/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.Renderable.QuadTile"/> class.
/// </summary>
/// <param name="south"></param>
/// <param name="north"></param>
/// <param name="west"></param>
/// <param name="east"></param>
/// <param name="level"></param>
/// <param name="quadTileSet"></param>
public QuadTile(double south, double north, double west, double east, int level, QuadTileSet quadTileSet)
{
this.South = south;
this.North = north;
this.West = west;
this.East = east;
CenterLatitude = Angle.FromDegrees(0.5f * (North + South));
CenterLongitude = Angle.FromDegrees(0.5f * (West + East));
LatitudeSpan = Math.Abs(North - South);
LongitudeSpan = Math.Abs(East - West);
this.Level = level;
this.QuadTileSet = quadTileSet;
BoundingBox = new BoundingBox((float)south, (float)north, (float)west, (float)east, (float)quadTileSet.LayerRadius, (float)quadTileSet.LayerRadius + 300000f);
//localOrigin = BoundingBox.CalculateCenter();
localOrigin = MathEngine.SphericalToCartesianD(CenterLatitude, CenterLongitude, quadTileSet.LayerRadius);
// To avoid gaps between neighbouring tiles truncate the origin to
// a number that doesn't get rounded. (nearest 10km)
localOrigin.X = (float)(Math.Round(localOrigin.X / 10000) * 10000);
localOrigin.Y = (float)(Math.Round(localOrigin.Y / 10000) * 10000);
localOrigin.Z = (float)(Math.Round(localOrigin.Z / 10000) * 10000);
Row = MathEngine.GetRowFromLatitude(South, North - South);
Col = MathEngine.GetColFromLongitude(West, North - South);
}
private double GetSlope(RasterReader reader, TerrainPoint tp)
{
double zx = 0, zy = 0, ex = 0;
if (tp.col - 1 > 0 && tp.row - 1 > 0 && tp.row + 1 < _terrainTile.GetLength(1) && tp.col + 1 < _terrainTile.GetLength(0))
{
iTelluro.GlobeEngine.DataSource.Geometry.Point3d d1 = null, d2 = null;
if (reader.IsProjected)
{
d1 = new Point3d(_terrainTile[tp.col - 1, tp.row].Longitude, tp.Latitude, tp.Altitude);
d2 = new Point3d(_terrainTile[tp.col + 1, tp.row].Longitude, tp.Latitude, tp.Altitude);
}
else
{
d1 = MathEngine.SphericalToCartesianD(
Angle.FromDegrees(tp.Latitude),
Angle.FromDegrees(_terrainTile[tp.col - 1, tp.row].Longitude), //lon - demSpan
GlobeTools.CurrentWorld.EquatorialRadius + tp.Altitude
);
d2 = MathEngine.SphericalToCartesianD(
Angle.FromDegrees(tp.Latitude),
Angle.FromDegrees(_terrainTile[tp.col + 1, tp.row].Longitude), //lon + demSpan),
GlobeTools.CurrentWorld.EquatorialRadius + tp.Altitude
);
}
iTelluro.GlobeEngine.DataSource.Geometry.Point3d segment = d2 - d1;
ex = segment.Length;
//zx = (elv[1, 2] - elv[1, 0]) / ex;
//zy = (elv[2, 1] - elv[0, 1]) / ex;
zx = (_terrainTile[tp.col + 1, tp.row + 0].Altitude - _terrainTile[tp.col - 1, tp.row + 0].Altitude) / ex;
zy = (_terrainTile[tp.col + 0, tp.row + 1].Altitude - _terrainTile[tp.col + 0, tp.row - 1].Altitude) / ex;
}
return(Math.Atan(Math.Sqrt(zx * zx + zy * zy)));
}
/// <summary>
/// 计算影像数据单元格的投影面积
/// （区分了文件为投影坐标还是地理坐标）
/// </summary>
/// <param name="reader"></param>
/// <param name="_widthNum"></param>
/// <param name="_heightNum"></param>
/// <returns></returns>
private double CaculateCellAera(RasterReader reader, int _widthNum, int _heightNum)
{
try
{
int ti, tj;
ti = _widthNum / 2;
tj = _heightNum / 2;
iTelluro.GlobeEngine.DataSource.Geometry.Point3d p00, p01, p10;
if (reader.IsProjected)
{
p00 = new Point3d(_terrainTile[ti, tj].Longitude, _terrainTile[ti, tj].Latitude, _terrainTile[ti, tj].Altitude);
p01 = new Point3d(_terrainTile[ti, tj + 1].Longitude, _terrainTile[ti, tj + 1].Latitude, _terrainTile[ti, tj + 1].Altitude);
p10 = new Point3d(_terrainTile[ti + 1, tj].Longitude, _terrainTile[ti + 1, tj].Latitude, _terrainTile[ti + 1, tj].Altitude);
}
else
{
double r = _globeView.GlobeViewSetting.EquatorialRadius + _terrainTile[ti, tj].Altitude;
p00 = MathEngine.SphericalToCartesianD(Angle.FromDegrees(_terrainTile[ti, tj].Latitude), Angle.FromDegrees(_terrainTile[ti, tj].Longitude), r);
p01 = MathEngine.SphericalToCartesianD(Angle.FromDegrees(_terrainTile[ti, tj + 1].Latitude), Angle.FromDegrees(_terrainTile[ti, tj + 1].Longitude), r);
p10 = MathEngine.SphericalToCartesianD(Angle.FromDegrees(_terrainTile[ti + 1, tj].Latitude), Angle.FromDegrees(_terrainTile[ti + 1, tj].Longitude), r);
}
double area = (p00 - p01).Length * (p00 - p10).Length;
return(area);
}
catch (Exception ex)
{
FormOutput.AppendLog(ex.Message);
return(0);
}
}
private void UpdateCartesianPoint()
{
m_cartesianPoint = MathEngine.SphericalToCartesianD(
Angle.FromDegrees(m_latitude), Angle.FromDegrees(m_longitude), m_world.EquatorialRadius + m_distanceAboveSurface * World.Settings.VerticalExaggeration);
m_currentVerticalExaggeration = World.Settings.VerticalExaggeration;
}
public override void Initialize(DrawArgs drawArgs)
{
double samplesPerDegree = 50.0 / (drawArgs.WorldCamera.ViewRange.Degrees);
double elevation = drawArgs.CurrentWorld.TerrainAccessor.GetElevationAt(m_latitude, m_longitude, samplesPerDegree);
double altitude = (World.Settings.VerticalExaggeration * Altitude + World.Settings.VerticalExaggeration * elevation);
Position = MathEngine.SphericalToCartesian(m_latitude, m_longitude, altitude + drawArgs.WorldCamera.WorldRadius);
m_positionD = MathEngine.SphericalToCartesianD(Angle.FromDegrees(m_latitude), Angle.FromDegrees(m_longitude), altitude + drawArgs.WorldCamera.WorldRadius);
Inited = true;
}
private void Update()
{
double altitude;
// Altitude is ASL
altitude = (World.Settings.VerticalExaggeration * Alt) + DrawArgs.Camera.WorldRadius;
Position = MathEngine.SphericalToCartesian(Lat, Lon, altitude);
m_positionD = MathEngine.SphericalToCartesianD(
Angle.FromDegrees(Lat),
Angle.FromDegrees(Lon),
altitude);
}
/// <summary>
/// 初始化Icon对象
/// </summary>
/// <param name="drawArgs"></param>
public override void Initialize(DrawArgs drawArgs)
{
double samplesPerDegree = 50.0 / (drawArgs.WorldCamera.ViewRange.Degrees); //计算当前每一度有多少个格网
double elevation = drawArgs.CurrentWorld.TerrainAccessor.GetElevationAt(m_latitude, m_longitude, samplesPerDegree); //计算当前经纬度的海拔系信息
double altitude = (World.Settings.VerticalExaggeration * Altitude + World.Settings.VerticalExaggeration * elevation); //计算Icon的实际显示高度=夸大因子*Altitude+海拔高度
//转换为屏幕向量信息
Position = MathEngine.SphericalToCartesian(m_latitude, m_longitude,
altitude + drawArgs.WorldCamera.WorldRadius);
//转换到屏幕坐标
m_positionD = MathEngine.SphericalToCartesianD(
Angle.FromDegrees(m_latitude),
Angle.FromDegrees(m_longitude),
altitude + drawArgs.WorldCamera.WorldRadius);
isInitialized = true;
}
/// <summary>
/// 初始化控制点
/// </summary>
/// <param name="drawArgs"></param>
public override void Initialize(DrawArgs drawArgs)
{
//计算当前每一度有多少个格网
double samplesPerDegree = 50.0 / (drawArgs.WorldCamera.ViewRange.Degrees);
//计算当前经纬度的海拔系信息
double elevation = drawArgs.CurrentWorld.TerrainAccessor.GetElevationAt(m_latitude, m_longitude, samplesPerDegree);
//计算GCP的实际显示高度=夸大因子*Altitude+海拔高度
double altitude = (World.Settings.VerticalExaggeration * Altitude + World.Settings.VerticalExaggeration * elevation);
//转换为屏幕向量信息
Position = MathEngine.SphericalToCartesian(m_latitude, m_longitude, altitude + drawArgs.WorldCamera.WorldRadius);
//转换到屏幕坐标
m_positionD = MathEngine.SphericalToCartesianD(
Angle.FromDegrees(m_latitude),
Angle.FromDegrees(m_longitude),
altitude + drawArgs.WorldCamera.WorldRadius);
//注册主窗口事件
QrstGlobe.MouseDown += new System.Windows.Forms.MouseEventHandler(QrstGlobe_MouseDown);
QrstGlobe.MouseUp += new System.Windows.Forms.MouseEventHandler(QrstGlobe_MouseUp);
IsInitialized = true;
}
private double getDistance(Angle startLatitude, Angle startLongitude, Angle endLatitude, Angle endLongitude, double radius)
{
Angle angularDistance = World.ApproxAngularDistance(startLatitude, startLongitude, endLatitude, endLongitude);
int steps = 4;
double distance = 0;
Point3d d1 = MathEngine.SphericalToCartesianD(startLatitude, startLongitude, radius);
for (int i = 1; i < steps; i++)
{
Angle curLat;
Angle curLon;
World.IntermediateGCPoint((float)i / (float)(steps - 1), startLatitude, startLongitude, endLatitude, endLongitude, angularDistance, out curLat, out curLon);
Point3d d2 = MathEngine.SphericalToCartesianD(curLat, curLon, radius);
Point3d segment = d2 - d1;
distance += segment.Length;
d1 = d2;
}
return(distance);
}
public virtual void ComputeViewMatrix()
{
ComputeAbsoluteMatrices();
if (World.Settings.ElevateCameraLookatPoint)
{
targetCameraElevation = TerrainElevation * World.Settings.VerticalExaggeration;
curCameraElevation = curCameraElevation + (0.01f * (targetCameraElevation - curCameraElevation));
}
else
{
curCameraElevation = 0;
}
// needs to be double precsion
double radius = WorldRadius + curCameraElevation;
double radCosLat = radius * Math.Cos(_latitude.Radians);
LookFrom = new Point3d(radCosLat * Math.Cos(_longitude.Radians), radCosLat * Math.Sin(_longitude.Radians), radius * Math.Sin(_latitude.Radians));
// this constitutes a local tri-frame hovering above the sphere
Point3d zAxis = LookFrom.normalize(); // on sphere the normal vector and position vector are the same
Point3d xAxis = Point3d.cross(cameraUpVector, zAxis).normalize();
Point3d yAxis = Point3d.cross(zAxis, xAxis);
ReferenceCenter = MathEngine.SphericalToCartesianD(Angle.FromRadians(Convert.ToSingle(_latitude.Radians)), Angle.FromRadians(Convert.ToSingle(_longitude.Radians)), WorldRadius);
// Important step !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// In order to use single precsion rendering, we need to define a local frame (i.e. center of center tile, etc.)
// Vector3d LocalCenter should be defined & initialized in the CameraBase class
// Each time the camera moves, a new local center could be defined
// The local center also has to be subtracted from all the terrain vertices!!!!
relCameraPos = LookFrom - ReferenceCenter;
// Important step: construct the single precision m_ViewMatrix by hand
// We can build the m_ViewMatrix by hand
m_ViewMatrix.M11 = (float)xAxis.X;
m_ViewMatrix.M21 = (float)xAxis.Y;
m_ViewMatrix.M31 = (float)xAxis.Z;
m_ViewMatrix.M12 = (float)yAxis.X;
m_ViewMatrix.M22 = (float)yAxis.Y;
m_ViewMatrix.M32 = (float)yAxis.Z;
m_ViewMatrix.M13 = (float)zAxis.X;
m_ViewMatrix.M23 = (float)zAxis.Y;
m_ViewMatrix.M33 = (float)zAxis.Z;
m_ViewMatrix.M41 = -(float)(xAxis.X * relCameraPos.X + xAxis.Y * relCameraPos.Y + xAxis.Z * relCameraPos.Z);
m_ViewMatrix.M42 = -(float)(yAxis.X * relCameraPos.X + yAxis.Y * relCameraPos.Y + yAxis.Z * relCameraPos.Z);
m_ViewMatrix.M43 = -(float)(zAxis.X * relCameraPos.X + zAxis.Y * relCameraPos.Y + zAxis.Z * relCameraPos.Z);
m_ViewMatrix.M14 = (float)0.0;
m_ViewMatrix.M24 = (float)0.0;
m_ViewMatrix.M34 = (float)0.0;
m_ViewMatrix.M44 = (float)1.0;
m_ViewMatrix *= Matrix.RotationYawPitchRoll(0, (float)-_tilt.Radians, (float)_heading.Radians);
m_ViewMatrix *= Matrix.Translation(0, 0, (float)(-_distance - curCameraElevation));
m_ViewMatrix *= Matrix.RotationZ((float)_bank.Radians);
// Extract camera position
Matrix cam = Matrix.Invert(m_absoluteViewMatrix);
_position = new Vector3(cam.M41, cam.M42, cam.M43);
}
/// <summary>
/// 导出桥梁，隧道或路基的中线
/// </summary>
/// <param name="latlonPoints"></param>
/// <param name="TXT"></param>
private void exportMiddleLine(CRailwayProject prj, StreamWriter DoubleFile, StreamWriter SingleFile, string prjType)
{
string fileNameExt = ".max.x";
StreamWriter TXT;
OnePrj aprj;
List <Vector3d> earthCoreSysPoints = new List <Vector3d>();
List <Vector3d> dsMaxPoints = new List <Vector3d>();
List <int> sIndex = new List <int>(); // 如果工点里程过长，拆分为不超过3.5 KM作为一段生成模型
int startN = 0;
// int n = 0;
if (!prj.mIsValid)
{
return;
}
for (startN = 0; startN < prj.mPath.mPointCount - 350; startN += 300)
{
sIndex.Add(startN);
}
sIndex.Add(startN);
double[] m, x, y, z, d;
bool isDouble;
string sp;
isDouble = prj.mPath.getMiddleLine(out m, out x, out y, out z, out d);
if (isDouble)
{
TXT = DoubleFile;
sp = "d";
}
else
{
TXT = SingleFile;
sp = "s";
}
for (int j = 0; j < sIndex.Count; j++)
{
int fromIdx = sIndex[j];
int toIdx;
if (j == sIndex.Count - 1)
{
toIdx = m.Length - 1;
}
else
{
toIdx = sIndex[j + 1];
}
double prjLength = prj.mPath.mLength;
switch (prjType)
{
case "bridge":
if (isDouble)
{
dbridgeCount++;
aprj = new OnePrj(j, prjType, prj.ProjectName, sp + prjType + dbridgeCount + fileNameExt, prjLength,
x[sIndex[j]], y[sIndex[j]], z[sIndex[j]]);
}
else
{
sbridgeCount++;
aprj = new OnePrj(j, prjType, prj.ProjectName, sp + prjType + sbridgeCount + fileNameExt, prjLength,
x[sIndex[j]], y[sIndex[j]], z[sIndex[j]]);
}
projectList.Add(aprj);
break;
case "road":
if (isDouble)
{
droadCount++;
aprj = new OnePrj(j, prjType, prj.ProjectName, sp + prjType + droadCount + fileNameExt, prjLength,
x[sIndex[j]], y[sIndex[j]], z[sIndex[j]]);
}
else
{
sroadCount++;
aprj = new OnePrj(j, prjType, prj.ProjectName, sp + prjType + sroadCount + fileNameExt, prjLength,
x[sIndex[j]], y[sIndex[j]], z[sIndex[j]]);
}
projectList.Add(aprj);
break;
case "tunnel":
if (isDouble)
{
dtunnelCount++;
aprj = new OnePrj(j, prjType, prj.ProjectName, sp + prjType + dtunnelCount + fileNameExt, prjLength,
x[sIndex[j]], y[sIndex[j]], z[sIndex[j]]);
}
else
{
stunnelCount++;
aprj = new OnePrj(j, prjType, prj.ProjectName, sp + prjType + stunnelCount + fileNameExt, prjLength,
x[sIndex[j]], y[sIndex[j]], z[sIndex[j]]);
}
projectList.Add(aprj);
break;
}
TXT.Write(prjLength + " ");
TXT.Write(prj.ProjectName + " ");
TXT.WriteLine(j);
earthCoreSysPoints.Clear();
dsMaxPoints.Clear();
for (int i = fromIdx; i <= toIdx; i++)
{
double radius = WorldSettings.EquatorialRadius /* 米 */ + z[i];
earthCoreSysPoints.Add(MathEngine.SphericalToCartesianD(y[i], x[i], radius)); // 米
}
//foreach (LatLonAl p in latlonPoints)
//{
// double radius = WorldSettings.EquatorialRadius/* 米 */ + p.altitude;
// earthCoreSysPoints.Add(MathEngine.SphericalToCartesianD(p.latitude, p.longitude, radius)); // 米
//}
// 经测试 地球窗口的世界坐标系原点在地球球心，x轴指向0纬0经，右手系，z轴指向北极点，测试语句：
// Vector3 latlon_test = MathEngine.CartesianToSpherical(5001,1, 1);
Vector3d k_prime = new Vector3d(earthCoreSysPoints[0]); k_prime = k_prime.Normalize();
Vector3d i_prime = Vector3d.Transform(earthCoreSys_YAxis, Matrix4d.RotationZ((prj.mPath.mx[fromIdx] * PI / 180)));
Vector3d j_prime = Vector3d.Cross(k_prime, i_prime); j_prime = j_prime.Normalize();
Matrix4d mm = new Matrix4d();
// mm是正交矩阵，求逆就是求转置。
mm.M11 = i_prime.X; mm.M12 = j_prime.X; mm.M13 = k_prime.X;
mm.M21 = i_prime.Y; mm.M22 = j_prime.Y; mm.M23 = k_prime.Y;
mm.M31 = i_prime.Z; mm.M32 = j_prime.Z; mm.M33 = k_prime.Z;
mm.M41 = mm.M42 = mm.M43 = 0;
mm.M14 = mm.M24 = mm.M34 = 0;
mm.M44 = 1;
// 把三维中线（地球球心坐标系）上 起点之外的点 转换为 3ds max世界坐标 (起点作原点)
for (int i = 1; i <= toIdx - fromIdx; i++)
{
Vector3d vv = new Vector3d(earthCoreSysPoints[i].X - earthCoreSysPoints[0].X, earthCoreSysPoints[i].Y - earthCoreSysPoints[0].Y, earthCoreSysPoints[i].Z - earthCoreSysPoints[0].Z);
dsMaxPoints.Add(Vector3d.Transform(vv, mm));
}
// 输出
List <Vector3d> straight_opt = new List <Vector3d>();
straight_opt.Add(dsMaxPoints[0]);
straight_opt.Add(dsMaxPoints[1]);
for (int i = 2; i < dsMaxPoints.Count; i++)
{
Vector3d a = dsMaxPoints[i] - straight_opt[straight_opt.Count - 1];
Vector3d b = straight_opt[straight_opt.Count - 1] - straight_opt[straight_opt.Count - 2];
double costheta = Vector3d.Dot(a, b) / a.Length / b.Length;
double sintheta = Math.Sqrt(1 - costheta * costheta);
if (sintheta < Threshold)
{
straight_opt.Last().X = dsMaxPoints[i].X;
straight_opt.Last().Y = dsMaxPoints[i].Y;
straight_opt.Last().Z = dsMaxPoints[i].Z;
}
else
{
straight_opt.Add(dsMaxPoints[i]);
}
}
foreach (Vector3d p in straight_opt)
{
TXT.Write(p.X);
TXT.Write(' ');
TXT.Write(p.Y);
TXT.Write(' ');
TXT.Write(p.Z);
TXT.Write(' ');
}
TXT.WriteLine();
}
}
public virtual void Render(DrawArgs drawArgs)
{
if (this.m_Visible)
{
if (this.dblLatitude != double.MinValue)
{
try
{
drawArgs.device.RenderState.ZBufferEnable = true;
Cull cullMode = drawArgs.device.RenderState.CullMode;
drawArgs.device.RenderState.CullMode = Cull.None;
Point3d pointd = MathEngine.SphericalToCartesianD(Angle.FromDegrees((double)this.dblLatitude), Angle.FromDegrees((double)this.dblLongitude), (this.ww.CurrentWorld.EquatorialRadius + (this.ww.CurrentWorld.TerrainAccessor.GetElevationAt((double)this.dblLatitude, (double)this.dblLongitude, 100.0) * World.Settings.VerticalExaggeration)) + this.dblAltitude);
Microsoft.DirectX.Vector3 point = new Microsoft.DirectX.Vector3((float)(pointd.X - drawArgs.WorldCamera.ReferenceCenter.X), (float)(pointd.Y - drawArgs.WorldCamera.ReferenceCenter.Y), (float)(pointd.Z - drawArgs.WorldCamera.ReferenceCenter.Z));
Microsoft.DirectX.Vector3 vector2 = drawArgs.WorldCamera.Project(point);
Microsoft.DirectX.Vector3 vector3 = new Microsoft.DirectX.Vector3();
Microsoft.DirectX.Vector3 vector4 = new Microsoft.DirectX.Vector3();
vector3.X = this.m_Location.X + (((float)this.m_Size.Width) / 3f);
vector3.Y = this.m_Location.Y + this.m_Size.Height;
vector4.X = this.m_Location.X + (2f * (((float)this.m_Size.Width) / 3f));
vector4.Y = this.m_Location.Y + this.m_Size.Height;
CustomVertex.TransformedColored[] vertexStreamZeroData = new CustomVertex.TransformedColored[3];
vertexStreamZeroData[0].X = vector3.X;
vertexStreamZeroData[0].Y = vector3.Y;
vertexStreamZeroData[0].Z = 0f;
vertexStreamZeroData[0].Color = this.m_BackgroundColor.ToArgb();
vertexStreamZeroData[1].X = vector2.X;
vertexStreamZeroData[1].Y = vector2.Y;
vertexStreamZeroData[1].Z = 0f;
vertexStreamZeroData[1].Color = this.m_BackgroundColor.ToArgb();
vertexStreamZeroData[2].X = vector4.X;
vertexStreamZeroData[2].Y = vector4.Y;
vertexStreamZeroData[2].Z = 0f;
vertexStreamZeroData[2].Color = this.m_BackgroundColor.ToArgb();
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.Disable;
drawArgs.device.VertexFormat = VertexFormats.Diffuse | VertexFormats.Transformed;
drawArgs.device.DrawUserPrimitives(PrimitiveType.TriangleStrip, vertexStreamZeroData.Length - 2, vertexStreamZeroData);
drawArgs.device.RenderState.CullMode = cullMode;
}
catch (Exception)
{
}
}
if (this.m_TextFont == null)
{
System.Drawing.Font font = new System.Drawing.Font("Arial", 12f, FontStyle.Italic | FontStyle.Bold);
this.m_TextFont = new Microsoft.DirectX.Direct3D.Font(drawArgs.device, font);
}
if (this.m_WorldWindDingsFont == null)
{
AddFontResource(Path.Combine(Application.StartupPath, "World Wind Dings 1.04.ttf"));
PrivateFontCollection fonts = new PrivateFontCollection();
fonts.AddFontFile(Path.Combine(Application.StartupPath, "World Wind Dings 1.04.ttf"));
System.Drawing.Font font2 = new System.Drawing.Font(fonts.Families[0], 12f);
this.m_WorldWindDingsFont = new Microsoft.DirectX.Direct3D.Font(drawArgs.device, font2);
}
if (this.m_Resizeble)
{
if (((DrawArgs.LastMousePosition.X > (this.AbsoluteLocation.X - this.resizeBuffer)) && (DrawArgs.LastMousePosition.X < (this.AbsoluteLocation.X + this.resizeBuffer))) && ((DrawArgs.LastMousePosition.Y > (this.AbsoluteLocation.Y - this.resizeBuffer)) && (DrawArgs.LastMousePosition.Y < (this.AbsoluteLocation.Y + this.resizeBuffer))))
{
DrawArgs.MouseCursor = CursorType.SizeNWSE;
}
else if (((DrawArgs.LastMousePosition.X > ((this.AbsoluteLocation.X - this.resizeBuffer) + this.ClientSize.Width)) && (DrawArgs.LastMousePosition.X < ((this.AbsoluteLocation.X + this.resizeBuffer) + this.ClientSize.Width))) && ((DrawArgs.LastMousePosition.Y > (this.AbsoluteLocation.Y - this.resizeBuffer)) && (DrawArgs.LastMousePosition.Y < (this.AbsoluteLocation.Y + this.resizeBuffer))))
{
DrawArgs.MouseCursor = CursorType.SizeNESW;
}
else if (((DrawArgs.LastMousePosition.X > (this.AbsoluteLocation.X - this.resizeBuffer)) && (DrawArgs.LastMousePosition.X < (this.AbsoluteLocation.X + this.resizeBuffer))) && ((DrawArgs.LastMousePosition.Y > ((this.AbsoluteLocation.Y - this.resizeBuffer) + this.ClientSize.Height)) && (DrawArgs.LastMousePosition.Y < ((this.AbsoluteLocation.Y + this.resizeBuffer) + this.ClientSize.Height))))
{
DrawArgs.MouseCursor = CursorType.SizeNESW;
}
else if (((DrawArgs.LastMousePosition.X > ((this.AbsoluteLocation.X - this.resizeBuffer) + this.ClientSize.Width)) && (DrawArgs.LastMousePosition.X < ((this.AbsoluteLocation.X + this.resizeBuffer) + this.ClientSize.Width))) && ((DrawArgs.LastMousePosition.Y > ((this.AbsoluteLocation.Y - this.resizeBuffer) + this.ClientSize.Height)) && (DrawArgs.LastMousePosition.Y < ((this.AbsoluteLocation.Y + this.resizeBuffer) + this.ClientSize.Height))))
{
DrawArgs.MouseCursor = CursorType.SizeNWSE;
}
else if ((((DrawArgs.LastMousePosition.X > (this.AbsoluteLocation.X - this.resizeBuffer)) && (DrawArgs.LastMousePosition.X < (this.AbsoluteLocation.X + this.resizeBuffer))) && ((DrawArgs.LastMousePosition.Y > (this.AbsoluteLocation.Y - this.resizeBuffer)) && (DrawArgs.LastMousePosition.Y < ((this.AbsoluteLocation.Y + this.resizeBuffer) + this.ClientSize.Height)))) || (((DrawArgs.LastMousePosition.X > ((this.AbsoluteLocation.X - this.resizeBuffer) + this.ClientSize.Width)) && (DrawArgs.LastMousePosition.X < ((this.AbsoluteLocation.X + this.resizeBuffer) + this.ClientSize.Width))) && ((DrawArgs.LastMousePosition.Y > (this.AbsoluteLocation.Y - this.resizeBuffer)) && (DrawArgs.LastMousePosition.Y < ((this.AbsoluteLocation.Y + this.resizeBuffer) + this.ClientSize.Height)))))
{
DrawArgs.MouseCursor = CursorType.SizeWE;
}
else if ((((DrawArgs.LastMousePosition.X > (this.AbsoluteLocation.X - this.resizeBuffer)) && (DrawArgs.LastMousePosition.X < ((this.AbsoluteLocation.X + this.resizeBuffer) + this.ClientSize.Width))) && ((DrawArgs.LastMousePosition.Y > (this.AbsoluteLocation.Y - this.resizeBuffer)) && (DrawArgs.LastMousePosition.Y < (this.AbsoluteLocation.Y + this.resizeBuffer)))) || (((DrawArgs.LastMousePosition.X > (this.AbsoluteLocation.X - this.resizeBuffer)) && (DrawArgs.LastMousePosition.X < ((this.AbsoluteLocation.X + this.resizeBuffer) + this.ClientSize.Width))) && ((DrawArgs.LastMousePosition.Y > ((this.AbsoluteLocation.Y - this.resizeBuffer) + this.ClientSize.Height)) && (DrawArgs.LastMousePosition.Y < ((this.AbsoluteLocation.Y + this.resizeBuffer) + this.ClientSize.Height)))))
{
DrawArgs.MouseCursor = CursorType.SizeNS;
}
}
if (this.ClientSize.Height > drawArgs.parentControl.Height)
{
this.ClientSize = new Size(this.ClientSize.Width, drawArgs.parentControl.Height);
}
if (this.ClientSize.Width > drawArgs.parentControl.Width)
{
this.ClientSize = new Size(drawArgs.parentControl.Width, this.ClientSize.Height);
}
if (!this.m_AutoHideHeader || (((DrawArgs.LastMousePosition.X >= this.m_Location.X) && (DrawArgs.LastMousePosition.X <= (this.m_Location.X + this.m_Size.Width))) && ((DrawArgs.LastMousePosition.Y >= this.m_Location.Y) && (DrawArgs.LastMousePosition.Y <= (this.m_Location.Y + this.m_Size.Height)))))
{
Utilities.DrawBox(this.m_Location.X, this.m_Location.Y, this.m_Size.Width, this.m_HeaderHeight, 0f, this.m_HeaderColor.ToArgb(), drawArgs.device);
this.m_WorldWindDingsFont.DrawText(null, "E", new Rectangle((this.m_Location.X + this.m_Size.Width) - 15, this.m_Location.Y + 2, this.m_Size.Width, this.m_Size.Height), DrawTextFormat.NoClip, Color.White.ToArgb());
this.m_OutlineVertsHeader[0].X = this.AbsoluteLocation.X;
this.m_OutlineVertsHeader[0].Y = this.AbsoluteLocation.Y + this.m_HeaderHeight;
this.m_OutlineVertsHeader[1].X = this.AbsoluteLocation.X;
this.m_OutlineVertsHeader[1].Y = this.AbsoluteLocation.Y;
this.m_OutlineVertsHeader[2].X = this.AbsoluteLocation.X + this.ClientSize.Width;
this.m_OutlineVertsHeader[2].Y = this.AbsoluteLocation.Y;
this.m_OutlineVertsHeader[3].X = this.AbsoluteLocation.X + this.ClientSize.Width;
this.m_OutlineVertsHeader[3].Y = this.AbsoluteLocation.Y + this.m_HeaderHeight;
if (!this.m_HideBorder)
{
Utilities.DrawLine(this.m_OutlineVertsHeader, this.m_BorderColor.ToArgb(), drawArgs.device);
}
}
Utilities.DrawBox(this.m_Location.X, this.m_Location.Y + this.m_HeaderHeight, this.m_Size.Width, this.m_Size.Height - this.m_HeaderHeight, 0f, this.m_BackgroundColor.ToArgb(), drawArgs.device);
for (int i = this.m_ChildWidgets.Count - 1; i >= 0; i--)
{
IWidget widget = this.m_ChildWidgets[i];
if (widget != null)
{
if ((widget.ParentWidget == null) || (widget.ParentWidget != this))
{
widget.ParentWidget = this;
}
widget.Render(drawArgs);
}
}
this.m_OutlineVerts[0].X = this.AbsoluteLocation.X + this.ClientSize.Width;
this.m_OutlineVerts[0].Y = this.AbsoluteLocation.Y + this.m_HeaderHeight;
this.m_OutlineVerts[1].X = this.AbsoluteLocation.X + this.ClientSize.Width;
this.m_OutlineVerts[1].Y = this.AbsoluteLocation.Y + this.ClientSize.Height;
this.m_OutlineVerts[2].X = this.AbsoluteLocation.X;
this.m_OutlineVerts[2].Y = this.AbsoluteLocation.Y + this.ClientSize.Height;
this.m_OutlineVerts[3].X = this.AbsoluteLocation.X;
this.m_OutlineVerts[3].Y = this.AbsoluteLocation.Y + this.m_HeaderHeight;
if (!this.m_HideBorder)
{
Utilities.DrawLine(this.m_OutlineVerts, this.m_BorderColor.ToArgb(), drawArgs.device);
}
}
}
/// <summary>
/// 1.绘制太阳
/// </summary>
/// <param name="drawArgs"></param>
private void RenderSun(DrawArgs drawArgs)
{
//根据时间计算太阳的位置
Point3d sunPosition = -SunCalculator.GetGeocentricPosition(TimeKeeper.CurrentTimeUtc);
Point3d sunSpherical = MathEngine.CartesianToSphericalD(sunPosition.X, sunPosition.Y, sunPosition.Z);
sunPosition = MathEngine.SphericalToCartesianD(
Angle.FromRadians(sunSpherical.Y),
Angle.FromRadians(sunSpherical.Z),
150000000000);
Vector3 sunVector = new Vector3((float)sunPosition.X, (float)sunPosition.Y, (float)sunPosition.Z);
Frustum viewFrustum = new Frustum();
float aspectRatio = (float)drawArgs.WorldCamera.Viewport.Width / drawArgs.WorldCamera.Viewport.Height;
Matrix projectionMatrix = Matrix.PerspectiveFovRH((float)drawArgs.WorldCamera.Fov.Radians, aspectRatio, 1.0f, 300000000000);
viewFrustum.Update(
Matrix.Multiply(drawArgs.WorldCamera.AbsoluteWorldMatrix,
Matrix.Multiply(drawArgs.WorldCamera.AbsoluteViewMatrix,
projectionMatrix)));
if (!viewFrustum.ContainsPoint(sunVector))
{
return;
}
Vector3 translationVector = new Vector3(
(float)(sunPosition.X - drawArgs.WorldCamera.ReferenceCenter.X),
(float)(sunPosition.Y - drawArgs.WorldCamera.ReferenceCenter.Y),
(float)(sunPosition.Z - drawArgs.WorldCamera.ReferenceCenter.Z));
Vector3 projectedPoint = drawArgs.WorldCamera.Project(translationVector);
if (m_sunTexture == null)
{
m_sunTexture = ImageHelper.LoadTexture(Path.Combine(((QRSTWorldGlobeControl)drawArgs.parentControl).DataDirectory, @"Space\sun.dds"));
m_sunSurfaceDescription = m_sunTexture.GetLevelDescription(0);
}
if (m_sprite == null)
{
m_sprite = new Sprite(drawArgs.device);
}
m_sprite.Begin(SpriteFlags.AlphaBlend);
// Render icon
float xscale = (float)m_sunWidth / m_sunSurfaceDescription.Width;
float yscale = (float)m_sunHeight / m_sunSurfaceDescription.Height;
m_sprite.Transform = Matrix.Scaling(xscale, yscale, 0);
m_sprite.Transform *= Matrix.Translation(projectedPoint.X, projectedPoint.Y, 0);
m_sprite.Draw(m_sunTexture,
new Vector3(m_sunSurfaceDescription.Width >> 1, m_sunSurfaceDescription.Height >> 1, 0),
Vector3.Empty,
System.Drawing.Color.FromArgb(253, 253, 200).ToArgb());
// Reset transform to prepare for text rendering later
m_sprite.Transform = Matrix.Identity;
m_sprite.End();
}
