+++ /dev/null
-package net.sf.openrocket.file;
-
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.zip.GZIPOutputStream;
-
-import net.sf.openrocket.aerodynamics.Warning;
-import net.sf.openrocket.document.OpenRocketDocument;
-import net.sf.openrocket.document.Simulation;
-import net.sf.openrocket.document.StorageOptions;
-import net.sf.openrocket.rocketcomponent.FinSet;
-import net.sf.openrocket.rocketcomponent.Rocket;
-import net.sf.openrocket.rocketcomponent.RocketComponent;
-import net.sf.openrocket.rocketcomponent.TubeCoupler;
-import net.sf.openrocket.simulation.FlightData;
-import net.sf.openrocket.simulation.FlightDataBranch;
-import net.sf.openrocket.simulation.FlightEvent;
-import net.sf.openrocket.simulation.SimulationConditions;
-import net.sf.openrocket.util.MathUtil;
-import net.sf.openrocket.util.Pair;
-import net.sf.openrocket.util.Prefs;
-import net.sf.openrocket.util.Reflection;
-import net.sf.openrocket.util.TextUtil;
-
-public class OpenRocketSaver extends RocketSaver {
-
- /**
- * Divisor used in converting an integer version to the point-represented version.
- * The integer version divided by this value is the major version and the remainder is
- * the minor version. For example 101 corresponds to file version "1.1".
- */
- public static final int FILE_VERSION_DIVISOR = 100;
-
-
- private static final String OPENROCKET_CHARSET = "UTF-8";
-
- private static final String METHOD_PACKAGE = "net.sf.openrocket.file.openrocket";
- private static final String METHOD_SUFFIX = "Saver";
-
-
- // Estimated storage used by different portions
- // These have been hand-estimated from saved files
- private static final int BYTES_PER_COMPONENT_UNCOMPRESSED = 590;
- private static final int BYTES_PER_COMPONENT_COMPRESSED = 80;
- private static final int BYTES_PER_SIMULATION_UNCOMPRESSED = 1000;
- private static final int BYTES_PER_SIMULATION_COMPRESSED = 100;
- private static final int BYTES_PER_DATAPOINT_UNCOMPRESSED = 350;
- private static final int BYTES_PER_DATAPOINT_COMPRESSED = 100;
-
-
- private int indent;
- private Writer dest;
-
- @Override
- public void save(OutputStream output, OpenRocketDocument document, StorageOptions options)
- throws IOException {
-
- if (options.isCompressionEnabled()) {
- output = new GZIPOutputStream(output);
- }
-
- dest = new BufferedWriter(new OutputStreamWriter(output, OPENROCKET_CHARSET));
-
- final int fileVersion = calculateNecessaryFileVersion(document, options);
- final String fileVersionString =
- (fileVersion / FILE_VERSION_DIVISOR) + "." + (fileVersion % FILE_VERSION_DIVISOR);
-
-
- this.indent = 0;
-
- System.out.println("Writing...");
-
- writeln("<?xml version='1.0' encoding='utf-8'?>");
- writeln("<openrocket version=\"" + fileVersionString + "\" creator=\"OpenRocket "
- + Prefs.getVersion() + "\">");
- indent++;
-
- // Recursively save the rocket structure
- saveComponent(document.getRocket());
-
- writeln("");
-
- // Save all simulations
- writeln("<simulations>");
- indent++;
- boolean first = true;
- for (Simulation s: document.getSimulations()) {
- if (!first)
- writeln("");
- first = false;
- saveSimulation(s, options.getSimulationTimeSkip());
- }
- indent--;
- writeln("</simulations>");
-
- indent--;
- writeln("</openrocket>");
-
- dest.flush();
- if (options.isCompressionEnabled()) {
- ((GZIPOutputStream)output).finish();
- }
- }
-
-
-
- @Override
- public long estimateFileSize(OpenRocketDocument doc, StorageOptions options) {
-
- long size = 0;
-
- // Size per component
- int componentCount = 0;
- Rocket rocket = doc.getRocket();
- Iterator<RocketComponent> iterator = rocket.deepIterator(true);
- while (iterator.hasNext()) {
- iterator.next();
- componentCount++;
- }
-
- if (options.isCompressionEnabled())
- size += componentCount * BYTES_PER_COMPONENT_COMPRESSED;
- else
- size += componentCount * BYTES_PER_COMPONENT_UNCOMPRESSED;
-
-
- // Size per simulation
- if (options.isCompressionEnabled())
- size += doc.getSimulationCount() * BYTES_PER_SIMULATION_COMPRESSED;
- else
- size += doc.getSimulationCount() * BYTES_PER_SIMULATION_UNCOMPRESSED;
-
-
- // Size per flight data point
- int pointCount = 0;
- double timeSkip = options.getSimulationTimeSkip();
- if (timeSkip != StorageOptions.SIMULATION_DATA_NONE) {
- for (Simulation s: doc.getSimulations()) {
- FlightData data = s.getSimulatedData();
- if (data != null) {
- for (int i=0; i < data.getBranchCount(); i++) {
- pointCount += countFlightDataBranchPoints(data.getBranch(i), timeSkip);
- }
- }
- }
- }
-
- if (options.isCompressionEnabled())
- size += pointCount * BYTES_PER_DATAPOINT_COMPRESSED;
- else
- size += pointCount * BYTES_PER_DATAPOINT_UNCOMPRESSED;
-
- return size;
- }
-
-
- /**
- * Determine which file version is required in order to store all the features of the
- * current design. By default the oldest version that supports all the necessary features
- * will be used.
- *
- * @param document the document to output.
- * @param opts the storage options.
- * @return the integer file version to use.
- */
- private int calculateNecessaryFileVersion(OpenRocketDocument document, StorageOptions opts) {
- /*
- * File version 1.1 is required for:
- * - fin tabs
- * - components attached to tube coupler
- *
- * Otherwise use version 1.0.
- */
-
- // Check for fin tabs (version 1.1)
- Iterator<RocketComponent> iterator = document.getRocket().deepIterator();
- while (iterator.hasNext()) {
- RocketComponent c = iterator.next();
-
- // Check for fin tabs
- if (c instanceof FinSet) {
- FinSet fin = (FinSet)c;
- if (!MathUtil.equals(fin.getTabHeight(),0) &&
- !MathUtil.equals(fin.getTabLength(), 0)) {
- return FILE_VERSION_DIVISOR + 1;
- }
- }
-
- // Check for components attached to tube coupler
- if (c instanceof TubeCoupler) {
- if (c.getChildCount() > 0) {
- return FILE_VERSION_DIVISOR + 1;
- }
- }
- }
-
- // Default (version 1.0)
- return FILE_VERSION_DIVISOR + 0;
- }
-
-
-
- @SuppressWarnings("unchecked")
- private void saveComponent(RocketComponent component) throws IOException {
-
- Reflection.Method m = Reflection.findMethod(METHOD_PACKAGE, component, METHOD_SUFFIX,
- "getElements", RocketComponent.class);
- if (m==null) {
- throw new RuntimeException("Unable to find saving class for component "+
- component.getComponentName());
- }
-
- // Get the strings to save
- List<String> list = (List<String>) m.invokeStatic(component);
- int length = list.size();
-
- if (length == 0) // Nothing to do
- return;
-
- if (length < 2) {
- throw new RuntimeException("BUG, component data length less than two lines.");
- }
-
- // Open element
- writeln(list.get(0));
- indent++;
-
- // Write parameters
- for (int i=1; i<length-1; i++) {
- writeln(list.get(i));
- }
-
- // Recursively write subcomponents
- if (component.getChildCount() > 0) {
- writeln("");
- writeln("<subcomponents>");
- indent++;
- boolean emptyline = false;
- for (RocketComponent subcomponent: component) {
- if (emptyline)
- writeln("");
- emptyline = true;
- saveComponent(subcomponent);
- }
- indent--;
- writeln("</subcomponents>");
- }
-
- // Close element
- indent--;
- writeln(list.get(length-1));
- }
-
-
-
- private void saveSimulation(Simulation simulation, double timeSkip) throws IOException {
- SimulationConditions cond = simulation.getConditions();
-
- writeln("<simulation status=\"" + enumToXMLName(simulation.getStatus()) +"\">");
- indent++;
-
- writeln("<name>" + escapeXML(simulation.getName()) + "</name>");
- // TODO: MEDIUM: Other simulators/calculators
- writeln("<simulator>RK4Simulator</simulator>");
- writeln("<calculator>BarrowmanCalculator</calculator>");
- writeln("<conditions>");
- indent++;
-
- writeElement("configid", cond.getMotorConfigurationID());
- writeElement("launchrodlength", cond.getLaunchRodLength());
- writeElement("launchrodangle", cond.getLaunchRodAngle() * 180.0/Math.PI);
- writeElement("launchroddirection", cond.getLaunchRodDirection() * 180.0/Math.PI);
- writeElement("windaverage", cond.getWindSpeedAverage());
- writeElement("windturbulence", cond.getWindTurbulenceIntensity());
- writeElement("launchaltitude", cond.getLaunchAltitude());
- writeElement("launchlatitude", cond.getLaunchLatitude());
-
- if (cond.isISAAtmosphere()) {
- writeln("<atmosphere model=\"isa\"/>");
- } else {
- writeln("<atmosphere model=\"extendedisa\">");
- indent++;
- writeElement("basetemperature", cond.getLaunchTemperature());
- writeElement("basepressure", cond.getLaunchPressure());
- indent--;
- writeln("</atmosphere>");
- }
-
- writeElement("timestep", cond.getTimeStep());
-
- indent--;
- writeln("</conditions>");
-
-
- for (String s: simulation.getSimulationListeners()) {
- writeElement("listener", escapeXML(s));
- }
-
-
- // Write basic simulation data
-
- FlightData data = simulation.getSimulatedData();
- if (data != null) {
- String str = "<flightdata";
- if (!Double.isNaN(data.getMaxAltitude()))
- str += " maxaltitude=\"" + TextUtil.doubleToString(data.getMaxAltitude()) + "\"";
- if (!Double.isNaN(data.getMaxVelocity()))
- str += " maxvelocity=\"" + TextUtil.doubleToString(data.getMaxVelocity()) + "\"";
- if (!Double.isNaN(data.getMaxAcceleration()))
- str += " maxacceleration=\"" + TextUtil.doubleToString(data.getMaxAcceleration()) + "\"";
- if (!Double.isNaN(data.getMaxMachNumber()))
- str += " maxmach=\"" + TextUtil.doubleToString(data.getMaxMachNumber()) + "\"";
- if (!Double.isNaN(data.getTimeToApogee()))
- str += " timetoapogee=\"" + TextUtil.doubleToString(data.getTimeToApogee()) + "\"";
- if (!Double.isNaN(data.getFlightTime()))
- str += " flighttime=\"" + TextUtil.doubleToString(data.getFlightTime()) + "\"";
- if (!Double.isNaN(data.getGroundHitVelocity()))
- str += " groundhitvelocity=\"" + TextUtil.doubleToString(data.getGroundHitVelocity()) + "\"";
- str += ">";
- writeln(str);
- indent++;
-
- for (Warning w: data.getWarningSet()) {
- writeElement("warning", escapeXML(w.toString()));
- }
-
- // Check whether to store data
- if (simulation.getStatus() == Simulation.Status.EXTERNAL) // Always store external data
- timeSkip = 0;
-
- if (timeSkip != StorageOptions.SIMULATION_DATA_NONE) {
- for (int i=0; i<data.getBranchCount(); i++) {
- FlightDataBranch branch = data.getBranch(i);
- saveFlightDataBranch(branch, timeSkip);
- }
- }
-
- indent--;
- writeln("</flightdata>");
- }
-
- indent--;
- writeln("</simulation>");
-
- }
-
-
-
- private void saveFlightDataBranch(FlightDataBranch branch, double timeSkip)
- throws IOException {
- double previousTime = -100000;
-
- if (branch == null)
- return;
-
- // Retrieve the types from the branch
- FlightDataBranch.Type[] types = branch.getTypes();
-
- if (types.length == 0)
- return;
-
- // Retrieve the data from the branch
- List<List<Double>> data = new ArrayList<List<Double>>(types.length);
- for (int i=0; i<types.length; i++) {
- data.add(branch.get(types[i]));
- }
- List<Double> timeData = branch.get(FlightDataBranch.TYPE_TIME);
- if (timeData == null) {
- // TODO: MEDIUM: External data may not have time data
- throw new IllegalArgumentException("Data did not contain time data");
- }
-
- // Build the <databranch> tag
- StringBuilder sb = new StringBuilder();
- sb.append("<databranch name=\"");
- sb.append(escapeXML(branch.getBranchName()));
- sb.append("\" types=\"");
- for (int i=0; i<types.length; i++) {
- if (i > 0)
- sb.append(",");
- sb.append(escapeXML(types[i].getName()));
- }
- sb.append("\">");
- writeln(sb.toString());
- indent++;
-
- // Write events
- for (Pair<Double,FlightEvent> p: branch.getEvents()) {
- writeln("<event time=\"" + TextUtil.doubleToString(p.getU())
- + "\" type=\"" + enumToXMLName(p.getV().getType()) + "\"/>");
- }
-
- // Write the data
- int length = branch.getLength();
- if (length > 0) {
- writeDataPointString(data, 0, sb);
- previousTime = timeData.get(0);
- }
-
- for (int i=1; i < length-1; i++) {
- if (Math.abs(timeData.get(i) - previousTime - timeSkip) <
- Math.abs(timeData.get(i+1) - previousTime - timeSkip)) {
- writeDataPointString(data, i, sb);
- previousTime = timeData.get(i);
- }
- }
-
- if (length > 1) {
- writeDataPointString(data, length-1, sb);
- }
-
- indent--;
- writeln("</databranch>");
- }
-
-
-
- /* TODO: LOW: This is largely duplicated from above! */
- private int countFlightDataBranchPoints(FlightDataBranch branch, double timeSkip) {
- int count = 0;
-
- double previousTime = -100000;
-
- if (branch == null)
- return 0;
-
- // Retrieve the types from the branch
- FlightDataBranch.Type[] types = branch.getTypes();
-
- if (types.length == 0)
- return 0;
-
- List<Double> timeData = branch.get(FlightDataBranch.TYPE_TIME);
- if (timeData == null) {
- // TODO: MEDIUM: External data may not have time data
- throw new IllegalArgumentException("Data did not contain time data");
- }
-
- // Write the data
- int length = branch.getLength();
- if (length > 0) {
- count++;
- previousTime = timeData.get(0);
- }
-
- for (int i=1; i < length-1; i++) {
- if (Math.abs(timeData.get(i) - previousTime - timeSkip) <
- Math.abs(timeData.get(i+1) - previousTime - timeSkip)) {
- count++;
- previousTime = timeData.get(i);
- }
- }
-
- if (length > 1) {
- count++;
- }
-
- return count;
- }
-
-
-
- private void writeDataPointString(List<List<Double>> data, int index, StringBuilder sb)
- throws IOException {
- sb.setLength(0);
- sb.append("<datapoint>");
- for (int j=0; j < data.size(); j++) {
- if (j > 0)
- sb.append(",");
- sb.append(TextUtil.doubleToString(data.get(j).get(index)));
- }
- sb.append("</datapoint>");
- writeln(sb.toString());
- }
-
-
-
- private void writeElement(String element, Object content) throws IOException {
- if (content == null)
- content = "";
- writeln("<"+element+">"+content+"</"+element+">");
- }
-
-
-
- private void writeln(String str) throws IOException {
- if (str.length() == 0) {
- dest.write("\n");
- return;
- }
- String s="";
- for (int i=0; i<indent; i++)
- s=s+" ";
- s = s+str+"\n";
- dest.write(s);
- }
-
-
- public static void main(String[] arg) {
- double d = -0.000000123456789123;
-
-
- for (int i=0; i< 20; i++) {
- String str = TextUtil.doubleToString(d);
- System.out.println(str + " -> " + Double.parseDouble(str));
- d *= 10;
- }
-
-
- System.out.println("Value: "+ Double.parseDouble("1.2345e9"));
-
- }
-
-
- /**
- * Return the XML equivalent of an enum name.
- *
- * @param e the enum to save.
- * @return the corresponding XML name.
- */
- public static String enumToXMLName(Enum<?> e) {
- return e.name().toLowerCase().replace("_", "");
- }
-
-}
projects / debian / openrocket / blobdiff