package org.autoplot; import java.awt.Dimension; import java.awt.Graphics2D; import java.util.logging.Level; import java.util.logging.Logger; import org.das2.dataset.DataSet; import org.das2.dataset.TableDataSet; import org.das2.dataset.VectorDataSet; import org.das2.graph.DasCanvas; import org.das2.util.DasPNGConstants; import org.das2.util.DasPNGEncoder; import java.awt.Window; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.lang.reflect.InvocationTargetException; import java.net.URI; import java.net.URISyntaxException; import java.text.ParseException; import java.util.Date; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.concurrent.locks.Lock; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.SwingUtilities; import org.das2.DasApplication; import org.das2.util.awt.PdfGraphicsOutput; import org.das2.util.monitor.NullProgressMonitor; import org.jdesktop.beansbinding.AutoBinding.UpdateStrategy; import org.jdesktop.beansbinding.BeanProperty; import org.jdesktop.beansbinding.Binding; import org.jdesktop.beansbinding.Bindings; import org.python.core.PyJavaInstance; import org.autoplot.dom.Application; import org.autoplot.dom.DataSourceFilter; import org.autoplot.scriptconsole.ExitExceptionHandler; import org.das2.dataset.DataSetAdapter; import org.das2.datum.InconvertibleUnitsException; import org.das2.event.BoxRenderer; import org.das2.event.BoxSelectionEvent; import org.das2.event.BoxSelectionListener; import org.das2.event.BoxSelectorMouseModule; import org.das2.event.MouseModule; import org.das2.graph.DasPlot; import org.das2.util.awt.SvgGraphicsOutput; import org.das2.util.monitor.ProgressMonitor; import org.jdesktop.beansbinding.Converter; import org.python.core.Py; import org.python.core.PyFunction; import org.autoplot.ApplicationModel.ResizeRequestListener; import org.autoplot.datasource.AnonymousDataSource; import org.autoplot.dom.DomNode; import org.autoplot.dom.DomUtil; import org.autoplot.dom.Plot; import org.autoplot.dom.PlotElement; import org.autoplot.state.StatePersistence; import org.das2.qds.QDataSet; import org.autoplot.datasource.DataSetURI; import org.autoplot.datasource.DataSource; import org.autoplot.datasource.DataSourceFormat; import org.autoplot.datasource.FileSystemUtil; import org.autoplot.datasource.GuiUtil; import org.autoplot.datasource.URISplit; import org.das2.components.DataPointRecorder; import org.das2.graph.DasColorBar; import org.das2.graph.Painter; import org.das2.qds.DataSetOps; import org.das2.qds.DataSetUtil; import org.das2.qds.MutablePropertyDataSet; import org.das2.qds.ops.Ops; import org.das2.qstream.SimpleStreamFormatter; import org.das2.qstream.StreamException; import org.das2.util.filesystem.FileSystem; /** * ScriptContext provides the API to perform abstract functions with * the application. For example, * *
{@code
 ScriptContext.load('http://autoplot.org/data/somedata.dat')
 ScriptContext.writeToPdf('/tmp/foo.pdf')
 *}
* * @author jbf */ public class ScriptContext extends PyJavaInstance { private static final Logger logger= org.das2.util.LoggerManager.getLogger("autoplot.script"); private static final Logger resizeLogger= Logger.getLogger("autoplot.dom.canvas.resize"); private static ApplicationModel model = null; private static Application dom= null; /** * set up the uncaught exception handler for headless applications, like CreatePngWalk. */ private static void setUpHeadlessExceptionHandler() { Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { @Override public void uncaughtException(Thread t, Throwable e) { logger.log(Level.SEVERE, "runtime exception: " + e, e); if (e instanceof InconvertibleUnitsException) { // do nothing!!! this is associated with the state change. TODO: this should probably not be here, and it should be caught elsewhere. return; } model.getExceptionHandler().handleUncaught(e); } }); } /** * initialize the model and view. */ private static synchronized void maybeInitModel() { if (model == null) { model = new ApplicationModel(); model.setExceptionHandler( new ExitExceptionHandler() ); setUpHeadlessExceptionHandler(); model.addDasPeersToAppAndWait(); dom= model.getDocumentModel(); } if ( view!=null ) { if ( SwingUtilities.isEventDispatchThread() ) { if ( !view.isVisible() ) view.setVisible(true); } else { SwingUtilities.invokeLater( new Runnable() { @Override public void run() { if ( !view.isVisible() ) view.setVisible(true); } } ); } } } /** * set the current application for commands. For example, to * have two windows plotting data, you would: *
     * plot([1,2,3])
     * popup=newWindow('popup')
     * setWindow(popup)
     * plot([3,2,1])
     * 
* @param app the application * @see #setWindow(org.autoplot.ApplicationModel) * @see #newApplication(java.lang.String) */ public static synchronized void setApplication( AutoplotUI app ) { setApplicationModel(app.applicationModel); setView(app); appLookup.put( app.applicationModel, app ); } /** * reset the script focus to the default application. */ public static synchronized void setDefaultApplication() { setApplication(defaultApp); } /** * Set the application model. This is the simplest Autoplot implementation * existing, where there are no buttons, etc. * @param appm * @see #newWindow(java.lang.String) * @see #getWindow() which returns the current window. * @see #setApplication(org.autoplot.AutoplotUI) which creates another application. */ public static synchronized void setWindow( ApplicationModel appm ) { AutoplotUI app= appLookup.get(appm); if (app==null ) { view= null; } else { view= app; } setApplicationModel(appm); } /** * return the focus application. * @return the focus application. */ public static synchronized AutoplotUI getApplication() { return view; } /** * return the internal handle for the window and dom within. * @return the internal handle for the application. */ public static synchronized ApplicationModel getWindow() { return model; } private static final Map apps= new HashMap(); private static final Map applets= new HashMap(); private static final Map appLookup= new HashMap(); /** * get or create the application identified by the name. For example: *
     *ds= ripples(20,20)
     *plot( 0, ds )
     *sliceWindow= newApplication('slice')
     *setApplication(sliceWindow)
     *plot( slice0(ds,0) ) 
     * 
* Windows with this name will be reused. * @param id an identifier * @return the AutoplotUI. */ public static synchronized AutoplotUI newApplication( String id ) { AutoplotUI result= apps.get(id); if ( result!=null ) { if ( !AppManager.getInstance().isRunningApplication(result) ) { AutoplotUI app= apps.remove(id); //TODO: just listen for window events! appLookup.remove(app.applicationModel); result= null; } } if ( result==null ) { result= view.newApplication(); result.setApplicationName(id); apps.put(id,result); appLookup.put(result.applicationModel,result); } return result; } /** * create a new window with the given location and size. * @param id identifier for the window * @param width the canvas width * @param height the canvas height * @param x the window upper-left location, if possible * @param y the window upper-left location, if possible * @return a handle (do not use this object, code will break) for the window. * @see #setWindow(org.autoplot.ApplicationModel) */ public static synchronized ApplicationModel newWindow( final String id, int width, int height, int x, int y ) { ApplicationModel result= newWindow(id); Window window= SwingUtilities.getWindowAncestor(result.canvas); if ( window!=null ) { // assume it is fitted for now. This is a gross over simplification, not considering scroll panes, etc. Dimension windowDimension= window.getSize(); Dimension canvasDimension= model.canvas.getSize(); if ( Math.abs( windowDimension.width - canvasDimension.width )>100 || Math.abs( windowDimension.height - canvasDimension.height )>100 ) { window.setSize( width + 2, height + 29 ); // safety. Based on arbitrary window system (Gnome). } else { window.setSize( width + ( windowDimension.width - canvasDimension.width ), height + ( windowDimension.height - canvasDimension.height ) ); } window.setLocation( x, y ); } else { model.canvas.setSize(width,height); } return result; } /** * set the window location * @param x the window upper-left location, if possible * @param y the window upper-left location, if possible */ public static synchronized void setWindowLocation( int x, int y ) { Window window= SwingUtilities.getWindowAncestor( getWindow().getCanvas() ); if ( window!=null ) { // assume it is fitted for now. This is a gross over simplification, not considering scroll panes, etc. window.setLocation( x, y ); } else { } } /** * return a new Autoplot. * @param parent * @param title * @return */ public static synchronized ApplicationModel newDialogWindow( Window parent, final String title ) { final JDialog p= new JDialog(parent,title); ApplicationModel result= new ApplicationModel(); result.addDasPeersToApp(); if ( !DasApplication.getDefaultApplication().isHeadless() ) { p.getContentPane().add(result.canvas); p.pack(); p.setVisible(true); } result.setResizeRequestListener( new ResizeRequestListener() { @Override public double resize(int width, int height) { resizeLogger.log(Level.FINE, "resize1 ({0},{1})", new Object[]{width,height}); if ( p!=null ) { Dimension windowDimension= p.getSize(); Dimension canvasDimension= model.canvas.getSize(); p.setSize( width + ( windowDimension.width - canvasDimension.width ), height + ( windowDimension.height - canvasDimension.height ) ); } model.canvas.setSize(width,height); return 1.; } } ); return result; } /** * create a new window. * @param id identifier for the window * @return a handle (do not use this object, code will break) for the window. * @see #setWindow(org.autoplot.ApplicationModel) */ public static synchronized ApplicationModel newWindow( final String id ) { ApplicationModel result= applets.get(id); if ( result==null ) { result= new ApplicationModel(); result.addDasPeersToApp(); result.setName(id); applets.put(id,result); final JFrame j; if ( !DasApplication.getDefaultApplication().isHeadless() ) { j= new JFrame(id); j.setIconImage( AutoplotUtil.getAutoplotIcon() ); j.getContentPane().add(result.canvas); j.pack(); j.setVisible(true); j.addWindowListener(new WindowListener() { @Override public void windowOpened(WindowEvent e) { } @Override public void windowClosing(WindowEvent e) { applets.remove(id); } @Override public void windowClosed(WindowEvent e) { applets.remove(id); } @Override public void windowIconified(WindowEvent e) { } @Override public void windowDeiconified(WindowEvent e) { } @Override public void windowActivated(WindowEvent e) { } @Override public void windowDeactivated(WindowEvent e) { } }); } else { j= null; } result.setResizeRequestListener( new ResizeRequestListener() { @Override public double resize(int width, int height) { resizeLogger.log(Level.FINE, "resize2 ({0},{1})", new Object[]{width,height}); if ( j!=null ) { Dimension windowDimension= j.getSize(); Dimension canvasDimension= model.canvas.getSize(); j.setSize( width + ( windowDimension.width - canvasDimension.width ), height + ( windowDimension.height - canvasDimension.height ) ); } model.canvas.setSize(width,height); return 1.; } } ); } return result; } /** * set the focus for scripts. * @param m the application model. * @see setWindow, which should be used instead. */ public static void setApplicationModel(ApplicationModel m) { model = m; dom= m.getDocumentModel(); } private static AutoplotUI view = null; /** * keep track of the default application. */ private static AutoplotUI defaultApp= null; // kludge to get the first. /** * set the default application. Jython codes should not call this. * @param app */ protected static void _setDefaultApp( AutoplotUI app ) { defaultApp= app; appLookup.put( app.applicationModel, app); } private static synchronized void maybeInitView() { maybeInitModel(); if (view == null) { Runnable run= new Runnable() { @Override public void run() { view = new AutoplotUI(model); view.setVisible(true); defaultApp= view; } }; if ( SwingUtilities.isEventDispatchThread() ) { run.run(); } else { try { SwingUtilities.invokeAndWait(run); } catch (InterruptedException | InvocationTargetException ex) { logger.log(Level.SEVERE, ex.getMessage(), ex); } } } view.setMessage( AutoplotUI.READY_MESSAGE ); } /** * Used by AutoplotUI to set the view. * @param v the new view. */ protected static void setView(AutoplotUI v) { view = v; } /** * return the Window for the application, to be used for dialogs. * See createGui(), which creates the view. * @return */ public static Window getViewWindow() { return view; } private static OutputStream out = System.out; /** * resets the output stream. This method is used internally, do not use * this routine. * @param out */ public static void _setOutputStream(OutputStream out) { ScriptContext.out = out; } /** * set the size of the canvas. This is only used when the GUI is not used, and in * headless mode, otherwise the GUI controls the size of the canvas. * * @param width the width of the canvas * @param height the height of the canvas */ public static void setCanvasSize( final int width, final int height) { maybeInitModel(); Runnable run= new Runnable() { @Override public void run() { model.setCanvasSize(width, height); model.getDocumentModel().getCanvases(0).setSize(width,height); } }; if ( SwingUtilities.isEventDispatchThread() ) { run.run(); } else { try { SwingUtilities.invokeAndWait(run); } catch (InterruptedException | InvocationTargetException ex) { Logger.getLogger(ScriptContext.class.getName()).log(Level.SEVERE, null, ex); } } } /** * set the internal model's url to surl. The data set will be loaded, * and writeToPng and writeToSvg can be used in headless mode. * @param surl * @Deprecated use plot instead; */ public static void setDataSourceURL(String surl) { model.setDataSourceURL(surl); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * bring up the autoplot with the specified URL. Note the URI is resolved * asynchronously, so errors thrown during the load cannot be caught here. * See getDataSet to load data synchronously. * @param suri a URI or vap file */ public static void plot(String suri) { maybeInitModel(); if ( view!=null && view.isExpertMode() ) { view.dataSetSelector.setValue(suri); } model.resetDataSetSourceURL(suri, new NullProgressMonitor()); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * plot one URI against another. No synchronization is done, so beware. * Introduced for testing non-time axis TSBs. * @param surl1 the independent variable dataset (generally used for X) * @param surl2 the dependent variable dataset (generally used for Y, but can be rank 2). */ public static void plot(String surl1, String surl2) { maybeInitModel(); if ( surl1.endsWith(".vap") || surl1.contains(".vap?") ) { throw new IllegalArgumentException("cannot load vap here in two-argument plot"); } else { DataSourceFilter dsf= model.getDocumentModel().getDataSourceFilters(0); List pes= dom.getController().getPlotElementsFor(dsf); PlotElement pe; if ( pes.size()>0 ) pe= pes.get(0); else pe=null; Plot p= pe==null ? dom.getPlots(0) : dom.getController().getPlotFor(pe); dom.getController().doplot( p, pe, surl1, surl2 ); } if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * bring up the autoplot with the specified URL. * @param chNum the data source number to reset the URI. * @param surl a URI to use */ public static void plot(int chNum, String surl) { maybeInitModel(); model.setDataSet( chNum, null, surl ); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * bring up the plot with the specified URI. * @param chNum the data source number to reset the URI. * @param label for the plot. * @param surl a URI to use */ public static void plot(int chNum, String label, String surl) { maybeInitModel(); model.setDataSet( chNum, label, surl ); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * plot the dataset in the first dataSource node. * @param ds QDataSet to plot */ public static void plot(QDataSet ds) { plot( 0, (String)null, ds ); } /** * plot the dataset in the first dataSource node. * @param x QDataSet for the independent parameter * @param y QDataSet for the dependent parameter */ public static void plot( QDataSet x, QDataSet y ) { plot( 0, (String)null, x, y ); } /** * plot the dataset in the first dataSource node. * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values * @param z Rank 1 or Rank 2 QDataSet for the dependent parameter */ public static void plot( QDataSet x, QDataSet y, QDataSet z ) { plot( 0, (String)null, x, y, z ); } /** * plot the dataset in the specified dataSource node. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param ds dataset to plot. */ public static void plot( int chNum, QDataSet ds) { plot( chNum, (String)null, ds ); } /** * plot the dataset in the specified dataSource node. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values */ public static void plot( int chNum, QDataSet x, QDataSet y ) { plot( chNum, (String)null, x, y ); } /** * plot the dataset in the specified dataSource node. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values * @param z Rank 1 or Rank 2 QDataSet for the dependent parameter */ public static void plot( int chNum, QDataSet x, QDataSet y, QDataSet z ) { plot( chNum, (String)null, x, y, z ); } /** * returns a color table * using QDataSets as inputs to make it easier to use in scripts. * * @param name the name for the colortable * @param index control points for the colors, or None * @param rgb dataset of ds[N,3] where N is the number of colors * @return object representing the color table. * @see rgbColorDataset */ public static DasColorBar.Type makeColorTable( String name, QDataSet index, QDataSet rgb ) { boolean implicitWarn= false; if ( index==null ) { index= Ops.indgen(rgb.length()); implicitWarn= true; } int[] iindex= new int[index.length()]; int[] red= new int[rgb.length()]; int[] green= new int[rgb.length()]; int[] blue= new int[rgb.length()]; int bottom= 0; int top= 0; for ( int i=0; i254 ) { if ( implicitWarn ) { throw new IllegalArgumentException("no more than 254 colors."); } else { throw new IllegalArgumentException("the top index must be less than 254."); } } int[] tt= DasColorBar.Type.makeColorTable( iindex, red, green, blue, top, bottom, top ); return new DasColorBar.Type( name, tt ); } private static MutablePropertyDataSet ensureMutable( QDataSet ds ) { if ( ds==null ) return null; if ( DataSetUtil.isQube(ds) ) { if ( ds instanceof MutablePropertyDataSet ) { MutablePropertyDataSet mpds= (MutablePropertyDataSet)ds; if ( mpds.isImmutable() ) { return DataSetOps.makePropertiesMutable(mpds); } else { return mpds; // TODO: make sure that plot doesn't mutate } } else { return DataSetOps.makePropertiesMutable(ds); } } else { if ( ds instanceof MutablePropertyDataSet ) { MutablePropertyDataSet mpds= (MutablePropertyDataSet)ds; if ( mpds.isImmutable() ) { return DataSetOps.makePropertiesMutable(mpds); } else { return mpds; // TODO: make sure that plot doesn't mutate } } else { return DataSetOps.makePropertiesMutable(ds); } } } private static void ensureImmutable( QDataSet ... dss ) { for ( QDataSet ds: dss ) { if ( ds==null ) continue; if ( ds instanceof MutablePropertyDataSet ) { MutablePropertyDataSet mpds= (MutablePropertyDataSet)ds; if ( !mpds.isImmutable() ) { mpds.makeImmutable(); } } } } /** * bring up the autoplot with the dataset * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the plot dependent parameter * @param ds the dataset to use. */ public static void plot( int chNum, String label, QDataSet ds) { maybeInitModel(); MutablePropertyDataSet yds= ensureMutable(ds); model.setDataSet( chNum, label, yds ); ensureImmutable(ds); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * plot the dataset in the specified dataSource node. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the plot dependent parameter * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values */ public static void plot( int chNum, String label, QDataSet x, QDataSet y ) { plot( chNum, label, x, y, (String)null ); } /** * plot the dataset in the specified dataSource node. Note this should not * be called from the event thread. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the plot dependent parameter * @param x QDataSet for the independent parameter for the X values, or null. * @param y QDataSet for the independent parameter for the Y values, or null. * @param renderType string explicitly controlling the renderType and hints. */ public static void plot( int chNum, String label, QDataSet x, QDataSet y, String renderType ) { plot( chNum, label, x, y, renderType, true ); } /** * plot the dataset in the specified dataSource node. Note this should not * be called from the event thread. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the plot dependent parameter * @param x QDataSet for the independent parameter for the X values, or null. * @param y QDataSet for the independent parameter for the Y values, or null. * @param renderType string explicitly controlling the renderType and hints. * @param reset reset by autoranging, autolabelling, etc. */ public static void plot( int chNum, String label, QDataSet x, QDataSet y, String renderType, boolean reset ) { maybeInitModel(); if ( x==null && renderType==null ) { model.setDataSet( chNum, label, y, reset ); } else { QDataSet xds= x; MutablePropertyDataSet yds= ensureMutable(y); if ( xds!=null && yds!=null ) { if ( yds.rank()==0 ) { yds.putProperty( QDataSet.CONTEXT_0,xds ); } else { yds.putProperty( QDataSet.DEPEND_0,xds ); } } if ( ( yds!=null ) && ( xds!=null || renderType!=null ) ) yds.putProperty( QDataSet.RENDER_TYPE, renderType ); // plot command calls this with all-null arguments, and we don't when RENDER_TYPE setting to be nulled. model.setDataSet( chNum, label, yds); } ensureImmutable(x,y); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * plot the dataset in the specified dataSource node. * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the plot dependent parameter * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values * @param z Rank 1 or Rank 2 QDataSet for the dependent parameter */ public static void plot( int chNum, String label, QDataSet x, QDataSet y, QDataSet z ) { maybeInitModel(); QDataSet xds= x; if ( z==null ) throw new IllegalArgumentException("z is null"); if ( z.rank()==1 ) { QDataSet zds= z; MutablePropertyDataSet yds= ensureMutable(y); if ( yds==null ) throw new IllegalArgumentException("y is null"); yds.putProperty( QDataSet.DEPEND_0, xds ); yds.putProperty( QDataSet.PLANE_0, zds ); model.setDataSet(chNum, label, yds); } else { QDataSet yds= y; MutablePropertyDataSet zds= ensureMutable(z); if ( xds!=null ) zds.putProperty( QDataSet.DEPEND_0, xds ); if ( yds!=null ) zds.putProperty( QDataSet.DEPEND_1, yds ); model.setDataSet(chNum, label, zds); } ensureImmutable(x,y,z); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * plot the dataset in the specified dataSource node, using the render type * specified. The renderType parameter is a string identifier, and currently the following are * used: digital spectrogram nnSpectrogram hugeScatter series scatter colorScatter stairSteps * fillToZero digital image pitchAngleDistribution eventsBar vectorPlot orbitPlot contour *
{@code
     *plot( 0, 'label', findgen(20), ripples(20), ripples(20), 'digital' )
     *from org.autoplot import RenderType
     *plot( 0, 'label', findgen(20), ripples(20), ripples(20), RenderType.digital.toString() )
     *}
* * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the dependent parameter * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values * @param z Rank 1 or Rank 2 QDataSet for the dependent parameter, or null. * @param renderType hint at the render type to use, such as "nnSpectrogram" or "digital", */ public static void plot( int chNum, String label, QDataSet x, QDataSet y, QDataSet z, String renderType ) { maybeInitModel(); QDataSet xds= x; MutablePropertyDataSet zds= ensureMutable(z); if ( zds==null ) { MutablePropertyDataSet yds= ensureMutable(y); if ( yds==null ) throw new IllegalArgumentException("y cannot be null if z is null"); yds.putProperty( QDataSet.RENDER_TYPE, renderType ); yds.putProperty( QDataSet.DEPEND_0, xds ); model.setDataSet(chNum, label, yds); } else if ( zds.rank()==1 ) { MutablePropertyDataSet yds= ensureMutable(y); if ( yds==null ) throw new IllegalArgumentException("y cannot be null if z is null"); yds.putProperty( QDataSet.RENDER_TYPE, renderType ); yds.putProperty( QDataSet.DEPEND_0, xds ); yds.putProperty( QDataSet.PLANE_0, zds ); model.setDataSet(chNum, label, yds); } else { QDataSet yds= y; zds.putProperty( QDataSet.RENDER_TYPE, renderType ); if ( x!=null ) zds.putProperty( QDataSet.DEPEND_0, xds ); if ( y!=null ) zds.putProperty( QDataSet.DEPEND_1, yds ); model.setDataSet(chNum, label, zds); } ensureImmutable(x,y,z); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * plot the dataset in the specified dataSource node, using the render type * specified. The renderType parameter is a string identifier, and currently the following are * used: digital spectrogram nnSpectrogram hugeScatter series scatter colorScatter stairSteps * fillToZero digital image pitchAngleDistribution eventsBar vectorPlot orbitPlot contour *
{@code
     *plot( 0, 'label', findgen(20), ripples(20), ripples(20), 'digital' )
     *from org.autoplot import RenderType
     *plot( 0, 'label', findgen(20), ripples(20), ripples(20), RenderType.digital.toString() )
     *}
* * @param chNum the plot to use. Plots and plot elements are added as necessary to plot the data. * @param label the label for the dependent parameter * @param x QDataSet for the independent parameter for the X values * @param y QDataSet for the independent parameter for the Y values * @param z Rank 1 or Rank 2 QDataSet for the dependent parameter, or null. * @param renderType hint at the render type to use, such as "nnSpectrogram" or "digital", * @param reset reset by autoranging, autolabelling, etc. */ public static void plot( int chNum, String label, QDataSet x, QDataSet y, QDataSet z, String renderType, boolean reset ) { maybeInitModel(); QDataSet xds= x; MutablePropertyDataSet zds= ensureMutable(z); if ( zds==null ) { MutablePropertyDataSet yds= ensureMutable(y); if ( yds==null ) throw new IllegalArgumentException("y cannot be null if z is null"); yds.putProperty( QDataSet.RENDER_TYPE, renderType ); yds.putProperty( QDataSet.DEPEND_0, xds ); model.setDataSet(chNum, label, yds, reset); } else if ( zds.rank()==1 ) { MutablePropertyDataSet yds= ensureMutable(y); if ( yds==null ) throw new IllegalArgumentException("y cannot be null if z is null"); yds.putProperty( QDataSet.RENDER_TYPE, renderType ); yds.putProperty( QDataSet.DEPEND_0, xds ); yds.putProperty( QDataSet.PLANE_0, zds ); model.setDataSet(chNum, label, yds, reset); } else { QDataSet yds= y; zds.putProperty( QDataSet.RENDER_TYPE, renderType ); if ( x!=null ) zds.putProperty( QDataSet.DEPEND_0, xds ); if ( y!=null ) zds.putProperty( QDataSet.DEPEND_1, yds ); model.setDataSet(chNum, label, zds, reset); } ensureImmutable(x,y,z); if ( !SwingUtilities.isEventDispatchThread() ) model.waitUntilIdle(); } /** * "overplot" by adding another PlotElement to the plot and setting the data to this PlotElement. * @param chNum the focus * @return the channel number for the new plot element. * @see #setLayout(int, int) */ public static int addPlotElement( int chNum ) { maybeInitModel(); DataSourceFilter dsf= dom.getDataSourceFilters(chNum); List pes= dom.getController().getPlotElementsFor(dsf); if ( pes.isEmpty() ) throw new IllegalArgumentException("nothing plotted that is listening to this channel number."); String plotId= pes.get(0).getPlotId(); Plot plot= (Plot)DomUtil.getElementById( dom, plotId ); PlotElement pe= dom.getController().addPlotElement( plot, null, null ); // we've added a new DataSourceFilter (and channel number), so identify this. dsf= dom.getController().getDataSourceFilterFor(pe); // figure out the channel number. int newChNum=-1; DataSourceFilter[] dsfs= dom.getDataSourceFilters(); for ( int i=0; i
{@code
def boxLookup( evt ):
    showMessageDialog( "start: (%s,%s)
finish: (%s,%s)" % ( evt.getStartX(), evt.getStartY(), evt.getFinishX(), evt.getFinishY() ) ) addMouseModule( dom.plots[0], 'Box Lookup', boxLookup ) *}
* @param plot the plot which will receive the events. * @param label a label for the mouse module. * @param listener the PyFunction to call with new events. * @return the mouse module. * @see org.das2.event.MouseModule#setDragRenderer(org.das2.event.DragRenderer) setDragRenderer to see how to set how feedback can be provided. * @see org.das2.event.BoxSelectionEvent BoxSelectionEvent for the methods of the event. * */ public static MouseModule addMouseModule( Plot plot, String label, final PyFunction listener ) { DasPlot p= plot.getController().getDasPlot(); BoxSelectorMouseModule mm= new BoxSelectorMouseModule( p, p.getXAxis(), p.getYAxis(), null, new BoxRenderer(p), label ); BoxSelectionListener bsl= new BoxSelectionListener() { @Override public void boxSelected(BoxSelectionEvent e) { listener.__call__(Py.java2py(e)); } }; mm.addBoxSelectionListener(bsl); p.getDasMouseInputAdapter().setPrimaryModule(mm); return mm; } /** * add code that will paint custom graphics on the canvas or on a plot. * The command will be invoked after all other painting is done, making * the decoration to be on top. Note plots can only have one decoration, * and the Canvas can have any number. Calling reset() will remove all * decorations. *
{@code
def paint(g):
    for i in xrange(0,1000,100):
        g.drawOval(500-i/2,500-i/2,i,i)

addTopDecoration( dom.canvases[0], paint )
     *}
* @param node the plot or canvas over which to plot * @param painter the PyFunction to call when painting * @see https://github.com/autoplot/dev/blob/master/demos/2020/20200229/demoAddBottomDecoration.jy * */ public static void addTopDecoration( DomNode node, final PyFunction painter ) { if ( !( node instanceof Plot ) && ! ( node instanceof org.autoplot.dom.Canvas ) ) { throw new IllegalArgumentException("first argument must be plot or canvas"); } if ( node instanceof Plot ) { final Plot p= (Plot)node; Painter thep= new Painter() { @Override public void paint(Graphics2D g) { painter.__call__(Py.java2py(g)); } }; p.getController().getDasPlot().setTopDecorator(thep); } else if ( node instanceof org.autoplot.dom.Canvas ) { final org.autoplot.dom.Canvas c= (org.autoplot.dom.Canvas)node; Painter thep= new Painter() { @Override public void paint(Graphics2D g) { painter.__call__(Py.java2py(g)); } }; c.getController().getDasCanvas().addTopDecorator(thep); } } /** * add code that will paint custom graphics on the canvas or on a plot. * The command will be invoked after all other painting is done, making * the decoration to be on top. Note plots can only have one decoration, * and the Canvas can have any number. Calling reset() will remove all * decorations. *
{@code
def paint(g):
    g.color= Color.BLUE
    for i in xrange(0,1000,100):
        g.drawOval(500-i/2,500-i/2,i,i)

addBottomDecoration( dom.canvases[0], paint )
     *}
* @param node the plot or canvas over which to plot * @param painter the PyFunction to call when painting * @see https://github.com/autoplot/dev/blob/master/demos/2020/20200229/demoAddBottomDecoration.jy * */ public static void addBottomDecoration( DomNode node, final PyFunction painter ) { if ( !( node instanceof Plot ) && ! ( node instanceof org.autoplot.dom.Canvas ) ) { throw new IllegalArgumentException("first argument must be plot or canvas"); } if ( node instanceof Plot ) { final Plot p= (Plot)node; Painter thep= new Painter() { @Override public void paint(Graphics2D g) { painter.__call__(Py.java2py(g)); } }; p.getController().getDasPlot().setBottomDecorator(thep); } else if ( node instanceof org.autoplot.dom.Canvas ) { final org.autoplot.dom.Canvas c= (org.autoplot.dom.Canvas)node; Painter thep= new Painter() { @Override public void paint(Graphics2D g) { painter.__call__(Py.java2py(g)); } }; c.getController().getDasCanvas().addBottomDecorator(thep); } } /** * return a component which can be used to accumulate data. This is typically * inserted into its own tab with the addTab command. This is set to * sort data in X as it comes in, and this can be disabled with setSorted(False) *
{@code
     *dpr= createDataPointRecorder()
     *addTab( 'digitizer', dpr )
     *}
* * @return a new DataPointRecorder. * @see DataPointRecorder * @see https://github.com/autoplot/dev/blob/master/demos/digitizers/createDataPointRecorder.jy * */ public static DataPointRecorder createDataPointRecorder( ) { DataPointRecorder result= new DataPointRecorder(true); JButton button= new JButton( "Export Data..."); DataSource dss= new AnonymousDataSource() { @Override public QDataSet getDataSet(ProgressMonitor mon) throws Exception { return result.getDataPoints(); } }; button.setAction( ExportDataPanel.createExportDataAction( result, dss ) ); result.addAccessory( button ); return result; } /** * return a new dom in a minimal Autoplot application. Use result.getCanvas() * to get the DasCanvas which can be added to other components. *
{@code
     *report= createApplicationModel()
     *addTab( 'report', report.canvas )
     *report.setDataSet(linspace(0,1,101))
     *}
* @param id * @return */ public static ApplicationModel createApplicationModel( final String id ) { ApplicationModel result= applets.get(id); if ( result==null ) { result= new ApplicationModel(); result.addDasPeersToApp(); result.setName(id); applets.put(id,result); } return result; } /** * set the Autoplot status bar string. Use the prefixes "busy:", "warning:" * and "error:" to set icons. * @param message * @see #showMessageDialog(java.lang.String) */ public static void setStatus( String message ) { dom.getController().setStatus(message); } /** * show a popup that you know the user will see. Note HTML code will work. * @param message */ public static void alert( String message ) { String m= message; int messageType= JOptionPane.INFORMATION_MESSAGE; if ( m.startsWith("warning:") ){ m= m.substring(8).trim(); messageType= JOptionPane.WARNING_MESSAGE; } JOptionPane.showMessageDialog( view, m, "Message", messageType ); dom.getController().setStatus("warning: "+m); } /** * show a popup to the scientist, which they must acknowledge before this * returns. * @param message, possibly containing HTML. * @see #setStatus(java.lang.String) */ public static void showMessageDialog( String message ) { if ( message.split("\n").length>15 ) { JScrollPane pane= new JScrollPane( new JTextArea(message) ); pane.setPreferredSize( new Dimension(800,600) ); pane.setMaximumSize( new Dimension(800,600) ); JOptionPane.showMessageDialog( view, pane ); } else { JOptionPane.showMessageDialog( view, message ); } } /** * add a tab to the running application. A new tab will be added with the * label, with the component added within a scroll pane. * @param label the label for the component. * @param c the component to add. * @see AutoplotUI#setLeftPanel(javax.swing.JComponent) setLeftPanel which adds to the GUI */ public static void addTab( final String label, final JComponent c ) { Runnable run= new Runnable() { @Override public void run() { maybeInitView(); int n= view.getTabs().getComponentCount(); for ( int i=0; i
{@code
     *    in: file://tmp/data/autoplot.png
     *   out: /tmp/data/autoplot.png
     *    in: test016_006.png
     *   out: test016_006.png
     *    in: http://autoplot.org/data/
     *    throws IllegalArgumentException
     *    in: file://tmp/data/autoplot.xls?sheet=sheet1
     *   out: /tmp/data/autoplot.xls?sheet=sheet1
     *    in: /tmp/has spaces.png
     *   out: /tmp/has spaces.png
     *    in: C:\Users\Documents and Settings\
     *   out: C:\Users\Documents and Settings\
     *}
* @param filename like "file:/tmp/data/autoplot.png" * @return "/tmp/data/autoplot.png" * @throws IllegalArgumentException if the filename reference is not a local reference. */ private static String getLocalFilename( String filename ) { String fp; String qp=null; // query part int iq= filename.indexOf('?'); if ( iq>-1 ) { fp = filename.substring(0,iq); qp= filename.substring(iq); } else { fp= filename; } if ( filename.contains("/") || filename.contains("\\") ) { URISplit split= URISplit.parse(filename); if ( !split.scheme.equals("file") ) { throw new IllegalArgumentException("cannot write to "+filename+ " because it must be local file"); } if ( fp.startsWith("file:") ) { filename= split.file.substring(split.scheme.length()+1); //TODO: this is sloppy. if ( split.params!=null ) { filename= filename + "?"+ split.params; } if ( filename.startsWith("///" ) ) filename= filename.substring(2); return filename; } else { if ( qp!=null ) { return fp + qp; } else { return fp; } } } else { String pwd= new File("").getAbsolutePath(); return pwd + File.separator + filename; } } /** * write out the current canvas to a png file. * TODO: bug 557: this has issues with the size. It's coded to get the size from * the DOM, but if it is fitted and has a container it must get size from * the container. Use writeToPng( filename, width, height ) instead for now. * See writeToPdf(String filename), which appears to have a fix for this that * would affect how this is resolved. * Note for relative references, this will use the Java process present working directory (PWD) instead * of the PWD variable found in scripts * @param filename The name of a local file * @throws java.io.IOException */ public static void writeToPng(String filename) throws IOException { setStatus("writing to "+filename); if ( !( filename.endsWith(".png") || filename.endsWith(".PNG") ) ) { filename= filename + ".png"; } filename= getLocalFilename(filename); waitUntilIdle(); int width= model.getDocumentModel().getCanvases(0).getWidth(); int height= model.getDocumentModel().getCanvases(0).getHeight(); logger.log(Level.FINER, "writeToPng {0} by {1} {2}", new Object[]{width, height, filename}); writeToPng( filename, width, height ); File f= new File(filename); setStatus("wrote to "+f.getAbsolutePath()); } private static void maybeMakeParent( String filename ) throws IOException { filename= getLocalFilename(filename); File file= new File(filename); File parentFile= file.getParentFile(); if ( parentFile!=null ) { // relative filenames are okay. if ( !parentFile.exists() ) { if ( !parentFile.mkdirs() ) { throw new IOException( "unable to mkdir: "+file.getParentFile() ); } } } } /** * The name of the script which results in the image, optionally with its arguments. * @see org.das2.util.DasPNGConstants */ public static String PNG_KEY_SCRIPT="AutoplotScriptURI"; /** * The Autoplot .vap file which results in the image, optionally with "?" and modifiers. * @see org.das2.util.DasPNGConstants */ public static String PNG_KEY_VAP="AutoplotVap"; /** * The Autoplot URI which results in the image. * @see org.das2.util.DasPNGConstants */ public static String PNG_KEY_URI="AutoplotURI"; /** * write out the current canvas to a png file. * TODO: bug 557: this has issues with the size. It's coded to get the size from * the DOM, but if it is fitted and has a container it must get size from * the container. User writeToPng( filename, width, height ) instead for now. * See writeToPdf(String filename), which appears to have a fix for this that * would affect how this is resolved. * Note for relative references, this will use the Java process present working directory (PWD) instead * of the PWD variable found in scripts * @param filename The name of a local file * @param width the width in pixels of the png * @param height the height in pixels of the png * @throws java.io.IOException */ public static void writeToPng( String filename, int width, int height ) throws IOException { filename= getLocalFilename(filename); BufferedImage image = model.canvas.getImage( width, height ); Logger llogger= Logger.getLogger("autoplot.scriptcontext.writeToPng"); llogger.log(Level.FINE, "writeToPng({0},{1},{2})->{3},{4} image.", new Object[]{filename, width, height, image.getWidth(), image.getHeight()}); Map meta= new LinkedHashMap<>(); meta.put( DasPNGConstants.KEYWORD_SOFTWARE, "Autoplot" ); meta.put( DasPNGConstants.KEYWORD_PLOT_INFO, model.canvas.getImageMetadata() ); writeToPng( image, filename, meta ); } /** * write out the current canvas to a png file, using the given size and also insert * additional metadata. * Note for relative references, this will use the Java process present working directory (PWD) instead * of the PWD variable found in scripts * @param filename The name of a local file * @param width the width in pixels of the png * @param height the height in pixels of the png * @param metadata if non-null, then write name/values pairs into the PNG Metadata. "Creation Time", "Software" and "plotInfo" is always added. * @see * @throws java.io.IOException */ public static void writeToPng( String filename, int width, int height, Map metadata ) throws IOException { filename= getLocalFilename(filename); BufferedImage image = model.canvas.getImage( width, height ); Logger llogger= Logger.getLogger("autoplot.scriptcontext.writeToPng"); llogger.log(Level.FINE, "writeToPng({0},{1},{2})->{3},{4} image.", new Object[]{filename, width, height, image.getWidth(), image.getHeight()}); Map meta= new LinkedHashMap<>(); meta.putAll(metadata); meta.put( DasPNGConstants.KEYWORD_SOFTWARE, "Autoplot" ); meta.put( DasPNGConstants.KEYWORD_PLOT_INFO, model.canvas.getImageMetadata() ); writeToPng( image, filename, meta ); } /** * See also writeToPng( OutputStream out ) * @param image the image to write out. * @param filename the name of the output file. * @param metadata if non-null, then write name/values pairs into the PNG Metadata. "Creation Time" is always added. http://englishjavadrinker.blogspot.com/2010/09/png-keywords_12.html * @throws IOException */ public static void writeToPng( BufferedImage image, String filename, Map metadata ) throws IOException { logger.log(Level.CONFIG, "writeToPng(image,{0},metadata)", new Object[]{filename}); if ( !( filename.endsWith(".png") || filename.endsWith(".PNG") ) ) { filename= filename + ".png"; } filename= getLocalFilename(filename); waitUntilIdle(); maybeMakeParent(filename); final FileOutputStream out1 = new FileOutputStream(filename); DasPNGEncoder encoder = new DasPNGEncoder(); encoder.addText(DasPNGConstants.KEYWORD_CREATION_TIME, new Date().toString()); if ( metadata!=null ) { for ( Entry m: metadata.entrySet() ) { encoder.addText( m.getKey(), m.getValue() ); } } try { encoder.write( image, out1); } catch (IOException ioe) { } finally { try { out1.close(); } catch (IOException ioe) { throw new RuntimeException(ioe); } } } /** * write out the current canvas to stdout. This is introduced to support servers. * TODO: this has issues with the size. See writeToPng(filename). * @param out the OutputStream accepting the data, which is not closed. * @throws java.io.IOException */ public static void writeToPng(OutputStream out) throws IOException { waitUntilIdle(); DasCanvas c = model.getCanvas(); int width= model.getDocumentModel().getCanvases(0).getWidth(); int height= model.getDocumentModel().getCanvases(0).getHeight(); BufferedImage image = c.getImage(width,height); DasPNGEncoder encoder = new DasPNGEncoder(); encoder.addText(DasPNGConstants.KEYWORD_CREATION_TIME, new Date().toString()); encoder.addText(DasPNGConstants.KEYWORD_SOFTWARE, "Autoplot" ); encoder.addText(DasPNGConstants.KEYWORD_PLOT_INFO, c.getImageMetadata() ); encoder.write( image, out); } /** * write out the current canvas to a svg file. * Note for relative references, this will use the Java process present working directory (PWD) instead * of the PWD variable found in scripts * @param filename the local file to write the file. * @throws java.io.IOException */ public static void writeToSvg( String filename ) throws IOException { setStatus("writing to "+filename); if ( !( filename.endsWith(".svg") || filename.endsWith(".SVG") ) ) { filename= filename + ".svg"; } filename= getLocalFilename(filename); waitUntilIdle(); int width= model.getDocumentModel().getCanvases(0).getWidth(); int height= model.getDocumentModel().getCanvases(0).getHeight(); model.getCanvas().setSize( width, height ); model.getCanvas().validate(); waitUntilIdle(); maybeMakeParent(filename); model.getCanvas().writeToSVG(filename); setStatus("wrote to "+filename); } /** * write out the current canvas to stdout. This is introduced to support servers. * @param out the OutputStream accepting the data, which is not closed. * @throws java.io.IOException */ public static void writeToSvg(OutputStream out) throws IOException { waitUntilIdle(); int width= model.getDocumentModel().getCanvases(0).getWidth(); int height= model.getDocumentModel().getCanvases(0).getHeight(); model.getCanvas().setSize( width, height ); model.getCanvas().validate(); waitUntilIdle(); model.getCanvas().writeToGraphicsOutput( out, new SvgGraphicsOutput() ); } /** * write out the current canvas to a pdf file. * TODO: this has issues with the size. See writeToPng(filename). It looks * like this might be handled here * Note for relative references, this will use the Java process present working directory (PWD) instead * of the PWD variable found in scripts * @param filename the local file to write the file. * @throws java.io.IOException */ public static void writeToPdf(String filename) throws IOException { setStatus("writing to "+filename); if ( !( filename.endsWith(".pdf") || filename.endsWith(".PDF") ) ) { filename= filename + ".pdf"; } filename= getLocalFilename(filename); waitUntilIdle(); int width= model.getDocumentModel().getCanvases(0).getWidth(); int height= model.getDocumentModel().getCanvases(0).getHeight(); model.getCanvas().setSize( width, height ); model.getCanvas().validate(); waitUntilIdle(); maybeMakeParent(filename); model.getCanvas().writeToPDF(filename); setStatus("wrote to "+filename); } /** * write out the current canvas to a pdf to the output stream. This is to * support servers. * TODO: this has issues with the size. See writeToPng(filename). It looks * like this might be handled here * @param out the OutputStream * @throws java.io.IOException */ public static void writeToPdf( OutputStream out ) throws IOException { waitUntilIdle(); int width= model.getDocumentModel().getCanvases(0).getWidth(); int height= model.getDocumentModel().getCanvases(0).getHeight(); model.getCanvas().setSize( width, height ); model.getCanvas().validate(); waitUntilIdle(); model.getCanvas().writeToGraphicsOutput( out, new PdfGraphicsOutput() ); } /** * creates a BufferedImage from the provided DOM. This blocks until the * image is ready. * @param applicationIn * @return the image */ public static BufferedImage writeToBufferedImage( Application applicationIn ) { for ( DataSourceFilter dsf : applicationIn.getDataSourceFilters() ) { if ( dsf.getUri().equals("vap+internal:") ) { logger.fine("copy over vap+internal datasets."); } } ApplicationModel appmodel= new ApplicationModel(); appmodel.addDasPeersToAppAndWait(); appmodel.getDocumentModel().syncTo(applicationIn); DomUtil.copyOverInternalData( applicationIn, appmodel.getDocumentModel() ); int height= applicationIn.getCanvases(0).getHeight(); int width= applicationIn.getCanvases(0).getWidth(); BufferedImage image= appmodel.getCanvas().getImage(width, height); return image; } /** * convenient method for getting an image from the current canvas. * @return */ public static BufferedImage writeToBufferedImage( ) { waitUntilIdle(); int height= model.getDocumentModel().getCanvases(0).getHeight(); int width= model.getDocumentModel().getCanvases(0).getWidth(); BufferedImage image= model.getDocumentModel().getCanvases(0).getController().getDasCanvas().getImage(width, height); return image; } /** * return an array of URLs that match the spec for the time range provided. * For example, *

     *  uri= 'http://cdaweb.gsfc.nasa.gov/istp_public/data/polar/hyd_h0/$Y/po_h0_hyd_$Y$m$d_v01.cdf?ELECTRON_DIFFERENTIAL_ENERGY_FLUX'
     *  xx= getTimeRangesFor( uri, '2000-jan', '$Y-$d-$m' )
     *  for x in xx:
     *    print x
     * 

* * @param surl an Autoplot uri with an aggregation specifier. * @param timeRange a string that is parsed to a time range, such as "2001" * @param format format for the result, such as "%Y-%m-%d" * @return a list of URLs without the aggregation specifier. * @throws java.io.IOException if the remote folder cannot be listed. * @throws java.text.ParseException if the timerange cannot be parsed. */ public static String[] getTimeRangesFor(String surl, String timeRange, String format) throws IOException, ParseException { return org.autoplot.jythonsupport.Util.getTimeRangesFor( surl, timeRange, format ); } /** * Given a spec to format timeranges and a range to contain each timerange, * produce a list of all timeranges covering the range formatted with the * spec. For example, generateTimeRanges( "%Y-%m-%d", "Jun 2009" ) would result in * 2009-06-01, 2009-06-02, ..., 2009-06-30. * @param spec such as "%Y-%m". Note specs like "%Y%m" will not be parsable. * @param srange range limiting the list, such as "2009" * @return a string array of formatted time ranges, such as [ "2009-01", "2009-02", ..., "2009-12" ] * @throws java.text.ParseException of the outer range cannot be parsed. */ public static String[] generateTimeRanges( String spec, String srange ) throws ParseException { return org.autoplot.jythonsupport.Util.generateTimeRanges( spec, srange ); } /** * return a list of completions. This is useful in the IDL context * as well as Jython scripts. This will perform the completion for where the carot is * at the end of the string. Only completions where maybePlot indicates the URI is now * valid are returned, so for example http://autoplot.org/data/somedata.cdf?noDep is not * returned and http://autoplot.org/data/somedata.cdf?Magnitude is. * Note this is included to continue support as this is described in http://autoplot.org/developer.idlMatlab. * @param file, for example http://autoplot.org/data/somedata.cdf? * @return list of completions, containing the entire URI. * @throws java.lang.Exception any exception thrown by the data source. */ public static String[] getCompletions( String file ) throws Exception { return org.autoplot.jythonsupport.Util.getAllCompletions(file); } /** * sleep for so many milliseconds. This is introduced to avoid the import, * which makes running scripts securely non-trivial. * @param millis number of milliseconds to pause execution */ public static void sleep( int millis ) { org.autoplot.jythonsupport.Util.sleep( millis ); } /** * Export the data into a format implied by the filename extension. * See the export data dialog for additional parameters available for formatting. * * For example: *

{@code
     * ds= getDataSet('http://autoplot.org/data/somedata.cdf?BGSEc')
     * formatDataSet( ds, 'vap+dat:file:/home/jbf/temp/foo.dat?tformat=minutes&format=6.2f')
     *}
* * @param ds * @param file local file name that is the target * @throws java.lang.Exception */ public static void formatDataSet(QDataSet ds, String file) throws Exception { formatDataSet( ds, file, new NullProgressMonitor()); } /** * Export the data into a format implied by the filename extension. * See the export data dialog for additional parameters available for formatting. * * For example: *
{@code
     * ds= getDataSet('http://autoplot.org/data/somedata.cdf?BGSEc')
     * formatDataSet( ds, 'vap+dat:file:/home/jbf/temp/foo.dat?tformat=minutes&format=6.2f')
     * formatDataSet( ds, 'foo.dat' ) # also okay
     *}
* * @param ds * @param file local file name that is the target. * @param monitor * @throws java.lang.Exception */ public static void formatDataSet(QDataSet ds, String file, ProgressMonitor monitor ) throws Exception { if ( !file.startsWith("/") && !file.startsWith("vap+") ) { String s= getLocalFilename(file); file= s; } DataSourceFormat format; try { format = DataSetURI.getDataSourceFormat( DataSetURI.getURI(file) ); } catch ( URISyntaxException ex ) { URISplit split= URISplit.parse(file); // fall back to the old logic URI uri = split.resourceUri; format = DataSetURI.getDataSourceFormat( uri ); } if (format == null) { throw new IllegalArgumentException("no format for extension: " + file); } format.formatData( file, ds, monitor ); } /** * set the title of the plot. * @param title */ public static void setTitle(String title) { model.getDocumentModel().getController().getPlot().setTitle(title); } /** * create a model with a GUI presentation layer. If the GUI is already * created, then this does nothing. */ public static void createGui() { maybeInitView(); } /** * returns the internal application model (the object that does all the * business). This provides access to the internal model for power users. * Note the applicationModel provides limited access, and the DOM now * provides full access to the application. * @return ApplicationModel object */ public static ApplicationModel getApplicationModel() { maybeInitModel(); return model; } /** * provide way to see if the model is already initialized (e.g. for clone application) * @return true is the model is already initialized. */ public static boolean isModelInitialized() { return model!=null; } /** * binds two bean properties together. Bindings are bidirectional, but * the initial copy is from src to dst. In MVC terms, src should be the model * and dst should be a view. The properties must fire property * change events for the binding mechanism to work. * * As of v2014a_10, if the src is a DomNode and a child of the application, then use * dom.getController().bind so that the vap will contain the binding. * * Example: *
{@code
     * model= getApplicationModel()
     * bind( model.getPlotDefaults(), "title", model.getPlotDefaults().getXAxis(), "label" )
     *}
* * @see org.autoplot.dom.ApplicationController#bind(org.autoplot.dom.DomNode, java.lang.String, java.lang.Object, java.lang.String) which will save the binding to a vap. * @param src java bean such as model.getPlotDefaults() * @param srcProp a property name such as "title" * @param dst java bean such as model.getPlotDefaults().getXAxis() * @param dstProp a property name such as "label" */ public static void bind( Object src, String srcProp, Object dst, String dstProp ) { bind( src, srcProp, dst, dstProp, null ); } /** * binds two bean properties together. Bindings are bidirectional, but * the initial copy is from src to dst. In MVC terms, src should be the model * and dst should be a view. The properties must fire property * change events for the binding mechanism to work. * * As of v2014a_10, if the src is a DomNode and a child of the application, then use * dom.getController().bind so that the vap will contain the binding. * * Example: *
{@code
     * model= getApplicationModel()
     * bind( model.getPlotDefaults(), "title", model.getPlotDefaults().getXAxis(), "label" )
     *}
* * @see org.autoplot.dom.ApplicationController#bind(org.autoplot.dom.DomNode, java.lang.String, java.lang.Object, java.lang.String, org.jdesktop.beansbinding.Converter) which will save the binding to a vap. * @param src java bean such as model.getPlotDefaults() * @param srcProp a property name such as "title" * @param dst java bean such as model.getPlotDefaults().getXAxis() * @param dstProp a property name such as "label" * @param c converter for the binding, or null. */ public static void bind( Object src, String srcProp, Object dst, String dstProp, Converter c ) { if ( DasApplication.hasAllPermission() ) { if ( src instanceof DomNode && dom.getController().getElementById(((DomNode)src).getId())==src ) { DomNode srcNode= (DomNode)src; dom.getController().bind( srcNode, srcProp, dst, dstProp, c ); } else { BeanProperty srcbp= BeanProperty.create(srcProp); Object value= srcbp.getValue(src); if ( value==null ) { System.err.println("warning: src property "+srcProp+ " of "+src+" is null"); } BeanProperty dstbp= BeanProperty.create(dstProp); dstbp.setValue(dst, value ); dstbp.getValue(dst); Binding b= Bindings.createAutoBinding( UpdateStrategy.READ_WRITE, src, srcbp, dst, dstbp ); if ( c!=null ) b.setConverter(c); b.bind(); } } else { System.err.println("bindings disabled in applet environment"); } } /** * unbind the property * @param src */ public static void unbind( DomNode src ) { dom.getController().unbind(src); } /** * unbind the property * @param src * @param srcProp * @param dst * @param dstProp */ public static void unbind( DomNode src, String srcProp, DomNode dst, String dstProp ) { dom.getController().unbind(src,srcProp,dst,dstProp); } /** * binds two bean properties together. Bindings are bidirectional, but * the initial copy is from src to dst. In MVC terms, src should be the model * and dst should be a view. The properties must fire property * change events for the binding mechanism to work. * * As of v2014a_10, if the src is a DomNode and a child of the application, then use * dom.getController().bind so that the vap will contain the binding. * * Example: *
{@code
     * model= getApplicationModel()
     * bind( model.getPlotDefaults(), "title", model.getPlotDefaults().getXAxis(), "label" )
     *}
* * @see org.autoplot.dom.ApplicationController#bind(org.autoplot.dom.DomNode, java.lang.String, java.lang.Object, java.lang.String, org.jdesktop.beansbinding.Converter) which will save the binding to a vap. * @param src java bean such as model.getPlotDefaults() * @param srcProp a property name such as "title" * @param dst java bean such as model.getPlotDefaults().getXAxis() * @param dstProp a property name such as "label" * @param c converter for the binding, or null. */ public static void bindGuiSafe( final Object src, final String srcProp, final Object dst, final String dstProp, final Converter c ) { Runnable run= new Runnable() { @Override public void run() { bind( src, srcProp, dst, dstProp, c ); } }; if ( SwingUtilities.isEventDispatchThread() ) { run.run(); } else { try { SwingUtilities.invokeAndWait(run); } catch ( InterruptedException|InvocationTargetException ex ) { logger.log( Level.WARNING, ex.getMessage(), ex ); } } } /** * serializes the dataset to a QStream, a self-documenting, streaming format * useful for moving datasets. * *

     *ds= getDataSet('http://autoplot.org/data/somedata.cdf?BGSEc')
     *from java.lang import System
     *dumpToQStream( ds, System.out, True )
     * 

* * @param ds The dataset to stream. Note all schemes should be streamable, but * some bugs exist that may prevent this. * @param out stream, such as "System.out" * @param ascii use ascii transfer types, otherwise binary are used. * @throws java.io.IOException */ public static void dumpToQStream( QDataSet ds, OutputStream out, boolean ascii ) throws IOException { try { SimpleStreamFormatter f= new SimpleStreamFormatter(); f.format( ds, out, ascii ); } catch (StreamException ex) { logger.log(Level.SEVERE, ex.getMessage(), ex); } } /** * serializes the dataset to a das2stream, a well-documented, open, streaming * data format. (that's a joke.) Das2Streams are the legacy stream format used * by the Plasma Wave Groups's server, and can serialize a limited set of * QDataSets. QStreams were introduced to allow streaming of any QDataSet, see * dumpToQStream. * Currently, to keep the channel open, the stream is created in a buffer and * then the buffer is sent. * TODO: write a stream-producing code that doesn't close the output stream. (TODO: does it still do this?) * @param ds * @param ascii use ascii transfer types, otherwise binary are used. */ public static void dumpToDas2Stream(QDataSet ds, boolean ascii) { try { ByteArrayOutputStream bufout = new ByteArrayOutputStream(10000); DataSet lds = DataSetAdapter.createLegacyDataSet(ds); if (ascii) { if (lds instanceof TableDataSet) { org.das2.dataset.TableUtil.dumpToAsciiStream((TableDataSet) lds, bufout); } else { org.das2.dataset.VectorUtil.dumpToAsciiStream((VectorDataSet) lds, bufout); } } else { if (lds instanceof TableDataSet) { org.das2.dataset.TableUtil.dumpToBinaryStream((TableDataSet) lds, bufout); } else { org.das2.dataset.VectorUtil.dumpToBinaryStream((VectorDataSet) lds, bufout); } } out.write(bufout.toByteArray()); } catch (IOException ex) { } } /** * serializes the dataset to a das2stream, a well-documented, open, streaming * data format. (that's a joke.) * Currently, to keep the channel open, the stream is created in a buffer and * then the buffer is sent. TODO: write a stream-producing code that doesn't * close the output stream. * @param ds * @param file the file target for the stream. * @param ascii use ascii transfer types. * @throws java.io.IOException */ public static void dumpToDas2Stream(QDataSet ds, String file, boolean ascii) throws IOException { file= getLocalFilename(file); OutputStream bufout = new FileOutputStream(file); DataSet lds = DataSetAdapter.createLegacyDataSet(ds); if (ascii) { if (lds instanceof TableDataSet) { org.das2.dataset.TableUtil.dumpToAsciiStream((TableDataSet) lds, bufout); } else { org.das2.dataset.VectorUtil.dumpToAsciiStream((VectorDataSet) lds, bufout); } } else { if (lds instanceof TableDataSet) { org.das2.dataset.TableUtil.dumpToBinaryStream((TableDataSet) lds, bufout); } else { org.das2.dataset.VectorUtil.dumpToBinaryStream((VectorDataSet) lds, bufout); } } } /** * make the directory. This must be a local file right now, but may start with "file://" * @param dir the directory */ public static void mkdir( String dir ) { dir= getLocalFilename(dir); if ( !dir.endsWith("/") ) { throw new IllegalArgumentException("folder name must end in /"); } File f= new File(dir); if ( !f.exists() ) { if ( !f.mkdirs() ) { throw new IllegalArgumentException("unable to make directory: "+f ); } } } /** * get the document model (DOM). This may initialize the model, in which * case defaults like the cache directory are set. * @return */ public static Application getDocumentModel() { maybeInitModel(); return dom; } /** * wait until the application is idle. This does a model.waitUntilIdle, * but also checks for the DataSetSelector for pending operations. */ public static void waitUntilIdle() { if ( view!=null ) { while ( view.getDataSetSelector().isPendingChanges() ) { try { Thread.sleep(100); } catch (InterruptedException ex) { logger.log(Level.SEVERE, null, ex); } } } model.waitUntilIdle(); } /** * wait until the application is idle. The id is a convenience to * developers when debugging, for example used to trigger breakpoints. * @param id string for debugging. *@see http://autoplot.org/data/tools/reloadAll.jy */ public static void waitUntilIdle( String id ) { logger.log(Level.INFO, "waitUntilIdle({0})", id); if ( view!=null ) { while ( view.getDataSetSelector().isPendingChanges() ) { try { Thread.sleep(100); } catch (InterruptedException ex) { Logger.getLogger(ScriptContext.class.getName()).log(Level.SEVERE, null, ex); } } } model.waitUntilIdle(); } /** * save the current state as a vap file * @param filename * @throws java.io.IOException */ public static void save( String filename ) throws IOException { maybeInitModel(); filename= getLocalFilename(filename); if ( ! filename.endsWith(".vap") ) throw new IllegalArgumentException("filename must end in vap"); model.doSave( new File( filename ) ); } /** * load the .vap file. This is implemented by calling plot on the URI. * @param filename local or remote filename like http://autoplot.org/data/autoplot.vap * @throws java.io.IOException */ public static void load( String filename ) throws IOException { plot(filename); } /** * load a vap from a file and return the dom. * @param filename .vap file * @return Application * @throws java.io.IOException * @see #saveVap(org.autoplot.dom.Application, java.lang.String) */ public static Application loadVap( String filename ) throws IOException { try { File f= FileSystemUtil.doDownload( filename, new NullProgressMonitor() ); return (Application) StatePersistence.restoreState( f ); } catch (FileSystem.FileSystemOfflineException ex) { throw new IOException(ex); } catch (URISyntaxException ex) { throw new IllegalArgumentException(ex); } } /** * save the application dom to a file. * @param dom the application state * @param filename the file. * @throws IOException * @see #loadVap(java.lang.String) */ public static void saveVap( Application dom, String filename ) throws IOException { StatePersistence.saveState( new File(filename), dom ); } /** * make the layout more efficient by removing empty spaces and overlapping * plots. */ public static void fixLayout() { org.autoplot.dom.DomOps.newCanvasLayout(dom); } /** * make a stack plot. * @param nrows number of rows (plots) */ public static void setLayout( int nrows ) { if ( nrows<1 ) throw new IllegalArgumentException("must be one or more rows"); setLayout( nrows, 1 ); } /** * reset the layout to have the given number of rows and columns. This is * similar to the subplot command in Matlab and !p.multi in IDL. Once * additional plots are added, use the plot command with the index argument. * * @param nrows number of rows * @param ncolumns number of columns */ public static void setLayout( int nrows, int ncolumns ) { if ( nrows<1 ) throw new IllegalArgumentException("must be one or more rows"); if ( ncolumns<1 ) throw new IllegalArgumentException("must be one or more columns"); reset(); DasCanvas c= dom.getCanvases(0).getController().getDasCanvas(); Lock canvasLock= c.mutatorLock(); Lock lock= dom.getController().mutatorLock(); try { canvasLock.lock(); lock.lock(); Plot p= dom.getController().getPlot(); dom.getController().addPlots( nrows, ncolumns, null ); dom.getController().deletePlot(p); } finally { lock.unlock(); canvasLock.unlock(); } waitUntilIdle(); } /** * adds a block of plots to the canvas below the focus plot. * A plotElement is added for each plot as well. * @param nrows number of rows * @param ncolumns number of columns * @param dir below, above, right, or left, or null (None in Jython) to replace the current plot. * @return the new plots. */ public static List addPlots( int nrows, int ncolumns, String dir ) { if ( nrows<1 ) throw new IllegalArgumentException("must be one or more rows"); if ( ncolumns<1 ) throw new IllegalArgumentException("must be one or more columns"); Plot d= null; if ( dir==null ) { d= dom.getController().getPlot(); } List result= dom.getController().addPlots( nrows, ncolumns, dir ); if ( dir==null ) { dom.getController().deletePlot(d); } if ( result.size()>0 ) dom.getController().setPlot(result.get(0)); return result; } /** * make a single plot with so many plot elements. * @param nplotElement the number of plotElements on the one plot. * @see #setLayout(int, int) setLayout(int, int) which will create a grid of plots. * @see #addPlotElement(int) addPlotElement(int) which will an another plotElement (an overplot) to the ith position. */ public static void setLayoutOverplot( int nplotElement ) { if ( nplotElement<1 ) throw new IllegalArgumentException("must be one or more plots"); reset(); DasCanvas c= dom.getCanvases(0).getController().getDasCanvas(); Lock canvasLock= c.mutatorLock(); Lock lock= dom.getController().mutatorLock(); try { canvasLock.lock(); lock.lock(); Plot p= dom.getController().getPlot(); for ( int i=1; i