public SkyLabel(RenderContext11 renderContext, double ra, double dec, string text, LabelSytle style, double distance)
{
RA = ra;
Dec = dec;
Text = text;
Style = style;
Distance = distance;
if (texture == null)
{
texture = Texture11.FromBitmap(Properties.Resources.circle, 0);
}
Vector3d up = new Vector3d();
Vector3d textPos = new Vector3d();
if (Earth3d.MainWindow.SolarSystemMode)
{
pos = Coordinates.RADecTo3d(ra, -dec, distance);
up = Coordinates.RADecTo3d(ra, -dec + 90, distance);
pos.RotateX(Coordinates.MeanObliquityOfEcliptic(SpaceTimeController.JNow) / 180.0 * Math.PI);
pos.Add(Planets.GetPlanet3dLocation(SolarSystemObjects.Earth));
up.RotateX(Coordinates.MeanObliquityOfEcliptic(SpaceTimeController.JNow) / 180.0 * Math.PI);
up.Add(Planets.GetPlanet3dLocation(SolarSystemObjects.Earth));
}
else
{
pos = Coordinates.RADecTo3d(ra + 12, dec, distance);
textPos = Coordinates.RADecTo3d(ra + 12, dec + 2, distance);
up = Coordinates.RADecTo3d(ra + 12, dec + 92, distance);
}
center = new Vector3(9, 9, 0);
textBatch = new Text3dBatch(24);
if (style == LabelSytle.Telrad)
{
// Telrad-style labels are always screen-aligned
Text3d t3 = new Text3d(new Vector3d(0, 0, 0.1), new Vector3d(0, 1, 0), text, 20, .01);
t3.alignment = Text3d.Alignment.Left;
textBatch.Add(t3);
}
else
{
up.Normalize();
textPos.Normalize();
textBatch.Add(new Text3d(textPos, up, text, 20, .0005));
}
}
private void ComputeFrameSynodic(RenderContext11 renderContext)
{
// A synodic frame is a rotating frame of reference in which
// the x-axis is the direction between the bodies in a two-body
// system. The origin is at the secondary body, and +x points
// in the direction opposite the primary. The z-axis is in the orbital
// plane and normal to x; it points in the direction of the instantaneous
// orbital velocity of the secondary.
// The origin is offset by then translation. The five libration points in a
// two-body system can be approximated by choosing different offsets. For
// example, the Sun-Earth L2 point is approximated by using x = 1,500,000 km, y = 0 and z = 0.
WorldMatrix = Matrix3d.Identity;
double localScale = (1 / renderContext.NominalRadius) * Scale * MeanRadius;
WorldMatrix.Scale(new Vector3d(localScale, localScale, localScale));
WorldMatrix.Rotate(Quaternion.RotationYawPitchRoll((float)((Heading) / 180.0 * Math.PI), (float)(Pitch / 180.0 * Math.PI), (float)(Roll / 180.0 * Math.PI)));
WorldMatrix.Translate(Translation / 6371.000);
// Currently we assume the Sun-Earth system
double jd = SpaceTimeController.JNow;
double B = CAACoordinateTransformation.DegreesToRadians(CAAEarth.EclipticLatitude(jd));
double L = CAACoordinateTransformation.DegreesToRadians(CAAEarth.EclipticLongitude(jd));
Vector3d eclPos = new Vector3d(Math.Cos(L) * Math.Cos(B), Math.Sin(L) * Math.Cos(B), Math.Sin(B));
// Just approximate the orbital velocity for now
Vector3d eclVel = Vector3d.Cross(eclPos, new Vector3d(0.0, 0.0, 1.0));
eclVel.Normalize();
// Convert to WWT's coordinate convention by swapping Y and Z
eclPos = new Vector3d(eclPos.X, eclPos.Z, eclPos.Y);
eclVel = new Vector3d(eclVel.X, eclVel.Z, eclVel.Y);
Vector3d xaxis = eclPos;
Vector3d yaxis = Vector3d.Cross(eclVel, eclPos);
Vector3d zaxis = eclVel;
Matrix3d rotation = new Matrix3d(xaxis.X, yaxis.X, zaxis.X, 0, xaxis.Y, yaxis.Y, zaxis.Y, 0, xaxis.Z, yaxis.Z, zaxis.Z, 0, 0, 0, 0, 1);
// Convert from ecliptic to J2000 EME (equatorial) system
double earthObliquity = CAACoordinateTransformation.DegreesToRadians(Coordinates.MeanObliquityOfEcliptic(jd));
rotation = rotation * Matrix3d.RotationX(-earthObliquity);
WorldMatrix.Multiply(rotation);
}
public override bool Draw(RenderContext11 renderContext, float opacity, bool flat)
{
if (bufferIsFlat != flat)
{
CleanUp();
bufferIsFlat = flat;
}
if (!CleanAndReady)
{
PrepVertexBuffer(opacity);
}
Matrix3d oldWorld = renderContext.World;
if (astronomical && !bufferIsFlat)
{
double ecliptic = Coordinates.MeanObliquityOfEcliptic(SpaceTimeController.JNow) / 180.0 * Math.PI;
renderContext.World = Matrix3d.RotationX(ecliptic) * renderContext.World;
}
if (triangleList2d != null)
{
triangleList2d.Decay = decay;
triangleList2d.Sky = this.Astronomical;
triangleList2d.TimeSeries = timeSeries;
triangleList2d.Draw(renderContext, opacity * Opacity, TerraViewer.TriangleList.CullMode.CounterClockwise);
}
if (triangleList != null)
{
triangleList.Decay = decay;
triangleList.Sky = this.Astronomical;
triangleList.TimeSeries = timeSeries;
triangleList.Draw(renderContext, opacity * Opacity, TerraViewer.TriangleList.CullMode.CounterClockwise);
}
if (lineList != null)
{
lineList.Sky = this.Astronomical;
lineList.Decay = decay;
lineList.TimeSeries = timeSeries;
lineList.DrawLines(renderContext, opacity * Opacity);
}
if (lineList2d != null)
{
lineList2d.Sky = !this.Astronomical;
lineList2d.Decay = decay;
lineList2d.TimeSeries = timeSeries;
lineList2d.ShowFarSide = ShowFarSide;
lineList2d.DrawLines(renderContext, opacity * Opacity);
}
if (textBatch != null)
{
DepthStencilMode mode = renderContext.DepthStencilMode;
renderContext.DepthStencilMode = DepthStencilMode.Off;
textBatch.Draw(renderContext, 1, Color.White);
renderContext.DepthStencilMode = mode;
}
if (astronomical && !bufferIsFlat)
{
renderContext.DepthStencilMode = DepthStencilMode.ZReadWrite;
}
else
{
renderContext.DepthStencilMode = DepthStencilMode.Off;
}
DateTime baseDate = new DateTime(2010, 1, 1, 12, 00, 00);
renderContext.setRasterizerState(TriangleCullMode.Off);
Vector3 cam = Vector3d.TransformCoordinate(renderContext.CameraPosition, Matrix3d.Invert(renderContext.World)).Vector311;
float adjustedScale = scaleFactor;
if (flat && astronomical && (markerScale == MarkerScales.World))
{
adjustedScale = (float)(scaleFactor / (Earth3d.MainWindow.ZoomFactor / 360));
}
Matrix matrixWVP = (renderContext.World * renderContext.View * renderContext.Projection).Matrix11;
matrixWVP.Transpose();
switch (plotType)
{
default:
case PlotTypes.Gaussian:
renderContext.BlendMode = BlendMode.Additive;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, Grids.StarProfile.ResourceView);
break;
case PlotTypes.Circle:
renderContext.BlendMode = BlendMode.Alpha;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, CircleTexture.ResourceView);
break;
case PlotTypes.Point:
renderContext.BlendMode = BlendMode.Alpha;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, PointTexture.ResourceView);
break;
case PlotTypes.Square:
renderContext.BlendMode = BlendMode.Alpha;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, SquareTexture.ResourceView);
break;
case PlotTypes.Target1:
renderContext.BlendMode = BlendMode.Alpha;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, Target1Texture.ResourceView);
break;
case PlotTypes.Target2:
renderContext.BlendMode = BlendMode.Alpha;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, Target2Texture.ResourceView);
break;
case PlotTypes.PushPin:
renderContext.BlendMode = BlendMode.Alpha;
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, PushPin.GetPushPinTexture(markerIndex).ResourceView);
break;
}
columnChartsActivate.TargetState = plotType == PlotTypes.Column;
if (shapeFileVertex != null)
{
if (plotType == PlotTypes.Column && !RenderContext11.Downlevel) // column chart mode
{
columnChartsActivate.TargetState = true;
renderContext.BlendMode = BlendMode.Alpha;
renderContext.setRasterizerState(TriangleCullMode.CullClockwise);
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, null);
renderContext.DepthStencilMode = DepthStencilMode.ZReadWrite;
TimeSeriesColumnChartShader11.Constants.CameraPosition = new SharpDX.Vector4(cam, 1);
TimeSeriesColumnChartShader11.Constants.JNow = (float)(SpaceTimeController.JNow - SpaceTimeController.UtcToJulian(baseDate));
TimeSeriesColumnChartShader11.Constants.Decay = timeSeries ? decay : 0f;
TimeSeriesColumnChartShader11.Constants.Scale = (float)(adjustedScale);
TimeSeriesColumnChartShader11.Constants.Sky = astronomical ? -1 : 1;
TimeSeriesColumnChartShader11.Constants.Opacity = opacity * this.Opacity;
TimeSeriesColumnChartShader11.Constants.ShowFarSide = ShowFarSide ? 1f : 0f;
TimeSeriesColumnChartShader11.Color = new SharpDX.Color4(Color.R / 255f, Color.G / 255f, Color.B / 255f, Color.A / 255f);
TimeSeriesColumnChartShader11.Constants.WorldViewProjection = matrixWVP;
TimeSeriesColumnChartShader11.ViewportScale = new SharpDX.Vector2(2.0f / renderContext.ViewPort.Width, 2.0f / renderContext.ViewPort.Height);
TimeSeriesColumnChartShader11.Use(renderContext.devContext);
}
else if (plotType == PlotTypes.Cylinder && !RenderContext11.Downlevel)
{
renderContext.BlendMode = BlendMode.Alpha;
renderContext.setRasterizerState(TriangleCullMode.CullClockwise);
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, null);
renderContext.DepthStencilMode = DepthStencilMode.ZReadWrite;
TimeSeriesColumnChartShaderNGon11.Constants.CameraPosition = new SharpDX.Vector4(cam, 1);
TimeSeriesColumnChartShaderNGon11.Constants.JNow = (float)(SpaceTimeController.JNow - SpaceTimeController.UtcToJulian(baseDate));
TimeSeriesColumnChartShaderNGon11.Constants.Decay = timeSeries ? decay : 0f;
TimeSeriesColumnChartShaderNGon11.Constants.Scale = (float)(adjustedScale);
TimeSeriesColumnChartShaderNGon11.Constants.Sky = astronomical ? -1 : 1;
TimeSeriesColumnChartShaderNGon11.Constants.Opacity = opacity * this.Opacity;
TimeSeriesColumnChartShaderNGon11.Constants.ShowFarSide = ShowFarSide ? 1f : 0f;
TimeSeriesColumnChartShaderNGon11.Color = new SharpDX.Color4(Color.R / 255f, Color.G / 255f, Color.B / 255f, Color.A / 255f);
TimeSeriesColumnChartShaderNGon11.Constants.WorldViewProjection = matrixWVP;
TimeSeriesColumnChartShaderNGon11.ViewportScale = new SharpDX.Vector2(2.0f / renderContext.ViewPort.Width, 2.0f / renderContext.ViewPort.Height);
TimeSeriesColumnChartShaderNGon11.Use(renderContext.devContext);
}
else
{
TimeSeriesPointSpriteShader11.Constants.CameraPosition = new SharpDX.Vector4(cam, 1);
double jBase = SpaceTimeController.UtcToJulian(baseDate);
TimeSeriesPointSpriteShader11.Constants.JNow = (float)(SpaceTimeController.JNow - jBase);
TimeSeriesPointSpriteShader11.Constants.Decay = timeSeries ? decay : 0f;
TimeSeriesPointSpriteShader11.Constants.Scale = ((markerScale == MarkerScales.World) ? ((float)adjustedScale) : (-(float)adjustedScale));
TimeSeriesPointSpriteShader11.Constants.Sky = astronomical ? -1 : 1;
TimeSeriesPointSpriteShader11.Constants.Opacity = opacity * this.Opacity;
TimeSeriesPointSpriteShader11.Constants.ShowFarSide = ShowFarSide ? 1f : 0f;
TimeSeriesPointSpriteShader11.Color = new SharpDX.Color4(Color.R / 255f, Color.G / 255f, Color.B / 255f, Color.A / 255f);
TimeSeriesPointSpriteShader11.Constants.WorldViewProjection = matrixWVP;
TimeSeriesPointSpriteShader11.ViewportScale = new SharpDX.Vector2(2.0f / renderContext.ViewPort.Width, 2.0f / renderContext.ViewPort.Height);
TimeSeriesPointSpriteShader11.PointScaleFactors = new SharpDX.Vector3(0.0f, 0.0f, 10.0f);
if (shapeFileVertex.Downlevel)
{
DownlevelTimeSeriesPointSpriteShader.Use(renderContext.devContext, shapeFileVertex.Instanced);
}
else
{
TimeSeriesPointSpriteShader11.Use(renderContext.devContext);
}
}
shapeFileVertex.Draw(renderContext, shapeFileVertex.Count, null, 1.0f);
}
renderContext.Device.ImmediateContext.GeometryShader.Set(null);
renderContext.BlendMode = BlendMode.Alpha;
renderContext.World = oldWorld;
return(true);
}
