLWidget::paintSignal, this, &Graphic::canvasPaintEvent);
 				prepareCanvas(canvas_gl);
 			}
 		}
@@ -2052,13 +2051,13 @@ QPolygonF Graphic::canvas2real(const QPolygonF & canvas_polygon) const {
 double Graphic::getScaleX() const {
 	int gbx = gridborder.x() + margins_.left();
 	int wid = lastw - gbx - margins_.width();
-	return selrect.width() / (double)wid;
+	return (double)wid / selrect.width();
 }
 
 double Graphic::getScaleY() const {
 	int gby = gridborder.y() + margins_.top();
 	int hei = lasth - gby - margins_.height();
-	return selrect.height() / (double)hei;
+	return (double)hei / selrect.height();
 }
 
 
diff --git a/libs/graphic/graphic.ui b/libs/graphic/graphic.ui
index 62a8e58..feabd5f 100644
--- a/libs/graphic/graphic.ui
+++ b/libs/graphic/graphic.ui
@@ -440,6 +440,9 @@
    <property name="checkable">
     <bool>true</bool>
    </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
    <property name="text">
     <string>Snap trace</string>
    </property>