/// <summary>
/// Renders constellation borders on the map
/// </summary>
private void RenderBorders(IMapContext map)
{
PointF p1, p2;
CrdsHorizontal h1, h2;
var borders = constellationsCalc.ConstBorders;
bool isGround = settings.Get <bool>("Ground");
double coeff = map.DiagonalCoefficient();
Pen penBorder = new Pen(map.GetColor("ColorConstBorders"));
foreach (var block in borders)
{
for (int i = 0; i < block.Count - 1; i++)
{
h1 = block.ElementAt(i).Horizontal;
h2 = block.ElementAt(i + 1).Horizontal;
if ((!isGround || h1.Altitude >= 0 || h2.Altitude >= 0) &&
Angle.Separation(map.Center, h1) < 90 * coeff &&
Angle.Separation(map.Center, h2) < 90 * coeff)
{
p1 = map.Project(h1);
p2 = map.Project(h2);
var points = map.SegmentScreenIntersection(p1, p2);
if (points.Length == 2)
{
map.Graphics.DrawLine(penBorder, points[0], points[1]);
}
}
}
}
}
public override void Render(IMapContext map)
{
Graphics g = map.Graphics;
var allStars = starsCalc.Stars;
bool isGround = settings.Get <bool>("Ground");
if (settings.Get <bool>("ConstLines"))
{
PointF p1, p2;
CrdsHorizontal h1, h2;
penConLine.Brush = new SolidBrush(map.GetColor("ColorConstLines"));
foreach (var line in sky.ConstellationLines)
{
h1 = allStars.ElementAt(line.Item1).Horizontal;
h2 = allStars.ElementAt(line.Item2).Horizontal;
if ((!isGround || h1.Altitude > 0 || h2.Altitude > 0) &&
Angle.Separation(map.Center, h1) < 90 &&
Angle.Separation(map.Center, h2) < 90)
{
p1 = map.Project(h1);
p2 = map.Project(h2);
var points = map.SegmentScreenIntersection(p1, p2);
if (points.Length == 2)
{
g.DrawLine(penConLine, points[0], points[1]);
}
}
}
}
if (settings.Get <bool>("Stars") && !(map.Schema == ColorSchema.Day && map.DayLightFactor == 1))
{
var stars = allStars.Where(s => s != null && Angle.Separation(map.Center, s.Horizontal) < map.ViewAngle);
if (isGround)
{
stars = stars.Where(s => s.Horizontal.Altitude >= 0);
}
foreach (var star in stars)
{
float diam = map.GetPointSize(star.Mag);
if ((int)diam > 0)
{
PointF p = map.Project(star.Horizontal);
if (!map.IsOutOfScreen(p))
{
if (map.Schema == ColorSchema.White)
{
g.FillEllipse(Brushes.White, p.X - diam / 2 - 1, p.Y - diam / 2 - 1, diam + 2, diam + 2);
}
g.FillEllipse(new SolidBrush(GetColor(map, star.Color)), p.X - diam / 2, p.Y - diam / 2, diam, diam);
map.AddDrawnObject(star);
}
}
}
if (settings.Get <bool>("StarsLabels") && map.ViewAngle <= limitAllNames)
{
brushStarNames = new SolidBrush(map.GetColor("ColorStarsLabels"));
foreach (var star in stars)
{
float diam = map.GetPointSize(star.Mag);
if ((int)diam > 0)
{
PointF p = map.Project(star.Horizontal);
if (!map.IsOutOfScreen(p))
{
DrawStarName(map, p, star, diam);
}
}
}
}
}
}
