public void ParseGetFeaturesTest()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "SharpMap.Pcl.Tests.SampleData.getfeatures_sample.xml";
string gml;
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (var reader = new StreamReader(stream))
{
gml = reader.ReadToEnd();
}
var provider = new SharpMap.GmlUtils.GmlProvider(gml);
var geometries = provider.Shapes;
Assert.AreEqual(87, geometries.Count);
}
/// <summary>
/// Returns a list of shapes contained in the passed GML string
/// </summary>
/// <param name="gml">GML string</param>
/// <param name="layer">Layer where to load features</param>
/// <param name="extent">extent of the shapes</param>
/// <returns>List of shapes</returns>
public static GisShapeCollection GetShapes(string gml, LayerVector layer, out Extent extent)
{
var res = new GisShapeCollection();
res.Name = layer.Name;
var slayer = new List<string>();
foreach (LayerField t in layer.Fields)
{
slayer.Add(t.Name);
}
var provider = new SharpMap.GmlUtils.GmlProvider(gml, slayer);
if (provider.Shapes == null)
{
extent = new Extent(provider.Extent.MinX,provider.Extent.MinY,provider.Extent.MaxX,provider.Extent.MaxY);
return res;
}
for (int i = 0; i < provider.Shapes.Count; i++)
{
var shpOrig = provider.Shapes[i];
GisShapeBase shpDest = layer.CreateShape();
if (shpDest is GisShapePoint)
{
(shpDest as GisShapePoint).Point.X = (shpOrig.Geometry as Point).X;
(shpDest as GisShapePoint).Point.Y = (shpOrig.Geometry as Point).Y;
}
else if (shpDest is GisShapeArc)
{
for (int j=0; j<(shpOrig.Geometry as LineString).Coordinates.Length; j++)
{
var p = new GisPoint();
p.X = (shpOrig.Geometry as LineString).Coordinates[j].X;
p.Y = (shpOrig.Geometry as LineString).Coordinates[j].Y;
(shpDest as GisShapeArc).Points.Add(p);
}
}
else if (shpDest is GisShapeMultiPoint)
{
for (int j = 0; j < (shpOrig.Geometry as MultiPoint).Geometries.Length; j++)
{
var p = new GisPoint();
p.X = ((shpOrig.Geometry as MultiPoint).Geometries[j] as IPoint).X;
p.Y = ((shpOrig.Geometry as MultiPoint).Geometries[j] as IPoint).Y;
(shpDest as GisShapeMultiPoint).Points.Add(p);
}
}
else if (shpDest is GisShapePolygon)
{
for (int j = 0; j < (shpOrig.Geometry as Polygon).ExteriorRing.Coordinates.Length; j++)
{
var p = new GisPoint();
p.X = (shpOrig.Geometry as Polygon).ExteriorRing.Coordinates[j].X;
p.Y = (shpOrig.Geometry as Polygon).ExteriorRing.Coordinates[j].Y;
(shpDest as GisShapePolygon).Points.Add(p);
}
}
shpDest.UID = shpOrig.UID;
shpDest.IsSelected = shpOrig.IsSelected;
IEnumerable<string> keys = shpOrig.Keys;
foreach(string key in keys)
{
shpDest[key] = shpOrig[key];
}
if (shpDest != null)
res.Add(shpDest);
}
if (provider.Extent != null)
extent = new Extent(provider.Extent.MinX, provider.Extent.MinY, provider.Extent.MaxX, provider.Extent.MaxY);
else
extent = new Extent();
return res;
}
/// <summary>
/// Returns a list of features contained in the passed GML string
/// </summary>
/// <param name="gml">GML string</param>
/// <param name="extent">extent of the shapes</param>
/// <returns>List of features</returns>
/// <remarks>Because the layer is not passed, all fields are treated as strings</remarks>
public static GisShapeCollection GetShapes(string gml, out Extent extent)
{
var res = new GisShapeCollection();
res.Name = "";
var provider = new SharpMap.GmlUtils.GmlProvider(gml);
if (provider.Shapes == null)
{
extent = new Extent(provider.Extent.MinX, provider.Extent.MinY, provider.Extent.MaxX, provider.Extent.MaxY);
return res;
}
for (int i = 0; i < provider.Shapes.Count; i++)
{
var shpOrig = provider.Shapes[i];
GisShapeBase shpDest = null;
if (shpOrig.Geometry is IPoint)
{
shpDest = CreateShape(GisShapeType.GisShapeTypePoint);
(shpDest as GisShapePoint).Point.X = (shpOrig.Geometry as Point).X;
(shpDest as GisShapePoint).Point.Y = (shpOrig.Geometry as Point).Y;
}
else if (shpOrig.Geometry is ILineString)
{
shpDest = CreateShape(GisShapeType.GisShapeTypeArc);
for (int j = 0; j < (shpOrig.Geometry as LineString).Coordinates.Length; j++)
{
var p = new GisPoint();
p.X = (shpOrig.Geometry as LineString).Coordinates[j].X;
p.Y = (shpOrig.Geometry as LineString).Coordinates[j].Y;
(shpDest as GisShapeArc).Points.Add(p);
}
}
else if (shpOrig.Geometry is IMultiPoint)
{
shpDest = CreateShape(GisShapeType.GisShapeTypeMultiPoint);
for (int j = 0; j < (shpOrig.Geometry as MultiPoint).Geometries.Length; j++)
{
var p = new GisPoint();
p.X = ((shpOrig.Geometry as MultiPoint).Geometries[j] as IPoint).X;
p.Y = ((shpOrig.Geometry as MultiPoint).Geometries[j] as IPoint).Y;
(shpDest as GisShapeMultiPoint).Points.Add(p);
}
}
else if (shpOrig.Geometry is IPolygon)
{
shpDest = CreateShape(GisShapeType.GisShapeTypePolygon);
for (int j = 0; j < (shpOrig.Geometry as Polygon).ExteriorRing.Coordinates.Length; j++)
{
var p = new GisPoint();
p.X = (shpOrig.Geometry as Polygon).ExteriorRing.Coordinates[j].X;
p.Y = (shpOrig.Geometry as Polygon).ExteriorRing.Coordinates[j].Y;
(shpDest as GisShapePolygon).Points.Add(p);
}
}
shpDest.UID = shpOrig.UID;
shpDest.IsSelected = shpOrig.IsSelected;
var keys = shpOrig.Keys;
shpDest.PopulateTypes(keys);
foreach (string key in keys)
{
shpDest[key] = shpOrig[key];
}
if (shpDest != null)
res.Add(shpDest);
}
if (provider.Extent != null)
extent = new Extent(provider.Extent.MinX, provider.Extent.MinY, provider.Extent.MaxX, provider.Extent.MaxY);
else
extent = new Extent();
return res;
}
