public void ChangeColor()
{
// Change color of elements in this layer
var color = Color.FromRgb(Convert.ToByte(_view.clrR.Value), Convert.ToByte(_view.clrG.Value), Convert.ToByte(_view.clrB.Value));
var settings = new ShapeLayerSettings();
settings.LineColor = color;
var fileInfo = new FileInfo(_fileName);
var settingsFile = fileInfo.Directory + "/" + fileInfo.Name + ".xml";
ShapeLayer.WriteSettings(settings, settingsFile);
var brush = new SolidColorBrush(color);
foreach (var grp in _layer.Graphics)
{
dynamic symbol = grp.Symbol;
if (symbol != null)
{
if (symbol.ToString().ToLower().Contains("simplelinesymbol"))
{
try
{
symbol.Color = brush;
}
catch (Exception)
{
}
}
if (symbol.ToString().ToLower().Contains("simplefillsymbol"))
{
try
{
symbol.Fill = brush;
}
catch (Exception)
{
}
}
/*try
{
symbol.Fill = brush;
}
catch (Exception)
{
}*/
}
}
}
public static void WriteSettings(ShapeLayerSettings settings, string fileName)
{
var xmlSer = new XmlSerializer(settings.GetType());
using (var sw = new StreamWriter(fileName))
{
xmlSer.Serialize(sw, settings);
}
}
private void DrawPolyline(IEnumerable<Point> points, GraphicsLayer gl, ShapeLayerSettings settings)
{
// Transform geometry in Polyline
//Dispatcher.Invoke(new System.Action(delegate
Execute.OnUIThread(() =>
{
var graphicsLayer = gl; // emMain.Layers["MyGraphicsLayer"] as GraphicsLayer;
var poly = new Polyline {SpatialReference = spRef};
var pointsE = new ESRI.ArcGIS.Client.Geometry.PointCollection();
foreach (var point in points)
{
pointsE.Add(new MapPoint(point.X, point.Y));
}
poly.Paths.Add(pointsE);
//poly.SpatialReference = _spRef;
var grpPoly = new Graphic
{
Symbol = new SimpleLineSymbol
{Color = new SolidColorBrush(settings.LineColor), Width = 2},
Geometry = poly
};
if (graphicsLayer != null) graphicsLayer.Graphics.Add(grpPoly);
});
}
public static ShapeLayerSettings GetSettings(string fileName)
{
var settings = new ShapeLayerSettings();
try
{
var xmlSer = new XmlSerializer(settings.GetType());
using (var sr = new StreamReader(fileName))
{
settings = (ShapeLayerSettings)xmlSer.Deserialize(sr);
}
}
catch (Exception)
{
}
return settings;
}
public void AddShapefile(string filePath, GroupLayer curGrLayer)
{
Execute.OnUIThread(() =>
{
var grLay = new ShapeGraphicsLayer(filePath);
//var grLay = new GraphicsLayer();
var fi = new FileInfo(filePath);
var settingsXml = fi.Directory + "/" + fi.Name + ".xml";
var settings = new ShapeLayerSettings();
if (File.Exists(settingsXml))
{
settings = GetSettings(settingsXml);
}
grLay.ID = fi.Name;
grLay.Visible = false;
grLay.Initialize();
curGrLayer.ChildLayers.Add(grLay);
using (var shapeFile = new Shapefile.Shapefile(filePath))
{
foreach (var shape in shapeFile)
{
//string[] metadataNames = shape.GetMetadataNames();
// if (metadataNames != null)
// {
// Console.WriteLine("Metadata:");
// var str = string.Empty;
// foreach (string metadataName in metadataNames)
// {
// str += String.Format("{0}={1} ({2})", metadataName, shape.GetMetadata(metadataName), shape.DataRecord.GetDataTypeName(shape.DataRecord.GetOrdinal(metadataName))) + Environment.NewLine;
// }
// Console.WriteLine();
// }
switch (shape.Type)
{
case ShapeType.Polygon:
var shapePolygon = shape as ShapePolygon;
if (shapePolygon != null)
foreach (var part in shapePolygon.Parts)
{
//Console.WriteLine("Polygon part:");
var wpfShape = new System.Windows.Shapes.Polygon();
var points = new System.Windows.Media.PointCollection();
foreach (var point in part)
{
//Console.WriteLine("{0}, {1}", point.X, point.Y);
double lat, lon;
//lat = point.Y;
//lon = point.X;
CoordinateUtils.Rd2LonLat(point.X, point.Y, out lon, out lat);
wpfShape.Points.Add(new Point(lon, lat));
points.Add(new Point(lon, lat));
}
shapeList.Add(wpfShape);
DrawPolygon(points, grLay, settings);
}
break;
case ShapeType.PolyLine:
var shapePolyline = shape as ShapePolyLine;
if (shapePolyline != null)
foreach (var part in shapePolyline.Parts)
{
//Console.WriteLine("Polygon part:");
var wpfShape = new System.Windows.Shapes.Polygon();
var points = new System.Windows.Media.PointCollection();
foreach (var point in part)
{
//Console.WriteLine("{0}, {1}", point.X, point.Y);
//CoordinateUtils.Rd2LonLat(point.X,point.Y,out lon, out lat);
var lat = point.Y;
var lon = point.X;
wpfShape.Points.Add(new Point(lon, lat));
points.Add(new Point(lon, lat));
}
shapeList.Add(wpfShape);
DrawPolyline(points, grLay, settings);
}
break;
}
}
}
});
}
