private void OnCalibrationClick(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Calibration Files|*.calib"
+ "|All files|*.*";
openFileDialog.FilterIndex = 1;
openFileDialog.RestoreDirectory = true;
openFileDialog.CheckFileExists = true;
openFileDialog.CheckPathExists = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
string calibFileName = openFileDialog.FileName;
try {
MapCalibration = new MapCalibration();
MapCalibration.read(calibFileName);
redrawLines();
Properties.Settings.Default.LastCalibFile = calibFileName;
Properties.Settings.Default.Save();
} catch (Exception ex) {
Utils.excMsg("Error opening file:" + NL + calibFileName, ex);
return;
}
}
}
private void OnFormShown(object sender, EventArgs e)
{
// This needs to be none in Shown not Load as the sizes aren't
// right then.
string imageFileName = Properties.Settings.Default.LastImageFile;
string calibFileName = Properties.Settings.Default.LastCalibFile;
try {
// Load last image
if (File.Exists(imageFileName))
{
resetImage(imageFileName, true);
}
} catch (Exception ex) {
Utils.excMsg("Error opening last image file:" + NL
+ imageFileName, ex);
return;
}
try {
// Load last calibration
if (File.Exists(calibFileName))
{
MapCalibration = new MapCalibration();
MapCalibration.read(calibFileName);
}
} catch (Exception ex) {
Utils.excMsg("Error opening last calib file:" + NL
+ calibFileName, ex);
return;
}
}
private void OnOpenImageClick(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Image Files|*.png;*.bmp;*.jpg;*.jpeg;*.jpe;*.jfif;*.tif;*.tiff;*.gif"
+ "|JPEG|*.jpg;*.jpeg;*.jpe"
+ "|PNG|*.png"
+ "|All files|*.*";
openFileDialog.FilterIndex = 1;
openFileDialog.RestoreDirectory = true;
openFileDialog.CheckFileExists = true;
openFileDialog.CheckPathExists = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
string fileName = openFileDialog.FileName;
try {
resetImage(fileName, true);
Properties.Settings.Default.LastImageFile = fileName;
Properties.Settings.Default.Save();
} catch (Exception ex) {
Utils.excMsg("Error opening file:" + NL + fileName, ex);
return;
}
// Check if there is a calibration file with the same name
string calibFileName = Path.ChangeExtension(fileName, ".calib");
if (File.Exists(calibFileName))
{
DialogResult res = Utils.confirmMsg(
"There is a calibration file with the same name." + NL
+ "Would you like to open it also?");
if (res == DialogResult.Yes)
{
try {
MapCalibration = new MapCalibration();
MapCalibration.read(calibFileName);
redrawLines();
Properties.Settings.Default.LastCalibFile = calibFileName;
Properties.Settings.Default.Save();
} catch (Exception ex) {
Utils.excMsg("Error opening calib file:" + NL
+ calibFileName, ex);
return;
}
}
}
}
}
/// <summary>
/// Reads lines from a GPX file and adds them to the current lines.
/// </summary>
/// <param name="fileName"></param>
/// <param name="mapCalibration"></param>
/// <returns>The number of trackpoints read.</returns>
public int readGpxLines(string fileName, MapCalibration mapCalibration)
{
XDocument document = XDocument.Load(fileName);
XElement root = document.Root;
int nTrkPoints = 0, nTrkSeg = 0;
double lat, lon;
string strVal;
Point point;
Line line = null;
try {
foreach (XElement elemSeg in from item in root.Descendants().
Where(elemSeg => elemSeg.Name.LocalName == "trkseg")
select item)
{
if (elemSeg.Name.LocalName == "trkseg")
{
nTrkSeg++;
line = new Line();
line.Desc = "Seg " + nTrkSeg + " from " + fileName;
foreach (XElement elemTkpt in from item in elemSeg.Descendants().
Where(elemSeg => elemSeg.Name.LocalName == "trkpt")
select item)
{
nTrkPoints++;
strVal = elemTkpt.Attribute("lat").Value;
lat = Double.Parse(strVal);
strVal = elemTkpt.Attribute("lon").Value;
lon = Double.Parse(strVal);
point = mapCalibration.inverse(lon, lat);
line.addPoint(point);
}
}
if (line != null && line.NPoints > 0)
{
addLine(line);
}
}
} catch (Exception ex) {
Utils.excMsg("Error reading GPX lines", ex);
}
return(nTrkPoints);
}
public void writeGpxFile(String fileName, MapCalibration mapCalibration)
{
if (LinesList == null)
{
return;
}
// Prompt for start time and avg speed
double speed = DEFAULT_SPEED;
InputDialog dlg = new InputDialog("Write GPX",
"Enter the average speed to use:", $"{DEFAULT_SPEED:N1}");
DialogResult res = dlg.ShowDialog();
if (res == DialogResult.OK)
{
string val = dlg.Value;
try {
speed = Convert.ToDouble(val);
} catch (Exception ex) {
Utils.excMsg("Failed to get a valid speed, using "
+ DEFAULT_SPEED + " mph", ex);
}
}
DateTime startTime = DateTime.Now;
dlg = new InputDialog("Write GPX",
"Enter the local start time:", startTime.ToString());
res = dlg.ShowDialog();
if (res == DialogResult.OK)
{
string val = dlg.Value;
try {
startTime = Convert.ToDateTime(val);
} catch (Exception ex) {
Utils.excMsg("Failed to get a valid starttime, " +
"using the current time", ex);
}
}
// Convert to UTC for writing the GPX file
startTime = startTime.ToUniversalTime();
DateTime newTime = startTime;
Point point;
try {
using (StreamWriter outputFile = File.CreateText(fileName)) {
// Write header
outputFile.WriteLine(
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>");
outputFile.WriteLine("<gpx");
outputFile.WriteLine(" creator=\"MapLines\"");
outputFile.WriteLine(" version=\"1.1\"");
outputFile.WriteLine(" xmlns=\"http://www.topografix.com/GPX/1/1\"");
outputFile.WriteLine(
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"");
outputFile.WriteLine(
" xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 ");
outputFile.WriteLine(" http://www.topografix.com/GPX/1/1/gpx.xsd\">");
// Write metadata
outputFile.WriteLine(" <metadata>");
outputFile.WriteLine(" <time>" + startTime.ToString(UTC_FORMAT) + "</time>");
outputFile.WriteLine(" </metadata>");
// Write lines
outputFile.WriteLine(" <trk>");
outputFile.WriteLine(" <extensions>");
outputFile.WriteLine(
" <gpxx:TrackExtension xmlns:gpxx=" +
"\"http://www.garmin.com/xmlschemas/GpxExtensions/v3\">");
outputFile.WriteLine(
" <gpxx:DisplayColor>Blue</gpxx:DisplayColor>");
outputFile.WriteLine(" </gpxx:TrackExtension>");
outputFile.WriteLine(" </extensions>");
double lon0 = 0, lat0 = 0;
double dist = 0;
double distTot = 0;
long time = 0;
foreach (Line line in LinesList)
{
outputFile.WriteLine(" <trkseg>");
outputFile.WriteLine(" <name>" + line.Desc + "</name>");
for (int j = 0; j < line.NPoints; j++)
{
point = line.Points[j];
double[] vals = mapCalibration.transform(point.X,
point.Y);
outputFile.WriteLine($" <trkpt lat=\"{vals[1]:N6}\"" +
$" lon=\"{vals[0]:N6}\">");
outputFile.WriteLine(" <ele>0.0</ele>");
// Increment the time assuming a default speed
if (j == 0)
{
lon0 = vals[0];
lat0 = vals[1];
}
else
{
dist = Math.Abs(Gps.M2MI *
Gps.greatCircleDistance(lat0, lon0, vals[1], vals[0]));
time = (long)(dist / speed * 3600.0 * 1000.0);
newTime = newTime.AddMilliseconds(time);
lon0 = vals[0];
lat0 = vals[1];
}
distTot += dist;
outputFile.WriteLine(" <time>"
+ newTime.ToString(UTC_FORMAT) + "</time>");
outputFile.WriteLine(" </trkpt>");
}
outputFile.WriteLine(" </trkseg>");
}
outputFile.WriteLine(" </trk>");
outputFile.WriteLine("</gpx>");
}
} catch (Exception ex) {
Utils.excMsg("Error writing" + fileName, ex);
return;
}
}