#region Disclaimer / License
// Copyright (C) 2010, Jackie Ng
// http://trac.osgeo.org/mapguide/wiki/maestro, jumpinjackie@gmail.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
#pragma warning disable 1591, 0114, 0108, 0114, 0108
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml.Serialization;
using OSGeo.MapGuide.MaestroAPI.Schema;
using System.Globalization;
using OSGeo.MapGuide.MaestroAPI;
namespace OSGeo.MapGuide.ObjectModels.Common
{
/// <summary>
/// Represents a Spatial Context of a Feature Source
/// </summary>
public interface IFdoSpatialContext : IFdoSerializable
{
/// <summary>
/// Gets or sets the name of the coordinate system.
/// </summary>
/// <value>
/// The name of the coordinate system.
/// </value>
string CoordinateSystemName { get; set; }
/// <summary>
/// Gets or sets the coordinate system WKT.
/// </summary>
/// <value>
/// The coordinate system WKT.
/// </value>
string CoordinateSystemWkt { get; set; }
/// <summary>
/// Gets or sets the description.
/// </summary>
/// <value>
/// The description.
/// </value>
string Description { get; set; }
/// <summary>
/// Gets or sets the extent.
/// </summary>
/// <value>
/// The extent.
/// </value>
IEnvelope Extent { get; set; }
/// <summary>
/// Gets or sets the type of the extent.
/// </summary>
/// <value>
/// The type of the extent.
/// </value>
FdoSpatialContextListSpatialContextExtentType ExtentType { get; set; }
/// <summary>
/// Gets or sets the name.
/// </summary>
/// <value>
/// The name.
/// </value>
string Name { get; set; }
/// <summary>
/// Gets or sets the XY tolerance.
/// </summary>
/// <value>
/// The XY tolerance.
/// </value>
double XYTolerance { get; set; }
/// <summary>
/// Gets or sets the Z tolerance.
/// </summary>
/// <value>
/// The Z tolerance.
/// </value>
double ZTolerance { get; set; }
}
partial class FdoSpatialContextListSpatialContext : IFdoSpatialContext
{
[XmlIgnore]
IEnvelope IFdoSpatialContext.Extent
{
get
{
double llx;
double lly;
double urx;
double ury;
if (double.TryParse(this.Extent.LowerLeftCoordinate.X, out llx) &&
double.TryParse(this.Extent.LowerLeftCoordinate.Y, out lly) &&
double.TryParse(this.Extent.UpperRightCoordinate.X, out urx) &&
double.TryParse(this.Extent.UpperRightCoordinate.Y, out ury))
return ObjectFactory.CreateEnvelope(llx, lly, urx, ury);
return null;
}
set
{
if (value == null)
{
this.Extent = null;
return;
}
this.Extent = new FdoSpatialContextListSpatialContextExtent()
{
LowerLeftCoordinate = new FdoSpatialContextListSpatialContextExtentLowerLeftCoordinate()
{
X = value.MinX.ToString(CultureInfo.InvariantCulture),
Y = value.MinY.ToString(CultureInfo.InvariantCulture)
},
UpperRightCoordinate = new FdoSpatialContextListSpatialContextExtentUpperRightCoordinate()
{
X = value.MaxX.ToString(CultureInfo.InvariantCulture),
Y = value.MaxY.ToString(CultureInfo.InvariantCulture)
}
};
}
}
public void WriteXml(System.Xml.XmlDocument doc, System.Xml.XmlNode currentNode)
{
//Can't write dynamic extents
if (this.ExtentType == FdoSpatialContextListSpatialContextExtentType.Dynamic)
return;
var crs = doc.CreateElement("gml", "DerivedCRS", XmlNamespaces.GML);
{
crs.SetAttribute("id", XmlNamespaces.GML, this.Name);
var meta = doc.CreateElement("gml", "metaDataProperty", XmlNamespaces.GML);
crs.AppendChild(meta);
{
var genMeta = doc.CreateElement("gml", "GenericMetaData", XmlNamespaces.GML);
meta.AppendChild(genMeta);
{
var fdoXY = doc.CreateElement("fdo", "XYTolerance", XmlNamespaces.FDO);
var fdoZ = doc.CreateElement("fdo", "ZTolerance", XmlNamespaces.FDO);
fdoXY.InnerText = this.XYTolerance.ToString(CultureInfo.InvariantCulture);
fdoZ.InnerText = this.ZTolerance.ToString(CultureInfo.InvariantCulture);
genMeta.AppendChild(fdoXY);
genMeta.AppendChild(fdoZ);
}
}
var remarks = doc.CreateElement("gml", "remarks", XmlNamespaces.GML);
remarks.InnerText = this.Description;
crs.AppendChild(remarks);
var csName = doc.CreateElement("gml", "srsName", XmlNamespaces.GML);
csName.InnerText = string.IsNullOrEmpty(this.CoordinateSystemName) ? this.Name : this.CoordinateSystemName;
crs.AppendChild(csName);
var ext = doc.CreateElement("gml", "validArea", XmlNamespaces.GML);
{
var bbox = doc.CreateElement("gml", "boundingBox", XmlNamespaces.GML);
{
var ll = doc.CreateElement("gml", "pos", XmlNamespaces.GML);
var ur = doc.CreateElement("gml", "pos", XmlNamespaces.GML);
ll.InnerText = this.Extent.LowerLeftCoordinate.X + " " + this.Extent.LowerLeftCoordinate.Y;
ur.InnerText = this.Extent.UpperRightCoordinate.X + " " + this.Extent.UpperRightCoordinate.Y;
bbox.AppendChild(ll);
bbox.AppendChild(ur);
}
ext.AppendChild(bbox);
}
crs.AppendChild(ext);
var baseCrs = doc.CreateElement("gml", "baseCRS", XmlNamespaces.GML);
var definedBy = doc.CreateElement("gml", "definedByConversion", XmlNamespaces.GML);
var derivedCrs = doc.CreateElement("gml", "derivedCRSType", XmlNamespaces.GML);
var userCs = doc.CreateElement("gml", "usesCS", XmlNamespaces.GML);
if (string.IsNullOrEmpty(this.CoordinateSystemWkt))
{
baseCrs.SetAttribute("href", XmlNamespaces.XLINK, "http://fdo.osgeo.org/schemas/feature/crs/#" + (string.IsNullOrEmpty(this.CoordinateSystemName) ? this.Name : this.CoordinateSystemName));
}
else
{
var wktCRS = doc.CreateElement("fdo", "WKTCRS", XmlNamespaces.FDO);
wktCRS.SetAttribute("id", XmlNamespaces.GML, this.Name);
{
var srsName = doc.CreateElement("gml", "srsName", XmlNamespaces.GML);
srsName.InnerText = this.nameField;
var fdowkt = doc.CreateElement("fdo", "WKT", XmlNamespaces.FDO);
fdowkt.InnerText = this.CoordinateSystemWkt;
wktCRS.AppendChild(srsName);
wktCRS.AppendChild(fdowkt);
}
baseCrs.AppendChild(wktCRS);
}
definedBy.SetAttribute("href", XmlNamespaces.XLINK, "http://fdo.osgeo.org/coord_conversions#identity");
derivedCrs.SetAttribute("codeSpace", "http://fdo.osgeo.org/crs_types");
derivedCrs.InnerText = "geographic";
userCs.SetAttribute("href", XmlNamespaces.XLINK, "http://fdo.osgeo.org/cs#default_cartesian");
crs.AppendChild(baseCrs);
crs.AppendChild(definedBy);
crs.AppendChild(derivedCrs);
crs.AppendChild(userCs);
}
currentNode.AppendChild(crs);
}
public void ReadXml(System.Xml.XmlNode node, System.Xml.XmlNamespaceManager mgr)
{
if (!node.Name.Equals("gml:DerivedCRS"))
throw new Exception("Bad document. Expected element gml:DerivedCRS"); //LOCALIZEME
//Start off as dynamic, until we find a bounding box. Then we set it to static
this.ExtentType = FdoSpatialContextListSpatialContextExtentType.Dynamic;
var meta = node["gml:metaDataProperty"];
if (meta != null)
{
var genMeta = meta["gml:GenericMetaData"];
var scType = Utility.GetFdoElement(genMeta, "SCExtentType");
var xyTol = Utility.GetFdoElement(genMeta, "XYTolerance");
var zTol = Utility.GetFdoElement(genMeta, "ZTolerance");
//this.ExtentType = (scType == null || scType.InnerText == "dynamic") ? FdoSpatialContextListSpatialContextExtentType.Dynamic : FdoSpatialContextListSpatialContextExtentType.Static;
double xy_tol;
double z_tol;
if (double.TryParse(xyTol.InnerText, out xy_tol))
this.XYTolerance = xy_tol;
if (double.TryParse(zTol.InnerText, out z_tol))
this.ZTolerance = z_tol;
}
else
{
this.XYTolerance = 0.0001;
this.ZTolerance = 0.0001;
}
var remarks = node["gml:remarks"];
var srsName = node["gml:srsName"];
var ext = node["gml:validArea"];
var baseCrs = node["gml:baseCRS"];
this.Name = srsName.InnerText;
this.Description = (remarks != null) ? remarks.InnerText : string.Empty;
var bbox = ext["gml:boundingBox"];
if (bbox != null)
{
var ll = bbox.FirstChild;
var ur = bbox.LastChild;
var llt = ll.InnerText.Split(' ');
var urt = ur.InnerText.Split(' ');
if (llt.Length != 2 || urt.Length != 2)
throw new Exception("Bad document. Invalid bounding box"); //LOCALIZEME
this.Extent = new FdoSpatialContextListSpatialContextExtent()
{
LowerLeftCoordinate = new FdoSpatialContextListSpatialContextExtentLowerLeftCoordinate()
{
X = llt[0],
Y = llt[1]
},
UpperRightCoordinate = new FdoSpatialContextListSpatialContextExtentUpperRightCoordinate()
{
X = urt[0],
Y = urt[1]
}
};
this.ExtentType = FdoSpatialContextListSpatialContextExtentType.Static;
}
if (baseCrs.HasAttribute("xlink:href"))
{
var href = baseCrs.GetAttribute("xlink:href");
this.CoordinateSystemName = href.Substring(href.LastIndexOf("#") + 1);
}
var wktCrs = Utility.GetFdoElement(baseCrs, "WKTCRS");
if (wktCrs != null)
{
var wkt = Utility.GetFdoElement(wktCrs, "WKT");
if (wkt != null)
{
this.CoordinateSystemWkt = wkt.InnerText;
}
}
}
}
}