//public async Task<QueryResult>
// QueryEntitiesByID(QueryEntitiesArgs args, string layerName)
//{
// QueryResult queryResult = null;
// // Objs field must be filled
// if (_localFeatureService == null || args.Objs == null)
// return queryResult;
// EngineeringLayer eLayer = _eMap.GetELayerByName(layerName);
// if (eLayer == null)
// return queryResult;
// string url = _localFeatureService.UrlFeatureService
// + "/" + eLayer.LocalLayerID;
// QueryTask queryTask = new QueryTask(new Uri(url));
// Query query = new Query("1=1");
// query.OutFields.Add("*");
// query.ReturnGeometry = true;
// query.OutSpatialReference = _srEMap;
// query.Where = QueryCondition(args.Objs);
// try
// {
// IsBusy = true;
// queryResult = await queryTask.ExecuteAsync(query);
// }
// catch (Exception ex)
// {
// MessageBox.Show(ex.Message);
// }
// IsBusy = false;
// return queryResult;
//}
//public async Task<QueryResult>
// QueryEntitiesByGeom(QueryEntitiesArgs args, EngineeringLayer layer)
//{
// QueryResult queryResult = null;
// if (_localFeatureService == null || layer == null)
// return queryResult;
// string url = _localFeatureService.UrlFeatureService
// + "/" + layer.LocalLayerID;
// QueryTask queryTask = new QueryTask(new Uri(url));
// Query query = new Query("1=1");
// query.OutFields.Add("*");
// query.ReturnGeometry = true;
// query.OutSpatialReference = _srEMap;
// query.Geometry = args.Geometry;
// query.Where = args.Condition;
// try
// {
// IsBusy = true;
// queryResult = await queryTask.ExecuteAsync(query);
// }
// catch (Exception ex)
// {
// MessageBox.Show(ex.Message);
// }
// IsBusy = false;
// return queryResult;
//}
#endregion
#region map pan functions
public void panToObjects(IEnumerable <DGObject> objs)
{
if (objs == null)
{
return;
}
IGraphicCollection allGraphics = new IS3GraphicCollection();
foreach (DGObject obj in objs)
{
if (obj == null || obj.parent == null)
{
continue;
}
string layerID = obj.parent.definition.GISLayerName;
IGraphicsLayer layer = _map.Layers[layerID] as IGraphicsLayer;
if (layer == null)
{
continue;
}
IGraphicCollection gc = layer.getGraphics(obj);
if (gc == null)
{
continue;
}
allGraphics.Add(gc);
}
panToGraphics(allGraphics);
}
public void panToSelected()
{
IGraphicCollection allGraphics = new IS3GraphicCollection();
foreach (Layer layer in _map.Layers)
{
IGraphicsLayer gLayer = layer as IGraphicsLayer;
if (gLayer == null)
{
continue;
}
allGraphics.Add(gLayer.selectedGraphics);
}
panToGraphics(allGraphics);
}
// Summary:
// Load features in a FeatureTable into a GraphicsLayer
//
async Task <IS3GraphicsLayer> featureTable2GraphicsLayer(FeatureTable table,
int start = 0, int maxFeatures = 0, bool isShp = false)
{
if (table == null)
{
return(null);
}
if (_srEMap == null)
{
// The spatial reference in the first table is used as the project spatial reference.
// All features on other layers will be projected to the spatial reference.
_srEMap = table.SpatialReference;
_map.SpatialReference = table.SpatialReference;
}
//// We cannot use the feature layer class because it typically
//// has a different SpatialReferece object (coordinate system)
//// other than the tiled layer (WKID = 3857 or 102100),
//// and there is no easy way to reproject feature layer
//// to another coordinate system.
//// We can only use the feature layer when there is no tiled layer defined,
//// which is not a usual case.
//FeatureLayer fLayer = new FeatureLayer(table);
//fLayer.ID = table.Name;
//fLayer.DisplayName = table.Name;
//_map.Layers.Add(fLayer);
QueryFilter qf = new QueryFilter();
qf.WhereClause = "1=1";
IEnumerable <Feature> features = await table.QueryAsync(qf);
IS3GraphicCollection graphics = new IS3GraphicCollection();
int index = 0, count = 0;
foreach (Feature f in features)
{
// jump to start position
if (index++ < start)
{
continue;
}
// Note:
// In ArcGIS Runtime SDK: User-defined coordinate system
// is not allowed when using ShapefileTable.OpenAsync().
// Workaround:
// (1) Do not assign user-defined CS in shape file;
// (2) Assign CS dynamically here to _srEMap.
//
Geometry geometry = f.Geometry;
if (isShp == true)
{
geometry = ArcGISMappingUtility.ChangeSpatailReference(geometry, _srEMap);
if (geometry == null)
{
continue;
}
}
if (_srEMap != null && isShp == false && geometry.SpatialReference != _srEMap)
{
geometry = GeometryEngine.Project(geometry, _srEMap);
}
// import the attributes
IS3Graphic g = new IS3Graphic(geometry);
foreach (KeyValuePair <string, object> item in f.Attributes.AsEnumerable())
{
g.Attributes.Add(item);
}
graphics.Add(g);
// Load max featuers
if (maxFeatures != 0 && count++ == maxFeatures)
{
break;
}
}
IS3GraphicsLayer gLayer = new IS3GraphicsLayer();
gLayer.DisplayName = table.Name;
gLayer.GraphicsSource = graphics;
gLayer.geometryType = (Core.Model.GeometryType)(int) table.GeometryType;
return(gLayer);
}
public void panToSelected()
{
IGraphicCollection allGraphics = new IS3GraphicCollection();
foreach (Layer layer in _map.Layers)
{
IGraphicsLayer gLayer = layer as IGraphicsLayer;
if (gLayer == null)
continue;
allGraphics.Add(gLayer.selectedGraphics);
}
panToGraphics(allGraphics);
}
//public async Task<QueryResult>
// QueryEntitiesByID(QueryEntitiesArgs args, string layerName)
//{
// QueryResult queryResult = null;
// // Objs field must be filled
// if (_localFeatureService == null || args.Objs == null)
// return queryResult;
// EngineeringLayer eLayer = _eMap.GetELayerByName(layerName);
// if (eLayer == null)
// return queryResult;
// string url = _localFeatureService.UrlFeatureService
// + "/" + eLayer.LocalLayerID;
// QueryTask queryTask = new QueryTask(new Uri(url));
// Query query = new Query("1=1");
// query.OutFields.Add("*");
// query.ReturnGeometry = true;
// query.OutSpatialReference = _srEMap;
// query.Where = QueryCondition(args.Objs);
// try
// {
// IsBusy = true;
// queryResult = await queryTask.ExecuteAsync(query);
// }
// catch (Exception ex)
// {
// MessageBox.Show(ex.Message);
// }
// IsBusy = false;
// return queryResult;
//}
//public async Task<QueryResult>
// QueryEntitiesByGeom(QueryEntitiesArgs args, EngineeringLayer layer)
//{
// QueryResult queryResult = null;
// if (_localFeatureService == null || layer == null)
// return queryResult;
// string url = _localFeatureService.UrlFeatureService
// + "/" + layer.LocalLayerID;
// QueryTask queryTask = new QueryTask(new Uri(url));
// Query query = new Query("1=1");
// query.OutFields.Add("*");
// query.ReturnGeometry = true;
// query.OutSpatialReference = _srEMap;
// query.Geometry = args.Geometry;
// query.Where = args.Condition;
// try
// {
// IsBusy = true;
// queryResult = await queryTask.ExecuteAsync(query);
// }
// catch (Exception ex)
// {
// MessageBox.Show(ex.Message);
// }
// IsBusy = false;
// return queryResult;
//}
#endregion
#region map pan functions
public void panToObjects(IEnumerable<DGObject> objs)
{
if (objs == null)
return;
IGraphicCollection allGraphics = new IS3GraphicCollection();
foreach (DGObject obj in objs)
{
if (obj == null || obj.parent == null)
continue;
string layerID = obj.parent.definition.GISLayerName;
IGraphicsLayer layer = _map.Layers[layerID] as IGraphicsLayer;
if (layer == null)
continue;
IGraphicCollection gc = layer.getGraphics(obj);
if (gc == null)
continue;
allGraphics.Add(gc);
}
panToGraphics(allGraphics);
}
// Summary:
// Load features in a FeatureTable into a GraphicsLayer
//
async Task<IS3GraphicsLayer> featureTable2GraphicsLayer(FeatureTable table,
int start = 0, int maxFeatures = 0, bool isShp = false)
{
if (table == null)
return null;
if (_srEMap == null)
{
// The spatial reference in the first table is used as the project spatial reference.
// All features on other layers will be projected to the spatial reference.
_srEMap = table.SpatialReference;
_map.SpatialReference = table.SpatialReference;
}
//// We cannot use the feature layer class because it typically
//// has a different SpatialReferece object (coordinate system)
//// other than the tiled layer (WKID = 3857 or 102100),
//// and there is no easy way to reproject feature layer
//// to another coordinate system.
//// We can only use the feature layer when there is no tiled layer defined,
//// which is not a usual case.
//FeatureLayer fLayer = new FeatureLayer(table);
//fLayer.ID = table.Name;
//fLayer.DisplayName = table.Name;
//_map.Layers.Add(fLayer);
QueryFilter qf = new QueryFilter();
qf.WhereClause = "1=1";
IEnumerable<Feature> features = await table.QueryAsync(qf);
IS3GraphicCollection graphics = new IS3GraphicCollection();
int index = 0, count = 0;
foreach (Feature f in features)
{
// jump to start position
if (index++ < start)
continue;
// Note:
// In ArcGIS Runtime SDK: User-defined coordinate system
// is not allowed when using ShapefileTable.OpenAsync().
// Workaround:
// (1) Do not assign user-defined CS in shape file;
// (2) Assign CS dynamically here to _srEMap.
//
Geometry geometry = f.Geometry;
if (isShp == true)
{
geometry = ArcGISMappingUtility.ChangeSpatailReference(geometry, _srEMap);
if (geometry == null)
continue;
}
if (_srEMap != null && isShp == false && geometry.SpatialReference != _srEMap)
geometry = GeometryEngine.Project(geometry, _srEMap);
// import the attributes
IS3Graphic g = new IS3Graphic(geometry);
foreach (KeyValuePair<string, object> item in f.Attributes.AsEnumerable())
g.Attributes.Add(item);
graphics.Add(g);
// Load max featuers
if (maxFeatures != 0 && count++ == maxFeatures)
break;
}
IS3GraphicsLayer gLayer = new IS3GraphicsLayer();
gLayer.DisplayName = table.Name;
gLayer.GraphicsSource = graphics;
gLayer.geometryType = (IS3.Core.Geometry.GeometryType)(int)table.GeometryType;
return gLayer;
}
public int syncObjects(IEnumerable<DGObject> objs)
{
if (objs == null)
return 0;
// Build (graphic name)-(graphics) index.
// Graphics may share a same name if they belong to a object.
//
Dictionary<string, IGraphicCollection> graphicIndex =
new Dictionary<string, IGraphicCollection>();
foreach (IGraphic g in graphics)
{
if (g.Attributes.ContainsKey("Name"))
{
string name = g.Attributes["Name"] as string;
if (name == null)
continue;
IGraphicCollection gc = null;
if (graphicIndex.ContainsKey(name))
gc = graphicIndex[name];
else
{
gc = new IS3GraphicCollection();
graphicIndex[name] = gc;
}
gc.Add(g);
}
}
// Sync objects with graphics
//
_obj2Graphics = new Dictionary<DGObject, IGraphicCollection>();
_graphicName2Objs = new Dictionary<string, DGObject>();
int count = 0;
foreach (DGObject obj in objs)
{
string name = obj.name;
if (graphicIndex.ContainsKey(name))
{
IGraphicCollection gc = graphicIndex[name];
_obj2Graphics[obj] = gc;
_graphicName2Objs[name] = obj;
count++;
}
}
_graphic2Objs = new Dictionary<IGraphic, DGObject>();
foreach (IGraphic g in graphics)
{
if (g.Attributes.ContainsKey("Name"))
{
string name = g.Attributes["Name"] as string;
if (name == null)
continue;
if (_graphicName2Objs.ContainsKey(name))
{
_graphic2Objs[g] = _graphicName2Objs[name];
}
}
}
return count;
}