+package tim.prune.save;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import javax.imageio.ImageIO;
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JFileChooser;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+
+import tim.prune.App;
+import tim.prune.FunctionLibrary;
+import tim.prune.I18nManager;
+import tim.prune.UpdateMessageBroker;
+import tim.prune.config.Config;
+import tim.prune.data.NumberUtils;
+import tim.prune.data.Track;
+import tim.prune.function.Export3dFunction;
+import tim.prune.function.srtm.LookupSrtmFunction;
+import tim.prune.gui.BaseImageDefinitionPanel;
+import tim.prune.gui.DialogCloser;
+import tim.prune.gui.TerrainDefinitionPanel;
+import tim.prune.gui.map.MapSource;
+import tim.prune.gui.map.MapSourceLibrary;
+import tim.prune.load.GenericFileFilter;
+import tim.prune.threedee.ImageDefinition;
+import tim.prune.threedee.TerrainCache;
+import tim.prune.threedee.TerrainDefinition;
+import tim.prune.threedee.TerrainHelper;
+import tim.prune.threedee.ThreeDModel;
+
+/**
+ * Class to export a 3d scene of the track to a specified Pov file
+ */
+public class PovExporter extends Export3dFunction
+{
+ private Track _track = null;
+ private JDialog _dialog = null;
+ private JFileChooser _fileChooser = null;
+ private String _cameraX = null, _cameraY = null, _cameraZ = null;
+ private JTextField _cameraXField = null, _cameraYField = null, _cameraZField = null;
+ private JTextField _fontName = null, _altitudeFactorField = null;
+ private JRadioButton _ballsAndSticksButton = null;
+ /** Panel for defining the base image */
+ private BaseImageDefinitionPanel _baseImagePanel = null;
+ /** Component for defining the terrain */
+ private TerrainDefinitionPanel _terrainPanel = null;
+
+ // defaults
+ private static final double DEFAULT_CAMERA_DISTANCE = 30.0;
+ private static final double MODEL_SCALE_FACTOR = 20.0;
+ private static final String DEFAULT_FONT_FILE = "crystal.ttf";
+
+
+ /**
+ * Constructor
+ * @param inApp App object
+ */
+ public PovExporter(App inApp)
+ {
+ super(inApp);
+ _track = inApp.getTrackInfo().getTrack();
+ // Set default camera coordinates
+ _cameraX = "17"; _cameraY = "13"; _cameraZ = "-20";
+ }
+
+ /** Get the name key */
+ public String getNameKey() {
+ return "function.exportpov";
+ }
+
+ /**
+ * Set the coordinates for the camera (can be any scale)
+ * @param inX X coordinate of camera
+ * @param inY Y coordinate of camera
+ * @param inZ Z coordinate of camera
+ */
+ public void setCameraCoordinates(double inX, double inY, double inZ)
+ {
+ // calculate distance from origin
+ double cameraDist = Math.sqrt(inX*inX + inY*inY + inZ*inZ);
+ if (cameraDist > 0.0)
+ {
+ _cameraX = NumberUtils.formatNumberUk(inX / cameraDist * DEFAULT_CAMERA_DISTANCE, 5);
+ _cameraY = NumberUtils.formatNumberUk(inY / cameraDist * DEFAULT_CAMERA_DISTANCE, 5);
+ // Careful! Need to convert from java3d (right-handed) to povray (left-handed) coordinate system!
+ _cameraZ = NumberUtils.formatNumberUk(-inZ / cameraDist * DEFAULT_CAMERA_DISTANCE, 5);
+ }
+ }
+
+
+ /**
+ * Show the dialog to select options and export file
+ */
+ public void begin()
+ {
+ // Make dialog window to select inputs
+ if (_dialog == null)
+ {
+ _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
+ _dialog.setLocationRelativeTo(_parentFrame);
+ _dialog.getContentPane().add(makeDialogComponents());
+ }
+ // Get exaggeration factor from config
+ final int exaggFactor = Config.getConfigInt(Config.KEY_HEIGHT_EXAGGERATION);
+ if (exaggFactor > 0) {
+ _altFactor = exaggFactor / 100.0;
+ }
+
+ // Set angles
+ _cameraXField.setText(_cameraX);
+ _cameraYField.setText(_cameraY);
+ _cameraZField.setText(_cameraZ);
+ _altitudeFactorField.setText("" + _altFactor);
+ // Pass terrain and image def parameters (if any) to the panels
+ if (_terrainDef != null) {
+ _terrainPanel.initTerrainParameters(_terrainDef);
+ }
+ if (_imageDef != null) {
+ _baseImagePanel.initImageParameters(_imageDef);
+ }
+ _baseImagePanel.updateBaseImageDetails();
+ // Show dialog
+ _dialog.pack();
+ _dialog.setVisible(true);
+ }
+
+
+ /**
+ * Make the dialog components to select the export options
+ * @return Component holding gui elements
+ */
+ private Component makeDialogComponents()
+ {
+ JPanel panel = new JPanel();
+ panel.setLayout(new BorderLayout(4, 4));
+ JLabel introLabel = new JLabel(I18nManager.getText("dialog.exportpov.text"));
+ introLabel.setBorder(BorderFactory.createEmptyBorder(4, 4, 6, 4));
+ panel.add(introLabel, BorderLayout.NORTH);
+ // OK, Cancel buttons
+ JPanel buttonPanel = new JPanel();
+ buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+ JButton okButton = new JButton(I18nManager.getText("button.ok"));
+ okButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ // Need to launch export in new thread
+ new Thread(new Runnable() {
+ public void run()
+ {
+ doExport();
+ _baseImagePanel.getGrouter().clearMapImage();
+ }
+ }).start();
+ _dialog.dispose();
+ }
+ });
+ buttonPanel.add(okButton);
+ JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+ cancelButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ _baseImagePanel.getGrouter().clearMapImage();
+ _dialog.dispose();
+ }
+ });
+ buttonPanel.add(cancelButton);
+ panel.add(buttonPanel, BorderLayout.SOUTH);
+
+ // central panel
+ JPanel centralPanel = new JPanel();
+ centralPanel.setLayout(new GridLayout(0, 2, 10, 4));
+
+ JLabel fontLabel = new JLabel(I18nManager.getText("dialog.exportpov.font"));
+ fontLabel.setHorizontalAlignment(SwingConstants.TRAILING);
+ centralPanel.add(fontLabel);
+ String defaultFont = Config.getConfigString(Config.KEY_POVRAY_FONT);
+ if (defaultFont == null || defaultFont.equals("")) {
+ defaultFont = DEFAULT_FONT_FILE;
+ }
+ _fontName = new JTextField(defaultFont, 12);
+ _fontName.setAlignmentX(Component.LEFT_ALIGNMENT);
+ _fontName.addKeyListener(new DialogCloser(_dialog));
+ centralPanel.add(_fontName);
+ //coordinates of camera
+ JLabel cameraXLabel = new JLabel(I18nManager.getText("dialog.exportpov.camerax"));
+ cameraXLabel.setHorizontalAlignment(SwingConstants.TRAILING);
+ centralPanel.add(cameraXLabel);
+ _cameraXField = new JTextField("" + _cameraX);
+ centralPanel.add(_cameraXField);
+ JLabel cameraYLabel = new JLabel(I18nManager.getText("dialog.exportpov.cameray"));
+ cameraYLabel.setHorizontalAlignment(SwingConstants.TRAILING);
+ centralPanel.add(cameraYLabel);
+ _cameraYField = new JTextField("" + _cameraY);
+ centralPanel.add(_cameraYField);
+ JLabel cameraZLabel = new JLabel(I18nManager.getText("dialog.exportpov.cameraz"));
+ cameraZLabel.setHorizontalAlignment(SwingConstants.TRAILING);
+ centralPanel.add(cameraZLabel);
+ _cameraZField = new JTextField("" + _cameraZ);
+ centralPanel.add(_cameraZField);
+ // Altitude exaggeration
+ JLabel altitudeCapLabel = new JLabel(I18nManager.getText("dialog.3d.altitudefactor"));
+ altitudeCapLabel.setHorizontalAlignment(SwingConstants.TRAILING);
+ centralPanel.add(altitudeCapLabel);
+ _altitudeFactorField = new JTextField("1.0");
+ centralPanel.add(_altitudeFactorField);
+
+ // Radio buttons for style - balls on sticks or tubes
+ JPanel stylePanel = new JPanel();
+ stylePanel.setLayout(new GridLayout(0, 2, 10, 4));
+ JLabel styleLabel = new JLabel(I18nManager.getText("dialog.exportpov.modelstyle"));
+ styleLabel.setHorizontalAlignment(SwingConstants.TRAILING);
+ stylePanel.add(styleLabel);
+ JPanel radioPanel = new JPanel();
+ radioPanel.setLayout(new BoxLayout(radioPanel, BoxLayout.Y_AXIS));
+ _ballsAndSticksButton = new JRadioButton(I18nManager.getText("dialog.exportpov.ballsandsticks"));
+ _ballsAndSticksButton.setSelected(false);
+ radioPanel.add(_ballsAndSticksButton);
+ JRadioButton tubesButton = new JRadioButton(I18nManager.getText("dialog.exportpov.tubesandwalls"));
+ tubesButton.setSelected(true);
+ radioPanel.add(tubesButton);
+ ButtonGroup group = new ButtonGroup();
+ group.add(_ballsAndSticksButton); group.add(tubesButton);
+ stylePanel.add(radioPanel);
+
+ // Panel for the base image (parent is null because we don't need callback)
+ _baseImagePanel = new BaseImageDefinitionPanel(null, _dialog, _track);
+ // Panel for the terrain definition
+ _terrainPanel = new TerrainDefinitionPanel();
+
+ // add these panels to the holder panel
+ JPanel holderPanel = new JPanel();
+ holderPanel.setLayout(new BorderLayout(5, 5));
+ JPanel boxPanel = new JPanel();
+ boxPanel.setLayout(new BoxLayout(boxPanel, BoxLayout.Y_AXIS));
+ boxPanel.add(centralPanel);
+ boxPanel.add(Box.createVerticalStrut(4));
+ boxPanel.add(stylePanel);
+ boxPanel.add(Box.createVerticalStrut(4));
+ boxPanel.add(_terrainPanel);
+ boxPanel.add(Box.createVerticalStrut(4));
+ boxPanel.add(_baseImagePanel);
+ holderPanel.add(boxPanel, BorderLayout.CENTER);
+
+ panel.add(holderPanel, BorderLayout.CENTER);
+ return panel;
+ }
+
+
+ /**
+ * Select the file and export data to it
+ */
+ private void doExport()
+ {
+ // Copy camera coordinates
+ _cameraX = checkCoordinate(_cameraXField.getText());
+ _cameraY = checkCoordinate(_cameraYField.getText());
+ _cameraZ = checkCoordinate(_cameraZField.getText());
+
+ // OK pressed, so choose output file
+ if (_fileChooser == null)
+ {
+ _fileChooser = new JFileChooser();
+ _fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
+ _fileChooser.setFileFilter(new GenericFileFilter("filetype.pov", new String[] {"pov"}));
+ _fileChooser.setAcceptAllFileFilterUsed(false);
+ // start from directory in config which should be set
+ final String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
+ if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
+ }
+
+ // Allow choose again if an existing file is selected
+ boolean chooseAgain = false;
+ do
+ {
+ chooseAgain = false;
+ if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
+ {
+ // OK pressed and file chosen
+ File povFile = _fileChooser.getSelectedFile();
+ if (!povFile.getName().toLowerCase().endsWith(".pov"))
+ {
+ povFile = new File(povFile.getAbsolutePath() + ".pov");
+ }
+ final int nameLen = povFile.getName().length() - 4;
+ final File imageFile = new File(povFile.getParentFile(), povFile.getName().substring(0, nameLen) + "_base.png");
+ final File terrainFile = new File(povFile.getParentFile(), povFile.getName().substring(0, nameLen) + "_terrain.png");
+ final boolean imageExists = _baseImagePanel.getImageDefinition().getUseImage() && imageFile.exists();
+ final boolean terrainFileExists = _terrainPanel.getUseTerrain() && terrainFile.exists();
+
+ // Check if files exist and if necessary prompt for overwrite
+ Object[] buttonTexts = {I18nManager.getText("button.overwrite"), I18nManager.getText("button.cancel")};
+ if ((!povFile.exists() && !imageExists && !terrainFileExists)
+ || JOptionPane.showOptionDialog(_parentFrame,
+ I18nManager.getText("dialog.save.overwrite.text"),
+ I18nManager.getText("dialog.save.overwrite.title"), JOptionPane.YES_NO_OPTION,
+ JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
+ == JOptionPane.YES_OPTION)
+ {
+ // Export the file(s)
+ if (exportFiles(povFile, imageFile, terrainFile))
+ {
+ // file saved - store directory in config for later
+ Config.setConfigString(Config.KEY_TRACK_DIR, povFile.getParentFile().getAbsolutePath());
+ // also store exaggeration and grid size
+ Config.setConfigInt(Config.KEY_HEIGHT_EXAGGERATION, (int) (_altFactor * 100));
+ if (_terrainPanel.getUseTerrain() && _terrainPanel.getGridSize() > 20) {
+ Config.setConfigInt(Config.KEY_TERRAIN_GRID_SIZE, _terrainPanel.getGridSize());
+ }
+ }
+ else
+ {
+ // export failed so need to choose again
+ chooseAgain = true;
+ }
+ }
+ else
+ {
+ // overwrite cancelled so need to choose again
+ chooseAgain = true;
+ }
+ }
+ } while (chooseAgain);
+ }
+
+
+ /**
+ * Export the data to the specified file(s)
+ * @param inPovFile File object to save pov file to
+ * @param inImageFile file object to save image to
+ * @param inTerrainFile file object to save terrain to
+ * @return true if successful
+ */
+ private boolean exportFiles(File inPovFile, File inImageFile, File inTerrainFile)
+ {
+ FileWriter writer = null;
+ // find out the line separator for this system
+ final String lineSeparator = System.getProperty("line.separator");
+ try
+ {
+ // create and scale model
+ ThreeDModel model = new ThreeDModel(_track);
+ model.setModelSize(MODEL_SCALE_FACTOR);
+ try
+ {
+ // try to use given altitude cap
+ double givenFactor = Double.parseDouble(_altitudeFactorField.getText());
+ if (givenFactor > 0.0) _altFactor = givenFactor;
+ }
+ catch (NumberFormatException nfe) { // parse failed, reset
+ _altitudeFactorField.setText("" + _altFactor);
+ }
+ model.setAltitudeFactor(_altFactor);
+
+ // Write base image if necessary
+ ImageDefinition imageDef = _baseImagePanel.getImageDefinition();
+ boolean useImage = imageDef.getUseImage();
+ if (useImage)
+ {
+ // Get base image from grouter
+ MapSource mapSource = MapSourceLibrary.getSource(imageDef.getSourceIndex());
+ MapGrouter grouter = _baseImagePanel.getGrouter();
+ GroutedImage baseImage = grouter.getMapImage(_track, mapSource, imageDef.getZoom());
+ try
+ {
+ useImage = ImageIO.write(baseImage.getImage(), "png", inImageFile);
+ }
+ catch (IOException ioe) {
+ System.err.println("Can't write image: " + ioe.getClass().getName());
+ useImage = false;
+ }
+ if (!useImage) {
+ _app.showErrorMessage(getNameKey(), "dialog.exportpov.cannotmakebaseimage");
+ }
+ }
+
+ boolean useTerrain = _terrainPanel.getUseTerrain();
+ if (useTerrain)
+ {
+ TerrainHelper terrainHelper = new TerrainHelper(_terrainPanel.getGridSize());
+ // See if there's a previously saved terrain track we can reuse
+ TerrainDefinition terrainDef = new TerrainDefinition(_terrainPanel.getUseTerrain(), _terrainPanel.getGridSize());
+ Track terrainTrack = TerrainCache.getTerrainTrack(_app.getCurrentDataStatus(), terrainDef);
+ if (terrainTrack == null)
+ {
+ // Construct the terrain track according to these extents and the grid size
+ terrainTrack = terrainHelper.createGridTrack(_track);
+ // Get the altitudes from SRTM for all the points in the track
+ LookupSrtmFunction srtmLookup = (LookupSrtmFunction) FunctionLibrary.FUNCTION_LOOKUP_SRTM;
+ srtmLookup.begin(terrainTrack);
+ while (srtmLookup.isRunning())
+ {
+ try {
+ Thread.sleep(750); // just polling in a wait loop isn't ideal but simple
+ }
+ catch (InterruptedException e) {}
+ }
+ // Fix the voids
+ terrainHelper.fixVoids(terrainTrack);
+
+ // Store this back in the cache, maybe we'll need it again
+ TerrainCache.storeTerrainTrack(terrainTrack, _app.getCurrentDataStatus(), terrainDef);
+ }
+
+ model.setTerrain(terrainTrack);
+ model.scale();
+
+ // Call TerrainHelper to write out the data from the model
+ terrainHelper.writeHeightMap(model, inTerrainFile);
+ }
+ else
+ {
+ // No terrain required, so just scale the model as it is
+ model.scale();
+ }
+
+ // Create file and write basics
+ writer = new FileWriter(inPovFile);
+ writeStartOfFile(writer, lineSeparator, useImage ? inImageFile : null, useTerrain ? inTerrainFile : null);
+
+ // write out points
+ if (_ballsAndSticksButton.isSelected()) {
+ writeDataPointsBallsAndSticks(writer, model, lineSeparator);
+ }
+ else {
+ writeDataPointsTubesAndWalls(writer, model, lineSeparator);
+ }
+
+ // everything worked
+ UpdateMessageBroker.informSubscribers(I18nManager.getText("confirm.save.ok1")
+ + " " + _track.getNumPoints() + " " + I18nManager.getText("confirm.save.ok2")
+ + " " + inPovFile.getAbsolutePath());
+ return true;
+ }
+ catch (IOException ioe)
+ {
+ JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.save.failed") + " : " + ioe.getMessage(),
+ I18nManager.getText("error.save.dialogtitle"), JOptionPane.ERROR_MESSAGE);
+ }
+ finally
+ {
+ // close file ignoring exceptions
+ try
+ {
+ writer.close();
+ }
+ catch (Exception e) {}
+ }
+ return false;
+ }
+
+
+ /**
+ * Write the start of the Pov file, including base plane and lights
+ * @param inWriter Writer to use for writing file
+ * @param inLineSeparator line separator to use
+ * @param inImageFile image file to reference (or null if none)
+ * @param inTerrainFile terrain file to reference (or null if none)
+ * @throws IOException on file writing error
+ */
+ private void writeStartOfFile(FileWriter inWriter, String inLineSeparator, File inImageFile, File inTerrainFile)
+ throws IOException
+ {
+ inWriter.write("// Pov file produced by GpsPrune - see https://gpsprune.activityworkshop.net/");
+ inWriter.write(inLineSeparator);
+ inWriter.write("#version 3.6;");
+ inWriter.write(inLineSeparator);
+ inWriter.write(inLineSeparator);
+ // Select font based on user input
+ String fontPath = _fontName.getText();
+ if (fontPath == null || fontPath.equals(""))
+ {
+ fontPath = DEFAULT_FONT_FILE;
+ }
+ else {
+ Config.setConfigString(Config.KEY_POVRAY_FONT, fontPath);
+ }
+
+ // Make the definition of the base plane depending on whether there's an image or not
+ final boolean useImage = (inImageFile != null);
+ final boolean useImageOnBox = useImage && (inTerrainFile == null);
+ final String boxDefinition = (useImageOnBox ?
+ " <0, 0, 0>, <1, 1, 0.001>" + inLineSeparator
+ + " pigment {image_map { png \"" + inImageFile.getName() + "\" map_type 0 interpolate 2 once } }" + inLineSeparator
+ + " scale 20.0 rotate <90, 0, 0>" + inLineSeparator
+ + " translate <-10.0, 0, -10.0>"
+ : " <-10.0, -0.15, -10.0>," + inLineSeparator
+ + " <10.0, 0.0, 10.0>" + inLineSeparator
+ + " pigment { color rgb <0.5 0.75 0.8> }");
+ // TODO: Maybe could use the same geometry for the imageless case, would simplify code a bit
+
+ // Definition of terrain shape if any
+ final String terrainDefinition = makeTerrainString(inTerrainFile, inImageFile, inLineSeparator);
+
+ final String[] pointLights = {
+ "// lights",
+ "light_source { <-1, 9, -4> color rgb <0.5 0.5 0.5>}",
+ "light_source { <1, 6, -14> color rgb <0.6 0.6 0.6>}",
+ "light_source { <11, 12, 8> color rgb <0.3 0.3 0.3>}"
+ };
+ final String[] northwestLight = {
+ "// lights from NW",
+ "light_source { <-10, 10, 10> color rgb <1.5 1.5 1.5> parallel }",
+ };
+ final String[] lightsLines = (inTerrainFile == null ? pointLights : northwestLight);
+
+ // Set up output
+ String[] outputLines = {
+ "global_settings { ambient_light rgb <4, 4, 4> }", "",
+ "// Background and camera",
+ "background { color rgb <0, 0, 0> }",
+ // camera position
+ "camera {",
+ " location <" + _cameraX + ", " + _cameraY + ", " + _cameraZ + ">",
+ " look_at <0, 0, 0>",
+ "}", "",
+ // global declares
+ "// Global declares",
+ "#declare point_rod =",
+ " cylinder {",
+ " <0, 0, 0>,",
+ " <0, 1, 0>,",
+ " 0.15",
+ " open",
+ " texture {",
+ " pigment { color rgb <0.5 0.5 0.5> }",
+ useImage ? " } no_shadow" : " }",
+ " }", "",
+ // MAYBE: Export rods to POV? How to store in data?
+ "#declare waypoint_sphere =",
+ " sphere {",
+ " <0, 0, 0>, 0.4",
+ " texture {",
+ " pigment {color rgb <0.1 0.1 1.0>}",
+ " finish { phong 1 }",
+ useImage ? " } no_shadow" : " }",
+ " }",
+ "#declare track_sphere0 =",
+ " sphere {",
+ " <0, 0, 0>, 0.3", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <0.1 0.6 0.1>}", // dark green
+ " finish { phong 1 }",
+ " }",
+ " }",
+ "#declare track_sphere1 =",
+ " sphere {",
+ " <0, 0, 0>, 0.3", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <0.4 0.9 0.2>}", // green
+ " finish { phong 1 }",
+ " }",
+ " }",
+ "#declare track_sphere2 =",
+ " sphere {",
+ " <0, 0, 0>, 0.3", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <0.7 0.8 0.2>}", // yellow
+ " finish { phong 1 }",
+ " }",
+ " }",
+ "#declare track_sphere3 =",
+ " sphere {",
+ " <0, 0, 0>, 0.3", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <0.5 0.8 0.6>}", // greeny
+ " finish { phong 1 }",
+ " }",
+ " }",
+ "#declare track_sphere4 =",
+ " sphere {",
+ " <0, 0, 0>, 0.3", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <0.2 0.9 0.9>}", // cyan
+ " finish { phong 1 }",
+ " }",
+ " }",
+ "#declare track_sphere5 =",
+ " sphere {",
+ " <0, 0, 0>, 0.3", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <1.0 1.0 1.0>}", // white
+ " finish { phong 1 }",
+ " }",
+ " }",
+ "#declare track_sphere_t =",
+ " sphere {",
+ " <0, 0, 0>, 0.25", // size should depend on model size
+ " texture {",
+ " pigment {color rgb <0.6 1.0 0.2>}",
+ " finish { phong 1 }",
+ " } no_shadow",
+ " }",
+ "#declare wall_colour = rgbt <0.5, 0.5, 0.5, 0.3>;", "",
+ "// Base plane",
+ "box {",
+ boxDefinition,
+ "}", "",
+ // terrain
+ terrainDefinition,
+ // write cardinals
+ "// Cardinal letters N,S,E,W",
+ "text {",
+ " ttf \"" + fontPath + "\" \"" + I18nManager.getText("cardinal.n") + "\" 0.3, 0",
+ " pigment { color rgb <1 1 1> }",
+ " translate <0, 0.2, 10.0>",
+ "}",
+ "text {",
+ " ttf \"" + fontPath + "\" \"" + I18nManager.getText("cardinal.s") + "\" 0.3, 0",
+ " pigment { color rgb <1 1 1> }",
+ " translate <0, 0.2, -10.0>",
+ "}",
+ "text {",
+ " ttf \"" + fontPath + "\" \"" + I18nManager.getText("cardinal.e") + "\" 0.3, 0",
+ " pigment { color rgb <1 1 1> }",
+ " translate <9.7, 0.2, 0>",
+ "}",
+ "text {",
+ " ttf \"" + fontPath + "\" \"" + I18nManager.getText("cardinal.w") + "\" 0.3, 0",
+ " pigment { color rgb <1 1 1> }",
+ " translate <-10.3, 0.2, 0>",
+ "}"
+ };
+
+ // write strings to file
+ writeLinesToFile(inWriter, inLineSeparator, outputLines);
+ writeLinesToFile(inWriter, inLineSeparator, lightsLines);
+ }
+
+ /**
+ * Write the given lines to the file
+ * @param inWriter writer object
+ * @param inLineSeparator line separator string
+ * @param lines array of lines to write
+ * @throws IOException
+ */
+ private void writeLinesToFile(FileWriter inWriter, String inLineSeparator, String[] lines)
+ throws IOException
+ {
+ for (int i=0; i<lines.length; i++)
+ {
+ inWriter.write(lines[i]);
+ inWriter.write(inLineSeparator);
+ }
+ inWriter.write(inLineSeparator);
+ }
+
+ /**
+ * Make a description of the height_field object for the terrain, depending on terrain and image
+ * @param inTerrainFile terrain file, or null if none
+ * @param inImageFile image file, or null if none
+ * @param inLineSeparator line separator
+ * @return String for inserting into pov file
+ */
+ private static String makeTerrainString(File inTerrainFile, File inImageFile, String inLineSeparator)
+ {
+ if (inTerrainFile == null) {return "";}
+ StringBuilder sb = new StringBuilder();
+ sb.append("//Terrain").append(inLineSeparator)
+ .append("height_field {").append(inLineSeparator)
+ .append("\tpng \"").append(inTerrainFile.getName()).append("\" smooth").append(inLineSeparator)
+ .append("\tfinish {diffuse 0.7 phong 0.2}").append(inLineSeparator);
+ if (inImageFile != null) {
+ sb.append("\tpigment {image_map { png \"").append(inImageFile.getName()).append("\" } rotate x*90}").append(inLineSeparator);
+ }
+ else {
+ sb.append("\tpigment {color rgb <0.55 0.7 0.55> }").append(inLineSeparator);
+ }
+ sb.append("\tscale 20.0").append(inLineSeparator)
+ .append("\ttranslate <-10.0, 0, -10.0>").append(inLineSeparator).append("}");
+ return sb.toString();
+ }
+
+ /**
+ * Write out all the data points to the file in the balls-and-sticks style
+ * @param inWriter Writer to use for writing file
+ * @param inModel model object for getting data points
+ * @param inLineSeparator line separator to use
+ * @throws IOException on file writing error
+ */
+ private static void writeDataPointsBallsAndSticks(FileWriter inWriter, ThreeDModel inModel, String inLineSeparator)
+ throws IOException
+ {
+ inWriter.write("// Data points:");
+ inWriter.write(inLineSeparator);
+ int numPoints = inModel.getNumPoints();
+ for (int i=0; i<numPoints; i++)
+ {
+ // ball (different according to type)
+ if (inModel.getPointType(i) == ThreeDModel.POINT_TYPE_WAYPOINT)
+ {
+ // waypoint ball
+ inWriter.write("object { waypoint_sphere translate <" + inModel.getScaledHorizValue(i)
+ + "," + inModel.getScaledAltValue(i) + "," + inModel.getScaledVertValue(i) + "> }");
+ }
+ else
+ {
+ // normal track point ball
+ inWriter.write("object { track_sphere" + checkHeightCode(inModel.getPointHeightCode(i))
+ + " translate <" + inModel.getScaledHorizValue(i) + "," + inModel.getScaledAltValue(i)
+ + "," + inModel.getScaledVertValue(i) + "> }");
+ }
+ inWriter.write(inLineSeparator);
+ // vertical rod (if altitude positive)
+ if (inModel.getScaledAltValue(i) > 0.0)
+ {
+ inWriter.write("object { point_rod translate <" + inModel.getScaledHorizValue(i) + ",0,"
+ + inModel.getScaledVertValue(i) + "> scale <1," + inModel.getScaledAltValue(i) + ",1> }");
+ inWriter.write(inLineSeparator);
+ }
+ }
+ inWriter.write(inLineSeparator);
+ }
+
+
+ /**
+ * Write out all the data points to the file in the tubes-and-walls style
+ * @param inWriter Writer to use for writing file
+ * @param inModel model object for getting data points
+ * @param inLineSeparator line separator to use
+ * @throws IOException on file writing error
+ */
+ private static void writeDataPointsTubesAndWalls(FileWriter inWriter, ThreeDModel inModel, String inLineSeparator)
+ throws IOException
+ {
+ inWriter.write("// Data points:");
+ inWriter.write(inLineSeparator);
+ int numPoints = inModel.getNumPoints();
+ // Loop over all points and write out waypoints as balls
+ for (int i=0; i<numPoints; i++)
+ {
+ if (inModel.getPointType(i) == ThreeDModel.POINT_TYPE_WAYPOINT)
+ {
+ // waypoint ball
+ inWriter.write("object { waypoint_sphere translate <" + inModel.getScaledHorizValue(i)
+ + "," + inModel.getScaledAltValue(i) + "," + inModel.getScaledVertValue(i) + "> }");
+ // vertical rod (if altitude positive)
+ if (inModel.getScaledAltValue(i) > 0.0)
+ {
+ inWriter.write(inLineSeparator);
+ inWriter.write("object { point_rod translate <" + inModel.getScaledHorizValue(i) + ",0,"
+ + inModel.getScaledVertValue(i) + "> scale <1," + inModel.getScaledAltValue(i) + ",1> }");
+ }
+ inWriter.write(inLineSeparator);
+ }
+ }
+ inWriter.write(inLineSeparator);
+
+ // Loop over all the track segments
+ ArrayList<ModelSegment> segmentList = getSegmentList(inModel);
+ Iterator<ModelSegment> segmentIterator = segmentList.iterator();
+ while (segmentIterator.hasNext())
+ {
+ ModelSegment segment = segmentIterator.next();
+ int segLength = segment.getNumTrackPoints();
+
+ // if the track segment is long enough, do a cubic spline sphere sweep
+ if (segLength <= 1)
+ {
+ // single point in segment - just draw sphere
+ int index = segment.getStartIndex();
+ inWriter.write("object { track_sphere_t"
+ + " translate <" + inModel.getScaledHorizValue(index) + "," + inModel.getScaledAltValue(index)
+ + "," + inModel.getScaledVertValue(index) + "> }");
+ // maybe draw some kind of polygon too or rod?
+ }
+ else
+ {
+ writeSphereSweep(inWriter, inModel, segment, inLineSeparator);
+ }
+
+ // Write wall underneath segment
+ if (segLength > 1)
+ {
+ writePolygonWall(inWriter, inModel, segment, inLineSeparator);
+ }
+ }
+ }
+
+
+ /**
+ * Write out a single sphere sweep using either cubic spline or linear spline
+ * @param inWriter Writer to use for writing file
+ * @param inModel model object for getting data points
+ * @param inSegment model segment to draw
+ * @param inLineSeparator line separator to use
+ * @throws IOException on file writing error
+ */
+ private static void writeSphereSweep(FileWriter inWriter, ThreeDModel inModel, ModelSegment inSegment, String inLineSeparator)
+ throws IOException
+ {
+ // 3d sphere sweep
+ inWriter.write("// Sphere sweep:");
+ inWriter.write(inLineSeparator);
+ String splineType = inSegment.getNumTrackPoints() < 5?"linear_spline":"cubic_spline";
+ inWriter.write("sphere_sweep { "); inWriter.write(splineType);
+ inWriter.write(" " + inSegment.getNumTrackPoints() + ",");
+ inWriter.write(inLineSeparator);
+ // Loop over all points in this segment and write out sphere sweep
+ for (int i=inSegment.getStartIndex(); i<=inSegment.getEndIndex(); i++)
+ {
+ if (inModel.getPointType(i) != ThreeDModel.POINT_TYPE_WAYPOINT)
+ {
+ inWriter.write(" <" + inModel.getScaledHorizValue(i) + "," + inModel.getScaledAltValue(i)
+ + "," + inModel.getScaledVertValue(i) + ">, 0.25");
+ inWriter.write(inLineSeparator);
+ }
+ }
+ inWriter.write(" tolerance 0.1");
+ inWriter.write(inLineSeparator);
+ inWriter.write(" texture { pigment {color rgb <0.6 1.0 0.2>} finish {phong 1} }");
+ inWriter.write(inLineSeparator);
+ inWriter.write(" no_shadow");
+ inWriter.write(inLineSeparator);
+ inWriter.write("}");
+ inWriter.write(inLineSeparator);
+ }
+
+
+ /**
+ * Write out a single polygon-based wall for the tubes-and-walls style
+ * @param inWriter Writer to use for writing file
+ * @param inModel model object for getting data points
+ * @param inSegment model segment to draw
+ * @param inLineSeparator line separator to use
+ * @throws IOException on file writing error
+ */
+ private static void writePolygonWall(FileWriter inWriter, ThreeDModel inModel, ModelSegment inSegment, String inLineSeparator)
+ throws IOException
+ {
+ // wall
+ inWriter.write(inLineSeparator);
+ inWriter.write("// wall between sweep and floor:");
+ inWriter.write(inLineSeparator);
+ // Loop over all points in this segment again and write out polygons
+ int prevIndex = -1;
+ for (int i=inSegment.getStartIndex(); i<=inSegment.getEndIndex(); i++)
+ {
+ if (inModel.getPointType(i) != ThreeDModel.POINT_TYPE_WAYPOINT)
+ {
+ if (prevIndex >= 0)
+ {
+ double xDiff = inModel.getScaledHorizValue(i) - inModel.getScaledHorizValue(prevIndex);
+ double yDiff = inModel.getScaledVertValue(i) - inModel.getScaledVertValue(prevIndex);
+ double dist = Math.sqrt(xDiff * xDiff + yDiff * yDiff);
+ if (dist > 0)
+ {
+ inWriter.write("polygon {");
+ inWriter.write(" 5, <" + inModel.getScaledHorizValue(prevIndex) + ", 0.0, " + inModel.getScaledVertValue(prevIndex) + ">,");
+ inWriter.write(" <" + inModel.getScaledHorizValue(prevIndex) + ", " + inModel.getScaledAltValue(prevIndex) + ", "
+ + inModel.getScaledVertValue(prevIndex) + ">,");
+ inWriter.write(" <" + inModel.getScaledHorizValue(i) + ", " + inModel.getScaledAltValue(i) + ", "
+ + inModel.getScaledVertValue(i) + ">,");
+ inWriter.write(" <" + inModel.getScaledHorizValue(i) + ", 0.0, " + inModel.getScaledVertValue(i) + ">,");
+ inWriter.write(" <" + inModel.getScaledHorizValue(prevIndex) + ", 0.0, " + inModel.getScaledVertValue(prevIndex) + ">");
+ inWriter.write(" pigment { color wall_colour } no_shadow");
+ inWriter.write("}");
+ inWriter.write(inLineSeparator);
+ }
+ }
+ prevIndex = i;
+ }
+ }
+ }
+
+
+ /**
+ * @param inCode height code to check
+ * @return validated height code within range 0 to maxHeightCode
+ */
+ private static byte checkHeightCode(byte inCode)
+ {
+ final byte maxHeightCode = 5;
+ if (inCode < 0) return 0;
+ if (inCode > maxHeightCode) return maxHeightCode;
+ return inCode;
+ }
+
+
+ /**
+ * Check the given coordinate
+ * @param inString String entered by user
+ * @return validated String value
+ */
+ private static String checkCoordinate(String inString)
+ {
+ double value = 0.0;
+ try
+ {
+ value = Double.parseDouble(inString);
+ }
+ catch (Exception e) {} // ignore parse failures
+ return "" + value;
+ }
+
+ /**
+ * Go through the points making a list of the segment starts and the number of track points in each segment
+ * @param inModel model containing data
+ * @return list of ModelSegment objects
+ */
+ private static ArrayList<ModelSegment> getSegmentList(ThreeDModel inModel)
+ {
+ ArrayList<ModelSegment> segmentList = new ArrayList<ModelSegment>();
+ if (inModel != null && inModel.getNumPoints() > 0)
+ {
+ ModelSegment currSegment = null;
+ int numTrackPoints = 0;
+ for (int i=0; i<inModel.getNumPoints(); i++)
+ {
+ if (inModel.getPointType(i) != ThreeDModel.POINT_TYPE_WAYPOINT)
+ {
+ if (inModel.getPointType(i) == ThreeDModel.POINT_TYPE_SEGMENT_START || currSegment == null)
+ {
+ // start of segment
+ if (currSegment != null)
+ {
+ currSegment.setEndIndex(i-1);
+ currSegment.setNumTrackPoints(numTrackPoints);
+ segmentList.add(currSegment);
+ numTrackPoints = 0;
+ }
+ currSegment = new ModelSegment(i);
+ }
+ numTrackPoints++;
+ }
+ }
+ // Add last segment to list
+ if (currSegment != null && numTrackPoints > 0)
+ {
+ currSegment.setEndIndex(inModel.getNumPoints()-1);
+ currSegment.setNumTrackPoints(numTrackPoints);
+ segmentList.add(currSegment);
+ }
+ }
+ return segmentList;
+ }
+}