internal void AddInvisibleZone(double observerHeight, ProfileSurface profileSurface)
{
var invisibleSurface = new ProfileSurface();
var invisiblePoints = new List <ProfileSurfacePoint>();
var sightLineKoef = 0.0;
var isInvisibleZone = false;
invisibleSurface.LineId = profileSurface.LineId;
for (var i = 0; i < profileSurface.ProfileSurfacePoints.Length; i++)
{
if (!isInvisibleZone)
{
if (i < profileSurface.ProfileSurfacePoints.Length - 1)
{
if (CalcAngleOfVisibility(observerHeight, profileSurface.ProfileSurfacePoints[i],
profileSurface.ProfileSurfacePoints[i + 1]) < 0)
{
invisiblePoints.Add(profileSurface.ProfileSurfacePoints[i + 1]);
isInvisibleZone = true;
sightLineKoef = (profileSurface.ProfileSurfacePoints[i + 1].Z - observerHeight)
/ (profileSurface.ProfileSurfacePoints[i + 1].Distance);
i++;
}
}
}
else
{
if (FindY(observerHeight, sightLineKoef, profileSurface.ProfileSurfacePoints[i].Distance)
< profileSurface.ProfileSurfacePoints[i].Z)
{
isInvisibleZone = false;
invisiblePoints.Add(profileSurface.ProfileSurfacePoints[i]);
i++;
}
else
{
invisiblePoints.Add(profileSurface.ProfileSurfacePoints[i]);
}
}
}
invisibleSurface.ProfileSurfacePoints = invisiblePoints.ToArray();
_surfaceProfileChart.AddInvisibleLine(invisibleSurface);
CalcProfilesVisiblePercents(invisibleSurface, profileSurface);
}
internal void AddInvisibleZone(double observerHeight, ProfileSurface profileSurface,
Color visibleColor, Color invisibleColor, bool update = true,
List <int> linesIds = null)
{
var invisibleSurface = new ProfileSurface();
var invisibleSurfacePoints = new List <ProfileSurfacePoint>();
var groupedLinesSegments = new List <ProfileLine>();
var isPrimitive = true;
var surfaceSegments = GetLineSegments(profileSurface.LineId);
if (surfaceSegments == null)
{
surfaceSegments = new List <ProfileSurface> {
profileSurface
};
isPrimitive = false;
}
foreach (var segment in surfaceSegments)
{
var firstPointDistance = segment.ProfileSurfacePoints[0].Distance;
var sightLineKoef = 0.0;
var isInvisibleZone = false;
var observerFullHeight = observerHeight + segment.ProfileSurfacePoints[0].Z;
var invisibleSurfaceSegment = new ProfileSurface();
var invisiblePoints = new List <ProfileSurfacePoint>();
invisibleSurfaceSegment.LineId = profileSurface.LineId;
for (var i = 0; i < segment.ProfileSurfacePoints.Length; i++)
{
var currPoint = segment.ProfileSurfacePoints[i];
if (!isInvisibleZone)
{
if (i < segment.ProfileSurfacePoints.Length - 1)
{
if (CalcAngleOfVisibility(observerFullHeight, segment.ProfileSurfacePoints[i],
segment.ProfileSurfacePoints[i + 1], firstPointDistance) < 0)
{
var firstInvisiblePoint = segment.ProfileSurfacePoints[i + 1];
if (!invisiblePoints.Exists(point => point == firstInvisiblePoint))
{
invisiblePoints.Add(firstInvisiblePoint);
}
isInvisibleZone = true;
sightLineKoef = (firstInvisiblePoint.Z - observerFullHeight) / (firstInvisiblePoint.Distance - firstPointDistance);
i++;
}
}
}
else
{
if (FindY(observerFullHeight, sightLineKoef, segment.ProfileSurfacePoints[i].Distance - firstPointDistance)
< segment.ProfileSurfacePoints[i].Z)
{
isInvisibleZone = false;
invisiblePoints.Add(segment.ProfileSurfacePoints[i]);
i++;
}
else
{
invisiblePoints.Add(segment.ProfileSurfacePoints[i]);
}
}
currPoint.Visible = !isInvisibleZone;
}
invisibleSurfaceSegment.ProfileSurfacePoints = invisiblePoints.ToArray();
groupedLinesSegments.AddRange(GetLines(segment, invisibleSurfaceSegment, _profileSession.SessionId));
invisibleSurfacePoints.AddRange(invisiblePoints);
}
invisibleSurface.ProfileSurfacePoints = invisibleSurfacePoints.ToArray();
invisibleSurface.LineId = profileSurface.LineId;
_surfaceProfileChart.AddInvisibleLine(invisibleSurface);
CalcProfilesVisiblePercents(invisibleSurface, profileSurface);
var profileLines = new GroupedLines
{
LineId = profileSurface.LineId,
Lines = groupedLinesSegments,
VisibleColor = ColorToEsriRgb(visibleColor),
InvisibleColor = ColorToEsriRgb(invisibleColor)
};
profileLines.Polylines = ProfileLinesConverter
.ConvertLineToEsriPolyline(profileLines.Lines,
ArcMap.Document.FocusMap.SpatialReference);
if (isPrimitive)
{
var spatialReference = _profileSession.ProfileLines.First(line => line.Id == profileLines.LineId).SpatialReference;
profileLines.Vertices = surfaceSegments.Select(surface =>
{
var point = surface.ProfileSurfacePoints.First();
return(new ProfilePoint {
X = point.X, Y = point.Y, SpatialReference = spatialReference
});
}
).ToList();
profileLines.IsPrimitive = true;
}
if (_profileSession.Segments.Count < profileSurface.LineId - 1)
{
_profileSession.Segments.Add(profileLines);
}
else
{
profileLines.IsSelected = _profileSession.Segments[profileSurface.LineId - 1].IsSelected;
_profileSession.Segments[profileSurface.LineId - 1] = profileLines;
}
InvisibleZonesChanged?.Invoke(profileLines, _profileSession.SessionId, update, linesIds);
}