public DownloadableIcon(string name,
World parentWorld,
float distanceAboveSurface, float west, float south, float east, float north, string imageUrl, string saveTexturePath, Texture iconTexture, int iconSize, string caption, TerrainAccessor terrainAccessor)
: base(name, parentWorld.Position, parentWorld.Orientation)
{
this.imageUrl = imageUrl;
this.saveTexturePath = saveTexturePath;
this.iconTexture = iconTexture;
this.iconSize = iconSize;
this.north = north;
this.south = south;
this.west = west;
this.east = east;
this.caption = caption;
this._terrainAccessor = terrainAccessor;
this.centerLat = 0.5f * (this.north + this.south);
this.centerLon = 0.5f * (this.west + this.east);
this.m_ParentWorld = parentWorld;
this.layerRadius = (float)parentWorld.EquatorialRadius + distanceAboveSurface;
this.IsTextureAvailable = File.Exists(saveTexturePath);
if (this.IsTextureAvailable)
{
this.downloadProgress = 1.0f;
}
}
/// <summary>
/// 初始化一个“ImageLayer”的新实例
/// </summary>
public ImageLayer(
string name,
World parentWorld,
double distanceAboveSurface,
string imagePath,
double uplat,
double uplon,
double downlat,
double downlon,
double leftlat,
double leftlon,
double rightlat,
double rightlon,
byte opacity,
TerrainAccessor terrainAccessor)
: this(name,
parentWorld,
distanceAboveSurface,
imagePath,
downlat, uplat, leftlon, rightlon, opacity, terrainAccessor)
{
UpLat = uplat;
UpLon = uplon;
DownLat = downlat;
DownLon = downlon;
LeftLat = leftlat;
LeftLon = leftlon;
RightLat = rightlat;
RightLon = rightlon;
UsingUDLRDrawing = true;
}
/// <summary>
/// 初始化一个 <see cref= "T:WorldWind.World"/> 新实例.
/// </summary>
/// <param name="name"></param>
/// <param name="position"></param>
/// <param name="orientation"></param>
/// <param name="equatorialRadius"></param>
/// <param name="cacheDirectory"></param>
/// <param name="terrainAccessor"></param>
public World(string name, Vector3 position, Quaternion orientation, double equatorialRadius, string cacheDirectory, TerrainAccessor terrainAccessor) : base(name, position, orientation)
{
this._equatorialRadius = equatorialRadius;
this._terrainAccessor = terrainAccessor;
this._renderableObjects = new RenderableObjectList(this.Name);
this.MetaData.Add("CacheDirectory", cacheDirectory);
}
/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.Renderable.DownloadableImageFromIconSet"/> class.
/// </summary>
/// <param name="name"></param>
/// <param name="drawArgs"></param>
/// <param name="terrainAccessor"></param>
public DownloadableImageFromIconSet(string name, World parentWorld, float distanceAboveSurface, DrawArgs drawArgs, TerrainAccessor terrainAccessor) : base(name, parentWorld.Position, parentWorld.Orientation)
{
this.m_ParentWorld = parentWorld;
this.layerRadius = (float)parentWorld.EquatorialRadius + distanceAboveSurface;
this.IsSelectable = true;
this.drawArgs = drawArgs;
this._terrainAccessor = terrainAccessor;
}
/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.Renderable.PathList"/> class.
/// </summary>
/// <param name="name"></param>
/// <param name="parentWorld"></param>
/// <param name="minDisplayAltitude"></param>
/// <param name="maxDisplayAltitude"></param>
/// <param name="pathsDirectoryPath"></param>
/// <param name="altitude"></param>
/// <param name="color"></param>
/// <param name="terrainAccessor"></param>
public PathList(string name, World parentWorld, double minDisplayAltitude, double maxDisplayAltitude, string pathsDirectoryPath, double altitude, Color color, TerrainAccessor terrainAccessor) : base(name)
{
this.parentWorld = parentWorld;
this.minDisplayAltitude = minDisplayAltitude;
this.maxDisplayAltitude = maxDisplayAltitude;
this.pathsDirectoryPath = pathsDirectoryPath;
this.altitude = altitude;
this.color = Color.FromArgb(150, color);
this.terrainAccessor = terrainAccessor;
}
/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.Renderable.TerrainPath"/> class.
/// </summary>
/// <param name="name"></param>
/// <param name="parentWorld"></param>
/// <param name="minDisplayAltitude"></param>
/// <param name="maxDisplayAltitude"></param>
/// <param name="terrainFileName"></param>
/// <param name="heightAboveSurface"></param>
/// <param name="lineColor"></param>
/// <param name="terrainAccessor"></param>
public TerrainPath(string name, World parentWorld, double minDisplayAltitude, double maxDisplayAltitude, string terrainFileName, float heightAboveSurface, Color lineColor, TerrainAccessor terrainAccessor) : base(name, parentWorld.Position, Quaternion.RotationYawPitchRoll(0, 0, 0))
{
this._parentWorld = parentWorld;
this._minDisplayAltitude = minDisplayAltitude;
this._maxDisplayAltitude = maxDisplayAltitude;
this.terrainFileName = terrainFileName;
this.heightAboveSurface = heightAboveSurface;
//this.terrainMapped = terrainMapped;
this.lineColor = lineColor.ToArgb();
this._terrainAccessor = terrainAccessor;
this.RenderPriority = RenderPriority.LinePaths;
}
/// <summary>
/// Constructor
/// </summary>
public ImageLayer(string name, World parentWorld, double distanceAboveSurface, string imagePath, double minLatitude, double maxLatitude, double minLongitude, double maxLongitude, byte opacity, TerrainAccessor terrainAccessor) : base(name, parentWorld.Position, parentWorld.Orientation)
{
this.m_ParentWorld = parentWorld;
this.layerRadius = (float)parentWorld.EquatorialRadius + distanceAboveSurface;
this._imagePath = imagePath;
minLat = minLatitude;
maxLat = maxLatitude;
minLon = minLongitude;
maxLon = maxLongitude;
this.m_opacity = opacity;
this._terrainAccessor = terrainAccessor;
this._imagePath = imagePath;
}
/// <summary>
/// Constructor
/// </summary>
public ImageLayer(
string name,
World parentWorld,
double distanceAboveSurface,
string imagePath,
double minLatitude,
double maxLatitude,
double minLongitude,
double maxLongitude,
double opacityPercent,
TerrainAccessor terrainAccessor)
: this(name, parentWorld, distanceAboveSurface, imagePath,
minLatitude, maxLatitude, minLongitude, maxLongitude,
(byte)(255 * opacityPercent), terrainAccessor)
{
}
/// <summary>
/// Constructor
/// </summary>
public ImageLayer(
string name,
World parentWorld,
double distanceAboveSurface,
Stream textureStream,
int transparentColor,
double minLatitude,
double maxLatitude,
double minLongitude,
double maxLongitude,
double opacityPercent,
TerrainAccessor terrainAccessor)
: this(name, parentWorld, distanceAboveSurface, null,
minLatitude, maxLatitude, minLongitude, maxLongitude,
(byte)(255 * opacityPercent), terrainAccessor)
{
m_TextureStream = textureStream;
m_TransparentColor = transparentColor;
}
/// <summary>
/// 初始化一个地球类
/// </summary>
/// <param name="name"></param>
/// <param name="position"></param>
/// <param name="orientation"></param>
/// <param name="equatorialRadius"></param>
/// <param name="cacheDirectory"></param>
/// <param name="terrainAccessor"></param>
public World(string name, Vector3 position, Quaternion orientation, double equatorialRadius,
string cacheDirectory,
TerrainAccessor terrainAccessor)
: base(name, position, orientation)
{
//6378137.0
this.m_EquatorialRadius = equatorialRadius;
//设置 数字高程 对象
this.m_TerrainAccessor = terrainAccessor;
//初始化world的 Renderable对象，名字是"Earth".
this.m_RenderableObjects = new RenderableObjectList(this.Name);
//在元数据集合里，添加 Cache的路径
this.MetaData.Add("CacheDirectory", cacheDirectory);
//大气光环实例
OuterSphere = new AtmosphericScatteringSphere();
AtmosphericScatteringSphere.m_fInnerRadius = (float)equatorialRadius;
AtmosphericScatteringSphere.m_fOuterRadius = (float)equatorialRadius * 1.15f;
OuterSphere.Init((float)equatorialRadius * 1.15f, 75, 75);
}
/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.Renderable.TerrainPath"/> class.
/// </summary>
/// <param name="name"></param>
/// <param name="parentWorld"></param>
/// <param name="minDisplayAltitude"></param>
/// <param name="maxDisplayAltitude"></param>
/// <param name="terrainFileName"></param>
/// <param name="heightAboveSurface"></param>
/// <param name="lineColor"></param>
/// <param name="terrainAccessor"></param>
public JHU_TerrainPath(
string name,
World parentWorld,
double minDisplayAltitude,
double maxDisplayAltitude,
string terrainFileName,
float heightAboveSurface,
System.Drawing.Color lineColor,
TerrainAccessor terrainAccessor)
: base(name, parentWorld.Position, Quaternion.RotationYawPitchRoll(0, 0, 0))
{
this._parentWorld = parentWorld;
this._minDisplayAltitude = minDisplayAltitude;
this._maxDisplayAltitude = maxDisplayAltitude;
this.terrainFileName = terrainFileName;
this.heightAboveSurface = heightAboveSurface;
this.lineColor = lineColor.ToArgb();
this._terrainAccessor = terrainAccessor;
this.RenderPriority = RenderPriority.LinePaths;
this.sphericalCoordinates = new ArrayList();
}
public void UpdateTerrainElevation(TerrainAccessor terrainAccessor)
{
// Update camera terrain elevation
if (terrainAccessor != null)
{
if (this.Altitude < 300000)
{
if (DateTime.Now - this.lastElevationUpdate > TimeSpan.FromMilliseconds(500))
{
float elevation;
// Under camera target
elevation = terrainAccessor.GetCachedElevationAt(this.Latitude.Degrees, this.Longitude.Degrees);
this.TerrainElevation = float.IsNaN(elevation) ? (short)0 : (short)elevation;
// Under the camera itself
Vector3 cameraPos = this.Position;
Vector3 cameraCoord = MathEngine.CartesianToSpherical(cameraPos.X, cameraPos.Y, cameraPos.Z);
double camLat = MathEngine.RadiansToDegrees(cameraCoord.Y);
double camLon = MathEngine.RadiansToDegrees(cameraCoord.Z);
elevation = terrainAccessor.GetCachedElevationAt(camLat, camLon);
this.TerrainElevationUnderCamera = float.IsNaN(elevation) ? (short)0 : (short)elevation;
if (this.TerrainElevationUnderCamera < 0 && !World.Settings.AllowNegativeAltitude)
{
this.TerrainElevationUnderCamera = 0;
}
// reset timer
this.lastElevationUpdate = DateTime.Now;
}
}
else
{
this.TerrainElevation = 0;
this.TerrainElevationUnderCamera = 0;
}
}
else
{
this.TerrainElevation = 0;
this.TerrainElevationUnderCamera = 0;
}
}
/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.Renderable.TerrainPath"/> class.
/// </summary>
/// <param name="name"></param>
/// <param name="parentWorld"></param>
/// <param name="minDisplayAltitude"></param>
/// <param name="maxDisplayAltitude"></param>
/// <param name="dataArchiveReader"></param>
/// <param name="fileOffset"></param>
/// <param name="fileSize"></param>
/// <param name="north"></param>
/// <param name="south"></param>
/// <param name="east"></param>
/// <param name="west"></param>
/// <param name="heightAboveSurface"></param>
/// <param name="lineColor"></param>
/// <param name="terrainAccessor"></param>
public TerrainPath(
string name,
World parentWorld,
double minDisplayAltitude,
double maxDisplayAltitude,
BinaryReader dataArchiveReader,
long fileOffset,
long fileSize,
double north,
double south,
double east,
double west,
float heightAboveSurface,
System.Drawing.Color lineColor,
TerrainAccessor terrainAccessor)
: base(name, parentWorld.Position, Quaternion.RotationYawPitchRoll(0, 0, 0))
{
this._parentWorld = parentWorld;
this._minDisplayAltitude = minDisplayAltitude;
this._maxDisplayAltitude = maxDisplayAltitude;
this._dataArchiveReader = dataArchiveReader;
this._fileOffset = fileOffset;
this._fileSize = fileSize;
this.heightAboveSurface = heightAboveSurface;
//this.terrainMapped = terrainMapped;
this.lineColor = lineColor.ToArgb();
this._terrainAccessor = terrainAccessor;
this.north = (float)north;
this.south = (float)south;
this.west = (float)west;
this.east = (float)east;
this.RenderPriority = RenderPriority.LinePaths;
this.boundingBox = new BoundingBox(this.south, this.north, this.west, this.east,
(float)this._parentWorld.EquatorialRadius,
(float)(this._parentWorld.EquatorialRadius + this.verticalExaggeration * heightAboveSurface));
}
private void updateNode(TreeNode tn)
{
TerrainAccessorInfo taInfo = (TerrainAccessorInfo)tn.Tag;
taInfo.LastSpotted = DateTime.Now;
if (tn.Checked != taInfo.Accessor.IsOn)
{
tn.Checked = taInfo.Accessor.IsOn;
}
TerrainAccessor ta = (TerrainAccessor)taInfo.Accessor;
TreeNode correctNode = (TreeNode)m_NodeHash[ta.Name];
if (correctNode == null)
{
correctNode = new TreeNode(ta.Name);
TerrainAccessorInfo currentTai = new TerrainAccessorInfo();
currentTai.Accessor = ta;
correctNode.Tag = currentTai;
m_NodeHash.Add(ta.Name, correctNode);
treeView1.BeginInvoke(new UpdateChildNodeDelegate(this.UpdateChildNodeTree),
new object[] { tn, correctNode });
}
}
private void m_updateTimerElapsed(object sneder, ElapsedEventArgs e)
{
try
{
if (!rootNodeDone)
{
AddRootNode();
rootNodeDone = true;
}
DateTime updateStart = DateTime.Now;
for (int i = 0; i < m_worldWindow.CurrentWorld.TerrainAccessor.SubsetCount; i++)
{
TerrainAccessor currentTA = (TerrainAccessor)m_worldWindow.
CurrentWorld.TerrainAccessor.HighResSubsets[i];
if (i >= this.treeView1.Nodes.Count)
{
// More than what is currently in the system, add a node
TreeNode correctNode = new TreeNode(currentTA.Name);
TerrainAccessorInfo taInfo = new TerrainAccessorInfo();
taInfo.Accessor = currentTA;
correctNode.Tag = taInfo;
m_NodeHash.Add(correctNode.Text, correctNode);
this.treeView1.BeginInvoke(new AddTableTreeDelegate(this.AddTableTree),
new object[] { correctNode });
updateNode(correctNode);
}
else
{
// Compare and update nodes
TreeNode currentTn = this.treeView1.Nodes[i];
TerrainAccessorInfo taInfo = (TerrainAccessorInfo)currentTn.Tag;
if (taInfo.Accessor != null && taInfo.Accessor.Name == currentTA.Name)
{
updateNode(currentTn);
continue;
}
else
{
if (!m_NodeHash.Contains(currentTA.Name))
{
// add it
taInfo = new TerrainAccessorInfo();
taInfo.Accessor = currentTA;
currentTn = new TreeNode(currentTA.Name);
currentTn.Tag = taInfo;
m_NodeHash.Add(currentTn.Text, currentTn);
this.treeView1.BeginInvoke(new InsertTableTreeDelegate(
this.InsertTableTree), new object[] { i, currentTn });
}
else
{
currentTn = (TreeNode)m_NodeHash[currentTA.Name];
try
{
treeView1.BeginInvoke(new RemoveTableTreeDelegate(
this.RemoveTableTree), new object[] { currentTn });
}
catch
{ }
treeView1.BeginInvoke(new InsertTableTreeDelegate(
this.InsertTableTree), new object[] { i, currentTn });
}
}
updateNode(currentTn);
}
}
for (int i = m_worldWindow.CurrentWorld.TerrainAccessor.HighResSubsets.Length;
i < this.treeView1.Nodes.Count; i++)
{
this.treeView1.BeginInvoke(new RemoveAtTableTreeDelegate(
this.RemoveAtTableTree), new object[] { i });
}
ArrayList deletionList = new ArrayList();
foreach (TreeNode tn in m_NodeHash.Values)
{
TerrainAccessorInfo taInfo = (TerrainAccessorInfo)tn.Tag;
if (taInfo == null || taInfo.Accessor == null ||
taInfo.LastSpotted < updateStart)
{
deletionList.Add(taInfo.Accessor.Name);
}
}
foreach (string key in deletionList)
{
m_NodeHash.Remove(key);
}
// Compare the nodes to the previously selected node
// and restore the selection to the same node
treeView1.BeginInvoke(new SetPreviousNodeDelegate(
this.SetPreviousNode), new object[] { selectedNode });
}
catch
{ }
}
public World(string name, Vector3d position, Quaternion4d orientation, System.Windows.Forms.Control control, TerrainAccessor terrainAccessor)
{
this._name = name;
m_worldradius = EarthRadius;
this.position = position;
this.orientation = orientation;
MeterPerDegree = SMath.MeterPerDegree();
this._terrainAccessor = terrainAccessor;
this.RenderLayerList = new GeoLayerList();
m_OverlayList = new WidgetRoot(control);
}
