public void SetCenter(double ra, double dec)
{
Annotation.BatchDirty = true;
this.ra = ra / 15;
this.dec = dec;
center = Coordinates.RADecTo3d(this.ra, this.dec);
}
public static void DrawArtwork(RenderContext renderContext)
{
if (Artwork == null)
{
if (artFile == null)
{
artFile = new Folder();
artFile.LoadFromUrl("http://www.worldwidetelescope.org/wwtweb/catalog.aspx?W=hevelius", OnArtReady);
//artFile.LoadFromUrl("http://www.worldwidetelescope.org/wwtweb/catalog.aspx?W=and", OnArtReady);
}
return;
}
maxSeperation = Math.Max(.50, Math.Cos((renderContext.FovAngle * 2) / 180.0 * Math.PI));
foreach (Place place in Artwork)
{
//BlendState bs = PictureBlendStates[imageset.Name];
//bs.TargetState = Settings.Active.ConstellationArtFilter.IsSet(imageset.Name);
//if (bs.State)
bool reverse = false;
Place centroid = ConstellationCentroids[place.Constellation];
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)
{
renderContext.DrawImageSet(place.StudyImageset, 100);
}
}
}
}
//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));
}
public void AddPoint(double x, double y)
{
Annotation.BatchDirty = true;
points.Add(Coordinates.RADecTo3d(x / 15, y));
}
public void AddPoint(double x, double y)
{
points.Add(Coordinates.RADecTo3d(x / 15, y));
}
public void SetCenter(double ra, double dec)
{
this.ra = ra / 15;
this.dec = dec;
center = Coordinates.RADecTo3d(this.ra, this.dec);
}