private static void CalculateAveragePolylabelCellSize(AIXMBasicMessage msg, out double averageCellSize)
{
// Calculate the average polylabel cell size to "guestimate" what the font scaling value should be
double aggregatedCellSize = 0;
int totalTests = 0;
foreach (var member in msg.hasMember)
{
var polygonTest = new List <MyPoint>();
var coords = member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent.AirspaceGeometryComponent
.theAirspaceVolume.AirspaceVolume.horizontalProjection.Surface.patches.PolygonPatch.exterior
.LinearRing.posList.Split(' ');
ReverseArray(coords);
var interiorCoords = new List <string>();
if (member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent
.AirspaceGeometryComponent.theAirspaceVolume.AirspaceVolume.horizontalProjection.Surface.patches
.PolygonPatch.interior != null)
{
foreach (var tmp in member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent
.AirspaceGeometryComponent.theAirspaceVolume.AirspaceVolume.horizontalProjection.Surface.patches
.PolygonPatch.interior.Select(interior => interior.LinearRing.posList.Split(' ')))
{
ReverseArray(tmp);
interiorCoords.AddRange(tmp);
}
}
var combined = new List <LatLng>();
if (interiorCoords.Count > 0)
{
// If the polygons are overlapping, then we need to do some extra
// magic to ensure the mva label is placed in the correct polygon.
// To do this, we combine the exterior and interior coordinate groups
// which will be used to calculate the polylabel bounding box.
var combinedCoords = coords.Concat(interiorCoords).ToArray();
for (var i = 0; i < combinedCoords.Length; i += 2)
{
combined.Add(new LatLng(double.Parse(combinedCoords[i]), double.Parse(combinedCoords[i + 1])));
}
for (var i = 0; i < combined.Count; i++)
{
var x1 = i == 0 ? (combined[i].Lat) : (combined[i - 1].Lat);
var y1 = i == 0 ? (combined[i].Lon) : (combined[i - 1].Lon);
var geo = GeoUtils.GeoToPixels(x1, y1, mCenterLat, mCenterLon);
polygonTest.Add(new MyPoint(geo.X, geo.Y));
}
}
var temp = new List <LatLng>();
for (var i = 0; i < coords.Length; i += 2)
{
temp.Add(new LatLng(double.Parse(coords[i]), double.Parse(coords[i + 1])));
}
for (var i = 0; i < temp.Count; i++)
{
var x1 = i == 0 ? (temp[i].Lat) : (temp[i - 1].Lat);
var y1 = i == 0 ? (temp[i].Lon) : (temp[i - 1].Lon);
if (interiorCoords.Count == 0)
{
var geo = GeoUtils.GeoToPixels(x1, y1, mCenterLat, mCenterLon);
polygonTest.Add(new MyPoint(geo.X, geo.Y));
}
}
var poly = PolyLabel.GetPolyLabel(polygonTest);
aggregatedCellSize += poly.Radius / 100;
totalTests++;
}
averageCellSize = aggregatedCellSize / totalTests;
}
private static void CreatePolygonsAndText(AIXMBasicMessage msg, StringBuilder sb, double averageCellSize)
{
sb.AppendLine(
$"{mMapName.PadRight(26, ' ')}N000.00.00.000 W000.00.00.000 N000.00.00.000 W000.00.00.000 {mColorKey}");
foreach (var member in msg.hasMember)
{
var polygonPoints = new List <MyPoint>();
var mva = (member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent.AirspaceGeometryComponent
.theAirspaceVolume.AirspaceVolume.minimumLimit.Value / 100).ToString("00");
var coords = member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent.AirspaceGeometryComponent
.theAirspaceVolume.AirspaceVolume.horizontalProjection.Surface.patches.PolygonPatch.exterior
.LinearRing.posList.Split(' ');
ReverseArray(coords);
var interiorCoords = new List <string>();
if (member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent
.AirspaceGeometryComponent.theAirspaceVolume.AirspaceVolume.horizontalProjection.Surface.patches
.PolygonPatch.interior != null)
{
foreach (var tmp in member.Airspace.timeSlice.AirspaceTimeSlice1.geometryComponent
.AirspaceGeometryComponent.theAirspaceVolume.AirspaceVolume.horizontalProjection.Surface.patches
.PolygonPatch.interior.Select(interior => interior.LinearRing.posList.Split(' ')))
{
ReverseArray(tmp);
interiorCoords.AddRange(tmp);
}
}
var combined = new List <LatLng>();
if (interiorCoords.Count > 0)
{
// If the polygons are overlapping, then we need to do some extra
// magic to ensure the mva label is placed in the correct polygon.
// To do this, we combine the exterior and interior coordinate groups
// which will be used to calculate the polylabel bounding box.
var combinedCoords = coords.Concat(interiorCoords).ToArray();
for (var i = 0; i < combinedCoords.Length; i += 2)
{
combined.Add(new LatLng(double.Parse(combinedCoords[i]), double.Parse(combinedCoords[i + 1])));
}
for (var i = 0; i < combined.Count; i++)
{
var x1 = i == 0 ? (combined[i].Lat) : (combined[i - 1].Lat);
var y1 = i == 0 ? (combined[i].Lon) : (combined[i - 1].Lon);
var geo = GeoUtils.GeoToPixels(x1, y1, mCenterLat, mCenterLon);
polygonPoints.Add(new MyPoint(geo.X, geo.Y));
}
}
var temp = new List <LatLng>();
for (var i = 0; i < coords.Length; i += 2)
{
temp.Add(new LatLng(double.Parse(coords[i]), double.Parse(coords[i + 1])));
}
for (var i = 0; i < temp.Count; i++)
{
var x1 = i == 0 ? (temp[i].Lat) : (temp[i - 1].Lat);
var y1 = i == 0 ? (temp[i].Lon) : (temp[i - 1].Lon);
var x2 = i == 0 ? (temp[i + 1].Lat) : (temp[i].Lat);
var y2 = i == 0 ? (temp[i + 1].Lon) : (temp[i].Lon);
if (interiorCoords.Count == 0)
{
var geo = GeoUtils.GeoToPixels(x1, y1, mCenterLat, mCenterLon);
polygonPoints.Add(new MyPoint(geo.X, geo.Y));
}
sb.AppendLine(
$"{new string(' ', 26)}{x1.ToDMS()} {y1.ToDMS()} {x2.ToDMS()} {y2.ToDMS()} {mColorKey}");
}
CreateMvaTextLabels(sb, averageCellSize, mva, polygonPoints);
}
}