/// <summary>
/// Creates keyframes along the path using the user defined settings.
/// </summary>
/// <param name="line">The geometry of the line to fly along.</param>
/// <param name="verticalUnit">The elevation unit of the 3D layer</param>
internal Task CreateKeyframesAlongPath(Polyline line, Unit verticalUnit)
{
return(QueuedTask.Run(() =>
{
var mapView = MapView.Active;
if (mapView == null)
{
return;
}
//Get the camera track from the active map's animation.
//There will always be only one camera track in the animation.
var cameraTrack = mapView.Map.Animation.Tracks.OfType <CameraTrack>().First();
//Get some of the user settings for constructing the keyframes alone the path.
var densifyDistance = Animation.Settings.KeyEvery;
var verticalOffset = Animation.Settings.HeightAbove / ((mapView.Map.SpatialReference.IsGeographic) ? 1.0 : mapView.Map.SpatialReference.Unit.ConversionFactor); //1 meter
double currentTimeSeconds = GetInsertTime(mapView.Map.Animation);
//We need to project the line to a projected coordinate system to calculate the line's length in 3D
//as well as more accurately calculated heading and pitch along the path.
if (line.SpatialReference.IsGeographic)
{
if (mapView.Map.SpatialReference.IsGeographic)
{
var transformation = ProjectionTransformation.Create(line.SpatialReference, SpatialReferences.WebMercator, line.Extent);
line = GeometryEngine.Instance.ProjectEx(line, transformation) as Polyline;
}
else
{
var transformation = ProjectionTransformation.Create(line.SpatialReference, mapView.Map.SpatialReference, line.Extent);
line = GeometryEngine.Instance.ProjectEx(line, transformation) as Polyline;
}
}
//If the user has specified to create keyframes at additional locations than just the vertices
//we will densify the line by the distance the user specified.
if (!Animation.Settings.VerticesOnly)
{
line = GeometryEngine.Instance.DensifyByLength(line, densifyDistance / line.SpatialReference.Unit.ConversionFactor) as Polyline;
}
//To maintain a constant speed we need to divide the total time we want the animation to take by the length of the line.
var duration = Animation.Settings.Duration;
var secondsPerUnit = duration / line.Length3D;
Camera prevCamera = null;
//Loop over each vertex in the line and create a new keyframe at each.
for (int i = 0; i < line.PointCount; i++)
{
#region Camera
MapPoint cameraPoint = line.Points[i];
//If the point is not in the same spatial reference of the map we need to project it.
if (cameraPoint.SpatialReference.Wkid != mapView.Map.SpatialReference.Wkid)
{
var transformation = ProjectionTransformation.Create(cameraPoint.SpatialReference, mapView.Map.SpatialReference);
cameraPoint = GeometryEngine.Instance.Project(cameraPoint, mapView.Map.SpatialReference) as MapPoint;
}
//Construct a new camera from the point.
var camera = new Camera(cameraPoint.X, cameraPoint.Y, cameraPoint.Z,
Animation.Settings.Pitch, 0.0, cameraPoint.SpatialReference, CameraViewpoint.LookFrom);
//Convert the Z unit to meters if the camera is not in a geographic coordinate system.
if (!camera.SpatialReference.IsGeographic)
{
camera.Z /= camera.SpatialReference.Unit.ConversionFactor;
}
//Convert the Z to the unit of the layer's elevation unit and then add the user defined offset from the line.
camera.Z *= verticalUnit.ConversionFactor;
camera.Z += verticalOffset;
//If this is the last point in the collection use the same heading and pitch from the previous camera.
if (i + 1 == line.Points.Count)
{
camera.Heading = prevCamera.Heading;
camera.Pitch = prevCamera.Pitch;
}
else
{
var currentPoint = line.Points[i];
var nextPoint = line.Points[i + 1];
#region Heading
//Calculate the heading from the current point to the next point in the path.
var difX = nextPoint.X - currentPoint.X;
var difY = nextPoint.Y - currentPoint.Y;
var radian = Math.Atan2(difX, difY);
var heading = radian * -180 / Math.PI;
camera.Heading = heading;
#endregion
#region Pitch
//If the user doesn't want to hardcode the pitch, calculate the pitch based on the current point to the next point.
if (Animation.Settings.UseLinePitch)
{
var hypotenuse = Math.Sqrt(Math.Pow(difX, 2) + Math.Pow(difY, 2));
var difZ = nextPoint.Z - currentPoint.Z;
//If the line's unit is not the same as the elevation unit of the layer we need to convert the Z so they are in the same unit.
if (line.SpatialReference.Unit.ConversionFactor != verticalUnit.ConversionFactor)
{
difZ *= (verticalUnit.ConversionFactor / line.SpatialReference.Unit.ConversionFactor);
}
radian = Math.Atan2(difZ, hypotenuse);
var pitch = radian * 180 / Math.PI;
camera.Pitch = pitch;
}
else
{
camera.Pitch = Animation.Settings.Pitch;
}
#endregion
}
#endregion
#region Time
//The first point will have a time of 0 seconds, after that we need to set the time based on the 3D distance between the points.
if (i > 0)
{
var lineSegment = PolylineBuilderEx.CreatePolyline(new List <MapPoint>()
{
line.Points[i - 1], line.Points[i]
},
AttributeFlags.HasZ,
line.SpatialReference);
var length = lineSegment.Length3D;
currentTimeSeconds += length * secondsPerUnit;
}
#endregion
//Create a new keyframe using the camera and the time.
cameraTrack.CreateKeyframe(camera, TimeSpan.FromSeconds(currentTimeSeconds), AnimationTransition.Linear);
prevCamera = camera;
}
}));
}
/// <summary>
/// Create keyframes centered around a point.
/// </summary>
/// <param name="point">The center point around which the keyframes are created.</param>
internal Task CreateKeyframesAroundPoint(MapPoint point)
{
return(QueuedTask.Run(() =>
{
var mapView = MapView.Active;
var degrees = Animation.Settings.Degrees;
if (mapView == null || degrees == 0)
{
return;
}
//Get the camera track from the active map's animation.
//There will always be only one camera track in the animation.
var cameraTrack = mapView.Map.Animation.Tracks.OfType <CameraTrack>().First();
var camera = mapView.Camera;
//Calculate the number of keys to create.
var keyEvery = (degrees < 0) ? -10 : 10; //10 degrees
var numOfKeys = Math.Floor(degrees / keyEvery);
var remainder = degrees % keyEvery;
//To maintain a constant speed we need to divide the total time we want the animation to take by the number of degrees of rotation.
var duration = Animation.Settings.Duration;
double timeInterval = duration / Math.Abs(degrees);
double currentTimeSeconds = GetInsertTime(mapView.Map.Animation);
//Get the distance from the current location to the point we want to rotate around to get the radius.
var cameraPoint = MapPointBuilderEx.CreateMapPoint(camera.X, camera.Y, camera.SpatialReference);
var radius = GeometryEngine.Instance.GeodesicDistance(cameraPoint, point);
var radian = ((camera.Heading - 90) / 180.0) * Math.PI;
//If the spatial reference of the point is projected and the unit is not in meters we need to convert the Z values to meters.
if (!point.SpatialReference.IsGeographic && point.SpatialReference.Unit.ConversionFactor != 1.0)
{
point = MapPointBuilderEx.CreateMapPoint(point.X, point.Y,
point.Z * point.SpatialReference.Unit.ConversionFactor, point.SpatialReference);
}
//For all geodesic calculations we will use WGS84 so we will project the point if it is not already.
if (point.SpatialReference.Wkid != SpatialReferences.WGS84.Wkid)
{
var transformation = ProjectionTransformation.Create(point.SpatialReference, SpatialReferences.WGS84);
point = GeometryEngine.Instance.ProjectEx(point, transformation) as MapPoint;
}
//Create an ellipse around the center point.
var parameter = new GeodesicEllipseParameter()
{
Center = point.Coordinate2D,
SemiAxis1Length = radius,
SemiAxis2Length = radius,
AxisDirection = radian,
LinearUnit = LinearUnit.Meters,
OutGeometryType = GeometryType.Polyline,
VertexCount = 36
};
var ellipse = GeometryEngine.Instance.GeodesicEllipse(parameter, point.SpatialReference) as Polyline;
//For each key we will progressively rotate around the ellipse and calculate the camera position at each.
for (int i = 0; i <= numOfKeys; i++)
{
var percentAlong = ((Math.Abs(keyEvery) * i) % 360) / 360.0;
if (keyEvery > 0)
{
percentAlong = 1 - percentAlong;
}
//Get the camera at the position around the ellipse.
camera = OffsetCamera(camera, ellipse, point, percentAlong);
//Increment the time by the amount of time per key.
if (i != 0)
{
currentTimeSeconds += (timeInterval * Math.Abs(keyEvery));
}
//Create a new keyframe for the camera.
cameraTrack.CreateKeyframe(camera, TimeSpan.FromSeconds(currentTimeSeconds), AnimationTransition.FixedArc);
}
//For any degree rotation left over create a keyframe. For example 155, would have a keyframe every 10 degrees and then one for the final 5 degrees.
if (remainder != 0.0)
{
var percentAlong = ((Math.Abs(keyEvery) * numOfKeys + Math.Abs(remainder)) % 360) / 360.0;
if (remainder > 0)
{
percentAlong = 1 - percentAlong;
}
OffsetCamera(camera, ellipse, point, percentAlong);
//Increment the time and create the keyframe.
currentTimeSeconds += (timeInterval * Math.Abs(remainder));
cameraTrack.CreateKeyframe(camera, TimeSpan.FromSeconds(currentTimeSeconds), AnimationTransition.FixedArc);
}
}));
}
private async Task RedrawConeAsync()
{
await QueuedTask.Run(() =>
{
GlobeSpotter globeSpotter = GlobeSpotter.Current;
if ((globeSpotter.InsideScale()) && (!_mapPoint.IsEmpty) && (Color != null))
{
var thisColor = (SystCol)Color;
MapView thisView = MapView.Active;
Map map = thisView.Map;
SpatialReference mapSpat = map.SpatialReference;
SpatialReference mapPointSpat = _mapPoint.SpatialReference;
ProjectionTransformation projection = ProjectionTransformation.Create(mapPointSpat, mapSpat);
_mapPoint = GeometryEngine.Instance.ProjectEx(_mapPoint, projection) as MapPoint;
WinPoint point = thisView.MapToScreen(_mapPoint);
double angleh = (_hFov *Math.PI) / 360;
double angle = (((270 + _angle) % 360) * Math.PI) / 180;
double angle1 = angle - angleh;
double angle2 = angle + angleh;
double x = point.X;
double y = point.Y;
double size = Size / 2;
WinPoint screenPoint1 = new WinPoint((x + (size * Math.Cos(angle1))), (y + (size * Math.Sin(angle1))));
WinPoint screenPoint2 = new WinPoint((x + (size * Math.Cos(angle2))), (y + (size * Math.Sin(angle2))));
MapPoint point1 = thisView.ScreenToMap(screenPoint1);
MapPoint point2 = thisView.ScreenToMap(screenPoint2);
IList <MapPoint> polygonPointList = new List <MapPoint>();
polygonPointList.Add(_mapPoint);
polygonPointList.Add(point1);
polygonPointList.Add(point2);
polygonPointList.Add(_mapPoint);
Polygon polygon = PolygonBuilder.CreatePolygon(polygonPointList);
Color colorPolygon = SystCol.FromArgb(_blinking ? BlinkAlpha : NormalAlpha, thisColor);
CIMColor cimColorPolygon = ColorFactory.Instance.CreateColor(colorPolygon);
CIMPolygonSymbol polygonSymbol = SymbolFactory.Instance.DefaultPolygonSymbol;
polygonSymbol.SetColor(cimColorPolygon);
polygonSymbol.SetOutlineColor(null);
CIMSymbolReference polygonSymbolReference = polygonSymbol.MakeSymbolReference();
IDisposable disposePolygon = thisView.AddOverlay(polygon, polygonSymbolReference);
IList <MapPoint> linePointList = new List <MapPoint>();
linePointList.Add(point1);
linePointList.Add(_mapPoint);
linePointList.Add(point2);
Polyline polyline = PolylineBuilder.CreatePolyline(linePointList);
Color colorLine = _active ? SystCol.Yellow : SystCol.Gray;
CIMColor cimColorLine = ColorFactory.Instance.CreateColor(colorLine);
CIMLineSymbol cimLineSymbol = SymbolFactory.Instance.DefaultLineSymbol;
cimLineSymbol.SetColor(cimColorLine);
cimLineSymbol.SetSize(_blinking ? BorderSizeBlinking : BorderSize);
CIMSymbolReference lineSymbolReference = cimLineSymbol.MakeSymbolReference();
IDisposable disposePolyLine = thisView.AddOverlay(polyline, lineSymbolReference);
_disposePolygon?.Dispose();
_disposePolygon = disposePolygon;
_disposePolyLine?.Dispose();
_disposePolyLine = disposePolyLine;
if (_blinking)
{
var blinkEvent = new AutoResetEvent(true);
var blinkTimerCallBack = new TimerCallback(ResetBlinking);
_blinkTimer = new Timer(blinkTimerCallBack, blinkEvent, BlinkTime, -1);
}
}
else
{
_disposePolygon?.Dispose();
_disposePolyLine?.Dispose();
}
});
}
/*
* protected async override void OnUpdate()
* {
* Cursor nowCursor = Cursor;
* Cursor = _containsFeatures ? Cursors.Arrow : _thisCursor;
*
* if (nowCursor != Cursor)
* {
* await FrameworkApplication.SetCurrentToolAsync("esri_mapping_exploreTool");
* await FrameworkApplication.SetCurrentToolAsync("StreetSmartArcGISPro_openImageTool");
* }
*
* base.OnUpdate();
* }
*
* protected override async void OnToolMouseMove(MapViewMouseEventArgs e)
* {
* await QueuedTask.Run(() =>
* {
* var constants = ConstantsRecordingLayer.Instance;
* double size = constants.SizeLayer;
* double halfSize = size / 2;
* MapView activeView = MapView.Active;
*
* WinPoint clientPoint = e.ClientPoint;
* WinPoint pointScreen = activeView.ClientToScreen(clientPoint);
* double x = pointScreen.X;
* double y = pointScreen.Y;
* WinPoint minPoint = new WinPoint(x - halfSize, y - halfSize);
* WinPoint maxPoint = new WinPoint(x + halfSize, y + halfSize);
* MapPoint minPoint1 = activeView.ScreenToMap(minPoint);
* MapPoint maxPoint1 = activeView.ScreenToMap(maxPoint);
* Envelope envelope = EnvelopeBuilder.CreateEnvelope(minPoint1, maxPoint1, minPoint1.SpatialReference);
* var features = MapView.Active?.GetFeatures(envelope);
* _containsFeatures = (features != null) && (features.Count >= 1);
* });
*
* base.OnToolMouseMove(e);
* }
*/
protected override Task <bool> OnSketchCompleteAsync(Geometry geometry)
{
return(QueuedTask.Run(() =>
{
MapPoint point = geometry as MapPoint;
MapView activeView = MapView.Active;
if (point != null && activeView != null)
{
var constants = ConstantsRecordingLayer.Instance;
double size = constants.SizeLayer;
double halfSize = size / 2;
SpatialReference pointSpatialReference = point.SpatialReference;
var pointScreen = activeView.MapToScreen(point);
double x = pointScreen.X;
double y = pointScreen.Y;
WinPoint pointScreenMin = new WinPoint(x - halfSize, y - halfSize);
WinPoint pointScreenMax = new WinPoint(x + halfSize, y + halfSize);
var pointMapMin = activeView.ScreenToMap(pointScreenMin);
var pointMapMax = activeView.ScreenToMap(pointScreenMax);
Envelope envelope = EnvelopeBuilder.CreateEnvelope(pointMapMin, pointMapMax, pointSpatialReference);
var features = activeView.GetFeatures(envelope);
ModuleStreetSmart streetSmart = ModuleStreetSmart.Current;
CycloMediaGroupLayer groupLayer = streetSmart?.CycloMediaGroupLayer;
if (features != null && groupLayer != null)
{
_nearest = Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl);
if (_nearest)
{
Settings settings = Settings.Instance;
MySpatialReference cycloCoordSystem = settings.CycloramaViewerCoordinateSystem;
if (cycloCoordSystem != null)
{
SpatialReference cycloSpatialReference = cycloCoordSystem.ArcGisSpatialReference ??
cycloCoordSystem.CreateArcGisSpatialReferenceAsync().Result;
if (pointSpatialReference.Wkid != cycloSpatialReference.Wkid)
{
ProjectionTransformation projection = ProjectionTransformation.Create(pointSpatialReference,
cycloSpatialReference);
point = GeometryEngine.Instance.ProjectEx(point, projection) as MapPoint;
}
if (point != null)
{
CultureInfo ci = CultureInfo.InvariantCulture;
_location = string.Format(ci, "{0},{1}", point.X, point.Y);
if (!streetSmart.InsideScale())
{
double minimumScale = ConstantsRecordingLayer.Instance.MinimumScale;
double scale = minimumScale / 2;
Camera camera = new Camera(point.X, point.Y, scale, 0.0);
MapView.Active?.ZoomTo(camera);
}
}
}
}
else
{
foreach (var feature in features)
{
Layer layer = feature.Key;
CycloMediaLayer cycloMediaLayer = groupLayer.GetLayer(layer);
if (cycloMediaLayer != null)
{
foreach (long uid in feature.Value)
{
Recording recording = cycloMediaLayer.GetRecordingAsync(uid).Result;
if (recording.IsAuthorized == null || (bool)recording.IsAuthorized)
{
_location = recording.ImageId;
}
}
}
}
}
}
}
return true;
}));
}
public static async Task CreateKeyframes()
{
FeatureLayer ftrLayer = null;
MapView mapView = MapView.Active;
if (mapView == null)
{
return;
}
var mapSelection = await QueuedTask.Run(() => MapView.Active.Map.GetSelection());
if (mapSelection.Count == 1)
{
var layer = mapSelection.First().Key;
if (layer is FeatureLayer)
{
ftrLayer = (FeatureLayer)layer;
if (ftrLayer.ShapeType != ArcGIS.Core.CIM.esriGeometryType.esriGeometryPolyline)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Select a polyline feature.");
return;
}
int numFtrsSelected = await QueuedTask.Run(() => ftrLayer.GetSelection().GetCount());
if (numFtrsSelected != 1)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Select only one polyline feature.");
return;
}
}
else
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Select a polyline feature.");
return;
}
}
else
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Select a polyline feature.");
return;
}
if (SelectedCameraView == "Face target" && TargetPoint == null)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Selected view type is - Face target - but a target point is not set.");
return;
}
string oid_fieldName = await QueuedTask.Run(() => ftrLayer.GetTable().GetDefinition().GetObjectIDField());
//get selected polyline
Polyline lineGeom = await QueuedTask.Run <Polyline>(() =>
{
var selectedFtrOID = MapView.Active.Map.GetSelection()[ftrLayer][0];
QueryFilter qf = new QueryFilter();
qf.WhereClause = oid_fieldName + " = " + selectedFtrOID.ToString();
RowCursor result = ftrLayer.GetFeatureClass().Search(qf);
if (result != null)
{
result.MoveNext();
Feature selectedFtr = result.Current as Feature;
return(selectedFtr.GetShape() as Polyline);
}
return(null);
});
//couldn't get the selected feature
if (lineGeom == null)
{
return;
}
ProjectionTransformation transformation = await QueuedTask.Run(() => ProjectionTransformation.Create(ftrLayer.GetSpatialReference(), mapView.Map.SpatialReference));
SpatialReference layerSpatRef = await QueuedTask.Run(() => ftrLayer.GetSpatialReference());
if (layerSpatRef.Unit.Name != "Degree")
{
Z_CONVERSION_FACTOR = layerSpatRef.Unit.ConversionFactor;
}
//Project target point if method is Face target
if (SelectedCameraView == "Face target")
{
if (TargetPoint != null && TargetPoint.SpatialReference != layerSpatRef)
{
ProjectionTransformation transf_forTarget = await QueuedTask.Run(() => ProjectionTransformation.Create(TargetPoint.SpatialReference, layerSpatRef));
MapPoint projected_targetPoint = (MapPoint)GeometryEngine.Instance.ProjectEx(TargetPoint, transf_forTarget);
TargetPoint = null;
TargetPoint = projected_targetPoint;
}
}
var animation = mapView.Map.Animation;
var cameraTrack = animation.Tracks.OfType <CameraTrack>().First();
var keyframes = cameraTrack.Keyframes;
//Get segment list for line
ReadOnlyPartCollection polylineParts = lineGeom.Parts;
//get total segment count and determine path length
double pathLength = 0;
int segmentCount = 0;
IEnumerator <ReadOnlySegmentCollection> segments = polylineParts.GetEnumerator();
while (segments.MoveNext())
{
ReadOnlySegmentCollection seg = segments.Current;
foreach (Segment s in seg)
{
//pathLength += s.Length;//s.Length returns 2D length
double length3D = Math.Sqrt((s.EndPoint.X - s.StartPoint.X) * (s.EndPoint.X - s.StartPoint.X) +
(s.EndPoint.Y - s.StartPoint.Y) * (s.EndPoint.Y - s.StartPoint.Y) +
(s.EndPoint.Z - s.StartPoint.Z) * (s.EndPoint.Z - s.StartPoint.Z));
pathLength += length3D;
segmentCount += 1;
}
}
//reset heading and pitch
_keyframeHeading = 0;
_keyframePitch = 0;
// Create keyframes based on chosen method
if (SelectedMethod == "Keyframes along path")
{
await CreateKeyframes_AlongPath(mapView, layerSpatRef, transformation, cameraTrack, segments, segmentCount, pathLength);
}
else if (SelectedMethod == "Keyframes every N seconds")
{
await CreateKeyframes_EveryNSeconds(mapView, layerSpatRef, transformation, cameraTrack, segments, segmentCount, pathLength, KeyEveryNSecond);
}
else if (SelectedMethod == "Keyframes only at vertices")
{
await CreateKeyframes_AtVertices(mapView, layerSpatRef, transformation, cameraTrack, lineGeom, segments, segmentCount, pathLength);
}
}