// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen // SPDX-License-Identifier: BSD-3-Clause #include "vtkChartXY.h" #include "vtkContextScene.h" #include "vtkContextView.h" #include "vtkDoubleArray.h" #include "vtkMath.h" #include "vtkNew.h" #include "vtkPlot.h" #include "vtkRenderWindow.h" #include "vtkRenderWindowInteractor.h" #include "vtkSmartPointer.h" #include "vtkTable.h" #include "vtkAxis.h" //------------------------------------------------------------------------------ int TestChartDouble(int, char*[]) { // Set up a 2D scene, add an XY chart to it vtkNew view; view->GetRenderWindow()->SetSize(400, 300); vtkNew chart; view->GetScene()->AddItem(chart); // Create a table with some points in it... vtkNew table; vtkNew arrX; arrX->SetName("X"); table->AddColumn(arrX); vtkNew arrC; arrC->SetName("f1"); table->AddColumn(arrC); vtkNew arrS; arrS->SetName("f2"); table->AddColumn(arrS); vtkNew arrS2; arrS2->SetName("f3"); table->AddColumn(arrS2); // Test charting with a few more points... int numPoints = 69; float inc = 7.5 / (numPoints - 1); table->SetNumberOfRows(numPoints); for (int i = 0; i < numPoints; ++i) { double x(i * inc + 0.2); table->SetValue(i, 0, x); table->SetValue(i, 1, 1.0e-80 * (cos(x - 1.0) + sin(x - vtkMath::Pi() / 4.0))); table->SetValue(i, 2, 1.0e-80 * sin(x) * 1e-12); table->SetValue(i, 3, 1.0e-80 * sin(x - 1.0)); } // Add multiple line plots, setting the colors etc vtkPlot* line = chart->AddPlot(vtkChart::POINTS); line->SetInputData(table, 0, 1); line = chart->AddPlot(vtkChart::LINE); line->SetInputData(table, 0, 2); // Put this plot in a different corner - it is orders of magnitude smaller. chart->SetPlotCorner(line, 1); line = chart->AddPlot(vtkChart::BAR); line->SetInputData(table, 0, 3); chart->GetAxis(vtkAxis::LEFT)->SetTitle("A tiny range"); chart->GetAxis(vtkAxis::BOTTOM)->SetTitle("A normal range"); chart->GetAxis(vtkAxis::RIGHT)->SetTitle("An even tinier range"); // Render the scene and compare the image to a reference image view->GetRenderWindow()->SetMultiSamples(0); view->GetInteractor()->Initialize(); view->GetInteractor()->Start(); return EXIT_SUCCESS; }