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diagview.cpp

@@ -21,6 +21,14 @@ DiagView::DiagView(Context &ctx, QWidget *parent) :
     std::pair<std::vector<double>,std::vector<double>> xyH = ctx.getHpair();
     std::pair<std::vector<double>,std::vector<double>> xyT = ctx.getTpair();
     std::pair<std::vector<double>,std::vector<double>> xyM = ctx.getMpair();
+
+    yHmin = *std::min_element(xyH.second.begin(), xyH.second.end());
+    yHmax = *std::max_element(xyH.second.begin(), xyH.second.end());
+    yTmin = *std::min_element(xyT.second.begin(), xyT.second.end());
+    yTmax = *std::max_element(xyT.second.begin(), xyT.second.end());
+    yMmin = *std::min_element(xyM.second.begin(), xyM.second.end());
+    yMmax = *std::max_element(xyM.second.begin(), xyM.second.end());
+
     std::pair<std::vector<double>,std::vector<double>> beamPoints = std::make_pair(std::vector<double>{0,ctx.beam.length}, std::vector<double>{0,0});
 
     ui->diagHPlot->addGraph();
@@ -29,7 +37,7 @@ DiagView::DiagView(Context &ctx, QWidget *parent) :
     ui->diagHPlot->graph(1)->setData(QVector<double>(xyH.first.begin(),xyH.first.end()), QVector<double>(xyH.second.begin(),xyH.second.end()));
     ui->diagHPlot->graph(0)->setPen(QPen(QColor(102,161,130), 2));
     ui->diagHPlot->replot();
-    ui->diagHPlot->rescaleAxes(true);
+    ui->diagTPlot->rescaleAxes(true);
     ui->diagHPlot->xAxis->setLabel("Beam");
     ui->diagHPlot->yAxis->setLabel("Axial force");
     ui->diagHPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
@@ -69,3 +77,26 @@ void DiagView::on_doubleSpinBox_valueChanged(double x)
     ui->momentIn->setText(QString::fromStdString(std::to_string(lCtx.pointM(x)*(-1))));
 }
 
+
+void DiagView::on_saveH_clicked()
+{
+    ui->diagHPlot->xAxis->setRange(-lCtx.beam.length*0.2, lCtx.beam.length*1.2);
+    ui->diagHPlot->yAxis->setRange(1.2 * yHmin, 1.2 * yHmax );
+    ui->diagHPlot->savePdf("axial.pdf", 600, 600, QCP::epNoCosmetic);
+}
+
+void DiagView::on_saveT_clicked()
+{
+    ui->diagTPlot->xAxis->setRange(-lCtx.beam.length*0.2, lCtx.beam.length*1.2);
+    ui->diagTPlot->yAxis->setRange(1.2 * yTmin, 1.2 * yTmax );
+    ui->diagTPlot->savePdf("shear.pdf", 600, 600, QCP::epNoCosmetic);
+
+}
+
+void DiagView::on_saveM_clicked()
+{
+    ui->diagMPlot->xAxis->setRange(-lCtx.beam.length*0.2, lCtx.beam.length*1.2);
+    ui->diagMPlot->yAxis->setRange(1.2 * yMmin, 1.2 * yMmax );
+    ui->diagMPlot->savePdf("moment.pdf", 600, 600, QCP::epNoCosmetic);
+}
+

diagview.h

@@ -21,8 +21,15 @@ class DiagView : public QDialog
 private slots:
     void on_doubleSpinBox_valueChanged(double arg1);
 
+    void on_saveH_clicked();
+
+    void on_saveT_clicked();
+
+    void on_saveM_clicked();
+
 private:
     Ui::DiagView *ui;
+    double yHmin, yHmax, yTmin, yTmax, yMmin, yMmax;
 };
 
 #endif // DIAGVIEW_H

diagview.ui

@@ -13,8 +13,8 @@
   <property name="windowTitle">
    <string>Diagrams</string>
   </property>
-  <layout class="QGridLayout" name="gridLayout">
-   <item row="0" column="0">
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <property name="sizeConstraint">
       <enum>QLayout::SetMaximumSize</enum>
@@ -51,7 +51,32 @@
      </item>
     </layout>
    </item>
-   <item row="1" column="0">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_3">
+     <item>
+      <widget class="QPushButton" name="saveH">
+       <property name="text">
+        <string>Save</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="saveT">
+       <property name="text">
+        <string>Save</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="saveM">
+       <property name="text">
+        <string>Save</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
     <layout class="QFormLayout" name="formLayout">
      <property name="sizeConstraint">
       <enum>QLayout::SetMinimumSize</enum>

easydiag.cpp

@@ -150,7 +150,7 @@ double Context::pointH(double x) {
         if (x == beam.length) {
             hValue -= hl.value;
         }
-        else if (hl.distance<x) {
+        else if (hl.distance<=x) {
             hValue -= hl.value;
         }
     }

mainwindow.cpp

@@ -128,12 +128,12 @@ void MainWindow::on_diagBtn_clicked()
 }
 
 
-void MainWindow::on_beamSpinBox_valueChanged(double arg1)
+void MainWindow::on_beamSpinBox_valueChanged(double bl)
 {
     if (ui->beamSpinBox->value() == 0) {
         QMessageBox::warning(this, "Warning", "The length of the beam must be greater than 0.", QMessageBox::Ok);
     } else {
-        b.length = ui->beamSpinBox->value();
+        b.length = bl;
         ui->pointLoadBtn->setEnabled(true);
         ui->distributedLoadBtn->setEnabled(true);
         ui->pointMomentBtn->setEnabled(true);
@@ -163,3 +163,37 @@ void MainWindow::on_clrPm_clicked()
     ui->pointMomentsTbl->setRowCount(0);
 }
 
+void MainWindow::on_clrPlSel_clicked()
+{
+    if (ui->pointLoadsTbl->selectedItems().empty()) {return;}
+
+    int selectedPl = ui->pointLoadsTbl->selectedItems()[0]->row();
+
+    if (ui->pointLoadsTbl->item(selectedPl, 2)->text() == "Horizontal") {
+        horizontalForces.erase(horizontalForces.begin() + selectedPl);
+    } else {
+        verticalForces.erase(verticalForces.begin() + selectedPl);
+    }
+
+    ui->pointLoadsTbl->removeRow(selectedPl);
+}
+
+void MainWindow::on_clrDlSel_clicked()
+{
+    if (ui->distributedLoadsTbl->selectedItems().empty()) {return;}
+    int selectedPl = ui->distributedLoadsTbl->selectedItems()[0]->row();
+    distributedLoads.erase(distributedLoads.begin() + selectedPl);
+    ui->distributedLoadsTbl->removeRow(selectedPl);
+}
+
+
+
+
+void MainWindow::on_clrPmSel_clicked()
+{
+    if (ui->pointMomentsTbl->selectedItems().empty()) {return;}
+    int selectedPl = ui->pointMomentsTbl->selectedItems()[0]->row();
+    pointMoments.erase(pointMoments.begin() + selectedPl);
+    ui->pointMomentsTbl->removeRow(selectedPl);
+}
+

mainwindow.h

@@ -36,6 +36,12 @@ private slots:
 
     void on_clrPm_clicked();
 
+    void on_clrPlSel_clicked();
+
+    void on_clrDlSel_clicked();
+
+    void on_clrPmSel_clicked();
+
 private:
     Ui::MainWindow *ui;
     PointLoadDialog *pldialog;