Method autoScaleFitCurveCalculation

tests/cartesianplot/CartesianPlotTest.cpp:966–1016

}

void CartesianPlotTest::autoScaleFitCurveCalculation() {
	Project project;

	auto* worksheet = new Worksheet(QStringLiteral("Worksheet"));
	project.addChild(worksheet);
	auto* view = dynamic_cast<WorksheetView*>(worksheet->view());
	QVERIFY(view != nullptr);
	view->initActions(); // needed by SET_CARTESIAN_MOUSE_MODE()

	auto* plot = new CartesianPlot(QStringLiteral("plot"));
	worksheet->addChild(plot);
	plot->setType(CartesianPlot::Type::TwoAxes); // Otherwise no axis are created
	plot->setNiceExtend(false);

	auto* equationCurve{new XYEquationCurve(QStringLiteral("f(x)"))};
	equationCurve->setCoordinateSystemIndex(plot->defaultCoordinateSystemIndex());
	plot->addChild(equationCurve);

	XYEquationCurve::EquationData data;
	data.min = QStringLiteral("0");
	data.max = QStringLiteral("1");
	data.count = 10;
	data.expression1 = QStringLiteral("x");
	equationCurve->setEquationData(data);
	equationCurve->recalculate();

	CHECK_RANGE(plot, equationCurve, Dimension::X, 0., 1.);
	CHECK_RANGE(plot, equationCurve, Dimension::Y, 0., 1.);

	auto* fitCurve = new XYFitCurve(QStringLiteral("Fit"));
	fitCurve->setCoordinateSystemIndex(plot->defaultCoordinateSystemIndex());
	plot->addChild(fitCurve);

	XYFitCurve::FitData f;
	f.autoRange = false;
	f.fitRange = Range<double>(0, 1);
	f.autoEvalRange = false;
	f.evalRange = Range<double>(0, 3); // larger than fit range
	f.modelCategory = nsl_fit_model_basic;
	f.modelType = nsl_fit_model_polynomial;
	f.degree = 1; // linear
	f.model = QStringLiteral("c0 + c1*x");
	fitCurve->initFitData(f); // Important, otherwise paramNames gets not filled
	fitCurve->setFitData(f);
	fitCurve->setDataSourceType(XYAnalysisCurve::DataSourceType::Curve);
	fitCurve->setDataSourceCurve(equationCurve);
	fitCurve->recalculate();

	CHECK_RANGE(plot, equationCurve, Dimension::X, 0., 3.);
	CHECK_RANGE(plot, equationCurve, Dimension::Y, 0., 3.);
}

void CartesianPlotTest::wheelEventCenterAxes() {
	Project project;