WIP: Working vtkChart example into radixwidgets.

radixwidgets/cmake/Dependencies.cmake

@@ -15,6 +15,7 @@ ENDIF()
 
 TRIBITS_PACKAGE_DEFINE_DEPENDENCIES(
    LIB_REQUIRED_TPLS ${QT_PACKAGES}
+   LIB_OPTIONAL_TPLS VTK
 )
 
 ##---------------------------------------------------------------------------##

radixwidgets/examples/CMakeLists.txt

@@ -21,6 +21,11 @@ ELSE()
    QT5_WRAP_CPP(QMOC_FILES3
        radixnumberpadwidget.hh
    )
+   IF(TPL_ENABLE_VTK)
+      QT5_WRAP_CPP(QMOC_FILES4
+         radixvtkchartwidget.hh
+      )
+   ENDIF()
 ENDIF()
 TRIBITS_ADD_EXECUTABLE(radixtabwidget
   NOEXEPREFIX
@@ -36,3 +41,11 @@ TRIBITS_ADD_EXECUTABLE(radixnumberpadwidget
   NOEXEPREFIX
   SOURCES radixnumberpadwidget.cc ${QMOC_FILES3}
 )
+
+IF(USE_QT5 AND TPL_ENABLE_VTK)
+MESSAGE("VTK_USE_FILE=${VTK_USE_FILE}")
+  TRIBITS_ADD_EXECUTABLE(radixvtkchartwidget
+    NOEXEPREFIX
+    SOURCES radixvtkchartwidget.cc ${QMOC_FILES4}
+  )
+ENDIF()

radixwidgets/examples/radixvtkchartwidget.cc

+/*
+ * @file:   radixvtkchartwidget.cc
+ * @author: Jordan P. Lefebvre, lefebvrejp@ornl.gov
+ */
+
+#include "vtkAutoInit.h"
+VTK_MODULE_INIT(vtkRenderingContextOpenGL2)
+VTK_MODULE_INIT(vtkRenderingOpenGL2)
+VTK_MODULE_INIT(vtkInteractionStyle)
+VTK_MODULE_INIT(vtkRenderingFreeType)
+
+#include "QVTKOpenGLWidget.h"
+#include "vtkChartXY.h"
+#include "vtkContextScene.h"
+#include "vtkContextView.h"
+#include "vtkFloatArray.h"
+#include "vtkGenericOpenGLRenderWindow.h"
+#include "vtkMath.h"
+#include "vtkNew.h"
+#include "vtkPlot.h"
+#include "vtkPlotHistogram2D.h"
+#include "vtkQtTableView.h"
+#include "vtkRenderWindowInteractor.h"
+#include "vtkRenderer.h"
+#include "vtkSmartPointer.h"
+#include "vtkTable.h"
+#include "vtkTimerLog.h"
+
+#include <QApplication>
+#include <QHBoxLayout>
+#include <QMainWindow>
+#include <QSurfaceFormat>
+#include <QWidget>
+
+#include <QApplication>
+#include <QGridLayout>
+#include <QHeaderView>
+#include <QLabel>
+#include <limits>
+#include "radixvtkchartwidget.hh"
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+  setGeometry(400, 250, 542, 390);
+  // needed to ensure appropriate OpenGL context is created for VTK rendering.
+  QSurfaceFormat::setDefaultFormat(QVTKOpenGLWidget::defaultFormat());
+
+  QVTKOpenGLWidget *qvtkWidget = new QVTKOpenGLWidget(this);
+
+  vtkNew<vtkGenericOpenGLRenderWindow> renderWindow;
+  qvtkWidget->SetRenderWindow(renderWindow);
+
+  // Set up my 2D world...
+  vtkNew<vtkContextView> view;  // This contains a chart object
+  view->SetRenderWindow(renderWindow);
+  view->SetInteractor(renderWindow->GetInteractor());
+
+  // Create a table with some points in it...
+  vtkNew<vtkTable> table;
+  vtkNew<vtkFloatArray> arrX;
+  arrX->SetName("X Axis");
+  table->AddColumn(arrX);
+  vtkNew<vtkFloatArray> arrC;
+  arrC->SetName("Cosine");
+  table->AddColumn(arrC);
+  vtkNew<vtkFloatArray> arrS;
+  arrS->SetName("Sine");
+  table->AddColumn(arrS);
+  vtkNew<vtkFloatArray> arrSum;
+  arrSum->SetName("Sum");
+  table->AddColumn(arrSum);
+
+  // Test charting with a few more points...
+  int numPoints = 29;
+  float inc     = 7.0 / (numPoints - 1);
+  table->SetNumberOfRows(numPoints);
+  for (int i = 0; i < numPoints; ++i)
+  {
+    table->SetValue(i, 0, i * inc);
+    table->SetValue(i, 1, std::cos(double(i * inc)));
+    table->SetValue(i, 2, std::sin(double(i * inc)));
+    table->SetValue(i, 3,
+                    std::fabs(std::sin(double(i * inc))) +
+                        std::fabs(std::cos(double(i * inc))));
+  }
+
+  //   table->Update();
+
+  // Add multiple line plots, setting the colors etc
+  vtkNew<vtkChartXY> chart;
+  chart->SetShowLegend(true);
+  view->GetScene()->AddItem(chart);
+  vtkPlot *line = chart->AddPlot(vtkChart::LINE);
+  line->SetInputData(table, 0, 1);  // x-axis and cos
+  line->SetColor(255, 0, 0, 255);
+  line->SetWidth(0.5);
+  line = chart->AddPlot(vtkChart::LINE);
+  line->SetInputData(table, 0, 2);  // x-axis and sin
+  line->SetColor(0, 255, 0, 255);
+  line->SetWidth(5.0);
+  line = chart->AddPlot(vtkChart::LINE);
+  line->SetInputData(table, 0, 3);  // x-axis and sum
+  line->SetColor(255, 0, 255, 255);
+  line->SetWidth(2.0);
+
+  // Now lets try to add a table view
+  QWidget *widget     = new QWidget(this);
+  QGridLayout *layout = new QGridLayout(widget);
+  layout->addWidget(qvtkWidget, 0, 0);
+  setCentralWidget(widget);
+}
+
+MainWindow::~MainWindow() {}
+
+/******************************************************************************/
+/******************************** MAIN PROGRAM ********************************/
+/******************************************************************************/
+
+int main(int argc, char **argv)
+{
+  QApplication app(argc, argv);
+  MainWindow mainWindow;
+  mainWindow.show();
+  mainWindow.raise();
+
+  return app.exec();
+}

radixwidgets/examples/radixvtkchartwidget.hh

+#ifndef RADIX_RADIXWIDGETS_EXAMPLE_RADIXVTKCHARTDWIDGET_HH_
+#define RADIX_RADIXWIDGETS_EXAMPLE_RADIXVTKCHARTDWIDGET_HH_
+
+#include <QMainWindow>
+
+namespace Ui
+{
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+  Q_OBJECT
+
+ private:
+
+ public:
+  explicit MainWindow(QWidget *parent = 0);
+  ~MainWindow();
+};
+
+#endif  // RADIX_RADIXWIDGETS_EXAMPLE_RADIXVTKCHARTDWIDGET_HH_