/// <summary>
/// Returns the features that intersects with 'geom'
/// </summary>
/// <param name="geom">Geometry</param>
/// <returns>FeatureDataTable</returns>
public FeatureDataTable ExecuteIntersectionQuery(Geometry geom)
{
FeatureDataSet fds = new FeatureDataSet();
ExecuteIntersectionQuery(geom, fds);
return(fds.Tables[0]);
}
/// <summary>
/// Returns the data associated with all the geometries that are intersected by 'geom'
/// </summary>
/// <param name="geom">Geometry to intersect with</param>
/// <param name="ds">FeatureDataSet to fill data into</param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
OgrGeometry ogrGeometry = OgrGeometry.CreateFromWkb(GeometryToWKB.Write(geom));
_ogrLayer.SetSpatialFilter(ogrGeometry);
ExecuteIntersectionQuery(ds);
}
public void EndGeometry()
{
GeometryType type = _CurrentType.Peek();
switch (type)
{
case GeometryType.Polygon:
if (_Figures.Count > 0)
{
var g = new SmGeometries.Polygon(
(SmGeometries.LinearRing)_Figures[0],
_Figures.Skip(1).Cast <SmGeometries.LinearRing>().ToList <SmGeometries.LinearRing>()
);
_Figures = new SmGeometries.Geometry[] { g };
}
else
{
_Figures = new SmGeometries.Geometry[] { new SmGeometries.Polygon() }
};
break;
}
_CurrentType.Pop();
if (_CurrentType.Count == 0)
{
_Figures[0].SpatialReference = CoordinateSystemUtils.Convert(_SpatialReference);
}
}
public static ImageMapFeatureElement CreateImageMapElement(SharpMap.Geometries.Geometry geom, SharpMap.Map map, ImageMapStyle mapStyle)
{
if (!mapStyle.Enabled)
{
return(null);
}
if (geom as Polygon != null &&
mapStyle.Polygon.Enabled &&
map.Zoom > mapStyle.Polygon.MinVisible &&
map.Zoom < mapStyle.Polygon.MaxVisible)
{
return(new ImageMapPolygon(geom, map));
}
else if (geom as LineString != null &&
mapStyle.Line.Enabled &&
map.Zoom > mapStyle.Line.MinVisible &&
map.Zoom < mapStyle.Line.MaxVisible)
{
return(new ImageMapLine(geom, map, mapStyle));
}
else if (geom as SharpMap.Geometries.Point != null &&
mapStyle.Point.Enabled &&
map.Zoom > mapStyle.Point.MinVisible &&
map.Zoom < mapStyle.Point.MaxVisible)
{
return(new ImageMapPoint(geom, map, mapStyle));
}
return(null);
}
/// <summary>
/// Converts an SharpMap Geometry to a FDO geometry
/// </summary>
/// <param name="geom">The SharpMap geometry</param>
/// <returns></returns>
public static FdoGeometry ToFdoGeometry(Sm.Geometry geom)
{
//Get the WKB form of the geometry
byte[] wkb = GeometryToWKB.Write(geom);
Fdo.IGeometry fg = FdoGeometryFactory.Instance.CreateGeometryFromWkb(wkb);
return(new FdoGeometry(fg));
}
/// <summary>
/// Returns geometries within the specified bounding box
/// </summary>
/// <param name="bbox"></param>
/// <returns></returns>
public Collection <Geometry> GetGeometriesInView(BoundingBox bbox)
{
Collection <Geometry> geoms = new Collection <Geometry>();
_ogrLayer.SetSpatialFilterRect(bbox.Left, bbox.Bottom, bbox.Right, bbox.Top);
_ogrLayer.ResetReading();
try
{
OgrFeature ogrFeature;
while ((ogrFeature = _ogrLayer.GetNextFeature()) != null)
{
Geometry geom = ParseOgrGeometry(ogrFeature.GetGeometryRef());
if (geom != null)
{
geoms.Add(geom);
}
ogrFeature.Dispose();
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return(geoms);
}
public ImageMapLine(SharpMap.Geometries.Geometry geom, SharpMap.Map map, ImageMapStyle mapStyle)
: base(geom, map)
{
PointF[] transLine = (geom as LineString).TransformToImage(map);
map.MapTransform.TransformPoints(transLine);
List <PointF> tempPoly = new List <PointF>();
for (int i = 0; i < transLine.Length; i++)
{
PointF p = transLine[i];
tempPoly.Add(new System.Drawing.PointF((p.X - mapStyle.Line.BufferWidth), (p.Y + mapStyle.Line.BufferWidth)));
tempPoly.Add(new System.Drawing.PointF((p.X + mapStyle.Line.BufferWidth), (p.Y + mapStyle.Line.BufferWidth)));
}
for (int i = transLine.Length - 1; i > -1; i--)
{
PointF p = transLine[i];
tempPoly.Add(new System.Drawing.PointF((p.X - mapStyle.Line.BufferWidth), (p.Y - mapStyle.Line.BufferWidth)));
tempPoly.Add(new System.Drawing.PointF((p.X + mapStyle.Line.BufferWidth), (p.Y - mapStyle.Line.BufferWidth)));
}
if (!tempPoly[0].Equals(tempPoly[tempPoly.Count - 1]))
{
tempPoly.Add(tempPoly[0]);
}
PointF[] tp = tempPoly.ToArray();
tp = ImageMapUtilities.ClipPolygon(tp, map.Size.Width, map.Size.Height);
foreach (PointF pf in tp)
{
coords.Add(pf);
}
}
public void EndFigure()
{
GeometryType type=_CurrentType.Peek();
switch (type)
{
case GeometryType.GeometryCollection:
{
var g=new SmGeometries.GeometryCollection();
g.Collection=_Figures;
_Figures=new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.LineString:
_Figures.Add(new SmGeometries.LineString(_CurrentPoints));
break;
case GeometryType.MultiLineString:
{
var g=new SmGeometries.MultiLineString();
g.LineStrings=_Figures.Cast<SmGeometries.LineString>().ToList<SmGeometries.LineString>();
_Figures=new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.MultiPoint:
{
var g=new SmGeometries.MultiPoint();
g.Points=_Figures.Cast<SmGeometries.Point>().ToList<SmGeometries.Point>();
_Figures=new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.MultiPolygon:
{
var g=new SmGeometries.MultiPolygon();
g.Polygons=_Figures.Cast<SmGeometries.Polygon>().ToList<SmGeometries.Polygon>();
_Figures=new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.Point:
if (_CurrentPoints.Count>0)
_Figures.Add(_CurrentPoints[0]);
else
_Figures.Add(new SmGeometries.Point());
break;
case GeometryType.Polygon:
_Figures.Add(new SmGeometries.LinearRing(_CurrentPoints));
break;
default:
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
type
)
);
}
_CurrentPoints.Clear();
}
public void ExecuteIntersectionQuery(SharpMap.Geometries.Geometry geom, FeatureDataSet ds)
{
if (_LabelInfo == null)
{
return;
}
ds.Tables.Add(_LabelInfo);
// Destroy internal reference
_LabelInfo = null;
}
/// <summary>Creates a new instance of the <see cref="SharpGeometry" /> class.</summary>
/// <param name="geometry">The <see cref="SmGeometries.Geometry" /> to encapsulate.
/// Its spatial reference must be initialized. </param>
/// <exception cref="ArgumentNullException">
/// <para>The <paramref name="geometry" /> is <c>null</c>.</para>
/// </exception>
/// <exception cref="ArgumentException">
/// <para>The spatial reference of the specified <paramref name="geometry" /> was
/// not initialized.</para>
/// </exception>
public SharpGeometry(SmGeometries.Geometry geometry)
{
Debug.Assert(geometry != null);
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
Debug.Assert(geometry.SpatialReference != null);
if (geometry.SpatialReference == null)
{
throw new ArgumentException(SR.SharpMapSpatialReferenceMustBeInitializedException, "geometry");
}
_Geometry = geometry;
}
/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="ds"></param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
GeoAPI.Geometries.IGeometry geometry = GeometryConverter.ToNTSGeometry(geom, _geometryFactory);
FeatureDataTable dataTable = CreateFeatureDataTable();
foreach (Feature feature in _features)
{
if (feature.Geometry.Intersects(geometry))
{
CreateNewRow(dataTable, feature);
}
}
ds.Tables.Add(dataTable);
}
/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="ds"></param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry geometry = GeometryConverter.ToNTSGeometry(geom,
geometryFactory);
FeatureDataTable dataTable = CreateFeatureDataTable();
foreach (Feature feature in features)
{
if (feature.Geometry.Intersects(geometry))
{
CreateNewRow(dataTable, feature);
}
}
ds.Tables.Add(dataTable);
}
public ImageMapPolygon(SharpMap.Geometries.Geometry geom, SharpMap.Map map)
: base(geom, map)
{
PointF[] transRing = (geom as Polygon).ExteriorRing.TransformToImage(map);
map.MapTransform.TransformPoints(transRing);
for (int i = 0; i < transRing.Length; i++)
{
coords.Add(transRing[i]);
}
if (coords.Count > 0 && !coords[0].Equals(coords[coords.Count - 1]))
{
coords.Add(coords[0]);
}
}
private static Geometry ParseOgrGeometry(OgrGeometry ogrGeometry)
{
if (ogrGeometry != null)
{
//Just in case it isn't 2D
ogrGeometry.FlattenTo2D();
byte[] wkbBuffer = new byte[ogrGeometry.WkbSize()];
ogrGeometry.ExportToWkb(wkbBuffer);
Geometry geom = GeometryFromWKB.Parse(wkbBuffer);
if (geom == null)
{
Debug.WriteLine(string.Format("Failed to parse '{0}'", ogrGeometry.GetGeometryType()));
}
return(geom);
}
return(null);
}
private static void _PopulateSimpleType(IGeometrySink sink, SmGeometries.Geometry geometry)
{
sink.BeginGeometry(GeometryTypeUtils.Convert(geometry.GeometryType));
switch (geometry.GeometryType)
{
case SmGeometries.GeometryType2.LineString:
CreateFigure(sink, ((SmGeometries.LineString)geometry).Vertices);
break;
case SmGeometries.GeometryType2.Point:
CreateFigure(sink, new SmGeometries.Point[] { (SmGeometries.Point)geometry });
break;
case SmGeometries.GeometryType2.Polygon:
{
var pol = (SmGeometries.Polygon)geometry;
CreateFigure(sink, pol.ExteriorRing.Vertices);
if (pol.InteriorRings != null)
{
foreach (SmGeometries.LinearRing lr in pol.InteriorRings)
{
CreateFigure(sink, lr.Vertices);
}
}
}
break;
default:
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
geometry.GeometryType
)
);
}
sink.EndGeometry();
}
/// <summary>
/// Returns true if this <see cref="BoundingBox"/> intersects the geometry
/// </summary>
/// <param name="g">Geometry</param>
/// <returns>True if intersects</returns>
public bool Intersects(Geometry g)
{
return Touches(g);
}
public void EndFigure()
{
GeometryType type = _CurrentType.Peek();
switch (type)
{
case GeometryType.GeometryCollection:
{
var g = new SmGeometries.GeometryCollection();
g.Collection = _Figures;
_Figures = new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.LineString:
_Figures.Add(new SmGeometries.LineString(_CurrentPoints));
break;
case GeometryType.MultiLineString:
{
var g = new SmGeometries.MultiLineString();
g.LineStrings = _Figures.Cast <SmGeometries.LineString>().ToList <SmGeometries.LineString>();
_Figures = new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.MultiPoint:
{
var g = new SmGeometries.MultiPoint();
g.Points = _Figures.Cast <SmGeometries.Point>().ToList <SmGeometries.Point>();
_Figures = new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.MultiPolygon:
{
var g = new SmGeometries.MultiPolygon();
g.Polygons = _Figures.Cast <SmGeometries.Polygon>().ToList <SmGeometries.Polygon>();
_Figures = new SmGeometries.Geometry[] { g };
}
break;
case GeometryType.Point:
if (_CurrentPoints.Count > 0)
{
_Figures.Add(_CurrentPoints[0]);
}
else
{
_Figures.Add(new SmGeometries.Point());
}
break;
case GeometryType.Polygon:
_Figures.Add(new SmGeometries.LinearRing(_CurrentPoints));
break;
default:
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
type
)
);
}
_CurrentPoints.Clear();
}
/// <summary>
/// Returns true if this <see cref="BoundingBox"/> touches the geometry
/// </summary>
/// <param name="s">Geometry</param>
/// <returns>True if touches</returns>
public bool Touches(Geometry s)
{
if (s is Point) return Touches(s as Point);
throw new NotImplementedException("Touches: Not implemented on this geometry type");
}
public FeatureDataTable QueryFeatures(Geometry geom, double distance)
{
throw new NotSupportedException();
}
/// <summary>
/// Returns the features that intersects with 'geom'
/// </summary>
/// <param name="geom">Geometry</param>
/// <returns>FeatureDataTable</returns>
public FeatureDataTable ExecuteIntersectionQuery(Geometry geom)
{
FeatureDataSet fds = new FeatureDataSet();
ExecuteIntersectionQuery(geom, fds);
return fds.Tables[0];
}
/// <summary>
/// Returns the data associated with all the geometries that are intersected by 'geom'
/// </summary>
/// <param name="geom">Geometry to intersect with</param>
/// <param name="ds">FeatureDataSet to fill data into</param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
OgrGeometry ogrGeometry = OgrGeometry.CreateFromWkb(GeometryToWKB.Write(geom));
_ogrLayer.SetSpatialFilter(ogrGeometry);
ExecuteIntersectionQuery(ds);
}
public void RenderLayer(ILabelLayer layer, Map map, Graphics g)
{
if (layer.Style.Enabled &&
layer.Style.MaxVisible >= map.Zoom &&
layer.Style.MinVisible < map.Zoom)
{
if (layer.DataSource == null)
{
throw (new ApplicationException("DataSource property not set on layer '" + layer.LayerName + "'"));
}
g.TextRenderingHint = layer.TextRenderingHint;
g.SmoothingMode = layer.SmoothingMode;
SharpMap.Geometries.BoundingBox envelope = map.Envelope; //View to render
if (layer.CoordinateTransformation != null)
{
envelope = GeometryTransform.TransformBox(envelope, layer.CoordinateTransformation.MathTransform.Inverse());
}
FeatureDataSet ds = new FeatureDataSet();
layer.DataSource.Open();
layer.DataSource.ExecuteIntersectionQuery(envelope, ds);
layer.DataSource.Close();
if (ds.Tables.Count == 0)
{
//base.Render(g, map);
return;
}
FeatureDataTable features = (FeatureDataTable)ds.Tables[0];
//Initialize label collection
List <Label> labels = new List <Label>();
LabelLayer.GetLabelMethod lblDelegate = layer.LabelStringDelegate;
//List<System.Drawing.Rectangle> LabelBoxes; //Used for collision detection
//Render labels
for (int i = 0; i < features.Count; i++)
{
FeatureDataRow feature = features[i];
if (layer.CoordinateTransformation != null)
{
features[i].Geometry = GeometryTransform.TransformGeometry(features[i].Geometry, layer.CoordinateTransformation.MathTransform);
}
ILabelStyle style = null;
if (layer.Theme != null) //If thematics is enabled, lets override the style
{
style = layer.Theme.GetStyle(feature);
}
else
{
style = layer.Style;
}
float rotation = 0;
if (!String.IsNullOrEmpty(layer.RotationColumn))
{
float.TryParse(feature[layer.RotationColumn].ToString(), NumberStyles.Any, Map.numberFormat_EnUS, out rotation);
}
string text;
if (lblDelegate != null)
{
text = lblDelegate(feature);
}
else
{
text = feature[layer.LabelColumn].ToString();
}
if (text != null && text != String.Empty)
{
if (feature.Geometry is GeometryCollection)
{
if (layer.MultipartGeometryBehaviour == SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.All)
{
foreach (SharpMap.Geometries.Geometry geom in (feature.Geometry as GeometryCollection))
{
SharpMap.Rendering.Label lbl = CreateLabel(layer, geom, text, rotation, style, map, g);
if (lbl != null)
{
labels.Add(lbl);
}
}
}
else if (layer.MultipartGeometryBehaviour == SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.CommonCenter)
{
Label lbl = CreateLabel(layer, feature.Geometry, text, rotation, style, map, g);
if (lbl != null)
{
labels.Add(lbl);
}
}
else if (layer.MultipartGeometryBehaviour == SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.First)
{
if ((feature.Geometry as GeometryCollection).Collection.Count > 0)
{
SharpMap.Rendering.Label lbl = CreateLabel(layer, (feature.Geometry as GeometryCollection).Collection[0], text, rotation, style, map, g);
if (lbl != null)
{
labels.Add(lbl);
}
}
}
else if (layer.MultipartGeometryBehaviour == SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.Largest)
{
GeometryCollection coll = (feature.Geometry as GeometryCollection);
if (coll.NumGeometries > 0)
{
double largestVal = 0;
int idxOfLargest = 0;
for (int j = 0; j < coll.NumGeometries; j++)
{
SharpMap.Geometries.Geometry geom = coll.Geometry(j);
if (geom is Geometries.LineString && ((Geometries.LineString)geom).Length > largestVal)
{
largestVal = ((Geometries.LineString)geom).Length;
idxOfLargest = j;
}
if (geom is Geometries.MultiLineString && ((Geometries.MultiLineString)geom).Length > largestVal)
{
largestVal = ((Geometries.LineString)geom).Length;
idxOfLargest = j;
}
if (geom is Geometries.Polygon && ((Geometries.Polygon)geom).Area > largestVal)
{
largestVal = ((Geometries.Polygon)geom).Area;
idxOfLargest = j;
}
if (geom is Geometries.MultiPolygon && ((Geometries.MultiPolygon)geom).Area > largestVal)
{
largestVal = ((Geometries.MultiPolygon)geom).Area;
idxOfLargest = j;
}
}
SharpMap.Rendering.Label lbl = CreateLabel(layer, coll.Geometry(idxOfLargest), text, rotation, style, map, g);
if (lbl != null)
{
labels.Add(lbl);
}
}
}
}
else
{
SharpMap.Rendering.Label lbl = CreateLabel(layer, feature.Geometry, text, rotation, style, map, g);
if (lbl != null)
{
labels.Add(lbl);
}
}
}
}
if (labels.Count > 0) //We have labels to render...
{
if (layer.Style.CollisionDetection && layer.LabelFilter != null)
{
layer.LabelFilter(labels);
}
for (int i = 0; i < labels.Count; i++)
{
VectorRenderer.DrawLabel(g, labels[i].LabelPoint, labels[i].Style.Offset, labels[i].Style.Font, labels[i].Style.ForeColor, labels[i].Style.BackColor, layer.Style.Halo, labels[i].Rotation, labels[i].Text, map);
}
}
labels = null;
}
//base.Render(g, map);
}
/// <summary>
/// Returns true if this instance contains the geometry
/// </summary>
/// <param name="s"><see cref="BoundingBox"/></param>
/// <returns>True it contains</returns>
public bool Contains(Geometry s)
{
if (s is Point) return Contains(s as Point);
throw new NotImplementedException("Contains: Not implemented on these geometries");
}
public void EndGeometry()
{
GeometryType type=_CurrentType.Peek();
switch (type)
{
case GeometryType.Polygon:
if (_Figures.Count>0)
{
var g=new SmGeometries.Polygon(
(SmGeometries.LinearRing)_Figures[0],
_Figures.Skip(1).Cast<SmGeometries.LinearRing>().ToList<SmGeometries.LinearRing>()
);
_Figures=new SmGeometries.Geometry[] { g };
} else
_Figures=new SmGeometries.Geometry[] { new SmGeometries.Polygon() };
break;
}
_CurrentType.Pop();
if (_CurrentType.Count==0)
_Figures[0].SpatialReference=CoordinateSystemUtils.Convert(_SpatialReference);
}
public IFeatureDataReader ExecuteIntersectionQuery(Geometry geom)
{
throw new NotImplementedException();
}
/// <summary>
/// Returns the data associated with all the geometries that are intersected by 'geom'
/// </summary>
/// <param name="geom">Geometry to intersect with</param>
/// <param name="ds">FeatureDataSet to fill data into</param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
throw new NotImplementedException();
}
/// <summary>
/// Returns a geometry that represents the point set symmetric difference of this Geometry with anotherGeometry.
/// </summary>
/// <param name="geom">Geometry to compare to</param>
/// <returns>Geometry</returns>
public override Geometry SymDifference(Geometry geom)
{
throw new NotImplementedException();
}
/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="ds"></param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
GeoAPI.Geometries.IGeometry geometry = GeometryConverter.ToNTSGeometry(geom, _geometryFactory);
FeatureDataTable dataTable = CreateFeatureDataTable();
foreach (Feature feature in _features)
if (feature.Geometry.Intersects(geometry))
CreateNewRow(dataTable, feature);
ds.Tables.Add(dataTable);
}
/// <summary>
/// Returns true if this instance contains 'geom'
/// </summary>
/// <param name="geom">Geometry</param>
/// <returns>True if geom is contained by this instance</returns>
public override bool Contains(Geometry geom)
{
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="ds"></param>
public void ExecuteIntersectionQuery(Geometry geom, FeatureDataSet ds)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry geometry = GeometryConverter.ToNTSGeometry(geom,
geometryFactory);
FeatureDataTable dataTable = CreateFeatureDataTable();
foreach (Feature feature in features)
if (feature.Geometry.Intersects(geometry))
CreateNewRow(dataTable, feature);
ds.Tables.Add(dataTable);
}
public FeatureDataTable QueryFeatures(Geometry geom, double distance)
{
throw new NotSupportedException();
}
/// <summary>
/// Returns a geometry that represents the point set union of this Geometry with anotherGeometry.
/// </summary>
/// <param name="geom">Geometry to union with</param>
/// <returns>Unioned geometry</returns>
public override Geometry Union(Geometry geom)
{
throw new NotImplementedException();
}
/// <summary>Converts the specified <paramref name="geometry" /> into a <see cref="SharpGeometry" />.</summary>
/// <param name="geometry">The geometry to convert.</param>
/// <returns>The converted geometry.</returns>
public static SharpGeometry ToSharpGeometry(SmGeometries.Geometry geometry)
{
return(new SharpGeometry(geometry));
}
