/// <summary>
/// Parses Multi Polygons
/// </summary>
/// <param name="inNode">The node containing Polygons</param>
/// <param name="layer">The layer to add the resulting Polygons to</param>
private void ParseMultiGeometry(XmlNode inNode, RIcons layer)
{
// Parse all Placemarks that have a name and Polygon
XmlNodeList placemarkNodes = inNode.SelectNodes("Placemark[name and MultiGeometry]");
Random rand = new Random((int)DateTime.Now.Ticks);
foreach(XmlNode placemarkNode in placemarkNodes)
{
XmlNode nameNode = placemarkNode.SelectSingleNode("name");
string name = nameNode.InnerText;
// change this to something that unifies the geometry into a single object instead of a user-accessible list
RIcons multiGeometryList = new RIcons(name);
Style style = null;
// get StyleUrl
XmlNode styleUrlNode = placemarkNode.SelectSingleNode("styleUrl");
if(styleUrlNode != null)
{
string styleUrlKey = styleUrlNode.InnerText.Trim();
if(styleUrlKey.StartsWith("#"))
styleUrlKey = styleUrlKey.Substring(1, styleUrlKey.Length - 1);
style = (Style)iconStyles[styleUrlKey];
}
else
{
XmlNode styleNode = placemarkNode.SelectSingleNode("Style");
if(styleNode != null)
style = GetStyle( styleNode, new Style(), "");
}
if(style == null)
style = new Style();
if(style.LineStyle == null)
style.LineStyle = new LineStyle();
if(style.PolyStyle == null)
style.PolyStyle = new PolyStyle();
XmlNodeList lineStringNodes = placemarkNode.SelectNodes("MultiGeometry/LineString");
foreach(XmlNode lineStringNode in lineStringNodes)
{
bool extrude = false;
XmlNode extrudeNode = lineStringNode.SelectSingleNode("extrude");
if (extrudeNode != null)
extrude = Convert.ToBoolean(Convert.ToInt16(extrudeNode.InnerText));
XmlNode coordinateNode = lineStringNode.SelectSingleNode("coordinates");
Point3d[] points = ParseCoordinates(coordinateNode);
XmlNode altitudeModeNode = lineStringNode.SelectSingleNode("altitudeMode");
AltitudeMode altitudeMode = GetAltitudeMode(altitudeModeNode);
if(points != null && points.Length > 0)
{
LineFeature line = new LineFeature(
name,
m_world,
points,
System.Drawing.Color.FromArgb(style.LineStyle.Color.Color)
);
line.AltitudeMode = altitudeMode;
if(style.PolyStyle.Color != null)
line.PolygonColor = System.Drawing.Color.FromArgb(style.PolyStyle.Color.Color);
line.LineWidth = (float)style.LineStyle.Width.Value;
line.Extrude = extrude;
multiGeometryList.Add(line);
}
}
XmlNodeList polygonNodes = placemarkNode.SelectNodes("MultiGeometry/Polygon");
foreach(XmlNode polygonNode in polygonNodes)
{
bool extrude = false;
XmlNode extrudeNode = polygonNode.SelectSingleNode("extrude");
if (extrudeNode != null)
extrude = Convert.ToBoolean(Convert.ToInt16(extrudeNode.InnerText));
XmlNode altitudeModeNode = polygonNode.SelectSingleNode("altitudeMode");
AltitudeMode altitudeMode = GetAltitudeMode(altitudeModeNode);
LinearRing outerRing = null;
LinearRing[] innerRings = null;
// Parse Outer Ring
XmlNode outerRingNode = polygonNode.SelectSingleNode("outerBoundaryIs/LinearRing/coordinates");
if (outerRingNode != null)
{
Point3d[] points = ParseCoordinates(outerRingNode);
outerRing = new LinearRing();
outerRing.Points = points;
}
// Parse Inner Ring
XmlNodeList innerRingNodes = polygonNode.SelectNodes("innerBoundaryIs");
if (innerRingNodes != null)
{
innerRings = new LinearRing[innerRingNodes.Count];
for(int i = 0; i < innerRingNodes.Count; i++)
{
Point3d[] points = ParseCoordinates(innerRingNodes[i]);
innerRings[i] = new LinearRing();
innerRings[i].Points = points;
}
}
if(outerRing != null)
{
PolygonFeature polygonFeature = new PolygonFeature(
name,
m_world,
outerRing,
innerRings,
(style.PolyStyle.Color != null ? System.Drawing.Color.FromArgb(style.PolyStyle.Color.Color) : System.Drawing.Color.Yellow)
);
polygonFeature.Extrude = extrude;
polygonFeature.AltitudeMode = altitudeMode;
polygonFeature.Outline = style.PolyStyle.Outline;
if(style.LineStyle.Color != null)
polygonFeature.OutlineColor = System.Drawing.Color.FromArgb(style.LineStyle.Color.Color);
multiGeometryList.Add(polygonFeature);
}
}
XmlNode visibilityNode = placemarkNode.SelectSingleNode("visibility");
if(visibilityNode != null)
multiGeometryList.IsOn = (visibilityNode.InnerText == "1" ? true : false);
layer.Add(multiGeometryList);
}
}
/// <summary>
/// This Method parses screen overlays and adds to renderables
/// using ScreenOverlay Object
/// </summary>
/// <param name="inNode">The node containing the Screen Overlay</param>
/// <param name="layer">The layer to add the resulting Screen Overlay to</param>
private void ParseScreenOverlays(XmlNode inNode, RIcons layer)
{
XmlNodeList screenOverlays = inNode.SelectNodes("ScreenOverlay");
if(screenOverlays!=null)
{
foreach(XmlNode screenOverlayNode in screenOverlays)
{
XmlNode nameNode = screenOverlayNode.SelectSingleNode("name");
String name = "";
if(nameNode != null)
name = nameNode.InnerText;
XmlNode uriNode = screenOverlayNode.SelectSingleNode("Icon/href");
String uri = "http://www.apogee.com.au/logo_topleft.gif";
if (uriNode != null)
{
uri = uriNode.InnerText;
}
float posX = 0;
float posY = 0;
ScreenUnits posXUnits = ScreenUnits.Pixels;
ScreenUnits posYUnits = ScreenUnits.Pixels;
XmlNode positionNode = screenOverlayNode.SelectSingleNode("screenXY");
if (positionNode != null)
{
if (positionNode.Attributes["x"] != null)
{
posX = float.Parse(positionNode.Attributes["x"].InnerText, CultureInfo.InvariantCulture);
if (positionNode.Attributes["xunits"].InnerText.ToLower() == "fraction")
{
posXUnits = ScreenUnits.Fraction;
}
}
if (positionNode.Attributes["y"] != null)
{
posY = float.Parse(positionNode.Attributes["y"].InnerText, CultureInfo.InvariantCulture);
if (positionNode.Attributes["yunits"].InnerText.ToLower() == "fraction")
{
posYUnits = ScreenUnits.Fraction;
}
}
}
ScreenOverlay scoverlay = new ScreenOverlay(name, posX, posY, uri);
scoverlay.PositionXUnits = posXUnits;
scoverlay.PositionYUnits = posYUnits;
scoverlay.ShowHeader = false;
XmlNode sizeNode = screenOverlayNode.SelectSingleNode("size");
if (sizeNode != null)
{
if (sizeNode.Attributes["x"] != null)
{
scoverlay.Width = float.Parse(sizeNode.Attributes["x"].InnerText, CultureInfo.InvariantCulture);
if(sizeNode.Attributes["xunits"].InnerText.ToLower() == "fraction")
{
scoverlay.SizeXUnits = ScreenUnits.Fraction;
}
}
if (sizeNode.Attributes["y"] != null)
{
scoverlay.Height = float.Parse(sizeNode.Attributes["y"].InnerText, CultureInfo.InvariantCulture);
if (sizeNode.Attributes["yunits"].InnerText.ToLower() == "fraction")
{
scoverlay.SizeYUnits = ScreenUnits.Fraction;
}
}
}
layer.Add(scoverlay);
}
}
}
/// <summary>
/// Parses LineStrings
/// </summary>
/// <param name="inNode">The node containing LineStrings</param>
/// <param name="layer">The layer to add the resulting lines to</param>
/// <param name="KmlPath">The path to the KML file that is being loaded</param>
private void ParseLineStrings(XmlNode inNode, RIcons layer)
{
// Parse all Placemarks that have a name and LineString
XmlNodeList lineStrings = inNode.SelectNodes("Placemark[name and LineString]");
foreach (XmlNode node in lineStrings)
{
// Extract the name from this node
XmlNode nameNode = node.SelectSingleNode("name");
string name = nameNode.InnerText;
Style style = null;
// get StyleUrl
XmlNode styleUrlNode = node.SelectSingleNode("styleUrl");
if(styleUrlNode != null)
{
string styleUrlKey = styleUrlNode.InnerText.Trim();
if(styleUrlKey.StartsWith("#"))
styleUrlKey = styleUrlKey.Substring(1, styleUrlKey.Length - 1);
style = (Style)iconStyles[styleUrlKey];
}
else
{
XmlNode styleNode = node.SelectSingleNode("Style");
if(styleNode != null)
style = GetStyle( styleNode, new Style(), "");
}
if(style == null)
style = new Style();
if(style.LineStyle == null)
style.LineStyle = new LineStyle();
if(style.PolyStyle == null)
style.PolyStyle = new PolyStyle();
// See if this LineString has to be extruded to the ground
bool extrude = false;
XmlNode extrudeNode = node.SelectSingleNode("LineString/extrude");
if (extrudeNode != null)
extrude = Convert.ToBoolean(Convert.ToInt16(extrudeNode.InnerText));
//Parse Coordinates
XmlNode outerRingNode = node.SelectSingleNode("LineString/coordinates");
if(outerRingNode != null)
{
// Parse the list of line coordinates
Point3d[] points = ParseCoordinates(outerRingNode);
LineFeature line = new LineFeature(name, m_world, points, System.Drawing.Color.FromArgb(style.LineStyle.Color.Color));
XmlNode altitudeModeNode = node.SelectSingleNode("LineString/altitudeMode");
line.AltitudeMode = GetAltitudeMode(altitudeModeNode);
line.LineWidth = (float)style.LineStyle.Width.Value;
if (extrude)
{
line.Extrude = true;
if(style.PolyStyle.Color != null)
{
line.PolygonColor = System.Drawing.Color.FromArgb(style.PolyStyle.Color.Color);
}
}
XmlNode visibilityNode = node.SelectSingleNode("visibility");
if(visibilityNode != null)
line.IsOn = (visibilityNode.InnerText == "1" ? true : false);
layer.Add(line);
}
}
}
/// <summary>
/// Loads this plugin. Initializes variables and adds layers and menu items
/// </summary>
public override void Load()
{
// Load settings
Settings.LoadSettings(Path.Combine(KmlDirectory, "KMLImporter.xml"));
// Initialize the main Icons layer
KMLIcons = new RIcons("KML Icons");
KMLIcons.IsOn = false;
// Setup Drag&Drop functionality
m_Application.WorldWindow.DragEnter += new DragEventHandler(WorldWindow_DragEnter);
m_Application.WorldWindow.DragDrop += new DragEventHandler(WorldWindow_DragDrop);
// Add a menu item to the File menu and the Help menu
MenuItem loadMenuItem = new MenuItem();
loadMenuItem.Text = "Import KML/KMZ file...";
loadMenuItem.Click += new EventHandler(loadMenu_Click);
aboutMenuItem.Text = "About KMLImporter";
aboutMenuItem.Click += new EventHandler(aboutMenu_Click);
int mergeOrder = 0;
foreach (MenuItem menuItem in m_Application.MainMenu.MenuItems)
{
if (menuItem.Text.Replace("&", "") == "File")
{
foreach (MenuItem subMenuItem in menuItem.MenuItems)
{
subMenuItem.MergeOrder = mergeOrder;
if (subMenuItem.Text == "-")
mergeOrder = 2; // Everything after this should come after our new items
}
tempMenu.Text = menuItem.Text;
tempMenu.MergeOrder = 1; // MergeOrder 1 will have 0 before it and 2 after it
tempMenu.MenuItems.Add(loadMenuItem);
tempMenu.MenuItems.Add(new MenuItem("-"));
menuItem.MergeMenu(tempMenu);
}
if (menuItem.Text.Replace("&", "") == "Help")
menuItem.MenuItems.Add(aboutMenuItem);
}
// Napalm enable/disable menu item
bool bEnabled = Napalm.NapalmIsEnabled(KmlDirectory);
if (bEnabled)
napalmMenuItem.Text = "Disable KMLImporter autoupdate";
else
napalmMenuItem.Text = "Enable KMLImporter autoupdate";
napalmMenuItem.Click += new EventHandler(napalmMenu_Click);
pluginMenuItem.MenuItems.Add(napalmMenuItem);
// Allways show labels enable/disable menu item
labelMenuItem.Text = "Show all labels";
labelMenuItem.Checked = Settings.ShowAllLabels;
labelMenuItem.Click += new EventHandler(labelMenuItem_Click);
pluginMenuItem.MenuItems.Add(labelMenuItem);
// Add a menu item to the Plugins menu
pluginMenuItem.Text = "KMLImporter";
m_Application.PluginsMenu.MenuItems.Add(pluginMenuItem);
// Some magic to provide backward compability
Type typecontroller = typeof(MainApplication);
System.Reflection.PropertyInfo finfo = typecontroller.GetProperty("CmdArgs", BindingFlags.Static|BindingFlags.Public|BindingFlags.GetProperty);
string[] temp = null;
if(finfo != null)
{
temp = (string[])finfo.GetValue(null, null);
// If command line arguments are available, try to find one pointing to a kml/kmz file
if (temp != null)
{
foreach (string arg in temp)
{
if (!File.Exists(arg))
continue;
string fExt = Path.GetExtension(arg);
if (fExt != ".kml" && fExt != ".kmz")
continue;
LoadDiskKM(arg);
break;
}
}
}
// Add the main Icons layer to the globe
m_Application.WorldWindow.CurrentWorld.RenderableObjects.Add(KMLIcons);
//Set the currentworld
m_world = m_Application.WorldWindow.CurrentWorld;
base.Load();
}
/// <summary>
/// Parse Ground Overlays
/// </summary>
/// <param name="inNode">The node containing Ground Overlays</param>
/// <param name="layer">The layer to add the resulting Ground Overlays to</param>
private void ParseGroundOverlays(XmlNode inNode, RIcons layer)
{
// Parse all Placemarks that have a name and LineString
XmlNodeList groundOverlays = inNode.SelectNodes("GroundOverlay[name and LatLonBox]");
foreach (XmlNode node in groundOverlays)
{
// Extract the name from this node
XmlNode nameNode = node.SelectSingleNode("name");
string name = nameNode.InnerText;
XmlNode latLonBoxNode = node.SelectSingleNode("LatLonBox");
//Parse Coordinates
if(latLonBoxNode != null)
{
XmlNode northNode = latLonBoxNode.SelectSingleNode("north");
XmlNode southNode = latLonBoxNode.SelectSingleNode("south");
XmlNode westNode = latLonBoxNode.SelectSingleNode("west");
XmlNode eastNode = latLonBoxNode.SelectSingleNode("east");
double north = ConfigurationLoader.ParseDouble(northNode.InnerText);
double south = ConfigurationLoader.ParseDouble(southNode.InnerText);
double west = ConfigurationLoader.ParseDouble(westNode.InnerText);
double east = ConfigurationLoader.ParseDouble(eastNode.InnerText);
// Create GroundOverlay
WorldWind.Renderable.ImageLayer imageLayer = new ImageLayer(
name,
ParentApplication.WorldWindow.CurrentWorld,
0,
null,
south,
north,
west,
east,
1.0,
ParentApplication.WorldWindow.CurrentWorld.TerrainAccessor
);
imageLayer.DisableZBuffer = true;
imageLayer.ImageUrl = node.SelectSingleNode("Icon/href").InnerText;
XmlNode visibilityNode = node.SelectSingleNode("visibility");
if(visibilityNode != null)
imageLayer.IsOn = (visibilityNode.InnerText == "1" ? true : false);
layer.Add(imageLayer);
}
}
}
/// <summary>
/// Parse NetworkLinks
/// </summary>
/// <param name="inNode">The XmlNode to load NetworkLinks from</param>
/// <param name="layer">The layer to add NetworkLinks to</param>
private void ParseNetworkLinks(XmlNode inNode, RIcons layer)
{
// Find NetworkLinks, initialize them and download them for the first time
XmlNodeList networklinks = inNode.SelectNodes("NetworkLink");
foreach (XmlNode node in networklinks)
{
try
{
// Find out the name for this NetworkLink
string nlName = "NetworkLink";
XmlNode nameNode = node.SelectSingleNode("name");
if (nameNode != null)
nlName = nameNode.InnerText;
// See if a folder for this NetworkLink already exists
RIcons folder = null;
foreach (RenderableObject ro in layer.ChildObjects)
{
RIcons ricons = ro as RIcons;
if ((ricons != null) && (ro.Name == nlName))
{
folder = ricons;
}
}
// Create a new folder if none is available
if (folder == null)
{
folder = new RIcons(nlName);
layer.Add(folder);
}
XmlNode visibilityNode = node.SelectSingleNode("visibility");
if(visibilityNode != null)
folder.IsOn = (visibilityNode.InnerText == "1" ? true : false);
// Find the URL to download the file from
string loadFile = null;
XmlNode hrefNode = node.SelectSingleNode("Url/href");
if ((hrefNode != null) && (hrefNode.InnerText.Length > 0))
loadFile = hrefNode.InnerText;
// Give up if no URL can be found
if (loadFile == null)
continue;
int tickSeconds = -1;
int viewSeconds = -1;
bool fired = false;
if (node.SelectSingleNode("Url/refreshMode") != null)
{
if (node.SelectSingleNode("Url/refreshMode").InnerText == "onInterval")
{
string refreshText = node.SelectSingleNode("Url/refreshInterval").InnerText;
tickSeconds = Convert.ToInt32(refreshText, CultureInfo.InvariantCulture);
}
if (node.SelectSingleNode("Url/refreshMode").InnerText == "once")
{
NetworkLink netLink = new NetworkLink(this, folder, loadFile, -1, -1);
netLink.Fire();
netLink.Dispose();
fired = true;
}
}
if ((node.SelectSingleNode("Url/viewRefreshMode") != null) && (node.SelectSingleNode("Url/viewRefreshMode").InnerText == "onStop"))
{
string refreshText = node.SelectSingleNode("Url/viewRefreshTime").InnerText;
viewSeconds = Convert.ToInt32(refreshText, CultureInfo.InvariantCulture);
}
// Initialize the actual NetworkLink object to handle updates for us
if (tickSeconds != -1 || viewSeconds != -1)
{
NetworkLink netLink = new NetworkLink(this, folder, loadFile, tickSeconds*1000, viewSeconds*1000);
netLink.Fire();
networkLinks.Add(netLink);
}
else if(!fired)
{
NetworkLink netLink = new NetworkLink(this, folder, loadFile, -1, -1);
netLink.Fire();
netLink.Dispose();
}
}
catch (Exception ex)
{ Log.Write(Log.Levels.Error, "KMLImporter: " + ex.ToString()); }
}
}
/// <summary>
/// Parses Placemarks
/// </summary>
/// <param name="inNode">The node containing Placemarks</param>
/// <param name="layer">The layer to add the resulting icons or folders to</param>
/// <param name="KmlPath">The path to the KML file that is being loaded</param>
private void ParsePlacemarks(XmlNode inNode, RIcons layer, string KmlPath)
{
foreach (WorldWind.Renderable.RenderableObject ro in layer.ChildObjects)
{
RIcon ricon = ro as RIcon;
if (ricon != null)
ricon.HasBeenUpdated = false;
}
// Parse all Placemarks that have a name and location
XmlNodeList placemarks = inNode.SelectNodes("Placemark[name and Point]");
foreach (XmlNode node in placemarks)
{
try
{
string name = node.SelectSingleNode("name").InnerText;
RIcon update = null;
// Extract the location string for this Placemark node and split it up
string loc = node.SelectSingleNode("Point/coordinates").InnerText.Trim();
LLA lla = ParseCoordinate(loc);
string desc = null;
string uri = null;
// Extract a description and make sure it's not too long
XmlNode xnode = node.SelectSingleNode("description");
if (xnode != null)
{
string descRaw = xnode.InnerText;
uri = SearchUri(descRaw);
// Ashish Datta - commented so that the HTML stays in the description property.
desc = descRaw;
if (desc.Length > 505)
desc = desc.Substring(0, 500) + "...";
}
float rotation = 0;
bool bRotated = false;
string rotRaw = null;
// Locate a node containing rotation
XmlNode rotNode1 = node.SelectSingleNode("Point/rotation");
if (rotNode1 != null)
rotRaw = rotNode1.InnerText;
else
{
XmlNode rotNode2 = node.SelectSingleNode("IconStyle/heading");
if (rotNode2 != null)
rotRaw = rotNode2.InnerText;
else
{
XmlNode rotNode3 = node.SelectSingleNode("Style/IconStyle/heading");
if (rotNode3 != null)
rotRaw = rotNode3.InnerText;
}
}
// If rotation was found parse it
if (rotRaw != null)
{
rotation = Convert.ToSingle(rotRaw, CultureInfo.InvariantCulture);
bRotated = true;
}
// Find a style for this icon
Style style = LocateStyle(node, KmlPath);
// Check if this icon has to be extruded
bool bExtrude = false;
XmlNode extrudeNode = node.SelectSingleNode("Point/extrude");
if (extrudeNode != null)
{
if (extrudeNode.InnerText == "1")
bExtrude = true;
}
// See if this icon already exists, and store it if it does
foreach (WorldWind.Renderable.RenderableObject ro in layer.ChildObjects)
{
RIcon ricon = ro as RIcon;
if (ricon != null)
{
if ((ro.Name == name) && ((style == null) || ((ricon.NormalIcon == style.NormalIcon) && (!ricon.HasBeenUpdated))))
{
update = ricon;
update.HasBeenUpdated = true;
break;
}
}
}
// If a previous icons has been found update it's location
if (update != null)
{
update.IsRotated = bRotated;
if (bRotated)
{
update.Rotation = Angle.FromDegrees(rotation);
}
if (style != null)
{
update.Height = Double.IsNaN(style.NormalScale) ? IconSizeConstant : (int)(style.NormalScale * Math.Min(((Bitmap)bitmapCache[style.NormalIcon]).Height, IconSizeConstant));
update.Width = Double.IsNaN(style.NormalScale) ? IconSizeConstant : (int)(style.NormalScale * Math.Min(((Bitmap)bitmapCache[style.NormalIcon]).Width, IconSizeConstant));
update.Description = desc;
update.SetPosition(lla.lat, lla.lon, lla.alt);
}
}
else
{
// Create the icon with either the generated bitmap or the default dot
if (style != null)
{
CreateIcon(layer, name, desc, uri, lla.lat, lla.lon, lla.alt, style, bRotated, rotation, bExtrude);
}
else
{
// Use the default 'tack' icon if no style was found
string pal3Path = Path.Combine(KmlDirectory, "icons/palette-3.png");
if (File.Exists(pal3Path))
{
if (!bitmapCache.Contains(pal3Path))
bitmapCache.Add(pal3Path, (Bitmap)Bitmap.FromFile(pal3Path));
Style pinStyle = new Style(GetSubImage(new Style(pal3Path), 448, 64, 64, 64));
CreateIcon(layer, name, desc, uri, lla.lat, lla.lon, lla.alt, pinStyle, bRotated, rotation, bExtrude);
}
}
}
}
catch (Exception ex)
{ Log.Write(Log.Levels.Error, "KMLImporter: " + ex.ToString()); }
}
// Cleanup icons that have not been updated
RemoveUnusedIcons(layer);
}
/// <summary>
/// Parses everything that is not a style
/// </summary>
/// <param name="inNode">The node containing renderables</param>
/// <param name="layer">The layer to add the resulting renderables to</param>
/// <param name="KmlPath">The path to the KML file that is being loaded</param>
private void ParseRenderables(XmlNode inNode, RIcons layer, string KmlPath)
{
// Extract and set layer visibility for the current layer
XmlNode visible = inNode.SelectSingleNode("visibility");
if (visible != null)
{
if (visible.InnerText == "0")
layer.IsOn = false;
}
// Parse all Folders
ParseFolders(inNode, layer, KmlPath);
// Parse NetworkLinks
ParseNetworkLinks(inNode, layer);
// Parse GroundOverlays
ParseGroundOverlays(inNode, layer);
//Parse ScreenOverlays
ParseScreenOverlays(inNode, layer);
// Parse Placemarks
ParsePlacemarks(inNode, layer, KmlPath);
// Parse LineStrings
ParseLineStrings(inNode, layer);
// Parse Polygons
ParsePolygons(inNode, layer);
// Parse MultiGeometry
ParseMultiGeometry(inNode, layer);
// Update metadata for this layer
layer.MetaData["Child count"] = layer.ChildObjects.Count;
}
/// <summary>
/// Locates Folders and parses them recursively
/// </summary>
/// <param name="inNode">The XmlNode to extract the Folders from</param>
/// <param name="layer">The layer to add the folders to</param>
/// <param name="KmlPath">The path to the KML file that is being loaded</param>
private void ParseFolders(XmlNode inNode, RIcons layer, string KmlPath)
{
// Find Folders and initialize them recursively
XmlNodeList folders = inNode.SelectNodes("Folder");
foreach (XmlNode node in folders)
{
try
{
// Find the name of the folder
string foldername = "Folder";
XmlNode nameNode = node.SelectSingleNode("name");
if (nameNode != null)
foldername = nameNode.InnerText;
// See if the folder already exists
RIcons folder = null;
foreach (RenderableObject ro in layer.ChildObjects)
{
RIcons ricons = ro as RIcons;
if ((ricons != null) && (ro.Name == foldername))
{
folder = ricons;
}
}
// Create a new folder if it doesn't exist yet
if (folder == null)
{
folder = new RIcons(foldername);
layer.Add(folder);
}
XmlNode visibilityNode = node.SelectSingleNode("visibility");
if(visibilityNode != null)
layer.IsOn = (visibilityNode.InnerText == "1" ? true : false);
// Parse placemarks into the folder
ParseRenderables(node, folder, KmlPath);
}
catch (Exception ex)
{ Log.Write(Log.Levels.Error, "KMLImporter: " + ex.ToString()); }
}
}
/// <summary>
/// Load given KML data
/// </summary>
/// <param name="kml">The KML data to load</param>
internal void LoadKML(string kml, RIcons layer)
{
kml = kml.Replace("xmlns=\"http://earth.google.com/kml/2.0\"", ""); // HACK
kml = kml.Replace("xmlns='http://earth.google.com/kml/2.0'", ""); // DOUBLE HACK
kml = kml.Replace("xmlns=\"http://earth.google.com/kml/2.1\"", ""); // MULTI HACK!
kml = kml.Replace("xmlns='http://earth.google.com/kml/2.1'", ""); // M-M-M-M-M-M-M-MONSTER HACK!!!!
// Open the downloaded xml in an XmlDocument to allow for XPath searching
XmlDocument doc = new XmlDocument();
doc.LoadXml(kml);
// Try to find some sort of name for this kml from various places
XmlNode node = doc.SelectSingleNode("//Document[name]/name");
if(layer.Name == null || layer.Name.Length == 0 || layer.Name.Equals("KML Icons"))
{
if (node != null)
layer.Name = node.InnerText;
}
// Parse Style and StyleMap nodes and store them
ParseStyles(doc, KMLPath);
// Load Placemarks recursively and put them in folders
XmlNode inNode = doc.SelectSingleNode("/kml/Document");
if (inNode == null)
inNode = doc.SelectSingleNode("/kml");
/// if(inNode == null)
// inNode = doc.SelectSingleNode("/Document");
if(inNode != null)
ParseRenderables(inNode, layer, KMLPath);
}
/// <summary>
/// Creates and initializes a new NetworkLink
/// </summary>
/// <param name="owner">The owner of this NetworkLink</param>
/// <param name="layer">The layer to update the NetworkLink to</param>
/// <param name="url">The URL to update the NetworkLink from</param>
/// <param name="tickTime">The interval, in milliseconds, at which the NetworkLink should update</param>
/// <param name="viewTime">The time, in milliseconds, after the view stops moving which the NetworkLink should update</param>
internal NetworkLink(KMLImporter owner, RIcons layer, string url, int tickTime, int viewTime)
{
this.owner = owner;
this.url = url;
this.layer = layer;
if (tickTime > 0)
{
tickTimer.Interval = (double)tickTime;
tickTimer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);
tickTimer.Start();
}
if (viewTime > 0)
{
viewTimer.Interval = (double)viewTime;
viewTimer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);
viewTimer.Start();
}
}
/// <summary>
/// Removes unused icons from a given layer
/// </summary>
/// <param name="layer">The layer to remove icons from</param>
private static void RemoveUnusedIcons(RIcons layer)
{
// Stores removed icons
ArrayList VFD = new ArrayList();
// Search for removed icons
foreach (WorldWind.Renderable.RenderableObject ro in layer.ChildObjects)
{
RIcon ricon = ro as RIcon;
if ((ricon != null) && (!ricon.HasBeenUpdated))
{
VFD.Add(ro);
}
}
// Remove all icons that were found to be removed
foreach (WorldWind.Renderable.RenderableObject ro in VFD)
{
layer.Remove(ro);
ro.Dispose();
}
}
/// <summary>
/// Creates a scaled icon on the globe
/// </summary>
/// <param name="Name">The name of the item</param>
/// <param name="Desc">The description</param>
/// <param name="Lat">The latitude for the icon</param>
/// <param name="Lon">The longitude for the icon</param>
/// <param name="Alt">The altitude to draw the icon at</param>
/// <param name="bitmapPath">The path to the bitmap to show</param>
private void CreateIcon(RIcons layer, string Name, string Desc, string Uri, float Lat, float Lon, float Alt,
Style style, bool bRotated, float rotation, bool bExtrude)
{
// Create the icon and set initial settings
RIcon ic = new RIcon(
Name, // name
Lat, // latitude
Lon, // longitude
style.NormalIcon, // helper
Alt); // altitude
// Set optional icon settings
if (Desc != null)
ic.Description = Desc;
if (Uri != null)
ic.ClickableActionURL = Uri;
if (bRotated)
{
ic.Rotation = Angle.FromDegrees(rotation);
ic.IsRotated = true;
}
ic.m_drawGroundStick = bExtrude;
if (style.NormalIcon != null && bitmapCache.Contains(style.NormalIcon))
{
ic.Image = (Bitmap)bitmapCache[style.NormalIcon];
ic.Height = Double.IsNaN(style.NormalScale) ? IconSizeConstant : (int)(style.NormalScale * Math.Min(((Bitmap)bitmapCache[style.NormalIcon]).Height, IconSizeConstant));
ic.Width = Double.IsNaN(style.NormalScale) ? IconSizeConstant : (int)(style.NormalScale * Math.Min(((Bitmap)bitmapCache[style.NormalIcon]).Width, IconSizeConstant));
}
// Add the icon to the layer
layer.Add(ic);
}
/// <summary>
/// Parses Polygons
/// </summary>
/// <param name="inNode">The node containing Polygons</param>
/// <param name="layer">The layer to add the resulting Polygons to</param>
private void ParsePolygons(XmlNode inNode, RIcons layer)
{
// Parse all Placemarks that have a name and Polygon
XmlNodeList polygons = inNode.SelectNodes("Placemark[name and Polygon]");
Random rand = new Random((int)DateTime.Now.Ticks);
foreach (XmlNode node in polygons)
{
// Extract the name from this node
XmlNode nameNode = node.SelectSingleNode("name");
string name = nameNode.InnerText;
Style style = null;
// get StyleUrl
XmlNode styleUrlNode = node.SelectSingleNode("styleUrl");
if(styleUrlNode != null)
{
string styleUrlKey = styleUrlNode.InnerText.Trim();
if(styleUrlKey.StartsWith("#"))
styleUrlKey = styleUrlKey.Substring(1, styleUrlKey.Length - 1);
style = (Style)iconStyles[styleUrlKey];
}
else
{
XmlNode styleNode = node.SelectSingleNode("Style");
if(styleNode != null)
style = GetStyle( styleNode, new Style(), "");
}
if(style == null)
style = new Style();
if(style.LineStyle == null)
style.LineStyle = new LineStyle();
if(style.PolyStyle == null)
style.PolyStyle = new PolyStyle();
// See if this LineString has to be extruded to the ground
bool extrude = false;
XmlNode extrudeNode = node.SelectSingleNode("Polygon/extrude");
if (extrudeNode != null)
extrude = Convert.ToBoolean(Convert.ToInt16(extrudeNode.InnerText));
XmlNode altitudeModeNode = node.SelectSingleNode("Polygon/altitudeMode");
AltitudeMode altitudeMode = GetAltitudeMode(altitudeModeNode);
LinearRing outerRing = null;
LinearRing[] innerRings = null;
// Parse Outer Ring
XmlNode outerRingNode = node.SelectSingleNode("Polygon/outerBoundaryIs/LinearRing/coordinates");
if (outerRingNode != null)
{
Point3d[] points = ParseCoordinates(outerRingNode);
Console.WriteLine(points.Length);
outerRing = new LinearRing();
outerRing.Points = points;
}
// Parse Inner Ring
XmlNodeList innerRingNodes = node.SelectNodes("Polygon/innerBoundaryIs");
if (innerRingNodes != null)
{
innerRings = new LinearRing[innerRingNodes.Count];
for(int i = 0; i < innerRingNodes.Count; i++)
{
Point3d[] points = ParseCoordinates(innerRingNodes[i]);
innerRings[i] = new LinearRing();
innerRings[i].Points = points;
}
}
if(outerRing != null)
{
PolygonFeature polygonFeature = new PolygonFeature(
name, m_world,
outerRing,
innerRings,
System.Drawing.Color.FromArgb(style.PolyStyle.Color.Color));
polygonFeature.Extrude = extrude;
polygonFeature.AltitudeMode = altitudeMode;
polygonFeature.Outline = style.PolyStyle.Outline;
if(style.LineStyle.Color != null)
polygonFeature.OutlineColor = System.Drawing.Color.FromArgb(style.LineStyle.Color.Color);
XmlNode visibilityNode = node.SelectSingleNode("visibility");
if(visibilityNode != null)
polygonFeature.IsOn = (visibilityNode.InnerText == "1" ? true : false);
layer.Add(polygonFeature);
}
}
}
