public void Draw(RenderContext renderContext, bool showOnlySelected, string focusConsteallation, bool clearExisting)
{
maxSeperation = Math.Max(.6, Math.Cos((renderContext.FovAngle * 2) / 180.0 * Math.PI));
drawCount = 0;
Lineset lsSelected = null;
if (lines == null || ConstellationCentroids == null)
{
return;
}
constToDraw = focusConsteallation;
foreach (Lineset ls in this.lines)
{
if (constToDraw == ls.Name && boundry)
{
lsSelected = ls;
}
else if (!showOnlySelected || !boundry)
{
DrawSingleConstellation(renderContext, ls, 1f);
}
}
if (lsSelected != null)
{
DrawSingleConstellation(renderContext, lsSelected, 1f);
}
}
private void LoadConstellationData(string data)
{
if (boundry && !noInterpollation)
{
boundries = new Dictionary <string, Lineset>();
}
lines = new List <Lineset>();
Lineset lineSet = null;
try
{
string[] rows = data.Split("\r\n");
string abrv;
string abrvOld = "";
double ra;
double dec;
double lastRa = 0;
PointType type = PointType.Move;
foreach (string row in rows)
{
string line = row;
if (line.Substr(11, 2) == "- ")
{
line = line.Substr(0, 11) + " -" + line.Substr(13, (line.Length - 13));
}
if (line.Substr(11, 2) == "+ ")
{
line = line.Substr(0, 11) + " +" + line.Substr(13, (line.Length - 13));
}
dec = double.Parse(line.Substr(11, 10));
if (noInterpollation)
{
ra = double.Parse(line.Substr(0, 10));
}
else
{
ra = double.Parse(line.Substr(0, 10));
}
abrv = line.Substr(23, 4).Trim();
if (!boundry)
{
if (line.Substr(28, 1).Trim() != "")
{
type = (PointType)int.Parse(line.Substr(28, 1));
}
}
else
{
if (this.noInterpollation && line.Substr(28, 1) != "O")
{
continue;
}
}
// if (abrv != abrvOld || type == PointType.Move)
if (abrv != abrvOld)
{
type = PointType.Start;
lineSet = new Lineset(abrv);
lines.Add(lineSet);
if (boundry && !noInterpollation)
{
boundries[abrv] = lineSet;
}
abrvOld = abrv;
lastRa = 0;
}
if (this.noInterpollation)
{
if (Math.Abs(ra - lastRa) > 12)
{
ra = ra - (24 * ((ra - lastRa) < 0 ? -1 : 1));
}
lastRa = ra;
//console.WriteLine(String.Format("{0}, ra:{1}",abrv,ra));
}
string starName = null;
if (line.Length > 30)
{
starName = line.Substr(30).Trim();
}
if (starName == null || starName != "Empty")
{
lineSet.Add(ra, dec, type, starName);
}
pointCount++;
type = PointType.Line;
}
}
catch
{
int i = 0;
}
WWTControl.RenderNeeded = true;
}
//protected Vector3d RaDecTo3d(double lat, double lng)
//{
// return Vector3d.Create((Math.Cos(lng * RC) * Math.Cos(lat * RC) * radius), (Math.Sin(lat * RC) * radius), (Math.Sin(lng * RC) * Math.Cos(lat * RC) * radius));
//}
private void DrawSingleConstellationOld(RenderContext renderContext, Lineset ls)
{
bool reverse = false;
// todo get this working
Place centroid = ConstellationCentroids[ls.Name];
if (centroid != null)
{
Vector3d pos = Coordinates.RADecTo3d(reverse ? -centroid.RA - 6 : centroid.RA, reverse ? centroid.Dec : centroid.Dec);
if (Vector3d.Dot(renderContext.ViewPoint, pos) < maxSeperation)
{
return;
}
}
drawCount++;
string col;
if (boundry)
{
if (constToDraw != ls.Name)
{
col = Settings.GlobalSettings.ConstellationBoundryColor;
}
else
{
col = Settings.GlobalSettings.ConstellationSelectionColor;
}
}
else
{
col = Settings.GlobalSettings.ConstellationFigureColor;
}
if (renderContext.gl == null)
{
CanvasContext2D ctx = renderContext.Device;
int count = ls.Points.Count;
Vector3d lastPoint = new Vector3d();
ctx.Save();
bool linePending = false;
ctx.BeginPath();
ctx.StrokeStyle = col;
ctx.LineWidth = 2;
ctx.Alpha = .25;
for (int i = 0; i < count; i++)
{
if (ls.Points[i].PointType == PointType.Move || i == 0)
{
if (linePending)
{
ctx.Stroke();
}
lastPoint = renderContext.WVP.Transform(Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec));
ctx.MoveTo(lastPoint.X, lastPoint.Y);
}
else
{
Vector3d newPoint = renderContext.WVP.Transform(Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec));
// if (lastPoint.Z > 0 && newPoint.Z > 0)
{
ctx.LineTo(newPoint.X, newPoint.Y);
linePending = true;
}
}
}
if (boundry)
{
ctx.ClosePath();
}
ctx.Stroke();
ctx.Restore();
}
else
{
//todo add webgl method of drawing
}
}
private void DrawSingleConstellation(RenderContext renderContext, Lineset ls, float opacity)
{
bool reverse = false;
Place centroid = ConstellationCentroids[ls.Name];
if (centroid != null)
{
Vector3d pos = Coordinates.RADecTo3d(reverse ? -centroid.RA - 6 : centroid.RA, reverse ? centroid.Dec : centroid.Dec);
if (Vector3d.Dot(renderContext.ViewPoint, pos) < maxSeperation)
{
return;
}
}
if (!constellationVertexBuffers.ContainsKey(ls.Name))
{
int count = ls.Points.Count;
SimpleLineList linelist = new SimpleLineList();
linelist.DepthBuffered = false;
constellationVertexBuffers[ls.Name] = linelist;
Vector3d currentPoint = new Vector3d();
Vector3d temp;
for (int i = 0; i < count; i++)
{
if (ls.Points[i].PointType == PointType.Move || i == 0)
{
currentPoint = Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec);
}
else
{
temp = Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec);
linelist.AddLine(currentPoint, temp);
currentPoint = temp;
}
}
if (boundry)
{
temp = Coordinates.RADecTo3d(ls.Points[0].RA, ls.Points[0].Dec);
linelist.AddLine(currentPoint, temp);
}
}
string col = "red";
if (boundry)
{
if (constToDraw != ls.Name)
{
col = Settings.GlobalSettings.ConstellationBoundryColor;
}
else
{
col = Settings.GlobalSettings.ConstellationSelectionColor;
}
}
else
{
col = Settings.GlobalSettings.ConstellationFigureColor;
}
constellationVertexBuffers[ls.Name].DrawLines(renderContext, opacity, Color.Load(col));
}
private void LoadConstellationData(string data)
{
if (boundry && !noInterpollation)
{
boundries = new Dictionary<string, Lineset>();
}
lines = new List<Lineset>();
Lineset lineSet = null;
try
{
string[] rows = data.Split("\r\n");
string abrv;
string abrvOld = "";
double ra;
double dec;
double lastRa = 0;
PointType type = PointType.Move;
foreach(string row in rows)
{
string line = row;
if (line.Substr(11, 2) == "- ")
{
line = line.Substr(0, 11) + " -" + line.Substr(13, (line.Length - 13));
}
if (line.Substr(11, 2) == "+ ")
{
line = line.Substr(0, 11) + " +" + line.Substr(13, (line.Length - 13));
}
dec = double.Parse(line.Substr(11, 10));
if (noInterpollation)
{
ra = double.Parse(line.Substr(0, 10));
}
else
{
ra = double.Parse(line.Substr(0, 10));
}
abrv = line.Substr(23, 4).Trim();
if (!boundry)
{
if (line.Substr(28, 1).Trim() != "")
{
type = (PointType)int.Parse(line.Substr(28, 1));
}
}
else
{
if (this.noInterpollation && line.Substr(28, 1) != "O")
{
continue;
}
}
// if (abrv != abrvOld || type == PointType.Move)
if (abrv != abrvOld)
{
type = PointType.Start;
lineSet = new Lineset(abrv);
lines.Add(lineSet);
if (boundry && !noInterpollation)
{
boundries[abrv] = lineSet;
}
abrvOld = abrv;
lastRa = 0;
}
if (this.noInterpollation)
{
if (Math.Abs(ra - lastRa) > 12)
{
ra = ra - (24 * ((ra - lastRa) < 0 ? -1 : 1));
}
lastRa = ra;
//console.WriteLine(String.Format("{0}, ra:{1}",abrv,ra));
}
string starName = null;
if (line.Length > 30)
{
starName = line.Substr(30).Trim();
}
if (starName == null || starName != "Empty")
{
lineSet.Add(ra, dec, type, starName);
}
pointCount++;
type = PointType.Line;
}
}
catch
{
int i = 0;
}
WWTControl.RenderNeeded = true;
}
//protected Vector3d RaDecTo3d(double lat, double lng)
//{
// return Vector3d.Create((Math.Cos(lng * RC) * Math.Cos(lat * RC) * radius), (Math.Sin(lat * RC) * radius), (Math.Sin(lng * RC) * Math.Cos(lat * RC) * radius));
//}
private void DrawSingleConstellationOld(RenderContext renderContext, Lineset ls)
{
bool reverse = false;
// todo get this working
Place centroid = ConstellationCentroids[ls.Name];
if (centroid != null)
{
Vector3d pos = Coordinates.RADecTo3d(reverse ? -centroid.RA - 6 : centroid.RA, reverse ? centroid.Dec : centroid.Dec);
if (Vector3d.Dot(renderContext.ViewPoint, pos) < maxSeperation)
{
return;
}
}
drawCount++;
string col;
if (boundry)
{
if (constToDraw != ls.Name)
{
col = Settings.GlobalSettings.ConstellationBoundryColor;
}
else
{
col = Settings.GlobalSettings.ConstellationSelectionColor;
}
}
else
{
col = Settings.GlobalSettings.ConstellationFigureColor;
}
if (renderContext.gl == null)
{
CanvasContext2D ctx = renderContext.Device;
int count = ls.Points.Count;
Vector3d lastPoint = new Vector3d();
ctx.Save();
bool linePending = false;
ctx.BeginPath();
ctx.StrokeStyle = col;
ctx.LineWidth = 2;
ctx.Alpha = .25;
for (int i = 0; i < count; i++)
{
if (ls.Points[i].PointType == PointType.Move || i == 0)
{
if (linePending)
{
ctx.Stroke();
}
lastPoint = renderContext.WVP.Transform(Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec));
ctx.MoveTo(lastPoint.X, lastPoint.Y);
}
else
{
Vector3d newPoint = renderContext.WVP.Transform(Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec));
// if (lastPoint.Z > 0 && newPoint.Z > 0)
{
ctx.LineTo(newPoint.X, newPoint.Y);
linePending = true;
}
}
}
if (boundry)
{
ctx.ClosePath();
}
ctx.Stroke();
ctx.Restore();
}
else
{
//todo add webgl method of drawing
}
}
private void DrawSingleConstellation(RenderContext renderContext, Lineset ls, float opacity)
{
bool reverse = false;
Place centroid = ConstellationCentroids[ls.Name];
if (centroid != null)
{
Vector3d pos = Coordinates.RADecTo3d(reverse ? -centroid.RA - 6 : centroid.RA, reverse ? centroid.Dec : centroid.Dec);
if (Vector3d.Dot(renderContext.ViewPoint, pos) < maxSeperation)
{
return;
}
}
if (!constellationVertexBuffers.ContainsKey(ls.Name))
{
int count = ls.Points.Count;
SimpleLineList linelist = new SimpleLineList();
linelist.DepthBuffered = false;
constellationVertexBuffers[ls.Name] = linelist;
Vector3d currentPoint = new Vector3d();
Vector3d temp;
for (int i = 0; i < count; i++)
{
if (ls.Points[i].PointType == PointType.Move || i == 0)
{
currentPoint = Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec);
}
else
{
temp = Coordinates.RADecTo3d(ls.Points[i].RA, ls.Points[i].Dec);
linelist.AddLine(currentPoint, temp);
currentPoint = temp;
}
}
if (boundry)
{
temp = Coordinates.RADecTo3d(ls.Points[0].RA, ls.Points[0].Dec);
linelist.AddLine(currentPoint, temp);
}
}
string col = "red";
if (boundry)
{
if (constToDraw != ls.Name)
{
col = Settings.GlobalSettings.ConstellationBoundryColor;
}
else
{
col = Settings.GlobalSettings.ConstellationSelectionColor;
}
}
else
{
col = Settings.GlobalSettings.ConstellationFigureColor;
}
constellationVertexBuffers[ls.Name].DrawLines(renderContext, opacity, Color.Load(col));
}