public override void Initialize(DrawArgs drawArgs)
{
if (m_polygonFeature == null)
{
double offset = 0.02;
Point3d[] points = new Point3d[4];
points[0] = new Point3d(
m_longitude - offset,
m_latitude - offset,
200000);
points[1] = new Point3d(
m_longitude - offset,
m_latitude + offset,
200000);
points[2] = new Point3d(
m_longitude + offset,
m_latitude + offset,
200000);
points[3] = new Point3d(
m_longitude + offset,
m_latitude - offset,
200000);
LinearRing outerRing = new LinearRing();
outerRing.Points = points;
m_polygonFeature = new PolygonFeature(
name,
World,
outerRing,
null,
System.Drawing.Color.Chocolate);
m_polygonFeature.AltitudeMode = AltitudeMode.Absolute;
m_polygonFeature.Extrude = true;
m_polygonFeature.Outline = true;
m_polygonFeature.OutlineColor = System.Drawing.Color.Chocolate;
}
FileInfo savedFlagFile = new FileInfo(SavedImagePath);
FileInfo placeHolderFile = new FileInfo(SavedImagePath + ".blk");
if (savedFlagFile.Exists)
{
try
{
m_texture = ImageHelper.LoadTexture(
savedFlagFile.FullName,
System.Drawing.Color.Black.ToArgb());
}
catch
{
savedFlagFile.Delete();
savedFlagFile.Refresh();
}
}
if (!savedFlagFile.Exists && !placeHolderFile.Exists)
{
if (!savedFlagFile.Directory.Exists)
{
savedFlagFile.Directory.Create();
}
try
{
// Offline check
if (World.Settings.WorkOffline)
{
throw new Exception("Offline mode active.");
}
WorldWind.Net.WebDownload download = new WorldWind.Net.WebDownload(m_imageUri);
download.DownloadFile(savedFlagFile.FullName);
download.Dispose();
savedFlagFile.Refresh();
}
catch
{
FileStream fs = placeHolderFile.Create();
fs.Close();
fs = null;
placeHolderFile.Refresh();
}
if (savedFlagFile.Exists)
{
m_texture = ImageHelper.LoadTexture(
savedFlagFile.FullName,
System.Drawing.Color.Black.ToArgb());
}
}
if (m_vertexDeclaration == null)
{
VertexElement[] velements = new VertexElement[]
{
new VertexElement(0, 0, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Position, 0),
new VertexElement(0, 12, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Normal, 0),
new VertexElement(0, 24, DeclarationType.Float2, DeclarationMethod.Default, DeclarationUsage.TextureCoordinate, 0),
VertexElement.VertexDeclarationEnd
};
m_vertexDeclaration = new VertexDeclaration(drawArgs.device, velements);
}
UpdateVertices();
isInitialized = true;
}
public override void Initialize(DrawArgs drawArgs)
{
if (m_polygonFeature == null)
{
double offset = 0.02;
Point3d[] points = new Point3d[4];
points[0] = new Point3d(
m_longitude - offset,
m_latitude - offset,
200000);
points[1] = new Point3d(
m_longitude - offset,
m_latitude + offset,
200000);
points[2] = new Point3d(
m_longitude + offset,
m_latitude + offset,
200000);
points[3] = new Point3d(
m_longitude + offset,
m_latitude - offset,
200000);
LinearRing outerRing = new LinearRing();
outerRing.Points = points;
m_polygonFeature = new PolygonFeature(
name,
World,
outerRing,
null,
System.Drawing.Color.Chocolate);
m_polygonFeature.AltitudeMode = AltitudeMode.Absolute;
m_polygonFeature.Extrude = true;
m_polygonFeature.Outline = true;
m_polygonFeature.OutlineColor = System.Drawing.Color.Chocolate;
}
FileInfo savedFlagFile = new FileInfo(SavedImagePath);
FileInfo placeHolderFile = new FileInfo(SavedImagePath + ".blk");
if (savedFlagFile.Exists)
{
try
{
m_texture = ImageHelper.LoadTexture(
savedFlagFile.FullName,
System.Drawing.Color.Black.ToArgb());
}
catch
{
savedFlagFile.Delete();
savedFlagFile.Refresh();
}
}
if (!savedFlagFile.Exists && !placeHolderFile.Exists)
{
if (!savedFlagFile.Directory.Exists)
{
savedFlagFile.Directory.Create();
}
try
{
WorldWind.Net.WebDownload download = new WorldWind.Net.WebDownload(m_imageUri);
download.DownloadFile(savedFlagFile.FullName);
download.Dispose();
savedFlagFile.Refresh();
}
catch
{
FileStream fs = placeHolderFile.Create();
fs.Close();
fs = null;
placeHolderFile.Refresh();
}
if (savedFlagFile.Exists)
{
m_texture = ImageHelper.LoadTexture(
savedFlagFile.FullName,
System.Drawing.Color.Black.ToArgb());
}
}
UpdateVertices();
isInitialized = true;
}
private static void addPolygonFeature(XPathNodeIterator iter, World parentWorld, RenderableObjectList parentRenderable)
{
if (iter.Count > 0) {
while (iter.MoveNext()) {
string name = getInnerTextFromFirstChild(iter.Current.Select("Name"));
string distanceAboveSurfaceString = getInnerTextFromFirstChild(iter.Current.Select("DistanceAboveSurface"));
string minimumDisplayAltitudeString = getInnerTextFromFirstChild(iter.Current.Select("MinimumDisplayAltitude"));
string maximumDisplayAltitudeString = getInnerTextFromFirstChild(iter.Current.Select("MaximumDisplayAltitude"));
string opacityString = getInnerTextFromFirstChild(iter.Current.Select("Opacity"));
string extrudeHeightString = getInnerTextFromFirstChild(iter.Current.Select("ExtrudeHeight"));
string extrudeUpwardsString = getInnerTextFromFirstChild(iter.Current.Select("ExtrudeUpwards"));
string imageUri = getInnerTextFromFirstChild(iter.Current.Select("ImageUri"));
string outlineString = getInnerTextFromFirstChild(iter.Current.Select("Outline"));
XPathNodeIterator posListIter = iter.Current.Select("exterior/LinearRing/posList");
posListIter.MoveNext();
string lineString = getInnerTextFromFirstChild(posListIter);
string[] lineParts = lineString.Split(' ');
Point3d[] points = new Point3d[lineParts.Length];
for (int i = 0; i < lineParts.Length; i++) {
string[] pointParts = lineParts[i].Split(',');
points[i] = new Point3d();
points[i].X = ParseDouble(pointParts[0]);
points[i].Y = ParseDouble(pointParts[1]);
if (pointParts.Length > 2) {
points[i].Z = ParseDouble(pointParts[2]);
}
}
Color c = Color.Black;
Color outlineColor = Color.Black;
if (iter.Current.Select("FeatureColor").Count > 0) {
c = getColor(iter.Current.Select("FeatureColor"));
}
if (iter.Current.Select("OutlineColor").Count > 0) {
outlineColor = getColor(iter.Current.Select("OutlineColor"));
}
PolygonFeature pf = null;
pf = new PolygonFeature(name, parentWorld, points, c);
pf.OutlineColor = outlineColor;
if (outlineString != null
&& outlineString.Length > 0) {
pf.Outline = ParseBool(outlineString);
}
if (extrudeHeightString != null
&& extrudeHeightString.Length > 0) {
pf.ExtrudeHeight = ParseDouble(extrudeHeightString);
}
if (opacityString != null
&& opacityString.Length > 0) {
pf.Opacity = byte.Parse(opacityString);
}
if (distanceAboveSurfaceString != null
&& distanceAboveSurfaceString.Length > 0) {
pf.DistanceAboveSurface = ParseDouble(distanceAboveSurfaceString);
}
if (minimumDisplayAltitudeString != null
&& minimumDisplayAltitudeString.Length > 0) {
pf.MinimumDisplayAltitude = ParseDouble(minimumDisplayAltitudeString);
}
if (maximumDisplayAltitudeString != null
&& maximumDisplayAltitudeString.Length > 0) {
pf.MaximumDisplayAltitude = ParseDouble(maximumDisplayAltitudeString);
}
if (extrudeUpwardsString != null
&& extrudeUpwardsString.Length > 0) {
pf.ExtrudeUpwards = ParseBool(extrudeUpwardsString);
}
addExtendedInformation(iter.Current.Select("ExtendedInformation"), pf);
string infoUri = iter.Current.GetAttribute("InfoUri", "");
if (infoUri != null
&& infoUri.Length > 0) {
if (pf.MetaData.Contains("InfoUri")) {
pf.MetaData["InfoUri"] = infoUri;
}
else {
pf.MetaData.Add("InfoUri", infoUri);
}
}
pf.MetaData.Add("XmlSource", (string) parentRenderable.MetaData["XmlSource"]);
pf.ParentList = parentRenderable;
if (World.Settings.useDefaultLayerStates) {
pf.IsOn = ParseBool(iter.Current.GetAttribute("ShowAtStartup", ""));
}
else {
pf.IsOn = IsLayerOn(pf);
}
parentRenderable.ChildObjects.Add(pf);
parentRenderable.RenderPriority = RenderPriority.LinePaths;
}
}
}