public void Execute(IPlatformFactory factory, ITestLogger logger)
{
string coordsys = "GEOGCS[\"LL84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9108\"]],AXIS[\"Lat\",NORTH],AXIS[\"Long\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]";
MgEnvelope env = new MgEnvelope(10, 10, 20, 20);
MgMapBase map1 = factory.CreateMap(coordsys, env, "map1");
MgMapBase map2 = factory.CreateMap(coordsys, env, "map2");
MgMapBase map3 = factory.CreateMap(coordsys, env, "map3");
MgMapBase map4 = factory.CreateMap(coordsys, env, "map4");
MgMapCollection coll = new MgMapCollection();
coll.Add(map1);
coll.Insert(1, map2);
coll.Add(map3);
Assert.AreEqual(3, coll.Count);
Assert.AreEqual(coll[2].GetName(), "map3");
coll[1] = map4;
string txt = "";
foreach (MgMapBase map in coll)
{
txt += "[" + map.GetName() + "]";
}
Assert.AreEqual("[map1][map4][map3]", txt);
}
private void OnLineDigitized(double x1, double y1, double x2, double y2)
{
MgMapBase map = mgMapViewer1.GetMap();
//Create a coordiante system from the map's SRS
MgCoordinateSystemFactory csFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem mapCs = csFactory.Create(map.GetMapSRS());
//Invoke the appropriate measure method depending on the type
//of coordinate system
double dist = 0.0;
if (mapCs.GetType() == MgCoordinateSystemType.Geographic)
{
dist = mapCs.MeasureGreatCircleDistance(x1, y1, x2, y2);
}
else
{
dist = mapCs.MeasureEuclideanDistance(x1, y1, x2, y2);
}
//Convert this distance to meters
dist = mapCs.ConvertCoordinateSystemUnitsToMeters(dist);
MessageBox.Show("Distance is: " + dist + " meters");
}
private void btnLayerVisibility_Click(object sender, EventArgs e)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
new LayerVisibilityDialog(layers).ShowDialog();
}
internal RedlineLayer[] GetAvailableLayers(MgMapBase map)
{
var fsId = GetRegistryFeatureSource();
MgLayerCollection mapLayers = map.GetLayers();
List <RedlineLayer> layers = new List <RedlineLayer>();
MgFeatureReader reader = null;
try
{
reader = _featSvc.SelectFeatures(fsId, "Default:MarkupRegistry", null);
while (reader.ReadNext())
{
layers.Add(new RedlineLayer(reader.GetString("Name"),
reader.GetString("ResourceId"),
reader.GetString("LayerDefinition"),
reader.GetInt32("GeometryTypes"),
(RedlineStylizationType)reader.GetInt32("StyleType")));
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
return(layers.ToArray());
}
protected virtual void DisposeExistingMap()
{
if (_map != null)
{
_map.Dispose();
_map = null;
}
}
private void btnDisplaySpatialReference_Click(object sender, EventArgs e)
{
MgMapBase map = _viewer.GetMap();
MgResourceIdentifier resId = map.MapDefinition;
string mapSrs = map.GetMapSRS();
MessageBox.Show("Map: (" + resId.ToString() + ") uses this reference system: " + Environment.NewLine + Environment.NewLine + mapSrs);
}
protected virtual void DisposeExistingMap()
{
if (_map != null)
{
_map.Dispose();
_map = null;
}
}
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();
}
public MgLegendControlPresenter(ILegendView legend, MgMapViewerProvider provider)
{
_legend = legend;
_provider = provider;
_map = _provider.GetMap();
InitInitialSelectabilityStates();
_resSvc = (MgResourceService)_provider.CreateService(MgServiceType.ResourceService);
_selectableIcon = Properties.Resources.lc_select;
_unselectableIcon = Properties.Resources.lc_unselect;
}
public RedlineManager(IMapViewer viewer)
{
_map = viewer.GetMap();
_viewer = viewer;
var provider = _viewer.GetProvider();
_resSvc = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
_featSvc = (MgFeatureService)provider.CreateService(MgServiceType.FeatureService);
_registry = new RedlineRegistry(SessionID, _resSvc, _featSvc);
}
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();
}
public void LoadMap(MgMapBase map)
{
if (map == null)
return;
DisposeExistingMap();
_map = map;
OnNewMapLoaded(map);
var h = this.MapLoaded;
if (h != null)
h(this, EventArgs.Empty);
}
private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
MgMapViewerProvider provider = _viewer.GetProvider();
MgSelectionBase selection = _viewer.GetSelection();
MgMapBase map = _viewer.GetMap();
MgPoint pt = map.ViewCenter;
MgCoordinate coord = pt.Coordinate;
float leftMargin = e.MarginBounds.Left;
float topMargin = e.MarginBounds.Top;
float yPos = topMargin;
float pageHeight = e.MarginBounds.Height;
//Write title
var titleFont = new Font(FontFamily.GenericSansSerif, 18.0f, GraphicsUnit.Point);
var sizeTitle = e.Graphics.MeasureString(txtTitle.Text, titleFont);
e.Graphics.DrawString(txtTitle.Text, titleFont, Brushes.Black, new PointF(leftMargin, yPos));
yPos += (sizeTitle.Height * 1.1f);
var scaleFont = SystemFonts.CaptionFont;
var scaleStr = string.Format("{0} 1 : {1}", Strings.TextScale, _viewer.GetMap().ViewScale); //NOXLATE
var sizeScale = e.Graphics.MeasureString(scaleStr, scaleFont);
//Scale to fit within this page
var imgHeight = (int)(pageHeight - (sizeTitle.Height * 1.1f) - (sizeScale.Height * 1.1f));
var imgWidth = e.MarginBounds.Width;
using (var state = provider.CreateTransientState())
{
var tempState = new MgMapDisplayParameters(coord.X, coord.Y, map.ViewScale, imgWidth, imgHeight, (int)numDPI.Value);
state.PushState(tempState);
MgByteReader br = provider.RenderMap(selection, "PNG"); //NOXLATE
using (MgReadOnlyStream stream = new MgReadOnlyStream(br))
{
Image img = Image.FromStream(stream);
e.Graphics.DrawImage(img, leftMargin, yPos, imgWidth, imgHeight);
img.Dispose();
}
}
yPos += imgHeight;
//Render scale
if (chkScale.Checked)
{
e.Graphics.DrawString(scaleStr, scaleFont, Brushes.Black, new PointF(leftMargin, yPos));
}
e.HasMorePages = false;
}
public static String MakeUniqueLayerName(MgMapBase map, String layerName, String themeName)
{
String desiredName = "_" + layerName + themeName; //NOXLATE
String uniqueName = desiredName;
int index = 1;
var layers = map.GetLayers();
while (layers.Contains(uniqueName))
{
uniqueName = desiredName + index.ToString();
index++;
}
return(uniqueName);
}
private void btnListLayerGroups_Click(object sender, EventArgs e)
{
MgMapBase map = _viewer.GetMap();
MgResourceIdentifier resId = map.MapDefinition;
MgLayerGroupCollection groups = map.GetLayerGroups();
List <string> results = new List <string>();
for (int i = 0; i < groups.GetCount(); i++)
{
MgLayerGroup group = groups.GetItem(i);
results.Add(group.Name + " (" + group.LegendLabel + ")");
}
MessageBox.Show("Map (" + resId.ToString() + ") has " + groups.GetCount() + " layers: " + Environment.NewLine + Environment.NewLine + string.Join(Environment.NewLine, results.ToArray()));
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgMapBase mb = new MgMapBase();
Assert.AreEqual("", mb.Name);
Assert.AreEqual("", mb.SessionId);
Assert.IsNull(mb.MapDefinition);
Assert.AreEqual("", mb.MapSRS);
Assert.IsNull(mb.MapExtent);
Assert.IsNull(mb.ViewCenter);
Assert.AreEqual(1.0, mb.ViewScale);
Assert.IsNull(mb.DataExtent);
Assert.AreEqual(96, mb.DisplayDpi);
Assert.AreEqual(0, mb.DisplayWidth);
Assert.AreEqual(0, mb.DisplayHeight);
Assert.AreEqual(0, mb.FiniteDisplayScaleCount);
}
public void LoadMap(MgMapBase map)
{
if (map == null)
{
return;
}
DisposeExistingMap();
_map = map;
OnNewMapLoaded(map);
var h = this.MapLoaded;
if (h != null)
{
h(this, EventArgs.Empty);
}
}
public override void Execute(IPlatformFactory factory, ITestLogger logger)
{
try
{
MgResourceService resSvc = (MgResourceService)factory.CreateService(MgServiceType.ResourceService);
var root = "../../TestData/TileService/";
LoadResource(resSvc, "Library://UnitTests/Data/RoadCenterLines.FeatureSource", root + "UT_RoadCenterLines.fs");
LoadResourceData(resSvc, "Library://UnitTests/Data/RoadCenterLines.FeatureSource", "UT_RoadCenterLines.sdf", MgResourceDataType.File, root + "UT_RoadCenterLines.sdf");
LoadResource(resSvc, "Library://UnitTests/Layers/RoadCenterLines.LayerDefinition", root + "UT_RoadCenterLines.ldf");
LoadResource(resSvc, "Library://UnitTests/Data/VotingDistricts.FeatureSource", root + "UT_VotingDistricts.fs");
LoadResourceData(resSvc, "Library://UnitTests/Data/VotingDistricts.FeatureSource", "UT_VotingDistricts.sdf", MgResourceDataType.File, root + "UT_VotingDistricts.sdf");
LoadResource(resSvc, "Library://UnitTests/Layers/VotingDistricts.LayerDefinition", root + "UT_VotingDistricts.ldf");
LoadResource(resSvc, "Library://UnitTests/Data/Parcels.FeatureSource", root + "UT_Parcels.fs");
LoadResourceData(resSvc, "Library://UnitTests/Data/Parcels.FeatureSource", "UT_Parcels.sdf", MgResourceDataType.File, root + "UT_Parcels.sdf");
LoadResource(resSvc, "Library://UnitTests/Layers/Parcels.LayerDefinition", root + "UT_Parcels.ldf");
byte[] tsd = Properties.Resources.UT_XYZ;
MgByteSource sourceTSD = new MgByteSource(tsd, tsd.Length);
MgByteReader contentTSD = sourceTSD.GetReader();
MgResourceIdentifier resTSD = new MgResourceIdentifier("Library://UnitTests/TileSets/Test.TileSetDefinition");
resSvc.SetResource(resTSD, contentTSD, null);
string mdf = Encoding.UTF8.GetString(Properties.Resources.UT_BaseMap);
mdf = string.Format(mdf, resTSD.ToString());
byte[] mdfBytes = Encoding.UTF8.GetBytes(mdf);
MgByteSource sourceMDF = new MgByteSource(mdfBytes, mdfBytes.Length);
MgByteReader contentMDF = sourceMDF.GetReader();
MgResourceIdentifier resMDF = new MgResourceIdentifier("Library://UnitTests/Maps/LinkedTileSet.MapDefinition");
resSvc.SetResource(resMDF, contentMDF, null);
//This should throw because making a MgMap from a Map Defintion that links to a XYZ tile set
//is not supported
MgMapBase map = factory.CreateMap(resMDF);
Assert.Fail("Expected MgUnsupportedTileProviderException to be thrown");
}
catch (MgUnsupportedTileProviderException)
{
}
}
private void btnRefreshLayersOnMap_Click(object sender, EventArgs e)
{
lstLayersOnMap.Clear();
var mgr = GetRedlineManager();
MgMapBase map = _component.Viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
foreach (var layer in mgr.GetAvailableLayers())
{
//Omit those not on the map
if (layers.IndexOf(layer.SystemName) < 0)
{
continue;
}
AddRedlineLayerOnMap(layer);
}
}
public DigitizingAndRedlining(IMapViewer viewer)
{
InitializeComponent();
_viewer = viewer;
_geomFact = new MgGeometryFactory();
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
this.Title = "Digitizing and Redlining";
_viewer.PropertyChanged += OnViewerPropertyChanged;
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
if (layers.IndexOf("Redline") >= 0)
{
_redlineLayer = (MgdLayer)layers.GetItem("Redline");
}
CheckDigitizingState();
}
public static string GetMapSrs(MgMapBase map)
{
try
{
String srs = map.GetMapSRS();
if (srs != string.Empty)
{
return(srs);
}
}
catch (MgException)
{
}
//No SRS, set to ArbitrayXY meters
//
return("LOCALCS[\"Non-Earth (Meter)\",LOCAL_DATUM[\"Local Datum\",0],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]"); //NOXLATE
}
public InteractingWithLayers(IMapViewer viewer)
{
InitializeComponent();
_viewer = viewer;
this.Title = "Interacting With Layers";
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
if (layers.IndexOf("Roads") >= 0 && layers.IndexOf("Streets") < 0)
{
btnRenameRoadsLayer.Text = "Rename Roads Layer to Streets";
}
else if (layers.IndexOf("Roads") < 0 && layers.IndexOf("Streets") >= 0)
{
btnRenameRoadsLayer.Text = "Rename Streets Layer to Roads";
}
}
protected void CreateMapFromResource(int paramSetId)
{
if (_map != null)
{
return;
}
_unitTestVm.Execute("Select ParamValue from Params WHERE ParamSet={0} AND ParamName=\"MAPDEFINITION\"", paramSetId);
string mapName = _unitTestVm.GetString("ParamValue");
if (string.IsNullOrEmpty(mapName))
{
mapName = "Library://maplayertest/World.MapDefinition";
}
MgResourceIdentifier mdfId = new MgResourceIdentifier(mapName);
_map = _creator.CreateMap(mdfId);
}
internal void UpdateRedlineText(string text, int[] ids)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase redlineLayer = layers.GetItem(_layer.SystemName);
//HACK: Workaround FeatId leaky abstraction in SHP provider
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
List <string> filters = new List <string>();
foreach (int id in ids)
{
filters.Add(idProp.Name + " = " + id);
}
string updateFilter = string.Join(" OR ", filters.ToArray());
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgPropertyCollection updateValues = new MgPropertyCollection();
MgStringProperty updateProp = new MgStringProperty(RedlineSchemaFactory.TEXT_NAME, text);
updateValues.Add(updateProp);
MgUpdateFeatures update = new MgUpdateFeatures(redlineLayer.FeatureClassName, updateValues, updateFilter);
commands.Add(update);
MgPropertyCollection result = redlineLayer.UpdateFeatures(commands);
MgInt32Property updateResult = result.GetItem(0) as MgInt32Property;
MgStringProperty errorResult = result.GetItem(0) as MgStringProperty;
if (errorResult != null)
{
throw new Exception(errorResult.GetValue());
}
_viewer.RefreshMap();
}
private void btnRenameRoadsLayer_Click(object sender, EventArgs e)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
bool bRefresh = false;
if (layers.IndexOf("Roads") >= 0)
{
MgLayerBase roads = layers.GetItem("Roads");
roads.Name = "Streets";
roads.LegendLabel = "Streets";
MessageBox.Show("Layer (Roads) has been changed to (Streets)");
btnRenameRoadsLayer.Text = "Rename Streets Layer to Roads";
bRefresh = true;
}
else if (layers.IndexOf("Streets") >= 0)
{
MgLayerBase streets = layers.GetItem("Streets");
streets.Name = "Roads";
streets.LegendLabel = "Roads";
MessageBox.Show("Layer (Streets) has been changed to (Roads)");
btnRenameRoadsLayer.Text = "Rename Roads Layer to Streets";
bRefresh = true;
}
if (bRefresh)
{
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
public IEnumerable <RedlineObject> GetAllFeatures()
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase redlineLayer = layers.GetItem(_layer.SystemName);
MgResourceIdentifier resId = new MgResourceIdentifier(redlineLayer.GetFeatureSourceId());
MgFeatureReader reader = null;
try
{
reader = _featSvc.SelectFeatures(resId, RedlineSchemaFactory.CLASS_NAME, null);
//HACK: Another leaky abstraction. SHP will always choose FeatId, so once again
//use the class definition to determine the identity property name
MgClassDefinition cls = reader.GetClassDefinition();
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
MgPropertyDefinition keyProp = idProps.GetItem(0);
string idName = keyProp.GetName();
while (reader.ReadNext())
{
int id = reader.GetInt32(idName);
string text = reader.IsNull(RedlineSchemaFactory.TEXT_NAME) ? string.Empty : reader.GetString(RedlineSchemaFactory.TEXT_NAME);
yield return(new RedlineObject(id, text));
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
internal void DeleteRedlines(int[] ids)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase redlineLayer = layers.GetItem(_layer.SystemName);
//HACK: Workaround FeatId leaky abstraction in SHP provider
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
List <string> filters = new List <string>();
foreach (int id in ids)
{
filters.Add(idProp.Name + " = " + id);
}
string deleteFilter = string.Join(" OR ", filters.ToArray());
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgDeleteFeatures delete = new MgDeleteFeatures(redlineLayer.FeatureClassName, deleteFilter);
commands.Add(delete);
MgPropertyCollection result = redlineLayer.UpdateFeatures(commands);
MgInt32Property deleteResult = result.GetItem(0) as MgInt32Property;
if (deleteResult != null && deleteResult.GetValue() > 0)
{
_viewer.RefreshMap();
}
}
public abstract MgTransientMapState CreateTransientState(MgMapBase map);
protected MgMapViewerProvider(MgMapBase map)
{
SubInit();
LoadMap(map);
}
private void btnCreateBuffer_Click(object sender, EventArgs e)
{
MgSelectionBase selection = _viewer.GetSelection();
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers == null)
{
MessageBox.Show("Select a parcel");
return;
}
MgLayerBase parcels = null;
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayerBase layer = layers.GetItem(i);
if (layer.Name == "Parcels")
{
parcels = layer;
break;
}
}
if (parcels == null)
{
MessageBox.Show("Select a parcel");
return;
}
int bufferRingSize = 100; // measured in metres
int bufferRingCount = 5;
// Set up some objects for coordinate conversion
MgMapBase map = _viewer.GetMap();
MgLayerCollection mapLayers = map.GetLayers();
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//Casting to MgdFeatureService because we want to use convenience APIs
MgFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
String mapWktSrs = map.GetMapSRS();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgCoordinateSystemFactory coordinateSystemFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem srs = coordinateSystemFactory.Create(mapWktSrs);
MgMeasure srsMeasure = srs.GetMeasure();
string sessionId = Guid.NewGuid().ToString();
BufferHelper helper = new BufferHelper();
// Check for a buffer layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the buffer.
MgdLayer bufferLayer = null;
int layerIndex = mapLayers.IndexOf("Buffer");
if (layerIndex < 0)
{
// The layer does not exist and must be created.
MgResourceIdentifier bufferFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.FeatureSource");
helper.CreateBufferFeatureSource(featureService, mapWktSrs, bufferFeatureResId);
bufferLayer = helper.CreateBufferLayer(resourceService, bufferFeatureResId, sessionId);
mapLayers.Insert(0, bufferLayer);
}
else
{
bufferLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
bufferLayer.DeleteFeatures("ID like '%'");
}
// Get the selected features from the MgSelection object
MgFeatureReader featureReader = selection.GetSelectedFeatures(parcels, parcels.GetFeatureClassName(), false);
// Process each item in the MgFeatureReader. Get the
// geometries from all the selected features and
// merge them into a single geometry.
MgGeometryCollection inputGeometries = new MgGeometryCollection();
while (featureReader.ReadNext())
{
MgByteReader featureGeometryData = featureReader.GetGeometry(parcels.GetFeatureGeometryName());
MgGeometry featureGeometry = agfReaderWriter.Read(featureGeometryData);
inputGeometries.Add(featureGeometry);
}
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgGeometry mergedGeometries = geometryFactory.CreateMultiGeometry(inputGeometries);
// Add buffer features to the temporary feature source.
// Create multiple concentric buffers to show area.
// If the stylization for the layer draws the features
// partially transparent, the concentric rings will be
// progressively darker towards the center.
// The stylization is set in the layer template file, which
// is used in function CreateBufferLayer().
for (int bufferRing = 0; bufferRing < bufferRingCount; bufferRing++)
{
double bufferDist = srs.ConvertMetersToCoordinateSystemUnits(bufferRingSize * (bufferRing + 1));
MgGeometry bufferGeometry = mergedGeometries.Buffer(bufferDist, srsMeasure);
MgPropertyCollection properties = new MgPropertyCollection();
properties.Add(new MgGeometryProperty("BufferGeometry", agfReaderWriter.Write(bufferGeometry)));
MgFeatureReader fr = bufferLayer.InsertFeatures(properties);
fr.Close();
}
bufferLayer.SetVisible(true);
bufferLayer.ForceRefresh();
bufferLayer.SetDisplayInLegend(true);
MessageBox.Show("Buffer created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
protected virtual void OnNewMapLoaded(MgMapBase map) { }
public void LoadMap(MgMapBase map)
{
if (_provider == null)
throw new InvalidOperationException(Strings.ErrorViewerNotInitialized);
_provider.LoadMap(map);
}
private void btnFindFeaturesInBuffer_Click(object sender, EventArgs e)
{
MgSelectionBase selection = _viewer.GetSelection();
MgReadOnlyLayerCollection selectedLayers = selection.GetLayers();
if (selectedLayers == null)
{
MessageBox.Show("Select a parcel");
return;
}
MgLayerBase parcels = null;
for (int i = 0; i < selectedLayers.GetCount(); i++)
{
MgLayerBase layer = selectedLayers.GetItem(i);
if (layer.Name == "Parcels")
{
parcels = layer;
break;
}
}
if (parcels == null)
{
MessageBox.Show("Select a parcel");
return;
}
int bufferRingSize = 500; // measured in metres
// Set up some objects for coordinate conversion
MgMapBase map = _viewer.GetMap();
MgLayerCollection mapLayers = map.GetLayers();
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//Casting to MgdFeatureService because we want to use convenience APIs
MgFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
string sessionId = Guid.NewGuid().ToString();
String mapWktSrs = map.GetMapSRS();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgCoordinateSystemFactory coordinateSystemFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem srs = coordinateSystemFactory.Create(mapWktSrs);
MgMeasure srsMeasure = srs.GetMeasure();
// Check for a buffer layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the buffer.
BufferHelper helper = new BufferHelper();
MgdLayer bufferLayer = null;
int layerIndex = map.GetLayers().IndexOf("Buffer");
if (layerIndex < 0)
{
// The layer does not exist and must be created.
MgResourceIdentifier bufferFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.FeatureSource");
helper.CreateBufferFeatureSource(featureService, mapWktSrs, bufferFeatureResId);
bufferLayer = helper.CreateBufferLayer(resourceService, bufferFeatureResId, sessionId);
map.GetLayers().Insert(0, bufferLayer);
}
else
{
bufferLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
bufferLayer.DeleteFeatures("ID like '%'");
}
// Check for a parcel marker layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the parcel markers.
MgdLayer parcelMarkerLayer = null;
layerIndex = map.GetLayers().IndexOf("ParcelMarker");
if (layerIndex < 0)
{
MgResourceIdentifier parcelFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//ParcelMarker.FeatureSource");
helper.CreateParcelMarkerFeatureSource(featureService, mapWktSrs, parcelFeatureResId);
parcelMarkerLayer = helper.CreateParcelMarkerLayer(resourceService, parcelFeatureResId, sessionId);
map.GetLayers().Insert(0, parcelMarkerLayer);
}
else
{
parcelMarkerLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
parcelMarkerLayer.DeleteFeatures("ID like '%'");
}
// Check each layer in the selection.
for (int i = 0; i < selectedLayers.GetCount(); i++)
{
// Only check selected features in the Parcels layer.
MgdLayer layer = (MgdLayer)selectedLayers.GetItem(i);
if (layer.GetName() == "Parcels")
{
string geomName = layer.GetFeatureGeometryName();
System.Diagnostics.Trace.TraceInformation("Marking all parcels inside the buffer that are of type 'MFG'");
MgFeatureReader featureReader = selection.GetSelectedFeatures(layer, layer.GetFeatureClassName(), false);
// Process each item in the MgFeatureReader. Get the
// geometries from all the selected features and
// merge them into a single geometry.
MgGeometryCollection inputGeometries = new MgGeometryCollection();
while (featureReader.ReadNext())
{
MgByteReader featureGeometryData = featureReader.GetGeometry(geomName);
MgGeometry featureGeometry = agfReaderWriter.Read(featureGeometryData);
inputGeometries.Add(featureGeometry);
}
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgGeometry mergedGeometries = geometryFactory.CreateMultiGeometry(inputGeometries);
// Create a buffer from the merged geometries
double bufferDist = srs.ConvertMetersToCoordinateSystemUnits(bufferRingSize);
MgGeometry bufferGeometry = mergedGeometries.Buffer(bufferDist, srsMeasure);
// Create a filter to select parcels within the buffer. Combine
// a basic filter and a spatial filter to select all parcels
// within the buffer that are of type "MFG".
MgFeatureQueryOptions queryOptions = new MgFeatureQueryOptions();
queryOptions.SetFilter("RTYPE = 'MFG'");
queryOptions.SetSpatialFilter(geomName, bufferGeometry, MgFeatureSpatialOperations.Inside);
featureReader = layer.SelectFeatures(queryOptions);
// Get the features from the feature source,
// determine the centroid of each selected feature, and
// add a point to the ParcelMarker layer to mark the
// centroid.
// Collect all the points into an MgFeatureCommandCollection,
// so they can all be added in one operation.
MgFeatureCommandCollection parcelMarkerCommands = new MgFeatureCommandCollection();
int inserted = 0;
while (featureReader.ReadNext())
{
MgByteReader byteReader = featureReader.GetGeometry(geomName);
MgGeometry geometry = agfReaderWriter.Read(byteReader);
MgPoint point = geometry.GetCentroid();
// Create an insert command for this parcel.
MgPropertyCollection properties = new MgPropertyCollection();
properties.Add(new MgGeometryProperty("ParcelLocation", agfReaderWriter.Write(point)));
//parcelMarkerCommands.Add(new MgInsertFeatures("ParcelMarkerClass", properties));
MgFeatureReader fr = parcelMarkerLayer.InsertFeatures(properties);
fr.Close();
inserted++;
}
featureReader.Close();
if (inserted == 0)
{
MessageBox.Show("No parcels within the buffer area match.");
return;
}
// Create a feature in the buffer feature source to show the area covered by the buffer.
MgPropertyCollection props = new MgPropertyCollection();
props.Add(new MgGeometryProperty("BufferGeometry", agfReaderWriter.Write(bufferGeometry)));
bufferLayer.InsertFeatures(props);
// Ensure that the buffer layer is visible and in the legend.
bufferLayer.SetVisible(true);
bufferLayer.ForceRefresh();
bufferLayer.SetDisplayInLegend(true);
parcelMarkerLayer.SetVisible(true);
parcelMarkerLayer.ForceRefresh();
MessageBox.Show("Done");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
}
public void MapBase()
{
MgMapBase mb = new MgMapBase();
Assert.AreEqual("", mb.Name);
Assert.AreEqual("", mb.SessionId);
Assert.IsNull(mb.MapDefinition);
Assert.AreEqual("", mb.MapSRS);
Assert.IsNull(mb.MapExtent);
Assert.IsNull(mb.ViewCenter);
Assert.AreEqual(1.0, mb.ViewScale);
Assert.IsNull(mb.DataExtent);
Assert.AreEqual(96, mb.DisplayDpi);
Assert.AreEqual(0, mb.DisplayWidth);
Assert.AreEqual(0, mb.DisplayHeight);
Assert.AreEqual(0, mb.FiniteDisplayScaleCount);
}
public static String MakeUniqueLayerName(MgMapBase map, String layerName, String themeName)
{
String desiredName = "_" + layerName + themeName; //NOXLATE
String uniqueName = desiredName;
int index = 1;
var layers = map.GetLayers();
while (layers.Contains(uniqueName))
{
uniqueName = desiredName + index.ToString();
index++;
}
return uniqueName;
}
protected MgMapViewerProvider(MgMapBase map)
{
SubInit();
LoadMap(map);
}
protected override void OnNewMapLoaded(MgMapBase map)
{
_implMap = (MgdMap)map;
}
public abstract MgTransientMapState CreateTransientState(MgMapBase map);
protected virtual void OnNewMapLoaded(MgMapBase map)
{
}
internal RedlineLayer[] GetAvailableLayers(MgMapBase map)
{
var fsId = GetRegistryFeatureSource();
MgLayerCollection mapLayers = map.GetLayers();
List<RedlineLayer> layers = new List<RedlineLayer>();
MgFeatureReader reader = null;
try
{
reader = _featSvc.SelectFeatures(fsId, "Default:MarkupRegistry", null);
while (reader.ReadNext())
{
layers.Add(new RedlineLayer(reader.GetString("Name"),
reader.GetString("ResourceId"),
reader.GetString("LayerDefinition"),
reader.GetInt32("GeometryTypes"),
(RedlineStylizationType)reader.GetInt32("StyleType")));
}
}
finally
{
if (reader != null)
reader.Close();
}
return layers.ToArray();
}
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 GetMapSrs(MgMapBase map)
{
try
{
String srs = map.GetMapSRS();
if (srs != string.Empty)
return srs;
}
catch (MgException)
{
}
//No SRS, set to ArbitrayXY meters
//
return "LOCALCS[\"Non-Earth (Meter)\",LOCAL_DATUM[\"Local Datum\",0],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]"; //NOXLATE
}
public override MgTransientMapState CreateTransientState(MgMapBase map)
{
return new MgdTransientMapState((MgdMap)map);
}
private void OnMapSetOnProvider(object sender, EventArgs e)
{
_hasTiledLayers = null;
_map = _provider.GetMap();
_mapCs = _provider.GetMapCoordinateSystem();
_mapMeasure = _mapCs.GetMeasure();
var bgColor = _map.GetBackgroundColor();
if (bgColor.Length == 8 || bgColor.Length == 6)
{
_mapBgColor = ColorTranslator.FromHtml("#" + bgColor); //NOXLATE
this.BackColor = _mapBgColor;
}
_provider.SetDisplaySize(this.Width, this.Height);
_selection = _provider.CreateSelectionForMap();
var env = _map.GetMapExtent();
var ll = env.LowerLeftCoordinate;
var ur = env.UpperRightCoordinate;
_extX1 = _orgX1 = ll.X;
_extY2 = _orgY2 = ll.Y;
_extX2 = _orgX2 = ur.X;
_extY1 = _orgY1 = ur.Y;
if ((_orgX1 - _orgX2) == 0 || (_orgY1 - _orgY2) == 0)
{
_extX1 = _orgX1 = -.1;
_extY2 = _orgX2 = .1;
_extX2 = _orgY1 = -.1;
_extY1 = _orgY2 = .1;
}
if (this.ConvertTiledGroupsToNonTiled)
{
var groups = _map.GetLayerGroups();
for (int i = 0; i < groups.GetCount(); i++)
{
var group = groups.GetItem(i);
_provider.MakeGroupNormal(group);
}
}
#if VIEWER_DEBUG
CreateDebugFeatureSource();
#endif
this.Focus();
//Reset history stack
_viewHistory.Clear();
OnPropertyChanged("ViewHistory"); //NOXLATE
_viewHistoryIndex = -1;
OnPropertyChanged("ViewHistoryIndex"); //NOXLATE
var handler = this.MapLoaded;
if (handler != null)
handler(this, EventArgs.Empty);
InitialMapView();
}
