/*- ******************************************************************************* * Copyright (c) 2011, 2014 Diamond Light Source Ltd. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Matthew Gerring - initial API and implementation and/or initial documentation *******************************************************************************/ package org.eclipse.dawnsci.plotting.examples; import java.io.File; import java.util.Arrays; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.dawnsci.analysis.api.io.IDataHolder; import org.eclipse.dawnsci.plotting.api.PlotType; import org.eclipse.dawnsci.plotting.api.trace.ILineTrace; import org.eclipse.dawnsci.plotting.api.trace.ILineTrace.PointStyle; import org.eclipse.dawnsci.plotting.examples.util.BundleUtils; import org.eclipse.january.IMonitor; import org.eclipse.january.dataset.Dataset; import org.eclipse.january.dataset.DatasetFactory; import org.eclipse.january.dataset.IDataset; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; /** * A basic view which plots xy (1D) data. * * This view uses the services available from plotting.api and * analysis.io * * @author Matthew Gerring * */ public class XYExample extends PlotExample { public void createExampleContent(Composite parent) { try { // We create a basic plot system.createPlotPart(parent, "XY Example", getViewSite().getActionBars(), PlotType.XY, this); // We read an the CVS File final File loc = new File(BundleUtils.getBundleLocation(Activator.PLUGIN_ID), getFileName()); final IDataHolder dataHolder = service.getData(loc.getAbsolutePath(), new IMonitor.Stub()); // NOTE IMonitor is an alternative to IProgressMonitor which cannot be seen in the data layer. // Plot some data // Thread safe convenience method system.createPlot1D(null, Arrays.asList(dataHolder.getDataset(0), dataHolder.getDataset(1)), new NullProgressMonitor()); system.setXFirst(false); // Set the face that // Create, configure, add method // Another way of adding traces is like this: IDataset data = dataHolder.getDataset(2); // Get some data out of the CSV file data.setName("Frederick"); ILineTrace trace = system.createLineTrace(data.getName()); // We make some indices (null would also suffice because the trace can make the x values Dataset indices = DatasetFactory.createRange(data.getSize(), Dataset.INT32); // Transpose the x position a little for fun indices.iadd(5); // Configure the trace trace.setData(indices, data); trace.setTraceColor(Display.getDefault().getSystemColor(SWT.COLOR_DARK_RED)); trace.setLineWidth(2); trace.setPointStyle(PointStyle.XCROSS); trace.setPointSize(8); // The trace does not get plotted until we add it system.addTrace(trace); system.setTitle("XY Example"); } catch (Throwable ne) { ne.printStackTrace(); // Or your favourite logging. } } protected String getFileName() { return "metalmix.csv"; } }