本文整理汇总了C#中LibGeo.GeoCoord.bearing方法的典型用法代码示例。如果您正苦于以下问题：C# GeoCoord.bearing方法的具体用法？C# GeoCoord.bearing怎么用？C# GeoCoord.bearing使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LibGeo.GeoCoord的用法示例。
在下文中一共展示了GeoCoord.bearing方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: realtimeCallback
private void realtimeCallback( GpsRealTimeData rtData )
{
if(!closing)
{
this.timeLabel.Text = rtData.time.Equals(DateTime.MinValue) ? "" : ("" + Project.zuluToLocal(rtData.time));
this.fixLabel.Text = rtData.fixStr;
this.statusLabel.Text = "PC: " + DateTime.Now.ToLongTimeString() + " - " + rtData.comment;
switch (rtData.fix)
{
case 0:
case 1:
case -1:
this.positionLabel.Text = "No GPS fix";
this.altLabel.Text = "";
this.accuracyLabel.Text = "";
this.speedLabel.Text = "";
this.magnHeadingLabel.Text = "";
this.trueHeadingLabel.Text = "";
this.slopeLabel.Text = "";
lastFixLoc = null;
gpsBasicsGroupBox.BackColor = Color.Pink;
gpsBasicsGroupBox.Text = "";
break;
default:
if(rtData.location != null)
{
string sLoc = rtData.location.ToString(); // alt not included
this.positionLabel.Text = sLoc.Replace(" ", " ");
//LibSys.StatusBar.Trace2(sLoc);
Distance dAlt = new Distance(rtData.location.Elev);
this.altLabel.Text = "" + dAlt.ToString(Distance.UNITS_DISTANCE_FEET);
}
else
{
this.positionLabel.Text = "";
this.altLabel.Text = "";
//LibSys.StatusBar.Trace2("GPS: no fix");
}
Distance dAccH = new Distance(rtData.posErrorH);
Distance dAccV = new Distance(rtData.posErrorV);
this.accuracyLabel.Text =
(rtData.posErrorH > 0 ? (dAccH.ToString(Distance.UNITS_DISTANCE_FEET) + "(Horiz)") : "") + " "
+ (rtData.posErrorV > 0 ? (dAccV.ToString(Distance.UNITS_DISTANCE_FEET) + "(Vert)") : "");
double variation = Math.Round(rtData.location.magneticVariation());
string variationDir = variation > 0.0d ? "W" : "E";
bool hasHeading = false;
double headingTrue = 0.0d;
double headingMagn = 0.0d;
string slopeInfo = "";
if(lastFixLoc != null)
{
headingTrue = Math.Round(lastFixLoc.bearing(rtData.location) * 180.0d / Math.PI, 1);
headingMagn = (headingTrue + variation + 360.0d) % 360.0d;
hasHeading = true;
double dAlt = rtData.location.Elev - lastFixLoc.Elev; // meters
double dDist = rtData.location.distanceFrom(lastFixLoc).Meters;
double dSlope = Math.Atan(dAlt / dDist) * 180.0d / Math.PI;
double dTimeMs = (DateTime.Now - lastFixDateTime).TotalMilliseconds + 1.0d; // 1.0d to avoid 0
double fpm = dAlt / dTimeMs / Distance.METERS_PER_FOOT * 1000.0d * 60.0d;
string fpmFormat = Math.Abs(fpm) > 20.0d ? "1:F0" : "1:F1";
if(fpm > 1.0d || dSlope >= 0.1d)
{
slopeInfo = String.Format("slope: {0:F1}° (up) - climbing at {" + fpmFormat + "} fpm", dSlope, fpm);
}
else if(fpm < -1.0d || dSlope <= -0.1d)
{
slopeInfo = String.Format("slope: {0:F1}° (down) - descending at {" + fpmFormat + "} fpm", -dSlope, -fpm);
}
}
Speed dSpeed = new Speed(rtData.velocity * 3600.0d); // rtData.velocity is in meters/sec, Speed requires meters/hr
if(dSpeed.Meters < 300)
{
this.speedLabel.Text = "0";
this.magnHeadingLabel.Text = "";
this.trueHeadingLabel.Text = "";
}
else
{
this.speedLabel.Text = dSpeed.ToString();
}
this.magnHeadingLabel.Text = (hasHeading ? String.Format("{0:000}°", Math.Round(headingMagn)) : "");
this.trueHeadingLabel.Text = (hasHeading ? String.Format("true heading: {0:000}°", Math.Round(headingTrue)) : "") + String.Format(" variation {0:F0}{1}", Math.Abs(variation), variationDir);
this.slopeLabel.Text = slopeInfo;
lastFixLoc = new GeoCoord(rtData.location);
lastFixDateTime = DateTime.Now;
gpsBasicsGroupBox.BackColor = Color.LightGreen;
gpsBasicsGroupBox.Text = "";
break;
}
}
}示例2: adjustTimeShiftByPhotopoint
private void adjustTimeShiftByPhotopoint()
{
try
{
Waypoint wptToAdjust = PhotoWaypoints.getWaypointById(Project.photoSelectedWptId);
long trackId = wptToAdjust.TrackId;
Track track = WaypointsCache.getTrackById(trackId);
GeoCoord photoDesiredLocation = new GeoCoord(Project.photoSelectedCoord.X, Project.photoSelectedCoord.Y);
this.traceLabel.Text = "Adjusting photopoint " + wptToAdjust.Name + " track: " + trackId + " to: " + photoDesiredLocation + "\r\n";
// compute the closest trackpoint (to the click):
Waypoint closestTrackpoint1 = null;
int closestTrackpointIndex = -1;
double closestDistance1 = 100000000.0;
double bearing1 = 0.0d;
for(int j=0; j < track.Trackpoints.Count ;j++)
{
Waypoint trkpt = (Waypoint)track.Trackpoints.GetByIndex(j);
Distance dst = trkpt.Location.distanceFrom(photoDesiredLocation);
if(dst.Meters < closestDistance1)
{
closestDistance1 = dst.Meters;
closestTrackpoint1 = trkpt;
closestTrackpointIndex = j;
bearing1 = photoDesiredLocation.bearing(closestTrackpoint1.Location);
}
}
// this.traceLabel.Text += "point1: " + closestTrackpoint1.Name + " (" + closestDistance1 + ")";
// measure the previous and next trackpoints, choose the closest of them to the click:
Waypoint closestTrackpoint2 = null;
double closestDistance2 = 10000000000.0d;
double bearing2 = 0.0d;
if(closestTrackpointIndex > 0)
{
// previous:
closestTrackpoint2 = (Waypoint)track.Trackpoints.GetByIndex(closestTrackpointIndex - 1);
closestDistance2 = closestTrackpoint2.Location.distanceFrom(photoDesiredLocation).Meters;
bearing2 = photoDesiredLocation.bearing(closestTrackpoint2.Location);
}
Waypoint closestTrackpoint3 = null;
double closestDistance3 = 10000000000.0d;
double bearing3 = 0.0d;
if(closestTrackpointIndex < track.Trackpoints.Count - 1)
{
// next:
closestTrackpoint3 = (Waypoint)track.Trackpoints.GetByIndex(closestTrackpointIndex + 1);
closestDistance3 = closestTrackpoint3.Location.distanceFrom(photoDesiredLocation).Meters;
bearing3 = photoDesiredLocation.bearing(closestTrackpoint3.Location);
}
bool useNext = closestTrackpoint2 == null
|| closestTrackpoint3 != null && (Math.Abs(bearing3 - bearing1) > Math.Abs(bearing2 - bearing1));
if(useNext)
{
// using the next - it's leg is turned more towards the desired point:
closestTrackpoint2 = closestTrackpoint3;
closestDistance2 = closestDistance3;
}
// at this point closestTrackpoint3 is irrelevant, all is defined by the 1 and 2 and the ratio:
// this.traceLabel.Text += " point2: " + closestTrackpoint2.Name + " (" + closestDistance2 + ")";
Graphics g = PictureManager.This.Graphics;
Point p0 = CameraManager.This.toPixelLocation(photoDesiredLocation, null);
// Point p1 = CameraManager.This.toPixelLocation(closestTrackpoint1.Location, null);
// Point p2 = CameraManager.This.toPixelLocation(closestTrackpoint2.Location, null);
// g.DrawLine(Pens.Yellow, p0, p1);
// g.DrawLine(Pens.Yellow, p1, p2);
// g.DrawLine(Pens.Yellow, p2, p0);
// The main point is closestTrackpoint1, the other point is always closestTrackpoint2.
// positive ratio means go forward towards the next point, negative - go back towards the previous:
double ratio = closestDistance1 / (closestDistance1 + closestDistance2);
// this.traceLabel.Text += "\r\nratio: " + ratio;
double lat = closestTrackpoint1.Location.Lat + (closestTrackpoint2.Location.Lat - closestTrackpoint1.Location.Lat) * ratio;
double lng = closestTrackpoint1.Location.Lng + (closestTrackpoint2.Location.Lng - closestTrackpoint1.Location.Lng) * ratio;
long midTicks = (long)Math.Round(closestTrackpoint1.DateTime.Ticks + (closestTrackpoint2.DateTime.Ticks - closestTrackpoint1.DateTime.Ticks) * ratio);
GeoCoord midpoint = new GeoCoord(lng, lat);
Point pMid = CameraManager.This.toPixelLocation(midpoint, null);
g.DrawLine(Pens.Red, pMid, p0);
long ticksToAdjust = midTicks - wptToAdjust.DateTime.Ticks;
TimeSpan toAdjust = new TimeSpan(ticksToAdjust);
this.traceLabel.Text += " midpoint: " + midpoint + " toAdjust=" + toAdjust;
// //CameraManager.This.MarkLocation(midpoint, 0);
// Waypoint wpt = new Waypoint(wptToAdjust);
// wpt.TrackId = -1L;
//.........这里部分代码省略.........