// 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 "vtkFloatingPointExceptions.h" #include "vtkMath.h" #include "vtkNew.h" #include "vtkPlot.h" #include "vtkRenderWindow.h" #include "vtkRenderWindowInteractor.h" #include "vtkTable.h" //------------------------------------------------------------------------------ int TestLinePlotDouble(int, char*[]) { // Thus test will cause floating point because it uses inf and nan for some // numbers vtkFloatingPointExceptions::Disable(); // 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 Axis"); table->AddColumn(arrX); vtkNew arrC; arrC->SetName("Cosine"); table->AddColumn(arrC); vtkNew arrS; arrS->SetName("Sine"); table->AddColumn(arrS); vtkNew arrS2; arrS2->SetName("Sine2"); 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) { table->SetValue(i, 0, i * inc); table->SetValue(i, 1, 1.0e-80 * cos(i * inc - 1.0) * 1.0e-8); table->SetValue(i, 2, 1.0e-80 * sin(i * inc) * 1.0e-8); table->SetValue(i, 3, 1.0e80 * sin(i * inc - 1.0)); } table->SetValue(66, 2, vtkMath::Nan()); table->SetValue(4, 3, vtkMath::Inf()); // Add multiple line plots, setting the colors etc vtkPlot* line = chart->AddPlot(vtkChart::LINE); line->SetInputData(table, 0, 1); line->SetColor(0, 255, 0, 255); line->SetWidth(1.0); line = chart->AddPlot(vtkChart::LINE); line->SetInputData(table, 0, 2); line->SetColor(255, 0, 0, 255); line->SetWidth(5.0); line = chart->AddPlot(vtkChart::LINE); line->SetInputData(table, 0, 3); line->SetColor(0, 0, 255, 255); line->SetWidth(4.0); chart->SetPlotCorner(line, 1); // Render the scene and compare the image to a reference image view->GetRenderWindow()->SetMultiSamples(0); view->GetInteractor()->Initialize(); view->GetInteractor()->Start(); return EXIT_SUCCESS; }