/** Get the data and populate the instance arrays */
public void init() {
initArrays();
_metric = Config.getConfigBoolean(Config.KEY_METRIC_UNITS);
_hasData = false;
_minValue = _maxValue = 0.0;
if (_track != null) {
DataPoint prevPrevPoint = null, prevPoint = null, point = null;
for (int i = 0; i < _track.getNumPoints(); i++) {
point = _track.getPoint(i);
if (prevPrevPoint != null
&& prevPrevPoint.hasTimestamp()
&& prevPoint != null
&& prevPoint.hasTimestamp()
&& point != null
&& point.hasTimestamp()) {
// All three points have timestamps
double seconds = point.getTimestamp().getSecondsSince(prevPrevPoint.getTimestamp());
if (seconds > 0) {
double distInRads =
DataPoint.calculateRadiansBetween(prevPrevPoint, prevPoint)
+ DataPoint.calculateRadiansBetween(prevPoint, point);
double dist =
Distance.convertRadiansToDistance(
distInRads, _metric ? Units.KILOMETRES : Units.MILES);
// Store the value and maintain max and min values
double value = dist / seconds * 60.0 * 60.0;
_pointValues[i - 1] = value;
if (value < _minValue || _minValue == 0.0) {
_minValue = value;
}
if (value > _maxValue) {
_maxValue = value;
}
_hasData = true;
_pointHasData[i - 1] = true;
}
}
// Exchange points
prevPrevPoint = prevPoint;
prevPoint = point;
}
}
}
/** Add custom sources from Config to the library */
private static void addConfigSources() {
String configString = Config.getConfigString(Config.KEY_MAPSOURCE_LIST);
if (configString != null && configString.length() > 10) {
// Loop over sources in string, separated by vertical bars
int splitPos = configString.indexOf('|');
while (splitPos > 0) {
String sourceString = configString.substring(0, splitPos);
MapSource source = OsmMapSource.fromConfig(sourceString);
if (source == null) {
source = CloudmadeMapSource.fromConfig(sourceString);
}
if (source != null) {
_sourceList.add(source);
}
configString = configString.substring(splitPos + 1);
splitPos = configString.indexOf('|');
}
}
}
/**
* Main method
*
* @param args command line arguments
*/
public static void main(String[] args) {
Locale locale = null;
String localeCode = null;
String langFilename = null;
String configFilename = null;
ArrayList<File> dataFiles = new ArrayList<File>();
boolean showUsage = false;
// Mac OSX - specific properties (Mac insists that this is done as soon as possible)
if (System.getProperty("mrj.version") != null) {
System.setProperty("apple.laf.useScreenMenuBar", "true"); // menu at top of screen
System.setProperty("com.apple.mrj.application.apple.menu.about.name", PROGRAM_NAME);
}
// Loop over given arguments, if any
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (arg.startsWith("--lang=")) {
localeCode = arg.substring(7);
locale = getLanguage(localeCode);
} else if (arg.startsWith("--langfile=")) {
langFilename = arg.substring(11);
} else if (arg.startsWith("--configfile=")) {
configFilename = arg.substring(13);
} else if (arg.startsWith("--help")) {
showUsage = true;
} else {
// Check if a data file has been given
File f = new File(arg);
if (f.exists() && f.canRead()) {
dataFiles.add(f);
} else {
System.out.println("Unknown parameter '" + arg + "'.");
showUsage = true;
}
}
}
if (showUsage) {
System.out.println(
"Possible parameters:"
+ "\n --configfile=<file> used to specify a configuration file"
+ "\n --lang=<code> used to specify language code such as DE"
+ "\n --langfile=<file> used to specify an alternative language file\n");
}
// Initialise configuration if selected
try {
if (configFilename != null) {
Config.loadFile(new File(configFilename));
} else {
Config.loadDefaultFile();
}
} catch (ConfigException ce) {
System.err.println("Failed to load config file: " + configFilename);
}
boolean overrideLang = (locale != null);
if (overrideLang) {
// Make sure Config holds chosen language
Config.setConfigString(Config.KEY_LANGUAGE_CODE, localeCode);
} else {
// Set locale according to Config's language property
String configLang = Config.getConfigString(Config.KEY_LANGUAGE_CODE);
if (configLang != null) {
Locale configLocale = getLanguage(configLang);
if (configLocale != null) {
locale = configLocale;
}
}
}
I18nManager.init(locale);
// Load the external language file, either from config file or from command line params
if (langFilename == null && !overrideLang) {
// If langfilename is blank on command line parameters then don't use setting from config
langFilename = Config.getConfigString(Config.KEY_LANGUAGE_FILE);
}
if (langFilename != null && !langFilename.equals("")) {
try {
I18nManager.addLanguageFile(langFilename);
Config.setConfigString(Config.KEY_LANGUAGE_FILE, langFilename);
} catch (FileNotFoundException fnfe) {
System.err.println("Failed to load language file: " + langFilename);
}
}
// Set up the window and go
launch(dataFiles);
}