// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen // SPDX-License-Identifier: BSD-3-Clause #include "vtkAxis.h" #include "vtkChartXY.h" #include "vtkContextScene.h" #include "vtkContextView.h" #include "vtkFloatArray.h" #include "vtkPlot.h" #include "vtkRenderWindow.h" #include "vtkRenderWindowInteractor.h" #include "vtkSmartPointer.h" #include "vtkTable.h" //------------------------------------------------------------------------------ int TestPlotMatrix(int, char*[]) { // Set up a 2D scene, add an XY chart to it vtkSmartPointer view = vtkSmartPointer::New(); view->GetRenderWindow()->SetSize(400, 300); vtkSmartPointer chart = vtkSmartPointer::New(); view->GetScene()->AddItem(chart); // Create a table with some points in it... vtkSmartPointer table = vtkSmartPointer::New(); vtkSmartPointer arrX = vtkSmartPointer::New(); arrX->SetName("X Axis"); table->AddColumn(arrX); vtkSmartPointer arrC = vtkSmartPointer::New(); arrC->SetName("Cosine"); table->AddColumn(arrC); vtkSmartPointer arrS = vtkSmartPointer::New(); arrS->SetName("Sine"); table->AddColumn(arrS); vtkSmartPointer arrS2 = vtkSmartPointer::New(); 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, cos(i * inc) + 0.0); table->SetValue(i, 2, sin(i * inc) + 0.0); table->SetValue(i, 3, sin(i * inc) + 0.5); } // 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); // Set to fixes size, and resize to make it small. chart->SetAutoSize(false); chart->SetSize(vtkRectf(0.0, 0.0, 200.0, 150.0)); // Now Set up another plot with cos vtkSmartPointer chart2 = vtkSmartPointer::New(); view->GetScene()->AddItem(chart2); line = chart2->AddPlot(vtkChart::LINE); line->SetInputData(table, 0, 1); chart2->SetAutoSize(false); chart2->SetSize(vtkRectf(200.0, 0.0, 200.0, 150.0)); // Now Set up another plot with cos vtkSmartPointer chart3 = vtkSmartPointer::New(); view->GetScene()->AddItem(chart3); line = chart3->AddPlot(vtkChart::POINTS); line->SetInputData(table, 0, 1); chart3->SetAutoSize(false); chart3->SetSize(vtkRectf(0.0, 150.0, 200.0, 150.0)); // Now Set up another plot with cos vtkSmartPointer chart4 = vtkSmartPointer::New(); view->GetScene()->AddItem(chart4); line = chart4->AddPlot(vtkChart::BAR); line->SetInputData(table, 0, 1); chart4->GetAxis(vtkAxis::BOTTOM)->SetBehavior(vtkAxis::FIXED); chart4->GetAxis(vtkAxis::BOTTOM)->SetRange(0.0, 10.0); chart4->SetAutoSize(false); chart4->SetSize(vtkRectf(200.0, 150.0, 200.0, 150.0)); // Finally render the scene and compare the image to a reference image view->GetRenderWindow()->SetMultiSamples(0); view->GetInteractor()->Initialize(); view->GetInteractor()->Start(); return EXIT_SUCCESS; }