public SpatialContextResultDialog(MgSpatialContextReader reader)
: this()
{
_reader = reader;
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
StringBuilder sb = new StringBuilder();
while (_reader.ReadNext())
{
MgGeometry geom = null;
if (_reader.ExtentType == MgSpatialContextExtentType.scStatic)
{
geom = _agfRW.Read(_reader.Extent);
}
sb.AppendFormat("Spatial Context{0}\tName: {1}{0}\tDescription: {2}{0}\tCoordinate System: {3}{0}\tCoordinate System Wkt: {4}{0}\tExtent Type {5}{0}\tExtents (if applicable): {6}{0}\tXY Tolerance: {7}{0}\tZ Tolerance: {8}{0}\tIs Active: {9}{0}{0}",
Environment.NewLine,
_reader.Name,
_reader.Description,
_reader.CoordinateSystem,
_reader.CoordinateSystemWkt,
_reader.ExtentType == MgSpatialContextExtentType.scDynamic ? "Dynamic" : "Static",
geom != null ? _wktRW.Write(geom) : "N/A",
_reader.XYTolerance,
_reader.ZTolerance,
_reader.IsActive());
}
textBox1.Text = sb.ToString();
_reader.Close();
}
public MgMultiGeometry CreateMultiGeometry()
{
MgGeometryCollection geometries = new MgGeometryCollection();
MgGeometry geometry = null;
// CurvePolygon
geometry = (MgGeometry)CreateCurvePolygon(0, 1);
geometries.Add(geometry);
// CurveString
// Not doing CurveString because of some unfixed defect.
// It may be the same one that sometimes affects MultiPolygon.
geometry = (MgGeometry)CreateCurveString(100);
geometries.Add(geometry);
// LineString
geometry = (MgGeometry)CreateLineString(1.0);
geometries.Add(geometry);
// Point
geometry = (MgGeometry)CreatePoint();
geometries.Add(geometry);
// Polygon
geometry = CreatePolygon(0.0);
geometries.Add(geometry);
// Make MultiGeometry from the many geometries collected above.
return(factory.CreateMultiGeometry(geometries));
}
private void InsertRedlineGeometry(MgGeometry geom)
{
MgPropertyCollection feature = new MgPropertyCollection();
MgByteReader agf = _agfRW.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty("Geometry", agf);
feature.Add(geomProp);
_redlineLayer.ForceRefresh();
var reader = _redlineLayer.InsertFeatures(feature);
int inserted = 0;
while (reader.ReadNext())
{
inserted++;
}
reader.Close();
if (inserted > 0)
{
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
private void OnPointDigitized(double x, double y)
{
CheckRedlineLayer();
MgGeometry point = _geomFact.CreatePoint(_geomFact.CreateCoordinateXY(x, y));
InsertRedlineGeometry(point);
}
private void btnSelectCircle_Click(object sender, EventArgs e)
{
mgMapViewer1.DigitizeCircle((x, y, r) =>
{
MgGeometry geom = _wktRw.Read(MakeWktCircle(x, y, r));
mgMapViewer1.SelectByGeometry(geom);
});
}
private void btnRectangle_Click(object sender, EventArgs e)
{
_viewer.DigitizeRectangle((llx, lly, urx, ury) =>
{
ClearFilterGeometry();
_filterGeometry = _wktRw.Read(Util.MakeWktPolygon(llx, lly, urx, ury));
lblSpatialFilterGeomSet.Visible = true;
});
}
private void btnSelectDistrict1_Click(object sender, EventArgs e)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase districts = layers.GetItem("Districts");
MgLayerBase parcels = layers.GetItem("Parcels");
//Query the geometry of district 1
MgFeatureQueryOptions districtQuery = new MgFeatureQueryOptions();
districtQuery.SetFilter("Autogenerated_SDF_ID = 1");
MgFeatureReader reader = districts.SelectFeatures(districtQuery);
MgGeometry districtGeom = null;
MgAgfReaderWriter agfRw = new MgAgfReaderWriter();
try
{
reader.ReadNext();
MgByteReader geomAgf = reader.GetGeometry(districts.GetFeatureGeometryName());
districtGeom = agfRw.Read(geomAgf);
}
finally
{
reader.Close();
}
//Now use this geometry as the basis of our 2nd query
MgFeatureQueryOptions parcelQuery = new MgFeatureQueryOptions();
parcelQuery.SetFilter("RNAME LIKE 'SCHMITT%'");
parcelQuery.SetSpatialFilter(parcels.GetFeatureGeometryName(), districtGeom, MgFeatureSpatialOperations.Inside);
//Select the features
reader = parcels.SelectFeatures(parcelQuery);
MgSelectionBase selection = _viewer.GetSelection();
try
{
selection.FromXml(""); //Clear existing selection data
selection.AddFeatures(parcels, reader, 0);
}
finally
{
reader.Close();
}
//Because we manipulated the active selection outside the viewer
//We need to call UpdateSelection() to instruct the viewer to
//re-render the active selection. The "true" parameter instructs
//the viewer to raise the SelectionChanged event as well, so that
//subscribers like the Property Pane get updated as well.
_viewer.UpdateSelection(true);
_viewer.RefreshMap();
}
private void btnQueryDistrict1_Click(object sender, EventArgs e)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase districts = layers.GetItem("Districts");
MgLayerBase parcels = layers.GetItem("Parcels");
//Query the geometry of district 1
MgFeatureQueryOptions districtQuery = new MgFeatureQueryOptions();
districtQuery.SetFilter("Autogenerated_SDF_ID = 1");
MgFeatureReader reader = districts.SelectFeatures(districtQuery);
MgGeometry districtGeom = null;
MgAgfReaderWriter agfRw = new MgAgfReaderWriter();
try
{
reader.ReadNext();
MgByteReader geomAgf = reader.GetGeometry(districts.GetFeatureGeometryName());
districtGeom = agfRw.Read(geomAgf);
}
finally
{
reader.Close();
}
//Now use this geometry as the basis of our 2nd query
MgFeatureQueryOptions parcelQuery = new MgFeatureQueryOptions();
parcelQuery.SetFilter("RNAME LIKE 'SCHMITT%'");
parcelQuery.SetSpatialFilter(parcels.GetFeatureGeometryName(), districtGeom, MgFeatureSpatialOperations.Inside);
//Select the features
reader = parcels.SelectFeatures(parcelQuery);
List <string> results = new List <string>();
try
{
while (reader.ReadNext())
{
if (!reader.IsNull("RPROPAD"))
{
results.Add(reader.GetString("RPROPAD"));
}
}
}
finally
{
reader.Close();
}
new ParcelQueryResultWindow(results).ShowDialog();
}
private void OnLineDigitized(double x1, double y1, double x2, double y2)
{
CheckRedlineLayer();
MgCoordinateCollection coords = new MgCoordinateCollection();
coords.Add(_geomFact.CreateCoordinateXY(x1, y1));
coords.Add(_geomFact.CreateCoordinateXY(x2, y2));
MgGeometry line = _geomFact.CreateLineString(coords);
InsertRedlineGeometry(line);
}
/// <summary>
/// Установка зумирования и активной выборки (запуск через командную строку - отсюда название)
/// </summary>
/// <param name="sel_base">выборка, которую следует отобразить</param>
internal static void ThroughAssZoomAndSelection(MgSelectionBase sel_base)
{
internal_saved_selection = AcMapFeatureEntityService.AddFeaturesToSelectionSet(null, sel_base); // преобразование в SelectionSet и обратно,
sel_base = AcMapFeatureEntityService.GetSelection(internal_saved_selection); // иначе дает сбой метод GetSelectedFeatures()
MgEnvelope extents = new MgEnvelope();
MgReadOnlyLayerCollection layers = sel_base.GetLayers();
foreach (MgLayerBase layer in layers)
{
MgFeatureReader ftr_reader = sel_base.GetSelectedFeatures(layer, layer.FeatureClassName, false);
string geom_prop_name = ftr_reader.GetClassDefinition().DefaultGeometryPropertyName;
while (ftr_reader.ReadNext())
{
MgByteReader byte_reader = ftr_reader.GetGeometry(geom_prop_name);
MgAgfReaderWriter agf_reader_writer = new MgAgfReaderWriter();
MgGeometry curr_geom = agf_reader_writer.Read(byte_reader);
extents.ExpandToInclude(curr_geom.Envelope());
}
}
// зумирование и вызов функции выбора через командную строку
Core.no_handle_selection = true; // чтобы изменение выборки не обрабатывалось
string zoom_str;
if ((extents.Width == 0) && (extents.Width == extents.Height))
{
zoom_str = "'_zoom _c "
+ extents.LowerLeftCoordinate.X.ToString() + "," + extents.LowerLeftCoordinate.Y.ToString() + " ";
}
else
{
zoom_str = "'_zoom _w "
+ (extents.LowerLeftCoordinate.X - extents.Width / 2).ToString()
+ ","
+ (extents.LowerLeftCoordinate.Y - extents.Height / 2).ToString()
+ " "
+ (extents.UpperRightCoordinate.X + extents.Width / 2).ToString()
+ ","
+ (extents.UpperRightCoordinate.Y + extents.Height / 2).ToString();
}
Core.SendStringToExecute(zoom_str + "\n"
+ "ThroughAssZoomAndSelectionHelperFunction\n"
, true, false, false);
}
// GET: Search/Results
public ActionResult Results(SearchInputModel input)
{
MgSiteConnection conn = CreateConnection(input);
MgMap map = new MgMap(conn);
map.Open(input.MapName);
MgLayerCollection layers = map.GetLayers();
int lidx = layers.IndexOf("Parcels");
if (lidx < 0)
{
throw new Exception("Layer not found on map: Parcels");
}
MgLayerBase layer = layers[lidx];
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
//Don't fret about the input here. This is not a SQL injection attack vector. This filter string is
//not SQL, it's a FDO filter. A 'DROP TABLE' or any other destructive SQL will fail on
//query execution when this filter is parsed to a FDO filter.
switch (input.By)
{
case "OWNER":
query.SetFilter("RNAME LIKE '%" + input.Query.Replace("'", "\'") + "%'");
break;
case "ADDRESS":
query.SetFilter("RPROPAD LIKE '%" + input.Query.Replace("'", "\'") + "%'");
break;
case "BBOX":
double[] parts = input.Query.Split(',').Select(s => double.Parse(s, CultureInfo.InvariantCulture)).ToArray();
if (parts.Length != 4)
{
throw new Exception("Invalid BBOX parameter");
}
MgWktReaderWriter wktRw = new MgWktReaderWriter();
MgGeometry filterGeom = wktRw.Read(MakeWktPolygon(parts[0], parts[1], parts[2], parts[3]));
query.SetSpatialFilter(layer.FeatureGeometryName, filterGeom, MgFeatureSpatialOperations.Intersects);
break;
default:
throw new Exception("Unknown query type: " + input.By);
}
SearchResultViewModel vm = new SearchResultViewModel();
vm.Session = input.Session;
vm.MapName = input.MapName;
vm.LoadResults(layer, query);
return(View(vm));
}
void OnSelectRadius(object sender, EventArgs e)
{
if (_viewer == null)
{
return;
}
_viewer.DigitizeCircle((x, y, r) =>
{
MgGeometry geom = _wktRw.Read(Util.MakeWktCircle(x, y, r, true));
_viewer.SelectByGeometry(geom);
});
}
private void AddRectangle(RedlineTextFunction retrieveTextMethod, RedlineAction onRedlineAdded)
{
_viewer.DigitizeRectangle((x1, y1, x2, y2) =>
{
string text = string.Empty;
if (retrieveTextMethod != null)
{
text = retrieveTextMethod();
}
MgGeometry geom = _wktRW.Read(Util.MakeWktPolygon(x1, y1, x2, y2));
InsertRedlineGeometry(text, geom, onRedlineAdded);
});
}
private void AddCircle(RedlineTextFunction retrieveTextMethod, RedlineAction onRedlineAdded)
{
_viewer.DigitizeCircle((x, y, r) =>
{
string text = string.Empty;
if (retrieveTextMethod != null)
{
text = retrieveTextMethod();
}
MgGeometry geom = _wktRW.Read(Util.MakeWktCircle(x, y, r, true));
InsertRedlineGeometry(text, geom, onRedlineAdded);
});
}
private void OnLineStringDigitized(double[,] coordinates)
{
CheckRedlineLayer();
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
MgGeometry line = _geomFact.CreateLineString(coords);
InsertRedlineGeometry(line);
}
public void EmitGeometry(MgGeometry geo, int extrude, double ht)
{
if (geo != null)
{
if (geo.GetGeometryType() == MgGeometryType.Polygon)
{
EmitPolygon(geo, extrude, ht);
}
else if (geo.GetGeometryType() == MgGeometryType.MultiPolygon)
{
EmitMultiPolygon(geo, extrude, ht);
}
}
}
private void AddPoint(RedlineTextFunction retrieveTextMethod, RedlineAction onRedlineAdded)
{
_viewer.DigitizePoint((x, y) =>
{
string text = string.Empty;
if (retrieveTextMethod != null)
{
text = retrieveTextMethod();
}
MgCoordinate coord = _geomFact.CreateCoordinateXY(x, y);
MgGeometry point = _geomFact.CreatePoint(coord);
InsertRedlineGeometry(text, point, onRedlineAdded);
});
}
private void OnPolygonDigitized(double[,] coordinates)
{
CheckRedlineLayer();
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
MgGeometry poly = _geomFact.CreatePolygon(ring, null);
InsertRedlineGeometry(poly);
}
MgPropertyCollection MakePoint(String name, double x, double y, MgWktReaderWriter wktReaderWriter, MgAgfReaderWriter agfReaderWriter)
{
MgPropertyCollection propertyCollection = new MgPropertyCollection();
MgStringProperty nameProperty = new MgStringProperty("NAME", name);
propertyCollection.Add(nameProperty);
MgGeometry geometry = wktReaderWriter.Read("POINT XY (" + x + " " + y + ")");
MgByteReader geometryByteReader = agfReaderWriter.Write(geometry);
MgGeometryProperty geometryProperty = new MgGeometryProperty("GEOM", geometryByteReader);
propertyCollection.Add(geometryProperty);
return(propertyCollection);
}
public override void Invoke()
{
var viewer = this.Viewer;
viewer.DigitizeCircle((x, y, r) =>
{
if (_wktRw == null)
{
_wktRw = new MgWktReaderWriter();
}
MgGeometry geom = _wktRw.Read(Util.MakeWktCircle(x, y, r, true));
viewer.SelectByGeometry(geom);
});
}
private void btnSelectPolygon_Click(object sender, EventArgs e)
{
mgMapViewer1.DigitizePolygon((coordinates) =>
{
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
MgGeometry poly = _geomFact.CreatePolygon(ring, null);
mgMapViewer1.SelectByGeometry(poly);
});
}
private void btnPolygon_Click(object sender, EventArgs e)
{
_viewer.DigitizePolygon((coordinates) =>
{
ClearFilterGeometry();
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
_filterGeometry = _geomFact.CreatePolygon(ring, null);
lblSpatialFilterGeomSet.Visible = true;
});
}
private void AddLine(RedlineTextFunction retrieveTextMethod, RedlineAction onRedlineAdded)
{
_viewer.DigitizeLine((x1, y1, x2, y2) =>
{
string text = string.Empty;
if (retrieveTextMethod != null)
{
text = retrieveTextMethod();
}
MgCoordinateCollection coords = new MgCoordinateCollection();
coords.Add(_geomFact.CreateCoordinateXY(x1, y1));
coords.Add(_geomFact.CreateCoordinateXY(x2, y2));
MgGeometry line = _geomFact.CreateLineString(coords);
InsertRedlineGeometry(text, line, onRedlineAdded);
});
}
private void AddLineString(RedlineTextFunction retrieveTextMethod, RedlineAction onRedlineAdded)
{
_viewer.DigitizeLineString((coordinates) =>
{
string text = string.Empty;
if (retrieveTextMethod != null)
{
text = retrieveTextMethod();
}
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
MgGeometry line = _geomFact.CreateLineString(coords);
InsertRedlineGeometry(text, line, onRedlineAdded);
});
}
void OnSelectPolygon(object sender, EventArgs e)
{
if (_viewer == null)
{
return;
}
_viewer.DigitizePolygon((coordinates) => {
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
MgGeometry poly = _geomFact.CreatePolygon(ring, null);
_viewer.SelectByGeometry(poly);
});
}
private void OnPointDrawn(double x, double y)
{
if (_pointLayer == null) //Our point layer doesn't exist
{
CreateRedlineLayer();
}
//Now insert our point. This code should look familiar
//to you, setting up the MgPropertyCollection for insertion
MgPropertyCollection props = new MgPropertyCollection();
MgWktReaderWriter wktRw = new MgWktReaderWriter();
MgAgfReaderWriter agfRw = new MgAgfReaderWriter();
MgGeometry geom = wktRw.Read("POINT (" + x + " " + y + ")");
MgByteReader agf = agfRw.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty("Geometry", agf);
props.Add(geomProp);
//Here's where we differ from the official MapGuide API
//instead of a monolithic UpdateFeatures() that tries to
//do everything, we have individual InsertFeatures/DeleteFeatures/UpdateFeatures
//methods. So here's the mg-desktop way
MgFeatureReader result = _pointLayer.InsertFeatures(props);
result.Close();
//Or if you have have access to the MgdLayer instance
/*
* MgResourceIdentifier fsId = new MgResourceIdentifier(_pointLayer.GetFeatureSourceId());
* MgServiceFactory factory = new MgServiceFactory();
* MgdFeatureService featSvc = (MgdFeatureService)factory.CreateService(MgServiceType.FeatureService);
* MgFeatureReader fr = featSvc.InsertFeatures(fsId, "Default:Redline", props);
* fr.Close();
*/
//Now refresh to see your newly drawn point
mgMapViewer1.RefreshMap();
}
public override void Invoke()
{
var viewer = this.Viewer;
viewer.DigitizePolygon((coordinates) =>
{
if (_geomFact == null)
{
_geomFact = new MgGeometryFactory();
}
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
MgGeometry poly = _geomFact.CreatePolygon(ring, null);
viewer.SelectByGeometry(poly);
});
}
private void InsertRedlineGeometry(MgGeometry geom)
{
MgPropertyCollection feature = new MgPropertyCollection();
MgByteReader agf = _agfRW.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty("Geometry", agf);
feature.Add(geomProp);
_redlineLayer.ForceRefresh();
var reader = _redlineLayer.InsertFeatures(feature);
int inserted = 0;
while (reader.ReadNext())
{
inserted++;
}
reader.Close();
if (inserted > 0)
{
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
legend.RefreshLegend();
}
}
public void LoadResults(MgLayerBase layer, MgFeatureQueryOptions query)
{
MgClassDefinition clsDef = layer.GetClassDefinition();
MgPropertyDefinitionCollection idProps = clsDef.GetIdentityProperties();
MgPropertyDefinition idProp = idProps[0];
string idPropName = idProp.Name;
string geomName = layer.FeatureGeometryName;
MgFeatureReader reader = layer.SelectFeatures(query);
MgAgfReaderWriter agfRw = new MgAgfReaderWriter();
try
{
while (reader.ReadNext())
{
var res = new ParcelFeatureModel();
res.ID = reader.GetInt32(idPropName);
res.Owner = reader.IsNull("RNAME") ? "(unknown)" : reader.GetString("RNAME");
res.Address = reader.IsNull("RPROPAD") ? "(unknown)" : reader.GetString("RPROPAD");
if (!reader.IsNull(geomName))
{
MgByteReader agf = reader.GetGeometry(geomName);
MgGeometry geom = agfRw.Read(agf);
MgPoint center = geom.Centroid;
MgCoordinate coord = center.Coordinate;
res.X = coord.X;
res.Y = coord.Y;
}
this.Results.Add(res);
}
}
finally
{
reader.Close();
}
}
public override MgQueryMapFeaturesResult QueryMapFeatures(MgQueryRequestType queryType, MgStringCollection layerNames, MgGeometry filterGeom, int selectionVariant, string featureFilter, int maxFeatures, int layerAttributeFilter)
{
var fi = _renderSvc.QueryFeatures(_implMap, layerNames, filterGeom, selectionVariant, featureFilter, maxFeatures, layerAttributeFilter);
try
{
if (queryType == MgQueryRequestType.Tooltip)
return MakeTooltip(fi.GetTooltip());
else
return MakeSelectionResult(fi.GetSelection());
}
finally
{
fi.Dispose();
}
}
private void EmitPolygon(MgGeometry geo, int extrude, double ht)
{
if (geo != null)
{
outString.Append("<Polygon>");
outString.Append("<extrude>" + extrude + "</extrude>");
outString.Append("<altitudeMode>relativeToGround</altitudeMode>");
outString.Append("<outerBoundaryIs>");
MgPolygon polygon = (MgPolygon)geo;
EmitLinearRing(polygon.GetExteriorRing(), ht);
outString.Append("</outerBoundaryIs>");
outString.Append("</Polygon>");
}
}
public void WriteConsolidatedGeometryRing(MgGeometry geo, int extrude, double ht)
{
EmitPolygon(geo, extrude, ht);
}
public static void AddFeatureToCollection(MgBatchPropertyCollection propCollection, MgAgfReaderWriter agfRW, int featureId, MgGeometry featureGeom)
{
MgPropertyCollection bufferProps = new MgPropertyCollection();
MgInt32Property idProp = new MgInt32Property("ID", featureId); //NOXLATE
bufferProps.Add(idProp);
MgByteReader geomReader = agfRW.Write(featureGeom);
MgGeometryProperty geomProp = new MgGeometryProperty("GEOM", geomReader); //NOXLATE
bufferProps.Add(geomProp);
propCollection.Add(bufferProps);
}
private void btnPolygon_Click(object sender, EventArgs e)
{
_viewer.DigitizePolygon((coordinates) =>
{
ClearFilterGeometry();
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
_filterGeometry = _geomFact.CreatePolygon(ring, null);
lblSpatialFilterGeomSet.Visible = true;
});
}
/// <summary>
/// Selects features from all selectable layers that intersects the given geometry
/// </summary>
/// <param name="geom"></param>
public void SelectByGeometry(MgGeometry geom)
{
SelectByGeometry(geom, -1);
}
private void InsertRedlineGeometry(string text, MgGeometry geom, RedlineAction onRedlineAdded)
{
MgPropertyCollection feature = new MgPropertyCollection();
MgByteReader agf = _agfRW.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty(RedlineSchemaFactory.GEOM_NAME, agf);
feature.Add(geomProp);
MgStringProperty strProp = new MgStringProperty(RedlineSchemaFactory.TEXT_NAME, text);
feature.Add(strProp);
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase redlineLayer = layers.GetItem(_layer.SystemName);
MgClassDefinition cls = redlineLayer.GetClassDefinition();
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
MgPropertyDefinition idProp = idProps.GetItem(0);
redlineLayer.ForceRefresh();
//This lib doesn't reference mg-desktop so the convenience APIs aren't available to us
//Gotta go the old verbose route
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgInsertFeatures insert = new MgInsertFeatures(redlineLayer.FeatureClassName, feature);
commands.Add(insert);
MgPropertyCollection result = redlineLayer.UpdateFeatures(commands);
//Insert result is a MgFeatureProperty containing an MgFeatureReader
MgFeatureProperty insertResult = result.GetItem(0) as MgFeatureProperty;
MgStringProperty errorResult = result.GetItem(0) as MgStringProperty;
if (insertResult != null)
{
var reader = insertResult.GetValue();
int inserted = 0;
int?id = null;
try
{
if (reader.ReadNext())
{
inserted++;
id = reader.GetInt32(idProp.Name);
}
}
catch (MgException ex)
{
ex.Dispose();
}
finally
{
reader.Close();
}
if (inserted > 0)
{
_viewer.RefreshMap();
onRedlineAdded(id, text);
}
}
else if (errorResult != null)
{
throw new Exception(errorResult.GetValue());
}
}
public static string GetWkt(MgGeometry geom)
{
return(_wktRw.Write(geom));
}
public static MgByteReader GetAgf(IGeometry geom)
{
MgGeometry mgeom = _wktRw.Read(geom.AsText());
return(_agfRw.Write(mgeom));
}
/// <summary> /// /// </summary> /// <param name="queryType"></param> /// <param name="layerNames"></param> /// <param name="filterGeom"></param> /// <param name="selectionVariant"></param> /// <param name="featureFilter"></param> /// <param name="maxFeatures"></param> /// <param name="layerAttributeFilter"></param> /// <returns></returns> public abstract MgQueryMapFeaturesResult QueryMapFeatures(MgQueryRequestType queryType, MgStringCollection layerNames, MgGeometry filterGeom, int selectionVariant, string featureFilter, int maxFeatures, int layerAttributeFilter);
/// <summary>
/// Selects features from all selectable layers that intersects the given geometry
/// </summary>
/// <param name="geom"></param>
/// <param name="maxFeatures"></param>
public void SelectByGeometry(MgGeometry geom, int maxFeatures)
{
SelectByGeometry(geom, maxFeatures, null);
}
/// <summary>
/// Selects features from all selectable layers that intersects the given geometry
/// </summary>
/// <param name="geom"></param>
/// <param name="maxFeatures"></param>
/// <param name="selectionHandler"></param>
public void SelectByGeometry(MgGeometry geom, int maxFeatures, Action<MgSelectionBase> selectionHandler)
{
//Don't select if dragging. This is the cause of the failure to render
//multiple selections, which required a manual refresh afterwards
if (isDragging)
return;
#if TRACE
var sw = new Stopwatch();
sw.Start();
#endif
MgSelectionBase newSel = null;
//We will be either wiping or updating the existing selection set
MgSelectionQueryResult sel = _provider.QueryMapFeatures(MgQueryRequestType.Selection, null, geom, MgFeatureSpatialOperations.Intersects, "", maxFeatures, (1 | 2)) as MgSelectionQueryResult; //1=Visible, 2=Selectable, 4=HasTooltips
if (sel != null)
{
newSel = sel.Selection;
string newXml = newSel.ToXml();
_selection.FromXml(newXml);
//If specified, we need to retain this for passing to the given selection handler
if (selectionHandler == null)
newSel.Dispose();
}
else
{
_selection.FromXml(string.Empty);
}
#if TRACE
sw.Stop();
//Trace.TraceInformation("Selection processing completed in {0}ms", sw.ElapsedMilliseconds);
#endif
//This selection may result in nothing, so we invalidate the selection image beforehand
if (_selectionImage != null)
{
_selectionImage.Dispose();
_selectionImage = null;
}
RenderSelection(true); //This is either async or queued up. Either way do this before firing off selection changed
if (selectionHandler == null)
{
var handler = this.SelectionChanged;
if (handler != null)
handler(this, EventArgs.Empty);
}
else
{
selectionHandler(newSel);
}
}
private void InsertRedlineGeometry(string text, MgGeometry geom, RedlineAction onRedlineAdded)
{
MgPropertyCollection feature = new MgPropertyCollection();
MgByteReader agf = _agfRW.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty(RedlineSchemaFactory.GEOM_NAME, agf);
feature.Add(geomProp);
MgStringProperty strProp = new MgStringProperty(RedlineSchemaFactory.TEXT_NAME, text);
feature.Add(strProp);
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase redlineLayer = layers.GetItem(_layer.SystemName);
MgClassDefinition cls = redlineLayer.GetClassDefinition();
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
MgPropertyDefinition idProp = idProps.GetItem(0);
redlineLayer.ForceRefresh();
//This lib doesn't reference mg-desktop so the convenience APIs aren't available to us
//Gotta go the old verbose route
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgInsertFeatures insert = new MgInsertFeatures(redlineLayer.FeatureClassName, feature);
commands.Add(insert);
MgPropertyCollection result = redlineLayer.UpdateFeatures(commands);
//Insert result is a MgFeatureProperty containing an MgFeatureReader
MgFeatureProperty insertResult = result.GetItem(0) as MgFeatureProperty;
MgStringProperty errorResult = result.GetItem(0) as MgStringProperty;
if (insertResult != null)
{
var reader = insertResult.GetValue();
int inserted = 0;
int? id = null;
try
{
if (reader.ReadNext())
{
inserted++;
id = reader.GetInt32(idProp.Name);
}
}
catch (MgException ex)
{
ex.Dispose();
}
finally
{
reader.Close();
}
if (inserted > 0)
{
_viewer.RefreshMap();
onRedlineAdded(id, text);
}
}
else if (errorResult != null)
{
throw new Exception(errorResult.GetValue());
}
}
private void EmitMultiPolygon(MgGeometry geo, int extrude, double ht)
{
if (geo != null)
{
outString.Append("<GeometryCollection>");
MgMultiPolygon multiPolygon = (MgMultiPolygon)geo;
for (int i = 0; i < multiPolygon.GetCount(); i++)
{
EmitPolygon(multiPolygon.GetPolygon(i), extrude, ht);
}
outString.Append("</GeometryCollection>");
}
}
private void btnRectangle_Click(object sender, EventArgs e)
{
_viewer.DigitizeRectangle((llx, lly, urx, ury) =>
{
ClearFilterGeometry();
_filterGeometry = _wktRw.Read(Util.MakeWktPolygon(llx, lly, urx, ury));
lblSpatialFilterGeomSet.Visible = true;
});
}
