public ArcIMSReprojectDownload(ArcIMSServerUri serverUri, int index, GeographicBoundingBox sourceBounds, ArcIMSFeatureCoordSys sourceCoordSys, String serviceName)
: base(serverUri, index)
{
this.sourceBounds = sourceBounds;
this.sourceCoordSys = sourceCoordSys;
this.serviceName = serviceName;
}
internal ArcIMSQuadLayerBuilder(ArcIMSServerUri oServerUri, String strServiceName, String szLayerTitle, String szLayerID, GeographicBoundingBox oEnvelope, ArcIMSFeatureCoordSys oProjection, WorldWindow oWorldWindow, IBuilder oParent, double dMinScale, double dMaxScale, CultureInfo oInfo)
: base(szLayerTitle, oWorldWindow, oParent)
{
m_oServerUri = oServerUri;
m_oCultureInfo = oInfo;
m_oUnprojectedEnvelope = oEnvelope;
m_oProjection = oProjection;
m_szLayerID = szLayerID;
m_szServiceName = strServiceName;
m_dMinScale = dMinScale;
if (m_dMinScale < DefaultMinScale)
{
m_dMinScale = DefaultMinScale;
}
m_dMaxScale = dMaxScale;
if (m_dMaxScale > DefaultMaxScale)
{
m_dMaxScale = DefaultMaxScale;
}
if (m_dMaxScale < m_dMinScale)
{
// --- Weird scale values, ignore them and hope for the best ---
m_dMaxScale = DefaultMaxScale;
m_dMinScale = DefaultMinScale;
}
CalculateLevels();
}
public ArcIMSReprojectDownload(ArcIMSServerUri serverUri, int index, GeographicBoundingBox sourceBounds, ArcIMSFeatureCoordSys sourceCoordSys, String serviceName)
: base(serverUri, index)
{
this.sourceBounds = sourceBounds;
this.sourceCoordSys = sourceCoordSys;
this.serviceName = serviceName;
}
internal ArcIMSQuadLayerBuilder(ArcIMSServerUri oServerUri, String strServiceName, String szLayerTitle, String szLayerID, GeographicBoundingBox oEnvelope, ArcIMSFeatureCoordSys oProjection, WorldWindow oWorldWindow, IBuilder oParent, double dMinScale, double dMaxScale, CultureInfo oInfo)
: base(szLayerTitle, oWorldWindow, oParent)
{
m_oServerUri = oServerUri;
m_oCultureInfo = oInfo;
m_oUnprojectedEnvelope = oEnvelope;
m_oProjection = oProjection;
m_szLayerID = szLayerID;
m_szServiceName = strServiceName;
m_dMinScale = dMinScale;
if (m_dMinScale < DefaultMinScale)
m_dMinScale = DefaultMinScale;
m_dMaxScale = dMaxScale;
if (m_dMaxScale > DefaultMaxScale)
m_dMaxScale = DefaultMaxScale;
if (m_dMaxScale < m_dMinScale)
{
// --- Weird scale values, ignore them and hope for the best ---
m_dMaxScale = DefaultMaxScale;
m_dMinScale = DefaultMinScale;
}
CalculateLevels();
}
protected override ModelNode[] Load()
{
NumberStyles parseStyle =
NumberStyles.AllowDecimalPoint |
NumberStyles.AllowLeadingSign |
NumberStyles.AllowLeadingWhite |
NumberStyles.AllowTrailingWhite;
String strServiceFilename = CapabilitiesFilename;
ArcIMSServiceDownload oServiceDownload = new ArcIMSServiceDownload((Parent as ServerModelNode).Uri as ArcIMSServerUri, m_strServiceName, 0);
oServiceDownload.DownloadFile(strServiceFilename);
// --- Parse the XML document downloaded ---
XmlDocument oServiceXML = new XmlDocument();
try
{
oServiceXML.Load(strServiceFilename);
}
catch (XmlException)
{
throw new InvalidDataException("Server's response is not valid XML");
}
XmlElement oFeatureCoordSys = oServiceXML.SelectSingleNode("/ARCXML/RESPONSE/SERVICEINFO/PROPERTIES/FEATURECOORDSYS") as XmlElement;
if (oFeatureCoordSys != null)
{
m_oCoordinateSystem = new ArcIMSFeatureCoordSys(m_oCultureInfo, oFeatureCoordSys);
}
else
{
m_oCoordinateSystem = new ArcIMSFeatureCoordSys(m_oCultureInfo);
}
GeographicBoundingBox oServiceBounds = null;
XmlElement oServiceEnvelope = oServiceXML.SelectSingleNode("/ARCXML/RESPONSE/SERVICEINFO/PROPERTIES/ENVELOPE") as XmlElement;
if (oServiceEnvelope != null)
{
GeographicBoundingBox oRealServiceBounds = new GeographicBoundingBox();
bool blValid = true;
blValid &= Double.TryParse(oServiceEnvelope.GetAttribute("minx"), parseStyle, m_oCultureInfo, out oRealServiceBounds.West);
blValid &= Double.TryParse(oServiceEnvelope.GetAttribute("miny"), parseStyle, m_oCultureInfo, out oRealServiceBounds.South);
blValid &= Double.TryParse(oServiceEnvelope.GetAttribute("maxx"), parseStyle, m_oCultureInfo, out oRealServiceBounds.East);
blValid &= Double.TryParse(oServiceEnvelope.GetAttribute("maxy"), parseStyle, m_oCultureInfo, out oRealServiceBounds.North);
if (blValid)
oServiceBounds = oRealServiceBounds;
}
List<ModelNode> result = new List<ModelNode>();
XmlNodeList oNodeList = oServiceXML.SelectNodes("/ARCXML/RESPONSE/SERVICEINFO/LAYERINFO");
foreach (XmlElement nLayerElement in oNodeList)
{
String szID = nLayerElement.GetAttribute("id");
String szTitle = nLayerElement.GetAttribute("name");
if (String.IsNullOrEmpty(szTitle)) szTitle = "LayerID " + szID;
String szMinScale = nLayerElement.GetAttribute("minscale");
double dMinScale = ArcIMSQuadLayerBuilder.DefaultMinScale;
if (!String.IsNullOrEmpty(szMinScale))
{
Double.TryParse(szMinScale, NumberStyles.Any, CultureInfo.InvariantCulture, out dMinScale);
}
String szMaxScale = nLayerElement.GetAttribute("maxscale");
double dMaxScale = ArcIMSQuadLayerBuilder.DefaultMaxScale;
if (!String.IsNullOrEmpty(szMaxScale))
{
Double.TryParse(szMaxScale, NumberStyles.Any, CultureInfo.InvariantCulture, out dMaxScale);
}
if (dMaxScale < dMinScale || dMinScale > 1.0)
{
// --- If the server sends back weird values, ignore them ---
dMaxScale = ArcIMSQuadLayerBuilder.DefaultMaxScale;
dMinScale = ArcIMSQuadLayerBuilder.DefaultMinScale;
}
GeographicBoundingBox oLayerBounds = (oServiceBounds != null ? oServiceBounds.Clone() as GeographicBoundingBox : null);
XmlElement oLayerEnvelope = null;
if (nLayerElement.GetAttribute("type").Equals("image"))
oLayerEnvelope = nLayerElement.SelectSingleNode("ENVELOPE") as XmlElement;
if (nLayerElement.GetAttribute("type").Equals("featureclass"))
oLayerEnvelope = nLayerElement.SelectSingleNode("FCLASS/ENVELOPE") as XmlElement;
if (oLayerEnvelope != null)
{
GeographicBoundingBox oRealLayerBounds = new GeographicBoundingBox();
bool blValid = true;
blValid &= Double.TryParse(oLayerEnvelope.GetAttribute("minx"), parseStyle, m_oCultureInfo, out oRealLayerBounds.West);
blValid &= Double.TryParse(oLayerEnvelope.GetAttribute("miny"), parseStyle, m_oCultureInfo, out oRealLayerBounds.South);
blValid &= Double.TryParse(oLayerEnvelope.GetAttribute("maxx"), parseStyle, m_oCultureInfo, out oRealLayerBounds.East);
blValid &= Double.TryParse(oLayerEnvelope.GetAttribute("maxy"), parseStyle, m_oCultureInfo, out oRealLayerBounds.North);
if (blValid)
oLayerBounds = oRealLayerBounds;
}
result.Add(new ArcIMSLayerModelNode(m_oModel, szTitle, szID, oLayerBounds, dMinScale, dMaxScale, m_oCultureInfo));
}
result.Sort();
return result.ToArray();
}
