public static Symbol GetDefaultSymbol(this ESRI.ArcGIS.Client.Geometry.Geometry geometry)
{
if (geometry == null)
{
return(null);
}
Type t = geometry.GetType();
if (t == typeof(MapPoint))
{
return(DEFAULT_MARKER_SYMBOL);
}
else if (t == typeof(MultiPoint))
{
return(DEFAULT_MARKER_SYMBOL);
}
else if (t == typeof(Polyline))
{
return(DEFAULT_LINE_SYMBOL);
}
else if (t == typeof(Polygon))
{
return(DEFAULT_FILL_SYMBOL);
}
else if (t == typeof(Envelope))
{
return(DEFAULT_FILL_SYMBOL);
}
return(null);
}
} // public static GraphicsLayer reloadRLData(Map map, string layerID, string layerName)
/// <summary>
/// Create graphics from xml and restore Symbol for each Graphic in layer
/// </summary>
/// <param name="gl">redline layer</param>
/// <param name="xmlContent">symbols parameters</param>
public static void restoreRLGraphics(GraphicsLayer gl, string xmlContent)
{
// set Graphics symbols
gl = VLayer.setContent(gl, xmlContent);
foreach (var gr in gl.Graphics)
{
var t = gr.Attributes["aType"] as string;
ESRI.ArcGIS.Client.Geometry.Geometry g = gr.Geometry;
if (isText(g, t))
{
gr.Symbol = remakeTextSymbol(gr);
}
else if (isPoint(g))
{
gr.Symbol = dicSymbols[t];
}
else if (isLine(g))
{
gr.Symbol = dicLineSymbols[t];
}
else if (isArea(g))
{
gr.Symbol = dicAreaSymbols[t];
}
else
{
(string.Format("restoreRLGraphics, unknown Geom type [{0}]", g.GetType())).clog();
continue;
}
}
} // public static void restoreRLGraphics(GraphicsLayer gl, string xmlContent)
public static bool isArea(ESRI.ArcGIS.Client.Geometry.Geometry g)
{
if (g.GetType() == typeof(ESRI.ArcGIS.Client.Geometry.Polygon))
{
return(true);
}
return(false);
}
public static bool isPoint(ESRI.ArcGIS.Client.Geometry.Geometry g)
{
if (g.GetType() == typeof(ESRI.ArcGIS.Client.Geometry.MapPoint))
{
return(true);
}
return(false);
}
