static void Main(string[] args)
{
MgdPlatform.Initialize("Platform.ini");
string currentDir = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
//Test mapguide-api-base
MgCoordinateSystemFactory csFact = new MgCoordinateSystemFactory();
Console.WriteLine("Testing coordinate system categories");
MgStringCollection csCategories = csFact.EnumerateCategories();
for (int i = 0; i < csCategories.GetCount(); i++)
{
Console.WriteLine(csCategories.GetItem(i));
}
//Test mg-desktop
MgdServiceFactory serviceFact = new MgdServiceFactory();
Console.Write("Can we create a MgdFeatureService? ");
MgdFeatureService featSvc = (MgdFeatureService)serviceFact.CreateService(MgServiceType.FeatureService);
Console.WriteLine("yes");
Console.Write("Can we create a MgdResourceService? ");
MgdResourceService resSvc = (MgdResourceService)serviceFact.CreateService(MgServiceType.ResourceService);
Console.WriteLine("yes");
MgdPlatform.Terminate();
Console.WriteLine("Things look all good :) Press any key to continue");
Console.Read();
}
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");
}
/// <summary>
/// Node GetListOfMAPCSLIBRAR for export to LSP file naming of coordinate systems (all library)
/// </summary>
/// <param name="CS_value">Name of type "CoordinateSystem"</param>
/// <param name="CS_Agree">Permit to add other associated definitions</param>
/// <param name="Folder_Path">Directory path to save LSP file</param>
public static void GetAllOfMAPCSLIBRARY(string Folder_Path, string CS_value, string CS_Agree)
{
StringBuilder sb = new StringBuilder();
var guid = Guid.NewGuid();
string writePath = $@"{Folder_Path}\{guid}.lsp";
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
MgCoordinateSystemCatalog csCatalog = coordSysFactory.GetCatalog();
MgCoordinateSystemDictionary csDict = csCatalog.GetCoordinateSystemDictionary();
MgCoordinateSystemEnum csDictEnum = csDict.GetEnum();
int csCount = csDict.GetSize();
sb.AppendLine(@"(command ""MAPCSLIBRARYEXPORT""");
MgStringCollection csNames = csDictEnum.NextName(csCount);
string csName = null;
for (int i = 0; i < csCount; i++)
{
csName = csNames.GetItem(i);
sb.AppendLine($@"""{csName.ToString()}""" + " " + $"\"{CS_value}\"");
}
string space = " ";
sb.AppendLine(" " + $@"""{space}""" + " " + $@"""{CS_Agree}""" + " " + @"""""" + ")");
using (StreamWriter export_file = new StreamWriter(writePath, true, Encoding.UTF8))
{
export_file.Write(sb.ToString());
}
}
/// <summary>
/// Coordinate transformation between two world coordinate systems
/// This Version works with coordinates as X, Y doubles
/// </summary>
/// <param name="wkTextSource">The wk text source.</param>
/// <param name="wkTextTarget">The wk text target.</param>
/// <param name="inputPointX">The input point X.</param>
/// <param name="inputPointY">The input point Y.</param>
/// <param name="transformedPointX">The transformed point X.</param>
/// <param name="transformedPointY">The transformed point Y.</param>
/// <returns></returns>
public static bool TransformPoint2d(string wkTextSource, string wkTextTarget, double inputPointX, double inputPointY, ref double transformedPointX, ref double transformedPointY)
{
bool RetVal = false;
//_logger.Debug("Start TransformPoint2d");
try
{
//Creating coordinate system factory
MgCoordinateSystemFactory CSFactory = new MgCoordinateSystemFactory();
//Creating coordinate system objects
MgCoordinateSystem SourceCS = CSFactory.Create(wkTextSource);
MgCoordinateSystem TargetCS = CSFactory.Create(wkTextTarget);
//Creating geometry factory
MgGeometryFactory GeomFactory = new MgGeometryFactory();
//Populating geometry factory CreateCoordinateXY
MgCoordinate SourceCoord = GeomFactory.CreateCoordinateXY(inputPointX, inputPointY);
//Getting transformation definition
MgCoordinateSystemTransform CSTransform = CSFactory.GetTransform(SourceCS, TargetCS);
//Transforming coordinate
MgCoordinate TargetCoord = CSTransform.Transform(SourceCoord);
//Populating return coordinate objects
transformedPointX = TargetCoord.X;
transformedPointY = TargetCoord.Y;
RetVal = true;
}
catch (System.Exception ex)
{
//_logger.Error("Error in TransformPoint2d", ex);
throw;
}
//_logger.Debug("End TransformPoint2d");
return(RetVal);
}
public static Dictionary <string, object> GetListAndCountOfCategories() //Работает!
{
var guid = Guid.NewGuid();
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
MgCoordinateSystemCatalog csCatalog = coordSysFactory.GetCatalog();
MgCoordinateSystemCategoryDictionary csDictCat = csCatalog.GetCategoryDictionary();
MgCoordinateSystemEnum csDictCatEnum = csDictCat.GetEnum();
int csCatCount = csDictCat.GetSize();
MgStringCollection csCatNames = csDictCatEnum.NextName(csCatCount);
string csCategoryName = null;
List <string> csCatNamesL = new List <string>();
for (int i3 = 0; i3 < csCatCount; i3++)
{
csCategoryName = csCatNames.GetItem(i3);
csCatNamesL.Add(csCategoryName);
}
return(new Dictionary <string, object>
{
{ "CatCount", csCatCount },
{ "CatList", csCatNamesL },
});
}
static void Main(string[] args)
{
MgdPlatform.Initialize("Platform.ini");
string currentDir = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
//Test mapguide-api-base
MgCoordinateSystemFactory csFact = new MgCoordinateSystemFactory();
Console.WriteLine("Testing coordinate system categories");
MgStringCollection csCategories = csFact.EnumerateCategories();
for (int i = 0; i < csCategories.GetCount(); i++)
{
Console.WriteLine(csCategories.GetItem(i));
}
//Test mg-desktop
MgdServiceFactory serviceFact = new MgdServiceFactory();
Console.Write("Can we create a MgdFeatureService? ");
MgdFeatureService featSvc = (MgdFeatureService)serviceFact.CreateService(MgServiceType.FeatureService);
Console.WriteLine("yes");
Console.Write("Can we create a MgdResourceService? ");
MgdResourceService resSvc = (MgdResourceService)serviceFact.CreateService(MgServiceType.ResourceService);
Console.WriteLine("yes");
MgdPlatform.Terminate();
Console.WriteLine("Things look all good :) Press any key to continue");
Console.Read();
}
internal LocalNativeSimpleTransform(string sourceWkt, string targetWkt)
{
var fact = new MgCoordinateSystemFactory();
var source = fact.Create(sourceWkt);
var target = fact.Create(targetWkt);
_trans = fact.GetTransform(source, target);
}
/// <summary>
/// Node RenameCurrentCategory rename Category form MapCSLibrary
/// </summary>
/// <param name="new_cat_name"></param>
/// <param name="old_cat_name"></param>
public static void RenameCurrentCategory(string new_cat_name, string old_cat_name) //Работает!
{
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
MgCoordinateSystemCatalog csCatalog = coordSysFactory.GetCatalog();
MgCoordinateSystemCategoryDictionary csDictCat = csCatalog.GetCategoryDictionary();
csDictCat.Rename(old_cat_name, new_cat_name);
}
internal LocalNativeSimpleTransform(string sourceWkt, string targetWkt)
{
var fact = new MgCoordinateSystemFactory();
var source = fact.Create(sourceWkt);
var target = fact.Create(targetWkt);
_trans = fact.GetTransform(source, target);
}
string pointTransformAndWriteZ(string geom, MgMap map)
{
double[] x = new double[1];
double[] y = new double[1];
double[] z = new double[1];
MgWktReaderWriter wktrwdmr = new MgWktReaderWriter();
MgPoint cntr = wktrwdmr.Read(geom).Centroid;
x[0] = cntr.Coordinate.X;
y[0] = cntr.Coordinate.Y;
z[0] = 0;
StringBuilder output = new StringBuilder();
output.Append("<table width=\"100%\" class=\"results\">");
//WGS preko MG API
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
string wktFrom = map.GetMapSRS();
string wktTo = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCoordinateSystem CSSource = fact.Create(wktFrom);
MgCoordinateSystem CSTarget = fact.Create(wktTo);
MgCoordinateSystemTransform coordTransform = fact.GetTransform(CSSource, CSTarget);
MgGeometryFactory geomFact = new MgGeometryFactory();
// GK
//samo prvo višino zaenkrat, dokler ni enačbe za Z
output.Append(String.Format("<tr><td class='header'><b>Map koordinates:</b></td><td class=\"results\"><table><tr><td><b>Y:</b></td><td>{0}</td></tr><tr><td><b>X:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.0}", x[0]), string.Format("{0:0.0}", y[0])));
int i = 0;
//transformacija preko MG koordinatnega sistema
foreach (double pointX in x)
{
MgCoordinate coord = geomFact.CreateCoordinateXY(x[i], y[i]);
coord = coordTransform.Transform(coord);
x[i] = coord.X;
y[i] = coord.Y;
i++;
}
double[] xwgs = x;
double[] ywgs = y;
output.Append(String.Format("<tr><td class='header'><b>WGS84:</b></td><td class=\"results\"><table><tr><td><b>Lon:</b></td><td>{0}</td></tr><tr><td><b>Lat:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.000000}", xwgs[0]), string.Format("{0:0.000000}", ywgs[0])));
output.Append("</table>");
return(output.ToString());
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
MgCoordinateSystemCatalog cat = fact.GetCatalog();
cat.SetDictionaryDir(Path.Combine(Application.StartupPath, "Dictionaries"));
Application.Run(new MainForm(fact));
}
public void Preview(IResource res, IEditorService edSvc, string locale)
{
IMapDefinition mapDef = null;
var conn = edSvc.CurrentConnection;
if (res.ResourceType == ResourceTypes.LayerDefinition.ToString())
{
var ldf = (ILayerDefinition)res;
string wkt;
var env = ldf.GetSpatialExtent(conn, true, out wkt);
if (env == null)
{
throw new ApplicationException(Strings.CouldNotComputeExtentsForPreview);
}
mapDef = Utility.CreateMapDefinition(conn, "Preview");
mapDef.CoordinateSystem = wkt;
mapDef.SetExtents(env.MinX, env.MinY, env.MaxX, env.MaxY);
string resId = "Session:" + edSvc.SessionID + "//" + Guid.NewGuid() + "." + res.ResourceType.ToString();
conn.ResourceService.SetResourceXmlData(resId, ObjectFactory.Serialize(res));
mapDef.AddLayer(null, "PreviewLayer", resId);
}
else if (res.ResourceType == ResourceTypes.MapDefinition.ToString())
{
mapDef = (IMapDefinition)res;
}
else if (res.ResourceType == ResourceTypes.WatermarkDefinition.ToString())
{
string resId = "Session:" + edSvc.SessionID + "//" + Guid.NewGuid() + "." + res.ResourceType.ToString();
conn.ResourceService.SetResourceXmlData(resId, ObjectFactory.Serialize(res));
var csFact = new MgCoordinateSystemFactory();
var arbXY = csFact.ConvertCoordinateSystemCodeToWkt("XY-M");
mapDef = ObjectFactory.CreateMapDefinition(new Version(2, 3, 0), "Preview");
mapDef.CoordinateSystem = arbXY;
mapDef.SetExtents(-100000, -100000, 100000, 100000);
var wm = ((IMapDefinition2)mapDef).AddWatermark(((IWatermarkDefinition)res));
wm.ResourceId = resId;
}
var mapResId = new MgResourceIdentifier("Session:" + edSvc.SessionID + "//" + mapDef.ResourceType.ToString() + "Preview" + Guid.NewGuid() + "." + mapDef.ResourceType.ToString());
conn.ResourceService.SetResourceXmlData(mapResId.ToString(), ObjectFactory.Serialize(mapDef));
//MgdMap map = new MgdMap(mapResId);
//var diag = new MapPreviewWindow(map, conn);
//diag.ShowDialog();
var diag = new UI.MapPreviewWindow(conn);
diag.Init(mapResId);
diag.ShowDialog();
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
MgCoordinateSystemCatalog cat = fact.GetCatalog();
cat.SetDictionaryDir(Path.Combine(Application.StartupPath, "Dictionaries"));
Application.Run(new MainForm(fact));
}
private static void Main(string[] args)
{
if (args.Length == 1)
{
if (string.IsNullOrEmpty(Environment.GetEnvironmentVariable("MENTOR_DICTIONARY_PATH")))
{
var currentDir = Path.GetDirectoryName(new Uri(Assembly.GetExecutingAssembly().CodeBase).LocalPath);
var dictionaryDir = Path.Combine(currentDir, "Dictionaries");
if (Directory.Exists(dictionaryDir))
{
Environment.SetEnvironmentVariable("MENTOR_DICTIONARY_PATH", dictionaryDir, EnvironmentVariableTarget.Process);
}
else
{
Console.WriteLine("Error: Could not find CS-Map dictionary path");
}
}
MgCoordinateSystemFactory csFact = null;
MgCoordinateSystem cs = null;
try
{
csFact = new MgCoordinateSystemFactory();
cs = csFact.Create(args[0]);
double mpu = cs.ConvertCoordinateSystemUnitsToMeters(1.0);
Console.WriteLine(mpu);
cs.Dispose();
csFact.Dispose();
}
catch (MgException ex)
{
Console.WriteLine(ex.Message);
ex.Dispose();
}
finally
{
if (cs != null)
{
cs.Dispose();
}
if (csFact != null)
{
csFact.Dispose();
}
}
}
else
{
Console.WriteLine("Error: Insufficient arguments. Usage: MpuCalc.exe [Coord sys WKT]");
}
}
// Create a temporary Feature Source to store geocode results.
public void CreateLocationMarkerFeatureSource(MgFeatureService featureService, MgResourceIdentifier locationMarkerDataResId, MgMap map)
{
//String ll84Wkt = "GEOGCS[\"LL84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.25722293287],TOWGS84[0,0,0,0,0,0,0]],PRIMEM[\"Greenwich\",0],UNIT[\"Degrees\",1]]";
//string ll84Wkt = "LOCAL_CS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]] ";
MgCoordinateSystemFactory sysCoordsFactory = new MgCoordinateSystemFactory();
string srsDefMap = map.GetMapSRS();
string mapSrsUnits = string.Empty;
srsDefMap = !string.IsNullOrEmpty(srsDefMap) ? srsDefMap : "LOCAL_CS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]] ";
MgCoordinateSystem srsMap = sysCoordsFactory.Create(srsDefMap);
MgClassDefinition locationClass = new MgClassDefinition();
locationClass.SetName("LocationMarker");
MgPropertyDefinitionCollection properties = locationClass.GetProperties();
MgDataPropertyDefinition idProperty = new MgDataPropertyDefinition("ID");
idProperty.SetDataType(MgPropertyType.Int32);
idProperty.SetReadOnly(true);
idProperty.SetNullable(false);
idProperty.SetAutoGeneration(true);
properties.Add(idProperty);
MgDataPropertyDefinition addressProperty = new MgDataPropertyDefinition("Address");
addressProperty.SetDataType(MgPropertyType.String);
addressProperty.SetLength(512);
properties.Add(addressProperty);
MgGeometricPropertyDefinition locationProperty = new MgGeometricPropertyDefinition("Location");
locationProperty.SetGeometryTypes(MgGeometryType.Point);
locationProperty.SetHasElevation(false);
locationProperty.SetHasMeasure(false);
locationProperty.SetReadOnly(false);
locationProperty.SetSpatialContextAssociation(srsMap.GetCsCode());
properties.Add(locationProperty);
MgPropertyDefinitionCollection idProperties = locationClass.GetIdentityProperties();
idProperties.Add(idProperty);
locationClass.SetDefaultGeometryPropertyName("Location");
MgFeatureSchema locationSchema = new MgFeatureSchema();
locationSchema.SetName("LocationMarkerSchema");
locationSchema.GetClasses().Add(locationClass);
MgCreateSdfParams sdfParams = new MgCreateSdfParams(srsMap.GetCsCode(), srsDefMap, locationSchema);
featureService.CreateFeatureSource(locationMarkerDataResId, sdfParams);
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgCoordinateSystemFactory csFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem coordSys = csFactory.CreateFromCode("LL84");
Assert.AreEqual(MgCoordinateSystemType.Geographic, coordSys.Type);
Assert.AreEqual("DEGREE", coordSys.Units);
Assert.AreEqual(-180, coordSys.MinX);
Assert.AreEqual(-90, coordSys.MinY);
Assert.AreEqual(180, coordSys.MaxX);
Assert.AreEqual(90, coordSys.MaxY);
Assert.AreEqual("LL84", coordSys.CsCode);
Assert.AreEqual("WGS84 datum, Latitude-Longitude; Degrees", coordSys.Description);
Assert.AreEqual("LL", coordSys.Projection);
Assert.AreEqual("Null Projection, produces/processes Latitude & Longitude", coordSys.ProjectionDescription);
Assert.AreEqual("WGS84", coordSys.Datum);
Assert.AreEqual("World Geodetic System of 1984", coordSys.DatumDescription);
Assert.AreEqual("WGS84", coordSys.Ellipsoid);
Assert.AreEqual("World Geodetic System of 1984, GEM 10C", coordSys.EllipsoidDescription);
}
public static string TransformGK2Wgs(double x, double y, string ss, string mpN)
{
MgMap map = new MgMap();
MgResourceService resourceSrvc = GetMgResurceService(ss);
map.Open(resourceSrvc, mpN);
//Create coordinate system factory
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
string wktFrom = map.GetMapSRS();
string wktTo = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCoordinateSystem coordinateSystemSource = fact.Create(wktFrom);
MgCoordinateSystem coordinateSystemTarget = fact.Create(wktTo);
MgGeometryFactory geomFact = new MgGeometryFactory();
MgCoordinateSystemTransform coordTransform = fact.GetTransform(coordinateSystemSource, coordinateSystemTarget);
MgCoordinate coord = coordTransform.Transform(x, y);
return coord.X.ToString().Replace(',', '.') + ";" + coord.Y.ToString().Replace(',', '.');
}
public static string TransformGK2Wgs(double x, double y, string ss, string mpN) //Transform from Map to WGS 84 Coordtnate System
{
MgMap map = new MgMap();
MgResourceService resourceSrvc = GetMgResurceService(ss);
map.Open(resourceSrvc, mpN);
//Create coordinate system factory
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
string wktFrom = map.GetMapSRS();
string wktTo = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCoordinateSystem coordinateSystemSource = fact.Create(wktFrom);
MgCoordinateSystem coordinateSystemTarget = fact.Create(wktTo);
MgGeometryFactory geomFact = new MgGeometryFactory();
MgCoordinateSystemTransform coordTransform = fact.GetTransform(coordinateSystemSource, coordinateSystemTarget);
MgCoordinate coord = coordTransform.Transform(x, y);
return(coord.X.ToString().Replace(',', '.') + ";" + coord.Y.ToString().Replace(',', '.'));
}
/// <summary>
/// Node GetCSList returns an external txt file that Contains strings with CS's names
/// </summary>
/// <param name="Folder_Path">Directory path to save TXT file</param>
/// <param name="selection">If = true, export all CS in Library, if false - only Users collection</param>
public static string GetCSList(string Folder_Path, bool selection)
{
StringBuilder sb = new StringBuilder();
var guid = Guid.NewGuid();
string writePath = $@"{Folder_Path}\{guid}CS_List.txt";
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
MgCoordinateSystemCatalog csCatalog = coordSysFactory.GetCatalog();
MgCoordinateSystemDictionary csDict = csCatalog.GetCoordinateSystemDictionary();
MgCoordinateSystemEnum csDictEnum = csDict.GetEnum();
int csCount = csDict.GetSize();
MgStringCollection csNames = csDictEnum.NextName(csCount);
string csName = null;
MgCoordinateSystem cs = null;
bool csProtect;
for (int i = 0; i < csCount; i++)
{
csName = csNames.GetItem(i);
cs = csDict.GetCoordinateSystem(csName);
csProtect = cs.IsProtected();
if (csProtect == selection)
{
sb.AppendLine(csName.ToString());
}
}
using (StreamWriter export_file = new StreamWriter(writePath, true, Encoding.UTF8))
{
export_file.Write(sb.ToString());
}
return(writePath);
}
public LocalNativeMpuCalculator()
{
_csFact = new MgCoordinateSystemFactory();
}
private void btnCreate_Click(object sender, EventArgs e)
{
btnCreate.Enabled = false;
try
{
var layerName = txtBufferLayer.Text.Trim();
if (string.IsNullOrEmpty(layerName))
{
MessageBox.Show(Strings.MsgEnterNameForLayer);
return;
}
if (lstLayers.SelectedItems.Count == 0)
{
MessageBox.Show(Strings.MsgIncludeLayersToBuffer);
return;
}
var map = _viewer.GetMap();
var layers = map.GetLayers();
var provider = _viewer.GetProvider();
//From here, it's the same logic as buffer.aspx in .net MapGuide AJAX viewer
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.FeatureSource"); //NOXLATE
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.LayerDefinition"); //NOXLATE
MgLayerBase layer = Util.FindLayer(layers, txtBufferLayer.Text);
string[] layerNames = GetLayerNames();
double distance = Convert.ToDouble(numBufferDistance.Value);
MeasurementUnit bUnits = (MeasurementUnit)cmbUnits.SelectedItem;
switch (bUnits)
{
case MeasurementUnit.Feet:
distance *= 0.30480;
break;
case MeasurementUnit.Kilometers:
distance *= 1000;
break;
case MeasurementUnit.Miles:
distance *= 1609.35;
break;
}
String srsDefMap = Util.GetMapSrs(map);
MgCoordinateSystem srsMap = provider.GetMapCoordinateSystem();
string mapSrsUnits = "";
bool arbitraryMapSrs = (srsMap.GetType() == MgCoordinateSystemType.Arbitrary);
if (arbitraryMapSrs)
{
mapSrsUnits = srsMap.GetUnits();
}
String xtrans = String.Format("{0:x2}", ((int)(255 * Convert.ToInt32(numFillTransparency.Value) / 100))); //NOXLATE
var lineColor = Util.ToHtmlColor(pnlBorderColor.BackColor);
var foreColor = Util.ToHtmlColor(pnlFillColor.BackColor);
var backColor = Util.ToHtmlColor(pnlFillBackColor.BackColor);
String layerTempl = string.Format(Properties.Resources.AreaLayerDef,
fsId.ToString(),
"BufferSchema:Buffer", //NOXLATE
"GEOM", //NOXLATE
cmbFillPattern.SelectedItem,
xtrans + foreColor,
((0 != 1 /*transparent*/) ? "ff" : "00") + backColor, //NOXLATE
cmbBorderPattern.SelectedItem,
numLineThickness.Value.ToString(NumberFormatInfo.InvariantInfo),
lineColor
);
byte[] bytes = Encoding.UTF8.GetBytes(layerTempl);
MgByteSource src = new MgByteSource(bytes, bytes.Length);
MgByteReader layerDefContent = src.GetReader();
_resSvc.SetResource(ldfId, layerDefContent, null);
bool newBuffer = false;
if (layer == null)
{
newBuffer = true;
//Targetting a new layer. create a data source for it
//
MgClassDefinition classDef = new MgClassDefinition();
classDef.SetName("Buffer"); //NOXLATE
classDef.SetDescription("Feature class for buffer layer"); //NOXLATE
classDef.SetDefaultGeometryPropertyName("GEOM"); //NOXLATE
//Set KEY property
MgDataPropertyDefinition prop = new MgDataPropertyDefinition("KEY"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
prop.SetAutoGeneration(true);
prop.SetReadOnly(true);
classDef.GetIdentityProperties().Add(prop);
classDef.GetProperties().Add(prop);
//Set ID property. Hold this segment ID
prop = new MgDataPropertyDefinition("ID"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
classDef.GetProperties().Add(prop);
//Set geometry property
MgGeometricPropertyDefinition geomProp = new MgGeometricPropertyDefinition("GEOM"); //NOXLATE
//prop.SetGeometryTypes(MgFeatureGeometricType.mfgtSurface); //TODO use the constant when exposed
geomProp.SetGeometryTypes(4);
classDef.GetProperties().Add(geomProp);
//Create the schema
MgFeatureSchema schema = new MgFeatureSchema("BufferSchema", "Temporary buffer schema"); //NOXLATE
schema.GetClasses().Add(classDef);
//finally, creation of the feature source
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "LatLong", map.GetMapSRS(), schema); //NOXLATE
_featSvc.CreateFeatureSource(fsId, sdfParams);
//Add layer to map
layer = provider.CreateLayer(ldfId);
layer.SetName(txtBufferLayer.Text);
layer.SetLegendLabel(txtBufferLayer.Text);
layer.SetDisplayInLegend(true);
layer.SetSelectable(true);
layers.Insert(0, layer);
}
else
{
//data source already exist. clear its content
//
Util.ClearDataSource(_featSvc, fsId, "BufferSchema:Buffer"); //NOXLATE
}
var sel = _viewer.GetSelection();
var selLayers = sel.GetLayers();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
MgGeometryCollection bufferGeometries = new MgGeometryCollection();
MgGeometry geomBuffer;
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
int featId = 0;
MgBatchPropertyCollection propCollection = new MgBatchPropertyCollection();
int excludedLayers = 0;
MgCoordinateSystem srsDs = null;
MgGeometryCollection inputGeometries = new MgGeometryCollection();
int bufferFeatures = 0;
for (int li = 0; li < selLayers.GetCount(); li++)
{
MgLayerBase selLayer = selLayers.GetItem(li);
bool inputLayer = false;
String selLayerName = selLayer.GetName();
for (int il = 0; il < layerNames.Length; il++)
{
if (layerNames[il].Equals(selLayerName))
{
inputLayer = true;
break;
}
}
if (inputLayer == false)
{
continue;
}
// get the data source SRS
//
MgResourceIdentifier featSourceId = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgSpatialContextReader ctxs = _featSvc.GetSpatialContexts(featSourceId, false);
String srsDefDs = string.Empty;
if (ctxs != null && ctxs.ReadNext())
{
srsDefDs = ctxs.GetCoordinateSystemWkt();
}
if (srsDefDs == null || srsDefDs.Length == 0)
{
excludedLayers++;
continue;
}
var srsFactory = new MgCoordinateSystemFactory();
srsDs = srsFactory.Create(srsDefDs);
bool arbitraryDsSrs = (srsDs.GetType() == MgCoordinateSystemType.Arbitrary);
String dsSrsUnits = string.Empty;
if (arbitraryDsSrs)
{
dsSrsUnits = srsDs.GetUnits();
}
// exclude layer if:
// the map is non-arbitrary and the layer is arbitrary or vice-versa
// or
// layer and map are both arbitrary but have different units
//
if ((arbitraryDsSrs != arbitraryMapSrs) || (arbitraryDsSrs && (dsSrsUnits != mapSrsUnits)))
{
excludedLayers++;
continue;
}
// calculate distance in the data source SRS units
//
double dist = srsDs.ConvertMetersToCoordinateSystemUnits(distance);
// calculate great circle unless data source srs is arbitrary
MgCoordinateSystemMeasure measure;
if (!arbitraryDsSrs)
{
measure = srsDs.GetMeasure();
}
else
{
measure = null;
}
// create a SRS transformer if necessary
MgCoordinateSystemTransform srsXform;
if (!srsDefDs.Equals(srsDefMap))
{
srsXform = srsFactory.GetTransform(srsDs, srsMap);
}
else
{
srsXform = null;
}
String featureClassName = selLayer.GetFeatureClassName();
String filter = sel.GenerateFilter(selLayer, featureClassName);
if (filter == null || filter.Length == 0)
{
continue;
}
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgFeatureReader features = _featSvc.SelectFeatures(featureSource, featureClassName, query);
if (features.ReadNext())
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
do
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (!chkMergeBuffers.Checked)
{
geomBuffer = geom.Buffer(dist, measure);
if (geomBuffer != null)
{
if (srsXform != null)
{
geomBuffer = (MgGeometry)geomBuffer.Transform(srsXform);
}
Util.AddFeatureToCollection(propCollection, agfRW, featId++, geomBuffer);
bufferFeatures++;
}
}
else
{
if (srsXform != null)
{
geom = (MgGeometry)geom.Transform(srsXform);
}
inputGeometries.Add(geom);
}
}while (features.ReadNext());
features.Close();
}
}
if (chkMergeBuffers.Checked)
{
if (inputGeometries.GetCount() > 0)
{
double dist = srsMap.ConvertMetersToCoordinateSystemUnits(distance);
MgCoordinateSystemMeasure measure;
if (!arbitraryMapSrs)
{
measure = srsMap.GetMeasure();
}
else
{
measure = null;
}
MgGeometryFactory geomFactory = new MgGeometryFactory();
geomBuffer = geomFactory.CreateMultiGeometry(inputGeometries).Buffer(dist, measure);
if (geomBuffer != null)
{
Util.AddFeatureToCollection(propCollection, agfRW, featId, geomBuffer);
bufferFeatures = 1;
}
}
}
if (propCollection.GetCount() > 0)
{
commands.Add(new MgInsertFeatures("BufferSchema:Buffer", propCollection)); //NOXLATE
//Insert the features in the temporary data source
//
Util.ReleaseReader(_featSvc.UpdateFeatures(fsId, commands, false), commands);
}
// Save the new map state
//
layer.ForceRefresh();
_viewer.RefreshMap();
//build report message
if (newBuffer)
{
MessageBox.Show(string.Format(Strings.MsgBufferLayerCreated, txtBufferLayer.Text));
}
else
{
MessageBox.Show(string.Format(Strings.MsgBufferLayerUpdated, txtBufferLayer.Text));
}
}
finally
{
btnCreate.Enabled = true;
}
}
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");
}
public void Preview(IResource res, IEditorService edSvc, string locale)
{
IMapDefinition mapDef = null;
var conn = res.CurrentConnection;
if (res.ResourceType == ResourceTypes.LayerDefinition)
{
var ldf = (ILayerDefinition)res;
string wkt;
var env = ldf.GetSpatialExtent(true, out wkt);
if (env == null)
throw new ApplicationException(Strings.CouldNotComputeExtentsForPreview);
mapDef = ObjectFactory.CreateMapDefinition(conn, "Preview");
mapDef.CoordinateSystem = wkt;
mapDef.SetExtents(env.MinX, env.MinY, env.MaxX, env.MaxY);
string resId = "Session:" + edSvc.SessionID + "//" + Guid.NewGuid() + "." + res.ResourceType.ToString();
edSvc.ResourceService.SetResourceXmlData(resId, ResourceTypeRegistry.Serialize(res));
mapDef.AddLayer(null, "PreviewLayer", resId);
}
else if (res.ResourceType == ResourceTypes.MapDefinition)
{
mapDef = (IMapDefinition)res;
}
else if (res.ResourceType == ResourceTypes.WatermarkDefinition)
{
string resId = "Session:" + edSvc.SessionID + "//" + Guid.NewGuid() + "." + res.ResourceType.ToString();
edSvc.ResourceService.SetResourceXmlData(resId, ResourceTypeRegistry.Serialize(res));
var csFact = new MgCoordinateSystemFactory();
var arbXY = csFact.ConvertCoordinateSystemCodeToWkt("XY-M");
mapDef = ObjectFactory.CreateMapDefinition(conn, new Version(2, 3, 0), "Preview");
mapDef.CoordinateSystem = arbXY;
mapDef.SetExtents(-100000, -100000, 100000, 100000);
var wm = ((IMapDefinition2)mapDef).AddWatermark(((IWatermarkDefinition)res));
wm.ResourceId = resId;
}
var mapResId = new MgResourceIdentifier("Session:" + edSvc.SessionID + "//" + mapDef.ResourceType.ToString() + "Preview" + Guid.NewGuid() + "." + mapDef.ResourceType.ToString());
edSvc.ResourceService.SetResourceXmlData(mapResId.ToString(), ResourceTypeRegistry.Serialize(mapDef));
//MgdMap map = new MgdMap(mapResId);
//var diag = new MapPreviewWindow(map, conn);
//diag.ShowDialog();
var diag = new UI.MapPreviewWindow(conn);
diag.Init(mapResId);
diag.ShowDialog();
}
string pointTransformAndWriteZ(string geom, MgMap map)
{
double[] x = new double[1];
double[] y = new double[1];
double[] z = new double[1];
MgWktReaderWriter wktrwdmr = new MgWktReaderWriter();
MgPoint cntr = wktrwdmr.Read(geom).Centroid;
x[0] = cntr.Coordinate.X;
y[0] = cntr.Coordinate.Y;
z[0] = 0;
StringBuilder output = new StringBuilder();
output.Append("<table width=\"100%\" class=\"results\">");
//WGS preko MG API
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
string wktFrom = map.GetMapSRS();
string wktTo = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCoordinateSystem CSSource = fact.Create(wktFrom);
MgCoordinateSystem CSTarget = fact.Create(wktTo);
MgCoordinateSystemTransform coordTransform = fact.GetTransform(CSSource, CSTarget);
MgGeometryFactory geomFact = new MgGeometryFactory();
// GK
//samo prvo višino zaenkrat, dokler ni enačbe za Z
output.Append(String.Format("<tr><td class='header'><b>Map koordinates:</b></td><td class=\"results\"><table><tr><td><b>Y:</b></td><td>{0}</td></tr><tr><td><b>X:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.0}", x[0]), string.Format("{0:0.0}", y[0])));
int i = 0;
//transformacija preko MG koordinatnega sistema
foreach (double pointX in x)
{
MgCoordinate coord = geomFact.CreateCoordinateXY(x[i], y[i]);
coord = coordTransform.Transform(coord);
x[i] = coord.X;
y[i] = coord.Y;
i++;
}
double[] xwgs = x;
double[] ywgs = y;
output.Append(String.Format("<tr><td class='header'><b>WGS84:</b></td><td class=\"results\"><table><tr><td><b>Lon:</b></td><td>{0}</td></tr><tr><td><b>Lat:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.000000}", xwgs[0]), string.Format("{0:0.000000}", ywgs[0])));
output.Append("</table>");
return output.ToString();
}
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();
}
}
public LocalNativeMpuCalculator()
{
_csFact = new MgCoordinateSystemFactory();
}
public void AddBuffer()
{
MgMap map = new MgMap();
map.Open(_resourceService, GetParameter(this.args, "MAPNAME"));
MgSelection selection = new MgSelection(map);
selection.Open(_resourceService, map.Name);
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers != null && layers.Count == 1)
{
MgFeatureQueryOptions opt = new MgFeatureQueryOptions();
opt.SetFilter(selection.GenerateFilter(layers[0], layers[0].FeatureClassName));
MgFeatureReader featureReader = _featureService.SelectFeatures(new MgResourceIdentifier(layers[0].FeatureSourceId), layers[0].FeatureClassName, opt);
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
MgGeometryCollection inputGeometries = new MgGeometryCollection();
MgClassDefinition classDef = _featureService.GetClassDefinition(
new MgResourceIdentifier(layers[0].FeatureSourceId),
layers[0].FeatureClassName.Split(':')[0],
layers[0].FeatureClassName.Split(':')[1]);
while (featureReader.ReadNext())
{
MgByteReader byteReader = featureReader.GetGeometry(classDef.DefaultGeometryPropertyName);
MgGeometry geom = agfRW.Read(byteReader);
inputGeometries.Add(geom);
}
if (inputGeometries.Count > 0)
{
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem mapSrs = coordSysFactory.Create(map.MapSRS);
double distance = mapSrs.ConvertMetersToCoordinateSystemUnits(7.0);
MgCoordinateSystemMeasure measure = mapSrs.GetMeasure();
MgGeometryFactory geomFactory = new MgGeometryFactory();
MgGeometry buffer = geomFactory.CreateMultiGeometry(inputGeometries).Buffer(distance, measure);
if (buffer != null)
{
MgByteReader byteReader = agfRW.Write(buffer);
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgAgfReaderWriter agfWriter = new MgAgfReaderWriter();
MgPropertyCollection propertyValues = CreatePropertyCollection(byteReader);
this.InsertMarkupFeature(propertyValues);
}
}
}
}
public MainForm(MgCoordinateSystemFactory fact) : this()
{
_fact = fact;
}
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();
}
public override void Execute(IPlatformFactory factory, ITestLogger logger)
{
//For a map definition that links to a default provider tile set and both have the same coordinate
//system, it should be using the map definition's extents and we should not have null extents or view
//center
MgCoordinateSystemFactory csFactory = new MgCoordinateSystemFactory();
string csWkt = csFactory.ConvertCoordinateSystemCodeToWkt("LL84");
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");
string tsd = Encoding.UTF8.GetString(Properties.Resources.UT_BaseMapTileSet);
tsd = string.Format(tsd, csWkt, -87.5, 43.5, -86.5, 44.5);
byte[] tsdBytes = Encoding.UTF8.GetBytes(tsd);
MgByteSource sourceTSD = new MgByteSource(tsdBytes, tsdBytes.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_LinkedTileSet);
mdf = string.Format(mdf, csWkt, -87.0, 43.0, -86.0, 44.0, 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);
MgMapBase map = factory.CreateMap(resMDF);
MgEnvelope extent = map.GetMapExtent();
Assert.IsNotNull(extent);
Assert.IsNotNull(map.MapExtent);
MgPoint center = map.GetViewCenter();
Assert.IsNotNull(center);
Assert.IsNotNull(map.ViewCenter);
MgCoordinate ll = extent.GetLowerLeftCoordinate();
MgCoordinate ur = extent.GetUpperRightCoordinate();
Assert.IsNotNull(ll);
Assert.IsNotNull(ur);
Assert.AreEqual(-87.0, ll.X);
Assert.AreEqual(43.0, ll.Y);
Assert.AreEqual(-86.0, ur.X);
Assert.AreEqual(44.0, ur.Y);
}
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 CoordinateSystem()
{
MgCoordinateSystemFactory factory = new MgCoordinateSystemFactory();
String wkt = "GEOGCS[\"LL84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.25722293287],TOWGS84[0,0,0,0,0,0,0]],PRIMEM[\"Greenwich\",0],UNIT[\"Degrees\",0.0174532925199433]]";
MgCoordinateSystem coordSys = factory.Create(wkt);
Assert.AreEqual(MgCoordinateSystemType.Geographic, coordSys.Type);
Assert.AreEqual("Degrees", coordSys.Units);
Assert.AreEqual(-180, coordSys.MinX);
Assert.AreEqual(-90, coordSys.MinY);
Assert.AreEqual(180, coordSys.MaxX);
Assert.AreEqual(90, coordSys.MaxY);
Assert.AreEqual("", coordSys.Code);
Assert.AreEqual("", coordSys.Description);
Assert.AreEqual("Unknown", coordSys.Projection);
Assert.AreEqual("Unknown", coordSys.ProjectionDescription);
Assert.AreEqual("WGS_1984", coordSys.Datum);
Assert.AreEqual("WGS_1984", coordSys.DatumDescription);
Assert.AreEqual("WGS 84", coordSys.Ellipsoid);
Assert.AreEqual("WGS 84", coordSys.EllipsoidDescription);
}
private void btnCreate_Click(object sender, EventArgs e)
{
btnCreate.Enabled = false;
try
{
var layerName = txtBufferLayer.Text.Trim();
if (string.IsNullOrEmpty(layerName))
{
MessageBox.Show(Strings.MsgEnterNameForLayer);
return;
}
if (lstLayers.SelectedItems.Count == 0)
{
MessageBox.Show(Strings.MsgIncludeLayersToBuffer);
return;
}
var map = _viewer.GetMap();
var layers = map.GetLayers();
var provider = _viewer.GetProvider();
//From here, it's the same logic as buffer.aspx in .net MapGuide AJAX viewer
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.FeatureSource"); //NOXLATE
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.LayerDefinition"); //NOXLATE
MgLayerBase layer = Util.FindLayer(layers, txtBufferLayer.Text);
string[] layerNames = GetLayerNames();
double distance = Convert.ToDouble(numBufferDistance.Value);
MeasurementUnit bUnits = (MeasurementUnit)cmbUnits.SelectedItem;
switch (bUnits)
{
case MeasurementUnit.Feet:
distance *= 0.30480;
break;
case MeasurementUnit.Kilometers:
distance *= 1000;
break;
case MeasurementUnit.Miles:
distance *= 1609.35;
break;
}
String srsDefMap = Util.GetMapSrs(map);
MgCoordinateSystem srsMap = provider.GetMapCoordinateSystem();
string mapSrsUnits = "";
bool arbitraryMapSrs = (srsMap.GetType() == MgCoordinateSystemType.Arbitrary);
if (arbitraryMapSrs)
mapSrsUnits = srsMap.GetUnits();
String xtrans = String.Format("{0:x2}", ((int)(255 * Convert.ToInt32(numFillTransparency.Value) / 100))); //NOXLATE
var lineColor = Util.ToHtmlColor(pnlBorderColor.BackColor);
var foreColor = Util.ToHtmlColor(pnlFillColor.BackColor);
var backColor = Util.ToHtmlColor(pnlFillBackColor.BackColor);
String layerTempl = string.Format(Properties.Resources.AreaLayerDef,
fsId.ToString(),
"BufferSchema:Buffer", //NOXLATE
"GEOM", //NOXLATE
cmbFillPattern.SelectedItem,
xtrans + foreColor,
((0 != 1/*transparent*/) ? "ff" : "00") + backColor, //NOXLATE
cmbBorderPattern.SelectedItem,
numLineThickness.Value.ToString(NumberFormatInfo.InvariantInfo),
lineColor
);
byte[] bytes = Encoding.UTF8.GetBytes(layerTempl);
MgByteSource src = new MgByteSource(bytes, bytes.Length);
MgByteReader layerDefContent = src.GetReader();
_resSvc.SetResource(ldfId, layerDefContent, null);
bool newBuffer = false;
if (layer == null)
{
newBuffer = true;
//Targetting a new layer. create a data source for it
//
MgClassDefinition classDef = new MgClassDefinition();
classDef.SetName("Buffer"); //NOXLATE
classDef.SetDescription("Feature class for buffer layer"); //NOXLATE
classDef.SetDefaultGeometryPropertyName("GEOM"); //NOXLATE
//Set KEY property
MgDataPropertyDefinition prop = new MgDataPropertyDefinition("KEY"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
prop.SetAutoGeneration(true);
prop.SetReadOnly(true);
classDef.GetIdentityProperties().Add(prop);
classDef.GetProperties().Add(prop);
//Set ID property. Hold this segment ID
prop = new MgDataPropertyDefinition("ID"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
classDef.GetProperties().Add(prop);
//Set geometry property
MgGeometricPropertyDefinition geomProp = new MgGeometricPropertyDefinition("GEOM"); //NOXLATE
//prop.SetGeometryTypes(MgFeatureGeometricType.mfgtSurface); //TODO use the constant when exposed
geomProp.SetGeometryTypes(4);
classDef.GetProperties().Add(geomProp);
//Create the schema
MgFeatureSchema schema = new MgFeatureSchema("BufferSchema", "Temporary buffer schema"); //NOXLATE
schema.GetClasses().Add(classDef);
//finally, creation of the feature source
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "LatLong", map.GetMapSRS(), schema); //NOXLATE
_featSvc.CreateFeatureSource(fsId, sdfParams);
//Add layer to map
layer = provider.CreateLayer(ldfId);
layer.SetName(txtBufferLayer.Text);
layer.SetLegendLabel(txtBufferLayer.Text);
layer.SetDisplayInLegend(true);
layer.SetSelectable(true);
layers.Insert(0, layer);
}
else
{
//data source already exist. clear its content
//
Util.ClearDataSource(_featSvc, fsId, "BufferSchema:Buffer"); //NOXLATE
}
var sel = _viewer.GetSelection();
var selLayers = sel.GetLayers();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
MgGeometryCollection bufferGeometries = new MgGeometryCollection();
MgGeometry geomBuffer;
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
int featId = 0;
MgBatchPropertyCollection propCollection = new MgBatchPropertyCollection();
int excludedLayers = 0;
MgCoordinateSystem srsDs = null;
MgGeometryCollection inputGeometries = new MgGeometryCollection();
int bufferFeatures = 0;
for (int li = 0; li < selLayers.GetCount(); li++)
{
MgLayerBase selLayer = selLayers.GetItem(li);
bool inputLayer = false;
String selLayerName = selLayer.GetName();
for (int il = 0; il < layerNames.Length; il++)
{
if (layerNames[il].Equals(selLayerName))
{
inputLayer = true;
break;
}
}
if (inputLayer == false)
{
continue;
}
// get the data source SRS
//
MgResourceIdentifier featSourceId = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgSpatialContextReader ctxs = _featSvc.GetSpatialContexts(featSourceId, false);
String srsDefDs = string.Empty;
if (ctxs != null && ctxs.ReadNext())
srsDefDs = ctxs.GetCoordinateSystemWkt();
if (srsDefDs == null || srsDefDs.Length == 0)
{
excludedLayers++;
continue;
}
var srsFactory = new MgCoordinateSystemFactory();
srsDs = srsFactory.Create(srsDefDs);
bool arbitraryDsSrs = (srsDs.GetType() == MgCoordinateSystemType.Arbitrary);
String dsSrsUnits = string.Empty;
if (arbitraryDsSrs)
dsSrsUnits = srsDs.GetUnits();
// exclude layer if:
// the map is non-arbitrary and the layer is arbitrary or vice-versa
// or
// layer and map are both arbitrary but have different units
//
if ((arbitraryDsSrs != arbitraryMapSrs) || (arbitraryDsSrs && (dsSrsUnits != mapSrsUnits)))
{
excludedLayers++;
continue;
}
// calculate distance in the data source SRS units
//
double dist = srsDs.ConvertMetersToCoordinateSystemUnits(distance);
// calculate great circle unless data source srs is arbitrary
MgCoordinateSystemMeasure measure;
if (!arbitraryDsSrs)
measure = srsDs.GetMeasure();
else
measure = null;
// create a SRS transformer if necessary
MgCoordinateSystemTransform srsXform;
if (!srsDefDs.Equals(srsDefMap))
srsXform = srsFactory.GetTransform(srsDs, srsMap);
else
srsXform = null;
String featureClassName = selLayer.GetFeatureClassName();
String filter = sel.GenerateFilter(selLayer, featureClassName);
if (filter == null || filter.Length == 0)
continue;
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgFeatureReader features = _featSvc.SelectFeatures(featureSource, featureClassName, query);
if (features.ReadNext())
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
do
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (!chkMergeBuffers.Checked)
{
geomBuffer = geom.Buffer(dist, measure);
if (geomBuffer != null)
{
if (srsXform != null)
geomBuffer = (MgGeometry)geomBuffer.Transform(srsXform);
Util.AddFeatureToCollection(propCollection, agfRW, featId++, geomBuffer);
bufferFeatures++;
}
}
else
{
if (srsXform != null)
geom = (MgGeometry)geom.Transform(srsXform);
inputGeometries.Add(geom);
}
}
while (features.ReadNext());
features.Close();
}
}
if (chkMergeBuffers.Checked)
{
if (inputGeometries.GetCount() > 0)
{
double dist = srsMap.ConvertMetersToCoordinateSystemUnits(distance);
MgCoordinateSystemMeasure measure;
if (!arbitraryMapSrs)
measure = srsMap.GetMeasure();
else
measure = null;
MgGeometryFactory geomFactory = new MgGeometryFactory();
geomBuffer = geomFactory.CreateMultiGeometry(inputGeometries).Buffer(dist, measure);
if (geomBuffer != null)
{
Util.AddFeatureToCollection(propCollection, agfRW, featId, geomBuffer);
bufferFeatures = 1;
}
}
}
if (propCollection.GetCount() > 0)
{
commands.Add(new MgInsertFeatures("BufferSchema:Buffer", propCollection)); //NOXLATE
//Insert the features in the temporary data source
//
Util.ReleaseReader(_featSvc.UpdateFeatures(fsId, commands, false), commands);
}
// Save the new map state
//
layer.ForceRefresh();
_viewer.RefreshMap();
//build report message
if (newBuffer)
MessageBox.Show(string.Format(Strings.MsgBufferLayerCreated, txtBufferLayer.Text));
else
MessageBox.Show(string.Format(Strings.MsgBufferLayerUpdated, txtBufferLayer.Text));
}
finally
{
btnCreate.Enabled = true;
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control"/> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
base.MouseUp -= OnMapMouseUp;
base.MouseMove -= OnMapMouseMove;
base.MouseDown -= OnMapMouseDown;
base.MouseClick -= OnMapMouseClick;
base.MouseDoubleClick -= OnMapMouseDoubleClick;
base.MouseHover -= OnMapMouseHover;
base.MouseEnter -= OnMouseEnter;
base.MouseLeave -= OnMapMouseLeave;
if (renderWorker != null)
{
renderWorker.DoWork -= renderWorker_DoWork;
renderWorker.RunWorkerCompleted -= renderWorker_RunWorkerCompleted;
}
if (_csFact != null)
{
_csFact.Dispose();
_csFact = null;
}
if (_resSvc != null)
{
_resSvc.Dispose();
_resSvc = null;
}
if (_selection != null)
{
_selection.Dispose();
_selection = null;
}
if (_mapCs != null)
{
_mapCs.Dispose();
_mapCs = null;
}
if (_agfRW != null)
{
_agfRW.Dispose();
_agfRW = null;
}
if (_wktRW != null)
{
_wktRW.Dispose();
_wktRW = null;
}
if (_geomFact != null)
{
_geomFact.Dispose();
_geomFact = null;
}
if (_mapMeasure != null)
{
_mapMeasure.Dispose();
_mapMeasure = null;
}
}
base.Dispose(disposing);
}
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 MgCoordinateSystemTransform GetTransform()
{
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
_resourceService = (MgResourceService)this.site.CreateService(MgServiceType.ResourceService);
MgMap map = new MgMap();
map.Open(_resourceService, GetParameter(this.args, "MAPNAME"));
MgCoordinateSystem source = coordSysFactory.Create(map.GetMapSRS());
//MgCoordinateSystem target = coordSysFactory.Create(MarkupManager.LL84WKT);
MgCoordinateSystem target = coordSysFactory.Create(map.GetMapSRS());
return coordSysFactory.GetTransform(source, target);
}
public LocalNativeCoordinateSystemCatalog()
{
m_cf = new MgCoordinateSystemFactory();
}
public MainForm(MgCoordinateSystemFactory fact)
: this()
{
_fact = fact;
}
