public void CreateBufferFeatureSource(MgFeatureService featureService, String wkt, MgResourceIdentifier bufferFeatureResId)
{
MgClassDefinition bufferClass = new MgClassDefinition();
bufferClass.SetName("BufferClass");
MgPropertyDefinitionCollection properties = bufferClass.GetProperties();
MgDataPropertyDefinition idProperty = new MgDataPropertyDefinition("ID");
idProperty.SetDataType(MgPropertyType.Int32);
idProperty.SetReadOnly(true);
idProperty.SetNullable(false);
idProperty.SetAutoGeneration(true);
properties.Add(idProperty);
MgGeometricPropertyDefinition polygonProperty = new MgGeometricPropertyDefinition("BufferGeometry");
polygonProperty.SetGeometryTypes(MgFeatureGeometricType.Surface);
polygonProperty.SetHasElevation(false);
polygonProperty.SetHasMeasure(false);
polygonProperty.SetReadOnly(false);
polygonProperty.SetSpatialContextAssociation("defaultSrs");
properties.Add(polygonProperty);
MgPropertyDefinitionCollection idProperties = bufferClass.GetIdentityProperties();
idProperties.Add(idProperty);
bufferClass.SetDefaultGeometryPropertyName("BufferGeometry");
MgFeatureSchema bufferSchema = new MgFeatureSchema("BufferLayerSchema", "temporary schema to hold a buffer");
bufferSchema.GetClasses().Add(bufferClass);
MgCreateSdfParams sdfParams = new MgCreateSdfParams("defaultSrs", wkt, bufferSchema);
featureService.CreateFeatureSource(bufferFeatureResId, sdfParams);
}
public static MgFeatureSchema CreateMarkupSchema()
{
MgFeatureSchema markupSchema = new MgFeatureSchema();
markupSchema.SetName("MarkupSchema");
markupSchema.GetClasses().Add(MarkupSchemaFactory.CreateMarkupClass());
return markupSchema;
}
public static MgFeatureSchema CreateSchema(int geomType)
{
MgFeatureSchema schema = new MgFeatureSchema();
schema.SetName("MarkupSchema");
if (geomType == -1)
geomType = MgFeatureGeometricType.Point | MgFeatureGeometricType.Curve | MgFeatureGeometricType.Surface;
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = CreateClass(geomType);
classes.Add(cls);
return schema;
}
public static MgFeatureSchema CreateSchema(int geomType)
{
MgFeatureSchema schema = new MgFeatureSchema();
schema.SetName("MarkupSchema");
if (geomType == -1)
{
geomType = MgFeatureGeometricType.Point | MgFeatureGeometricType.Curve | MgFeatureGeometricType.Surface;
}
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = CreateClass(geomType);
classes.Add(cls);
return(schema);
}
internal void UpdateLayerStyle(RedlineLayer layer, RedlineStyle updatedStyle)
{
//HACK: SQLite leaky abstraction (hard-coded schema name), SHP probably has some leaks of its own, so we can't assume MarkupSchema:Markup
//as the class name interrogate our schema to figure it out
MgResourceIdentifier fsId = new MgResourceIdentifier(layer.FeatureSource);
MgFeatureSchemaCollection schemas = _featSvc.DescribeSchema(fsId, string.Empty, null);
MgFeatureSchema schema = schemas.GetItem(0);
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = classes.GetItem(0);
string className = schema.Name + ":" + cls.Name;
MgResourceIdentifier ldfId = new MgResourceIdentifier(layer.LayerDefinition);
string layerDefContent = CreateRedlineLayerDefinitionContent(fsId, className, updatedStyle, layer.StyleType);
byte[] bytes = Encoding.UTF8.GetBytes(layerDefContent);
MgByteSource byteSource = new MgByteSource(bytes, bytes.Length);
MgByteReader byteReader = byteSource.GetReader();
_resSvc.SetResource(ldfId, byteReader, null);
}
public void CreateParcelMarkerFeatureSource(MgFeatureService featureService, String wkt, MgResourceIdentifier parcelMarkerDataResId)
{
MgClassDefinition parcelClass = new MgClassDefinition();
parcelClass.SetName("ParcelMarkerClass");
MgPropertyDefinitionCollection properties = parcelClass.GetProperties();
MgDataPropertyDefinition idProperty = new MgDataPropertyDefinition("ID");
idProperty.SetDataType(MgPropertyType.Int32);
idProperty.SetReadOnly(true);
idProperty.SetNullable(false);
idProperty.SetAutoGeneration(true);
properties.Add(idProperty);
MgGeometricPropertyDefinition pointProperty = new MgGeometricPropertyDefinition("ParcelLocation");
pointProperty.SetGeometryTypes(MgGeometryType.Point);
pointProperty.SetHasElevation(false);
pointProperty.SetHasMeasure(false);
pointProperty.SetReadOnly(false);
pointProperty.SetSpatialContextAssociation("defaultSrs");
properties.Add(pointProperty);
MgPropertyDefinitionCollection idProperties = parcelClass.GetIdentityProperties();
idProperties.Add(idProperty);
parcelClass.SetDefaultGeometryPropertyName("ParcelLocation");
MgFeatureSchema parcelSchema = new MgFeatureSchema("ParcelLayerSchema", "temporary schema to hold parcel markers");
parcelSchema.GetClasses().Add(parcelClass);
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "defaultSrs", wkt, parcelSchema);
featureService.CreateFeatureSource(parcelMarkerDataResId, sdfParams);
}
public void CreateBufferFeatureSource(MgFeatureService featureService, String wkt, MgResourceIdentifier bufferFeatureResId)
{
MgClassDefinition bufferClass = new MgClassDefinition();
bufferClass.SetName("BufferClass");
MgPropertyDefinitionCollection properties = bufferClass.GetProperties();
MgDataPropertyDefinition idProperty = new MgDataPropertyDefinition("ID");
idProperty.SetDataType(MgPropertyType.Int32);
idProperty.SetReadOnly(true);
idProperty.SetNullable(false);
idProperty.SetAutoGeneration(true);
properties.Add(idProperty);
MgGeometricPropertyDefinition polygonProperty = new MgGeometricPropertyDefinition("BufferGeometry");
polygonProperty.SetGeometryTypes(MgFeatureGeometricType.Surface);
polygonProperty.SetHasElevation(false);
polygonProperty.SetHasMeasure(false);
polygonProperty.SetReadOnly(false);
polygonProperty.SetSpatialContextAssociation("defaultSrs");
properties.Add(polygonProperty);
MgPropertyDefinitionCollection idProperties = bufferClass.GetIdentityProperties();
idProperties.Add(idProperty);
bufferClass.SetDefaultGeometryPropertyName("BufferGeometry");
MgFeatureSchema bufferSchema = new MgFeatureSchema("BufferLayerSchema", "temporary schema to hold a buffer");
bufferSchema.GetClasses().Add(bufferClass);
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "defaultSrs", wkt, bufferSchema);
featureService.CreateFeatureSource(bufferFeatureResId, sdfParams);
}
public void CreateParcelMarkerFeatureSource(MgFeatureService featureService, String wkt, MgResourceIdentifier parcelMarkerDataResId)
{
MgClassDefinition parcelClass = new MgClassDefinition();
parcelClass.SetName("ParcelMarkerClass");
MgPropertyDefinitionCollection properties = parcelClass.GetProperties();
MgDataPropertyDefinition idProperty = new MgDataPropertyDefinition("ID");
idProperty.SetDataType(MgPropertyType.Int32);
idProperty.SetReadOnly(true);
idProperty.SetNullable(false);
idProperty.SetAutoGeneration(true);
properties.Add(idProperty);
MgGeometricPropertyDefinition pointProperty = new MgGeometricPropertyDefinition("ParcelLocation");
pointProperty.SetGeometryTypes(MgGeometryType.Point);
pointProperty.SetHasElevation(false);
pointProperty.SetHasMeasure(false);
pointProperty.SetReadOnly(false);
pointProperty.SetSpatialContextAssociation("defaultSrs");
properties.Add(pointProperty);
MgPropertyDefinitionCollection idProperties = parcelClass.GetIdentityProperties();
idProperties.Add(idProperty);
parcelClass.SetDefaultGeometryPropertyName("ParcelLocation");
MgFeatureSchema parcelSchema = new MgFeatureSchema("ParcelLayerSchema", "temporary schema to hold parcel markers");
parcelSchema.GetClasses().Add(parcelClass);
MgCreateSdfParams sdfParams = new MgCreateSdfParams("defaultSrs", wkt, parcelSchema);
featureService.CreateFeatureSource(parcelMarkerDataResId, sdfParams);
}
private void CreateRedlineLayer()
{
MgMapBase map = mgMapViewer1.GetMap();
MgdServiceFactory fact = new MgdServiceFactory();
MgdFeatureService featSvc = (MgdFeatureService)fact.CreateService(MgServiceType.FeatureService);
MgResourceService resSvc = (MgResourceService)fact.CreateService(MgServiceType.ResourceService);
//Note that mg-desktop does not have a concept of sessions like the
//official MapGuide API, but it *does* allow session-based resources
//as a way of having temporary resources. Such resources will reside
//in a special directory for session resources (specified in Platform.ini)
//
//You can plug whatever string as the session id, but the resource identifier
//must satisfy the session id pattern:
//
// Session:<session id string>//Path/To/Your.ResourceType
//
//These files are removed with MgPlatform.Terminate(), which is called in this
//application as part of the exiting process.
string sessionId = Guid.NewGuid().ToString();
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.FeatureSource");
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.LayerDefinition");
//Create our point redline schema. It looks like this:
//
// Default
// Redline
// ID (int32, autogenerated)
// Geometry (coordinate system same as map
string featureClass = "Default:Redline";
string geometry = "Geometry";
MgFeatureSchema schema = new MgFeatureSchema("Default", "Redline schema");
MgClassDefinition cls = new MgClassDefinition();
cls.Name = "Redline";
MgDataPropertyDefinition id = new MgDataPropertyDefinition("ID");
id.DataType = MgPropertyType.Int32;
id.SetAutoGeneration(true);
MgGeometricPropertyDefinition geom = new MgGeometricPropertyDefinition(geometry);
geom.SpatialContextAssociation = "Default";
geom.GeometryTypes = MgFeatureGeometricType.Curve | MgFeatureGeometricType.Point | MgFeatureGeometricType.Solid | MgFeatureGeometricType.Surface;
MgPropertyDefinitionCollection clsProps = cls.GetProperties();
clsProps.Add(id);
clsProps.Add(geom);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(id);
cls.DefaultGeometryPropertyName = geometry;
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//Create the feature source with this schema. We use the map's
//coordinate system for the feature source to ensure features
//that we create, will line up with the map
MgFileFeatureSourceParams create = new MgFileFeatureSourceParams("OSGeo.SDF", "Default", map.GetMapSRS(), schema);
featSvc.CreateFeatureSource(fsId, create);
//Then create the layer definition. RedlineLayer.xml contains the template
string xml = string.Format(File.ReadAllText("RedlineLayer.xml"), fsId.ToString(), featureClass, geometry);
var bytes = Encoding.UTF8.GetBytes(xml);
MgByteSource source = new MgByteSource(bytes, bytes.Length);
resSvc.SetResource(ldfId, source.GetReader(), null);
//Now create the runtime layer and add to map
_pointLayer = new MgdLayer(ldfId, resSvc);
_pointLayer.LegendLabel = "Redlining";
_pointLayer.Name = "Redline";
_pointLayer.Visible = true;
_pointLayer.Selectable = true;
_pointLayer.DisplayInLegend = true;
var layers = map.GetLayers();
layers.Insert(0, _pointLayer);
}
private void Ensure()
{
if (_registryFsId == null)
{
_registryFsId = new MgResourceIdentifier("Session:" + _sessionID + "//MarkupRegistry.FeatureSource");
if (!_resSvc.ResourceExists(_registryFsId))
{
//Markup Registry Feature Source Schema
//
//Default
// MarkupRegistry
// ResourceId (String, Identity, Not Null)
// LayerDefintion (String, Not Null)
// Name (String, Not Null)
// FdoProvider (String, Not Null)
// GeometryTypes (Int, Not Null)
MgFeatureSchema schema = new MgFeatureSchema("Default", "");
MgClassDefinition cls = new MgClassDefinition();
cls.SetName("MarkupRegistry");
MgDataPropertyDefinition regId = new MgDataPropertyDefinition("ResourceId");
regId.SetDataType(MgPropertyType.String);
regId.SetLength(1024);
regId.SetNullable(false);
MgDataPropertyDefinition layerDefId = new MgDataPropertyDefinition("LayerDefinition");
layerDefId.SetDataType(MgPropertyType.String);
layerDefId.SetLength(1024);
layerDefId.SetNullable(false);
MgDataPropertyDefinition name = new MgDataPropertyDefinition("Name");
name.SetDataType(MgPropertyType.String);
name.SetLength(512);
name.SetNullable(false);
MgDataPropertyDefinition provider = new MgDataPropertyDefinition("FdoProvider");
provider.SetDataType(MgPropertyType.String);
provider.SetLength(512);
provider.SetNullable(false);
MgDataPropertyDefinition geomTypes = new MgDataPropertyDefinition("GeometryTypes");
geomTypes.SetDataType(MgPropertyType.Int32);
geomTypes.SetNullable(false);
MgDataPropertyDefinition styleType = new MgDataPropertyDefinition("StyleType");
styleType.SetDataType(MgPropertyType.Int32);
styleType.SetNullable(false);
MgPropertyDefinitionCollection dataProps = cls.GetProperties();
dataProps.Add(regId);
dataProps.Add(layerDefId);
dataProps.Add(name);
dataProps.Add(provider);
dataProps.Add(geomTypes);
dataProps.Add(styleType);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(regId);
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//No coordinate system required here because we're not storing spatial data
MgFileFeatureSourceParams createSdf = new MgFileFeatureSourceParams("OSGeo.SDF", "Default", "", schema);
_featSvc.CreateFeatureSource(_registryFsId, createSdf);
}
}
}
void CreateLocationMarkerFeatureSource(MgFeatureService featureService, MgResourceIdentifier locationMarkerDataResId)
{
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]]";
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("LL84");
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("LL84", ll84Wkt, locationSchema);
featureService.CreateFeatureSource(locationMarkerDataResId, sdfParams);
}
internal static MgFeatureSchema ConvertSchema(FeatureSchema source)
{
MgFeatureSchema fs = new MgFeatureSchema(source.Name, source.Description);
MgClassDefinitionCollection classes = fs.GetClasses();
foreach (ClassDefinition cls in source.Classes)
{
MgClassDefinition clsDef = new MgClassDefinition();
clsDef.SetName(cls.Name);
clsDef.SetDescription(cls.Description);
clsDef.SetDefaultGeometryPropertyName(cls.DefaultGeometryPropertyName);
var clsProps = clsDef.GetProperties();
var idProps = clsDef.GetIdentityProperties();
foreach (PropertyDefinition prop in cls.Properties)
{
switch (prop.Type)
{
case PropertyDefinitionType.Data:
{
var dp = new MgDataPropertyDefinition(prop.Name);
var srcDp = (DataPropertyDefinition)prop;
dp.SetAutoGeneration(srcDp.IsAutoGenerated);
dp.SetDataType((int)srcDp.DataType);
if (srcDp.DefaultValue != null)
{
dp.SetDefaultValue(srcDp.DefaultValue);
}
if (srcDp.Description != null)
{
dp.SetDescription(srcDp.Description);
}
dp.SetLength(srcDp.Length);
dp.SetNullable(srcDp.IsNullable);
dp.SetPrecision(srcDp.Precision);
dp.SetReadOnly(srcDp.IsReadOnly);
dp.SetScale(srcDp.Scale);
clsProps.Add(dp);
if (cls.IdentityProperties.Contains(srcDp))
{
idProps.Add(dp);
}
}
break;
case PropertyDefinitionType.Geometry:
{
var gp = new MgGeometricPropertyDefinition(prop.Name);
var srcGp = (GeometricPropertyDefinition)prop;
if (srcGp.Description != null)
{
gp.SetDescription(srcGp.Description);
}
gp.SetGeometryTypes((int)srcGp.GeometricTypes);
gp.SetHasElevation(srcGp.HasElevation);
gp.SetHasMeasure(srcGp.HasMeasure);
gp.SetReadOnly(srcGp.IsReadOnly);
if (srcGp.SpatialContextAssociation != null)
{
gp.SetSpatialContextAssociation(srcGp.SpatialContextAssociation);
}
clsProps.Add(gp);
}
break;
case PropertyDefinitionType.Raster:
{
var rp = new MgRasterPropertyDefinition(prop.Name);
var srcRp = (RasterPropertyDefinition)prop;
rp.SetDefaultImageXSize(srcRp.DefaultImageYSize);
rp.SetDefaultImageYSize(srcRp.DefaultImageYSize);
if (srcRp.Description != null)
{
rp.SetDescription(srcRp.Description);
}
rp.SetNullable(srcRp.IsNullable);
rp.SetReadOnly(srcRp.IsReadOnly);
if (srcRp.SpatialContextAssociation != null)
{
rp.SetSpatialContextAssociation(srcRp.SpatialContextAssociation);
}
clsProps.Add(rp);
}
break;
default:
throw new NotSupportedException();
}
}
classes.Add(clsDef);
}
return(fs);
}
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 CreateRedlineLayer()
{
MgMapBase map = mgMapViewer1.GetMap();
MgdServiceFactory fact = new MgdServiceFactory();
MgdFeatureService featSvc = (MgdFeatureService)fact.CreateService(MgServiceType.FeatureService);
MgResourceService resSvc = (MgResourceService)fact.CreateService(MgServiceType.ResourceService);
//Note that mg-desktop does not have a concept of sessions like the
//official MapGuide API, but it *does* allow session-based resources
//as a way of having temporary resources. Such resources will reside
//in a special directory for session resources (specified in Platform.ini)
//
//You can plug whatever string as the session id, but the resource identifier
//must satisfy the session id pattern:
//
// Session:<session id string>//Path/To/Your.ResourceType
//
//These files are removed with MgPlatform.Terminate(), which is called in this
//application as part of the exiting process.
string sessionId = Guid.NewGuid().ToString();
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.FeatureSource");
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.LayerDefinition");
//Create our point redline schema. It looks like this:
//
// Default
// Redline
// ID (int32, autogenerated)
// Geometry (coordinate system same as map
string featureClass = "Default:Redline";
string geometry = "Geometry";
MgFeatureSchema schema = new MgFeatureSchema("Default", "Redline schema");
MgClassDefinition cls = new MgClassDefinition();
cls.Name = "Redline";
MgDataPropertyDefinition id = new MgDataPropertyDefinition("ID");
id.DataType = MgPropertyType.Int32;
id.SetAutoGeneration(true);
MgGeometricPropertyDefinition geom = new MgGeometricPropertyDefinition(geometry);
geom.SpatialContextAssociation = "Default";
geom.GeometryTypes = MgFeatureGeometricType.Curve | MgFeatureGeometricType.Point | MgFeatureGeometricType.Solid | MgFeatureGeometricType.Surface;
MgPropertyDefinitionCollection clsProps = cls.GetProperties();
clsProps.Add(id);
clsProps.Add(geom);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(id);
cls.DefaultGeometryPropertyName = geometry;
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//Create the feature source with this schema. We use the map's
//coordinate system for the feature source to ensure features
//that we create, will line up with the map
MgCreateSdfParams create = new MgCreateSdfParams("Default", map.GetMapSRS(), schema);
featSvc.CreateFeatureSource(fsId, create);
//Then create the layer definition. RedlineLayer.xml contains the template
string xml = string.Format(File.ReadAllText("RedlineLayer.xml"), fsId.ToString(), featureClass, geometry);
var bytes = Encoding.UTF8.GetBytes(xml);
MgByteSource source = new MgByteSource(bytes, bytes.Length);
resSvc.SetResource(ldfId, source.GetReader(), null);
//Now create the runtime layer and add to map
_pointLayer = new MgdLayer(ldfId, resSvc);
_pointLayer.LegendLabel = "Redlining";
_pointLayer.Name = "Redline";
_pointLayer.Visible = true;
_pointLayer.Selectable = true;
_pointLayer.DisplayInLegend = true;
var layers = map.GetLayers();
layers.Insert(0, _pointLayer);
}
// 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);
}
private void CheckRedlineLayer()
{
if (_redlineLayer == null)
{
MgdMap map = (MgdMap)_viewer.GetMap();
MgMapViewerProvider provider = _viewer.GetProvider();
MgdFeatureService featSvc = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgResourceService resSvc = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
string sessionId = Guid.NewGuid().ToString();
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.FeatureSource");
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.LayerDefinition");
string featureClass = "Default:Redline";
string geometry = "Geometry";
string xml = string.Format(Layers.Redline, fsId.ToString(), featureClass, geometry);
//Construct our schema for the redline data store
MgFeatureSchema schema = new MgFeatureSchema("Default", "Redline schema");
MgClassDefinition cls = new MgClassDefinition();
cls.Name = "Redline";
MgDataPropertyDefinition id = new MgDataPropertyDefinition("ID");
id.DataType = MgPropertyType.Int32;
id.SetAutoGeneration(true);
MgGeometricPropertyDefinition geom = new MgGeometricPropertyDefinition(geometry);
geom.SpatialContextAssociation = "Default";
geom.GeometryTypes = MgFeatureGeometricType.Curve | MgFeatureGeometricType.Point | MgFeatureGeometricType.Solid | MgFeatureGeometricType.Surface;
MgPropertyDefinitionCollection clsProps = cls.GetProperties();
clsProps.Add(id);
clsProps.Add(geom);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(id);
cls.DefaultGeometryPropertyName = geometry;
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//Create the feature source
MgCreateSdfParams create = new MgCreateSdfParams("Default", map.GetMapSRS(), schema);
featSvc.CreateFeatureSource(fsId, create);
//Then the layer definition
byte[] bytes = Encoding.UTF8.GetBytes(xml);
MgByteSource source = new MgByteSource(bytes, bytes.Length);
resSvc.SetResource(ldfId, source.GetReader(), null);
//Now create the runtime layer and add to map
_redlineLayer = new MgdLayer(ldfId, resSvc);
_redlineLayer.LegendLabel = "Redlining";
_redlineLayer.Name = "Redline";
_redlineLayer.Visible = true;
_redlineLayer.Selectable = true;
_redlineLayer.DisplayInLegend = true;
MgLayerCollection layers = map.GetLayers();
layers.Insert(0, _redlineLayer);
}
}
private void btnCreatePointsOfInterest_Click(object sender, EventArgs e)
{
string layerName = "Points";
string legendLabel = "Points of Interest";
string groupName = "Analysis";
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//We use MgdFeatureService instead of MgFeatureService as this sample demonstrates APIs unique to mg-desktop
MgdFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerGroupCollection groups = map.GetLayerGroups();
//NOTE: mg-desktop has no formal concept of a session repository, but we still
//support session-based resources as a form of temporary resource (for the duration
//of the application). Session ids in mg-desktop can be any arbitrary string
string sessionId = Guid.NewGuid().ToString();
if (layers.IndexOf(layerName) >= 0)
{
MessageBox.Show("Layer (" + layerName + ") already created");
return;
}
//---------------------------------------------------//
// Create a feature source with point data.
// (The Sheboygan sample data does not contain such data,
// so we"ll create it.)
// Create a feature class definition for the new feature source
MgClassDefinition classDefinition = new MgClassDefinition();
classDefinition.SetName("Points");
classDefinition.SetDescription("Feature class with point data.");
classDefinition.SetDefaultGeometryPropertyName("GEOM");
MgPropertyDefinitionCollection idProps = classDefinition.GetIdentityProperties();
MgPropertyDefinitionCollection clsProps = classDefinition.GetProperties();
// Create an identify property
MgDataPropertyDefinition identityProperty = new MgDataPropertyDefinition("KEY");
identityProperty.SetDataType(MgPropertyType.Int32);
identityProperty.SetAutoGeneration(true);
identityProperty.SetReadOnly(true);
// Add the identity property to the class definition
clsProps.Add(identityProperty);
idProps.Add(identityProperty);
// Create a name property
MgDataPropertyDefinition nameProperty = new MgDataPropertyDefinition("NAME");
nameProperty.SetDataType(MgPropertyType.String);
// Add the name property to the class definition
clsProps.Add(nameProperty);
// Create a geometry property
MgGeometricPropertyDefinition geometryProperty = new MgGeometricPropertyDefinition("GEOM");
geometryProperty.SetGeometryTypes(MgFeatureGeometricType.Point);
// Add the geometry property to the class definition
clsProps.Add(geometryProperty);
// Create a feature schema
MgFeatureSchema featureSchema = new MgFeatureSchema("PointSchema", "Point schema");
MgClassDefinitionCollection classes = featureSchema.GetClasses();
// Add the feature schema to the class definition
classes.Add(classDefinition);
// Create the feature source
String featureSourceName = "Library://Samples/DevGuide/Data/points.FeatureSource";
MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName);
//wkt = "LOCALCS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]";
String wkt = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "LatLong", wkt, featureSchema);
featureService.CreateFeatureSource(resourceIdentifier, sdfParams);
// We need to add some data to the sdf before using it. The spatial context
// reader must have an extent.
MgBatchPropertyCollection batchPropertyCollection = new MgBatchPropertyCollection();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometryFactory geometryFactory = new MgGeometryFactory();
// Make four points
batchPropertyCollection.Add(MakePoint("Point A", -87.727, 43.748, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point B", -87.728, 43.730, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point C", -87.726, 43.750, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point D", -87.728, 43.750, wktReaderWriter, agfReaderWriter));
// Old way commented out
/*
* // Add the batch property collection to the feature source
* MgInsertFeatures cmd = new MgInsertFeatures("Points", batchPropertyCollection);
* MgFeatureCommandCollection featureCommandCollection = new MgFeatureCommandCollection();
* featureCommandCollection.Add(cmd);
*
* // Execute the "add" commands
* featureService.UpdateFeatures(resourceIdentifier, featureCommandCollection, false);
*/
// Here's the mg-desktop way
MgFeatureReader insertResult = featureService.InsertFeatures(resourceIdentifier, "Points", batchPropertyCollection);
insertResult.Close();
// ...
//---------------------------------------------------//
// Create a new layer
LayerDefinitionFactory factory = new LayerDefinitionFactory();
// Create a mark symbol
String resourceId = "Library://Samples/Sheboygan/Symbols/BasicSymbols.SymbolLibrary";
String symbolName = "PushPin";
String width = "24"; // unit = points
String height = "24"; // unit = points
String color = "FFFF0000";
String markSymbol = factory.CreateMarkSymbol(resourceId, symbolName, width, height, color);
// Create a text symbol
String text = "ID";
String fontHeight = "12";
String foregroundColor = "FF000000";
String textSymbol = factory.CreateTextSymbol(text, fontHeight, foregroundColor);
// Create a point rule.
String ruleLegendLabel = "trees";
String filter = "";
String pointRule = factory.CreatePointRule(ruleLegendLabel, filter, textSymbol, markSymbol);
// Create a point type style.
String pointTypeStyle = factory.CreatePointTypeStyle(pointRule);
// Create a scale range.
String minScale = "0";
String maxScale = "1000000000000";
String pointScaleRange = factory.CreateScaleRange(minScale, maxScale, pointTypeStyle);
// Create the layer definiton.
String featureName = "PointSchema:Points";
String geometry = "GEOM";
String layerDefinition = factory.CreateLayerDefinition(featureSourceName, featureName, geometry, pointScaleRange);
//---------------------------------------------------//
// ...
XmlDocument domDocument = new XmlDocument();
domDocument.LoadXml(layerDefinition);
//Add the layer to the map
// TODO: Should probably validate this XML content
using (MemoryStream ms = new MemoryStream())
{
domDocument.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] ldfBytes = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(ldfBytes));
ldfBytes = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, ldfBytes, 0);
// Save the new layer definition to the session repository
MgByteSource byteSource = new MgByteSource(ldfBytes, ldfBytes.Length);
MgResourceIdentifier resourceID = new MgResourceIdentifier("Session:" + sessionId + "//" + layerName + ".LayerDefinition");
resourceService.SetResource(resourceID, byteSource.GetReader(), null);
//Insert this layer to our map
MgdLayer newLayer = new MgdLayer(resourceID, resourceService);
newLayer.Name = layerName;
newLayer.LegendLabel = legendLabel;
newLayer.DisplayInLegend = true;
newLayer.SetVisible(true);
layers.Insert(0, newLayer);
//Create analysis group if not already created
if (groups.IndexOf(groupName) < 0)
{
MgLayerGroup group = new MgLayerGroup(groupName);
group.LegendLabel = groupName;
group.DisplayInLegend = true;
groups.Add(group);
newLayer.Group = group;
}
MessageBox.Show("Layer (" + layerName + ") created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
public static MgFeatureSchema CreateSchema(MgClassDefinition classDef, string name, string desc)
{
MgFeatureSchema schema = new MgFeatureSchema(name, desc);
schema.GetClasses().Add(classDef);
return schema;
}
//----------------------------------------------------------------------------------------
// �� �ܣ� ����Ҫ��Դ
//
// �� �ߣ�
//
//
// �� �ڣ�2007.05.#
//
//-----------------------------------------------------------------------------------------
public void CreateFeatureSource(String sessionId)
{
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
// ΪҪ��Դ������ʱҪ����
MgClassDefinition classDefinition = new MgClassDefinition();
classDefinition.SetName("Points");
classDefinition.SetDescription("��ʱҪ���ࣨ�㣩");
classDefinition.SetDefaultGeometryPropertyName("GEOM");
// ����Ҫ�����ʶ����
MgDataPropertyDefinition identityProperty = new MgDataPropertyDefinition("KEY");
identityProperty.SetDataType(MgPropertyType.Int32);
identityProperty.SetAutoGeneration(true);
identityProperty.SetReadOnly(true);
classDefinition.GetIdentityProperties().Add(identityProperty);
classDefinition.GetProperties().Add(identityProperty);
// ������ͨ���ԣ�NAME)
MgDataPropertyDefinition nameProperty = new MgDataPropertyDefinition("NAME");
nameProperty.SetDataType(MgPropertyType.String);
classDefinition.GetProperties().Add(nameProperty);
// �����������ԣ�GEOM)
MgGeometricPropertyDefinition geometryProperty = new MgGeometricPropertyDefinition("GEOM");
geometryProperty.SetGeometryTypes(MgFeatureGeometricType.Point);
classDefinition.GetProperties().Add(geometryProperty);
// ����Ҫ��ģʽ
MgFeatureSchema featureSchema = new MgFeatureSchema("PointSchema", "this is Point schema");
featureSchema.GetClasses().Add(classDefinition);
// ����Ҫ��Դ
String featureSourceName = "Session:" + sessionId + "//Points.FeatureSource";
MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName);
String wkt = "LOCALCS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]";
MgCreateSdfParams sdfParams = new MgCreateSdfParams("ArbitraryXY", wkt, featureSchema);
featureService.CreateFeatureSource(resourceIdentifier, sdfParams);
}
private void btnCreatePointsOfInterest_Click(object sender, EventArgs e)
{
string layerName = "Points";
string legendLabel = "Points of Interest";
string groupName = "Analysis";
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//We use MgdFeatureService instead of MgFeatureService as this sample demonstrates APIs unique to mg-desktop
MgdFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerGroupCollection groups = map.GetLayerGroups();
//NOTE: mg-desktop has no formal concept of a session repository, but we still
//support session-based resources as a form of temporary resource (for the duration
//of the application). Session ids in mg-desktop can be any arbitrary string
string sessionId = Guid.NewGuid().ToString();
if (layers.IndexOf(layerName) >= 0)
{
MessageBox.Show("Layer (" + layerName + ") already created");
return;
}
//---------------------------------------------------//
// Create a feature source with point data.
// (The Sheboygan sample data does not contain such data,
// so we"ll create it.)
// Create a feature class definition for the new feature source
MgClassDefinition classDefinition = new MgClassDefinition();
classDefinition.SetName("Points");
classDefinition.SetDescription("Feature class with point data.");
classDefinition.SetDefaultGeometryPropertyName("GEOM");
MgPropertyDefinitionCollection idProps = classDefinition.GetIdentityProperties();
MgPropertyDefinitionCollection clsProps = classDefinition.GetProperties();
// Create an identify property
MgDataPropertyDefinition identityProperty = new MgDataPropertyDefinition("KEY");
identityProperty.SetDataType(MgPropertyType.Int32);
identityProperty.SetAutoGeneration(true);
identityProperty.SetReadOnly(true);
// Add the identity property to the class definition
clsProps.Add(identityProperty);
idProps.Add(identityProperty);
// Create a name property
MgDataPropertyDefinition nameProperty = new MgDataPropertyDefinition("NAME");
nameProperty.SetDataType(MgPropertyType.String);
// Add the name property to the class definition
clsProps.Add(nameProperty);
// Create a geometry property
MgGeometricPropertyDefinition geometryProperty = new MgGeometricPropertyDefinition("GEOM");
geometryProperty.SetGeometryTypes(MgFeatureGeometricType.Point);
// Add the geometry property to the class definition
clsProps.Add(geometryProperty);
// Create a feature schema
MgFeatureSchema featureSchema = new MgFeatureSchema("PointSchema", "Point schema");
MgClassDefinitionCollection classes = featureSchema.GetClasses();
// Add the feature schema to the class definition
classes.Add(classDefinition);
// Create the feature source
String featureSourceName = "Library://Samples/DevGuide/Data/points.FeatureSource";
MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName);
//wkt = "LOCALCS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]";
String wkt = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCreateSdfParams sdfParams = new MgCreateSdfParams("LatLong", wkt, featureSchema);
featureService.CreateFeatureSource(resourceIdentifier, sdfParams);
// We need to add some data to the sdf before using it. The spatial context
// reader must have an extent.
MgBatchPropertyCollection batchPropertyCollection = new MgBatchPropertyCollection();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometryFactory geometryFactory = new MgGeometryFactory();
// Make four points
batchPropertyCollection.Add(MakePoint("Point A", -87.727, 43.748, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point B", -87.728, 43.730, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point C", -87.726, 43.750, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point D", -87.728, 43.750, wktReaderWriter, agfReaderWriter));
// Old way commented out
/*
// Add the batch property collection to the feature source
MgInsertFeatures cmd = new MgInsertFeatures("Points", batchPropertyCollection);
MgFeatureCommandCollection featureCommandCollection = new MgFeatureCommandCollection();
featureCommandCollection.Add(cmd);
// Execute the "add" commands
featureService.UpdateFeatures(resourceIdentifier, featureCommandCollection, false);
*/
// Here's the mg-desktop way
MgPropertyCollection insertResult = featureService.InsertFeatures(resourceIdentifier, "Points", batchPropertyCollection);
for (int i = 0; i < insertResult.GetCount(); i++)
{
MgFeatureProperty fp = insertResult.GetItem(i) as MgFeatureProperty;
if (fp != null)
{
MgFeatureReader fr = fp.GetValue();
fr.Close();
}
}
// ...
//---------------------------------------------------//
// Create a new layer
LayerDefinitionFactory factory = new LayerDefinitionFactory();
// Create a mark symbol
String resourceId = "Library://Samples/Sheboygan/Symbols/BasicSymbols.SymbolLibrary";
String symbolName = "PushPin";
String width = "24"; // unit = points
String height = "24"; // unit = points
String color = "FFFF0000";
String markSymbol = factory.CreateMarkSymbol(resourceId, symbolName, width, height, color);
// Create a text symbol
String text = "ID";
String fontHeight = "12";
String foregroundColor = "FF000000";
String textSymbol = factory.CreateTextSymbol(text, fontHeight, foregroundColor);
// Create a point rule.
String ruleLegendLabel = "trees";
String filter = "";
String pointRule = factory.CreatePointRule(ruleLegendLabel, filter, textSymbol, markSymbol);
// Create a point type style.
String pointTypeStyle = factory.CreatePointTypeStyle(pointRule);
// Create a scale range.
String minScale = "0";
String maxScale = "1000000000000";
String pointScaleRange = factory.CreateScaleRange(minScale, maxScale, pointTypeStyle);
// Create the layer definiton.
String featureName = "PointSchema:Points";
String geometry = "GEOM";
String layerDefinition = factory.CreateLayerDefinition(featureSourceName, featureName, geometry, pointScaleRange);
//---------------------------------------------------//
// ...
XmlDocument domDocument = new XmlDocument();
domDocument.LoadXml(layerDefinition);
//Add the layer to the map
// TODO: Should probably validate this XML content
using (MemoryStream ms = new MemoryStream())
{
domDocument.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] ldfBytes = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(ldfBytes));
ldfBytes = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, ldfBytes, 0);
// Save the new layer definition to the session repository
MgByteSource byteSource = new MgByteSource(ldfBytes, ldfBytes.Length);
MgResourceIdentifier resourceID = new MgResourceIdentifier("Session:" + sessionId + "//" + layerName + ".LayerDefinition");
resourceService.SetResource(resourceID, byteSource.GetReader(), null);
//Insert this layer to our map
MgdLayer newLayer = new MgdLayer(resourceID, resourceService);
newLayer.Name = layerName;
newLayer.LegendLabel = legendLabel;
newLayer.DisplayInLegend = true;
newLayer.SetVisible(true);
layers.Insert(0, newLayer);
//Create analysis group if not already created
if (groups.IndexOf(groupName) < 0)
{
MgLayerGroup group = new MgLayerGroup(groupName);
group.LegendLabel = groupName;
group.DisplayInLegend = true;
groups.Add(group);
newLayer.Group = group;
}
MessageBox.Show("Layer (" + layerName + ") created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
legend.RefreshLegend();
}
}
public RedlineLayer CreateRedlineLayer(CreateRedlineLayerParams param, out bool bAddedToMap)
{
bAddedToMap = false;
MgResourceIdentifier fsId = GenerateRedlineFeatureSourceId(param);
string className = null;
string providerName = null;
if (_resSvc.ResourceExists(fsId))
{
MgFeatureSchemaCollection schemas = _featSvc.DescribeSchema(fsId, string.Empty, null);
MgFeatureSchema schema = schemas.GetItem(0);
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = classes.GetItem(0);
className = schema.Name + ":" + cls.Name;
}
else
{
MgFeatureSchema schema = RedlineSchemaFactory.CreateSchema(param.GeometryTypes);
providerName = "OSGeo.SDF";
if (param.Format == RedlineDataStoreFormat.SHP)
{
providerName = "OSGeo.SHP";
}
else if (param.Format == RedlineDataStoreFormat.SQLite)
{
providerName = "OSGeo.SQLite";
}
MgFileFeatureSourceParams createParams = new MgFileFeatureSourceParams(providerName, RedlineSchemaFactory.SPATIAL_CONTEXT, _map.GetMapSRS(), schema);
_featSvc.CreateFeatureSource(fsId, createParams);
//HACK: SQLite leaky abstraction (hard-coded schema name), SHP probably has some leaks of its own, so we can't assume MarkupSchema:Markup
//as the class name so re-interrogate our schema to figure it out
MgFeatureSchemaCollection schemas = _featSvc.DescribeSchema(fsId, string.Empty, null);
schema = schemas.GetItem(0);
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = classes.GetItem(0);
className = schema.Name + ":" + cls.Name;
}
MgResourceIdentifier ldfId = GenerateRedlineLayerDefinitionId(param);
if (!_resSvc.ResourceExists(ldfId))
{
string layerDefContent = CreateRedlineLayerDefinitionContent(fsId, className, param.Style, param.StyleType);
byte[] bytes = Encoding.UTF8.GetBytes(layerDefContent);
MgByteSource byteSource = new MgByteSource(bytes, bytes.Length);
MgByteReader byteReader = byteSource.GetReader();
_resSvc.SetResource(ldfId, byteReader, null);
}
if (param.AddToMap)
{
AddRedlineLayerToMap(ldfId);
bAddedToMap = true;
}
var layer = new RedlineLayer(ldfId.Name, fsId.ToString(), ldfId.ToString(), param.GeometryTypes, param.StyleType);
//If provider name was set, then we register this layer in the registry. Otherwise it means
//the layer already exists and by extension already registered
if (providerName != null)
{
_registry.AddRedlineLayer(layer, providerName);
}
return(layer);
}
private void CreateDebugFeatureSource()
{
var id = new MgDataPropertyDefinition("ID"); //NOXLATE
id.DataType = MgPropertyType.Int32;
id.Nullable = false;
id.SetAutoGeneration(true);
var geom = new MgGeometricPropertyDefinition("Geometry"); //NOXLATE
geom.GeometryTypes = MgFeatureGeometricType.Point;
geom.SpatialContextAssociation = "MapCs"; //NOXLATE
var cls = new MgClassDefinition();
cls.Name = "Debug"; //NOXLATE
var props = cls.GetProperties();
props.Add(id);
props.Add(geom);
var idProps = cls.GetIdentityProperties();
idProps.Add(id);
cls.DefaultGeometryPropertyName = "Geometry"; //NOXLATE
var schema = new MgFeatureSchema("Default", "Default schema"); //NOXLATE
var classes = schema.GetClasses();
classes.Add(cls);
//We can make anything up here, there's no real concept of sessions
var sessionId = Guid.NewGuid().ToString();
var debugFsId = new MgResourceIdentifier("Session:" + sessionId + "//Debug" + Guid.NewGuid().ToString() + ".FeatureSource"); //NOXLATE
var createSdf = new MgCreateSdfParams("MapCs", _map.GetMapSRS(), schema); //NOXLATE
var featureSvc = (MgdFeatureService)fact.CreateService(MgServiceType.FeatureService);
var resSvc = (MgResourceService)fact.CreateService(MgServiceType.ResourceService);
featureSvc.CreateFeatureSource(debugFsId, createSdf);
byte[] bytes = Encoding.UTF8.GetBytes(string.Format(Debug.DebugLayer, debugFsId.ToString(), "Default:Debug", "Geometry")); //NOXLATE
var source = new MgByteSource(bytes, bytes.Length);
var debugLayerId = new MgResourceIdentifier("Session:" + sessionId + "//" + debugFsId.Name + ".LayerDefinition"); //NOXLATE
var breader = source.GetReader();
resSvc.SetResource(debugLayerId, breader, null);
_debugLayer = new MgdLayer(debugLayerId, resSvc);
_debugLayer.SetLegendLabel("Debug Layer"); //NOXLATE
_debugLayer.SetVisible(true);
_debugLayer.SetDisplayInLegend(true);
var mapLayers = _map.GetLayers();
mapLayers.Insert(0, _debugLayer);
UpdateCenterDebugPoint();
}
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 Ensure()
{
if (_registryFsId == null)
{
_registryFsId = new MgResourceIdentifier("Session:" + _sessionID + "//MarkupRegistry.FeatureSource");
if (!_resSvc.ResourceExists(_registryFsId))
{
//Markup Registry Feature Source Schema
//
//Default
// MarkupRegistry
// ResourceId (String, Identity, Not Null)
// LayerDefintion (String, Not Null)
// Name (String, Not Null)
// FdoProvider (String, Not Null)
// GeometryTypes (Int, Not Null)
MgFeatureSchema schema = new MgFeatureSchema("Default", "");
MgClassDefinition cls = new MgClassDefinition();
cls.SetName("MarkupRegistry");
MgDataPropertyDefinition regId = new MgDataPropertyDefinition("ResourceId");
regId.SetDataType(MgPropertyType.String);
regId.SetLength(1024);
regId.SetNullable(false);
MgDataPropertyDefinition layerDefId = new MgDataPropertyDefinition("LayerDefinition");
layerDefId.SetDataType(MgPropertyType.String);
layerDefId.SetLength(1024);
layerDefId.SetNullable(false);
MgDataPropertyDefinition name = new MgDataPropertyDefinition("Name");
name.SetDataType(MgPropertyType.String);
name.SetLength(512);
name.SetNullable(false);
MgDataPropertyDefinition provider = new MgDataPropertyDefinition("FdoProvider");
provider.SetDataType(MgPropertyType.String);
provider.SetLength(512);
provider.SetNullable(false);
MgDataPropertyDefinition geomTypes = new MgDataPropertyDefinition("GeometryTypes");
geomTypes.SetDataType(MgPropertyType.Int32);
geomTypes.SetNullable(false);
MgDataPropertyDefinition styleType = new MgDataPropertyDefinition("StyleType");
styleType.SetDataType(MgPropertyType.Int32);
styleType.SetNullable(false);
MgPropertyDefinitionCollection dataProps = cls.GetProperties();
dataProps.Add(regId);
dataProps.Add(layerDefId);
dataProps.Add(name);
dataProps.Add(provider);
dataProps.Add(geomTypes);
dataProps.Add(styleType);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(regId);
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//No coordinate system required here because we're not storing spatial data
MgFileFeatureSourceParams createSdf = new MgFileFeatureSourceParams("OSGeo.SDF", "Default", "", schema);
_featSvc.CreateFeatureSource(_registryFsId, createSdf);
}
}
}
private MgFeatureSchema CreateFilterSchema()
{
MgFeatureSchema filterSchema = new MgFeatureSchema();
filterSchema.SetName("FilterSchema");
MgClassDefinition filterClass = new MgClassDefinition();
filterClass.SetName("Filter");
MgPropertyDefinitionCollection properties = filterClass.GetProperties();
MgDataPropertyDefinition idProperty = new MgDataPropertyDefinition("ID");
idProperty.SetDataType(MgPropertyType.Int32);
idProperty.SetReadOnly(true);
idProperty.SetNullable(false);
idProperty.SetAutoGeneration(true);
properties.Add(idProperty);
MgGeometricPropertyDefinition geometryProperty = new MgGeometricPropertyDefinition("Geometry");
geometryProperty.SetGeometryTypes(MgFeatureGeometricType.Surface);
geometryProperty.SetHasElevation(false);
geometryProperty.SetHasMeasure(true);
geometryProperty.SetReadOnly(false);
geometryProperty.SetSpatialContextAssociation("MAPCS");
properties.Add(geometryProperty);
filterClass.GetIdentityProperties().Add(idProperty);
filterClass.SetDefaultGeometryPropertyName("Geometry");
filterSchema.GetClasses().Add(filterClass);
return filterSchema;
}
//---------------------------------------------------------------------------------------
//
// ���ܣ�����һ����ΪtempParcel��Ҫ����
//
// ���ߣ�
//
// ���ڣ� 2007.5.23
//
// ����ʷ����
//
//---------------------------------------------------------------------------------------
private void createTempParcelFeatureSource(MgFeatureService featureService, MgResourceIdentifier resId)
{
MgClassDefinition parcelClass = null;
MgPropertyDefinitionCollection props = null;
string ll84Wkt = "";
//����Ҫ����
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]]";
parcelClass = new MgClassDefinition();
parcelClass.SetName("tempParcel");
props = parcelClass.GetProperties();
//����Ҫ���ඨ��ı�ʶ����
MgDataPropertyDefinition id = new MgDataPropertyDefinition("ID");
id.SetDataType(MgPropertyType.Int32);
id.SetReadOnly(true);
id.SetNullable(false);
id.SetAutoGeneration(true);
props.Add(id);
MgPropertyDefinitionCollection idProps = parcelClass.GetIdentityProperties();
idProps.Add(id);
//����Ҫ���ඨ��ļ�������
MgGeometricPropertyDefinition geom = new MgGeometricPropertyDefinition("GEOM");
geom.SetGeometryTypes(MgFeatureGeometricType.Surface);
geom.SetHasElevation(false);
geom.SetHasMeasure(false);
geom.SetSpatialContextAssociation("LL84");
props.Add(geom);
parcelClass.SetDefaultGeometryPropertyName("GEOM");
//����Ҫ���ඨ��һ�������
MgDataPropertyDefinition acre = new MgDataPropertyDefinition("ACRE");
acre.SetDataType(MgPropertyType.String);
acre.SetLength(256);
props.Add(acre);
MgDataPropertyDefinition billingAddr = new MgDataPropertyDefinition("BILLADDR");
billingAddr.SetDataType(MgPropertyType.String);
billingAddr.SetLength(64);
props.Add(billingAddr);
MgDataPropertyDefinition desc1 = new MgDataPropertyDefinition("DESC1");
desc1.SetDataType(MgPropertyType.String);
desc1.SetLength(64);
props.Add(desc1);
MgDataPropertyDefinition desc2 = new MgDataPropertyDefinition("DESC2");
desc2.SetDataType(MgPropertyType.String);
desc2.SetLength(64);
props.Add(desc2);
MgDataPropertyDefinition desc3 = new MgDataPropertyDefinition("DESC3");
desc3.SetDataType(MgPropertyType.String);
desc3.SetLength(64);
props.Add(desc3);
MgDataPropertyDefinition desc4 = new MgDataPropertyDefinition("DESC4");
desc4.SetDataType(MgPropertyType.String);
desc4.SetLength(64);
props.Add(desc4);
MgDataPropertyDefinition lotDimension = new MgDataPropertyDefinition("LOTDIM");
lotDimension.SetDataType(MgPropertyType.String);
lotDimension.SetLength(32);
props.Add(lotDimension);
MgDataPropertyDefinition sqft = new MgDataPropertyDefinition("SQFT");
sqft.SetDataType(MgPropertyType.Int32);
props.Add(sqft);
MgDataPropertyDefinition owner = new MgDataPropertyDefinition("OWNER");
owner.SetDataType(MgPropertyType.String);
owner.SetLength(64);
props.Add(owner);
MgDataPropertyDefinition zone = new MgDataPropertyDefinition("ZONE");
zone.SetDataType(MgPropertyType.String);
zone.SetLength(32);
props.Add(zone);
// ����ģʽ
MgFeatureSchema schema = new MgFeatureSchema();
schema.SetName("SchemaParcels");
schema.GetClasses().Add(parcelClass);
MgCreateSdfParams sdfParams = new MgCreateSdfParams("LL84", ll84Wkt, schema);
featureService.CreateFeatureSource(resId, sdfParams);
//
}
private void CreateSdf(MgResourceIdentifier sdfResId)
{
MgFeatureSchema schema = new MgFeatureSchema("Maintenance", "");
MgCreateSdfParams sdfParams = new MgCreateSdfParams("Main", this._helper.Map.MapSRS, schema);
schema.GetClasses().Add(CreateMaintenanceClass(false));
schema.GetClasses().Add(CreateMaintenanceClass(true));
schema.GetClasses().Add(CreateFieldsOrderClass());
this._helper.FeatureService.CreateFeatureSource(sdfResId, sdfParams);
this.SetOrder();
}
private void CheckRedlineLayer()
{
if (_redlineLayer == null)
{
MgdMap map = (MgdMap)_viewer.GetMap();
MgMapViewerProvider provider = _viewer.GetProvider();
MgdFeatureService featSvc = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgResourceService resSvc = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
string sessionId = Guid.NewGuid().ToString();
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.FeatureSource");
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + sessionId + "//Redline.LayerDefinition");
string featureClass = "Default:Redline";
string geometry = "Geometry";
string xml = string.Format(Layers.Redline, fsId.ToString(), featureClass, geometry);
//Construct our schema for the redline data store
MgFeatureSchema schema = new MgFeatureSchema("Default", "Redline schema");
MgClassDefinition cls = new MgClassDefinition();
cls.Name = "Redline";
MgDataPropertyDefinition id = new MgDataPropertyDefinition("ID");
id.DataType = MgPropertyType.Int32;
id.SetAutoGeneration(true);
MgGeometricPropertyDefinition geom = new MgGeometricPropertyDefinition(geometry);
geom.SpatialContextAssociation = "Default";
geom.GeometryTypes = MgFeatureGeometricType.Curve | MgFeatureGeometricType.Point | MgFeatureGeometricType.Solid | MgFeatureGeometricType.Surface;
MgPropertyDefinitionCollection clsProps = cls.GetProperties();
clsProps.Add(id);
clsProps.Add(geom);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(id);
cls.DefaultGeometryPropertyName = geometry;
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//Create the feature source
MgFileFeatureSourceParams create = new MgFileFeatureSourceParams("OSGeo.SDF", "Default", map.GetMapSRS(), schema);
featSvc.CreateFeatureSource(fsId, create);
//Then the layer definition
byte[] bytes = Encoding.UTF8.GetBytes(xml);
MgByteSource source = new MgByteSource(bytes, bytes.Length);
resSvc.SetResource(ldfId, source.GetReader(), null);
//Now create the runtime layer and add to map
_redlineLayer = new MgdLayer(ldfId, resSvc);
_redlineLayer.LegendLabel = "Redlining";
_redlineLayer.Name = "Redline";
_redlineLayer.Visible = true;
_redlineLayer.Selectable = true;
_redlineLayer.DisplayInLegend = true;
MgLayerCollection layers = map.GetLayers();
layers.Insert(0, _redlineLayer);
}
}