public bool Work()
{
if (!Init())
{
return(false);
}
IFeatureCursor cursor = _polygonFeatureClass.Insert(true);
IFeatureCursor featurecursor = _polylineFeatureClass.Search(null, false);
IFeature feature = featurecursor.NextFeature();
while (feature != null)
{
if (PolylineManager.IsPolygon(feature))
{
var pg = PolylineManager.GeneratePolygon(feature.ShapeCopy);
if (pg != null)
{
var buffer = _polygonFeatureClass.CreateFeatureBuffer();
buffer.Shape = pg;
for (var i = 0; i < feature.Fields.FieldCount; i++)
{
IField field = feature.Fields.get_Field(i);
if (field != null)
{
if (field.Name == "OID" || field.Name == "FID" || field.Name.ToUpper() == "SHAPE" || field.Name.ToUpper().Contains("SHAPE"))
{
continue;
}
var val = feature.get_Value(i);
var index = buffer.Fields.FindField(field.Name);
if (index > -1)
{
buffer.set_Value(index, val);
}
}
}
try
{
object featureOID = cursor.InsertFeature(buffer);
cursor.Flush();
}catch (Exception ex)
{
_error += string.Format("存在保存到总FeatureCLass错误，错误信息：{0}", ex.ToString());
}
}
}
feature = featurecursor.NextFeature();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(cursor);
System.Runtime.InteropServices.Marshal.ReleaseComObject(featurecursor);
return(string.IsNullOrEmpty(_error));
}
protected override void startDemo(bool isRestore)
{
if (!isRestore)
{
getMap().MoveCamera(CameraUpdateFactory.NewLatLngZoom(new LatLng(51.403186, -0.126446), 10));
}
// Shared object managers - used to support multiple layer types on the map simultaneously
MarkerManager markerManager = new MarkerManager(getMap());
GroundOverlayManager groundOverlayManager = new GroundOverlayManager(getMap());
PolygonManager polygonManager = new PolygonManager(getMap());
PolylineManager polylineManager = new PolylineManager(getMap());
// Add clustering
mClusterManager = new ClusterManager(this, getMap(), markerManager);
getMap().SetOnCameraIdleListener(mClusterManager);
try
{
readClusterItems();
}
catch (JSONException e)
{
Toast.MakeText(this, "Problem reading list of markers.", ToastLength.Long).Show();
e.PrintStackTrace();
}
// Add GeoJSON from resource
try
{
var geoJsonOnFeatureClickListener = new GeoJsonOnFeatureClickListener(this);
// GeoJSON polyline
GeoJsonLayer geoJsonLineLayer = new GeoJsonLayer(getMap(), Resource.Raw.south_london_line_geojson, this, markerManager, polygonManager, polylineManager, groundOverlayManager);
// Make the line red
GeoJsonLineStringStyle geoJsonLineStringStyle = new GeoJsonLineStringStyle();
geoJsonLineStringStyle.Color = Color.Red;
foreach (GeoJsonFeature f in geoJsonLineLayer.Features.ToEnumerable())
{
f.LineStringStyle = geoJsonLineStringStyle;
}
geoJsonLineLayer.AddLayerToMap();
geoJsonLineLayer.SetOnFeatureClickListener(geoJsonOnFeatureClickListener);
// GeoJSON polygon
GeoJsonLayer geoJsonPolygonLayer = new GeoJsonLayer(getMap(), Resource.Raw.south_london_square_geojson, this, markerManager, polygonManager, polylineManager, groundOverlayManager);
// Fill it with red
GeoJsonPolygonStyle geoJsonPolygonStyle = new GeoJsonPolygonStyle();
geoJsonPolygonStyle.FillColor = Color.Red;
foreach (GeoJsonFeature f in geoJsonPolygonLayer.Features.ToEnumerable())
{
f.PolygonStyle = geoJsonPolygonStyle;
}
geoJsonPolygonLayer.AddLayerToMap();
geoJsonPolygonLayer.SetOnFeatureClickListener(geoJsonOnFeatureClickListener);
}
catch (Java.IO.IOException)
{
Log.Error(TAG, "GeoJSON file could not be read");
}
catch (JSONException)
{
Log.Error(TAG, "GeoJSON file could not be converted to a JSONObject");
}
// Add KMLs from resources
KmlLayer kmlPolylineLayer;
KmlLayer kmlPolygonLayer;
try
{
var kmlLayerOnFeatureClickListener = new KmlLayerOnFeatureClickListener(this);
// KML Polyline
kmlPolylineLayer = new KmlLayer(getMap(), Resource.Raw.south_london_line_kml, this, markerManager, polygonManager, polylineManager, groundOverlayManager, null);
kmlPolylineLayer.AddLayerToMap();
kmlPolylineLayer.SetOnFeatureClickListener(kmlLayerOnFeatureClickListener);
// KML Polygon
kmlPolygonLayer = new KmlLayer(getMap(), Resource.Raw.south_london_square_kml, this, markerManager, polygonManager, polylineManager, groundOverlayManager, null);
kmlPolygonLayer.AddLayerToMap();
kmlPolygonLayer.SetOnFeatureClickListener(kmlLayerOnFeatureClickListener);
}
catch (XmlPullParserException e)
{
e.PrintStackTrace();
}
catch (Java.IO.IOException e)
{
e.PrintStackTrace();
}
// Unclustered marker - instead of adding to the map directly, use the MarkerManager
MarkerManager.Collection markerCollection = markerManager.NewCollection();
markerCollection.AddMarker(new MarkerOptions()
.SetPosition(new LatLng(51.150000, -0.150032))
.SetIcon(BitmapDescriptorFactory.DefaultMarker(BitmapDescriptorFactory.HueAzure))
.SetTitle("Unclustered marker"));
markerCollection.SetOnMarkerClickListener(this);
}