public ActionResult LoadSampleData(SetupInputModel input)
{
MgUserInformation user = new MgUserInformation(input.Username, input.Password);
MgSiteConnection conn = new MgSiteConnection();
conn.Open(user);
MgResourceService resSvc = (MgResourceService)conn.CreateService(MgServiceType.ResourceService);
//Load the package file if specified
if (input.Package != null && input.Package.ContentLength > 0)
{
var path = Path.GetTempFileName();
try
{
input.Package.SaveAs(path);
MgByteSource bs = new MgByteSource(path);
MgByteReader br = bs.GetReader();
resSvc.ApplyResourcePackage(br);
}
finally
{
try
{
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
}
catch { }
}
}
//Load in our sample-specific resources
MgResourceIdentifier sample1 = new MgResourceIdentifier(AJAX_LAYOUT);
MgResourceIdentifier sample2 = new MgResourceIdentifier(FLEX_LAYOUT);
MgByteSource bs1 = new MgByteSource(Server.MapPath("~/App_Data/SheboyganAspMvc.WebLayout.xml"));
MgByteReader br1 = bs1.GetReader();
resSvc.SetResource(sample1, br1, null);
MgByteSource bs2 = new MgByteSource(Server.MapPath("~/App_Data/SheboyganAspMvc.ApplicationDefinition.xml"));
MgByteReader br2 = bs2.GetReader();
resSvc.SetResource(sample2, br2, null);
return(RedirectToAction("Index"));
}
private static void LoadResource(MgResourceService resSvc, string resIdStr, string path)
{
MgResourceIdentifier resId = new MgResourceIdentifier(resIdStr);
MgByteSource bs = new MgByteSource(path);
MgByteReader br = bs.GetReader();
resSvc.SetResource(resId, br, null);
}
public override void Execute(IPlatformFactory factory, ITestLogger logger)
{
try
{
MgResourceService resSvc = (MgResourceService)factory.CreateService(MgServiceType.ResourceService);
var root = "../../TestData/TileService/";
LoadResource(resSvc, "Library://UnitTests/Data/RoadCenterLines.FeatureSource", root + "UT_RoadCenterLines.fs");
LoadResourceData(resSvc, "Library://UnitTests/Data/RoadCenterLines.FeatureSource", "UT_RoadCenterLines.sdf", MgResourceDataType.File, root + "UT_RoadCenterLines.sdf");
LoadResource(resSvc, "Library://UnitTests/Layers/RoadCenterLines.LayerDefinition", root + "UT_RoadCenterLines.ldf");
LoadResource(resSvc, "Library://UnitTests/Data/VotingDistricts.FeatureSource", root + "UT_VotingDistricts.fs");
LoadResourceData(resSvc, "Library://UnitTests/Data/VotingDistricts.FeatureSource", "UT_VotingDistricts.sdf", MgResourceDataType.File, root + "UT_VotingDistricts.sdf");
LoadResource(resSvc, "Library://UnitTests/Layers/VotingDistricts.LayerDefinition", root + "UT_VotingDistricts.ldf");
LoadResource(resSvc, "Library://UnitTests/Data/Parcels.FeatureSource", root + "UT_Parcels.fs");
LoadResourceData(resSvc, "Library://UnitTests/Data/Parcels.FeatureSource", "UT_Parcels.sdf", MgResourceDataType.File, root + "UT_Parcels.sdf");
LoadResource(resSvc, "Library://UnitTests/Layers/Parcels.LayerDefinition", root + "UT_Parcels.ldf");
byte[] tsd = Properties.Resources.UT_XYZ;
MgByteSource sourceTSD = new MgByteSource(tsd, tsd.Length);
MgByteReader contentTSD = sourceTSD.GetReader();
MgResourceIdentifier resTSD = new MgResourceIdentifier("Library://UnitTests/TileSets/Test.TileSetDefinition");
resSvc.SetResource(resTSD, contentTSD, null);
string mdf = Encoding.UTF8.GetString(Properties.Resources.UT_BaseMap);
mdf = string.Format(mdf, resTSD.ToString());
byte[] mdfBytes = Encoding.UTF8.GetBytes(mdf);
MgByteSource sourceMDF = new MgByteSource(mdfBytes, mdfBytes.Length);
MgByteReader contentMDF = sourceMDF.GetReader();
MgResourceIdentifier resMDF = new MgResourceIdentifier("Library://UnitTests/Maps/LinkedTileSet.MapDefinition");
resSvc.SetResource(resMDF, contentMDF, null);
//This should throw because making a MgMap from a Map Defintion that links to a XYZ tile set
//is not supported
MgMapBase map = factory.CreateMap(resMDF);
Assert.Fail("Expected MgUnsupportedTileProviderException to be thrown");
}
catch (MgUnsupportedTileProviderException)
{
}
}
public MgdLayer CreateBufferLayer(MgResourceService resourceService, MgResourceIdentifier bufferFeatureResId, String sessionId)
{
// Load the layer definition template into
// a XmlDocument object, find the "ResourceId" element, and
// modify its content to reference the temporary
// feature source.
XmlDocument doc = new XmlDocument();
doc.LoadXml(Layers.BufferLayerDefinition);
XmlNode featureSourceNode = doc.GetElementsByTagName("ResourceId")[0];
featureSourceNode.InnerText = bufferFeatureResId.ToString();
// Get the updated layer definition from the XmlDocument
// and save it to the session repository using the
// ResourceService object.
MgByteSource byteSource = null;
using (MemoryStream ms = new MemoryStream())
{
doc.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] layerDefinition = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(layerDefinition));
layerDefinition = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDefinition, 0);
byteSource = new MgByteSource(layerDefinition, layerDefinition.Length);
byteSource.SetMimeType(MgMimeType.Xml);
}
MgResourceIdentifier tempLayerResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.LayerDefinition");
resourceService.SetResource(tempLayerResId, byteSource.GetReader(), null);
// Create an MgLayer object based on the new layer definition
// and return it to the caller.
MgdLayer bufferLayer = new MgdLayer(tempLayerResId, resourceService);
bufferLayer.SetName("Buffer");
bufferLayer.SetLegendLabel("Buffer");
bufferLayer.SetDisplayInLegend(true);
bufferLayer.SetSelectable(false);
return(bufferLayer);
}
public MgdLayer CreateBufferLayer(MgResourceService resourceService, MgResourceIdentifier bufferFeatureResId, String sessionId)
{
// Load the layer definition template into
// a XmlDocument object, find the "ResourceId" element, and
// modify its content to reference the temporary
// feature source.
XmlDocument doc = new XmlDocument();
doc.LoadXml(Layers.BufferLayerDefinition);
XmlNode featureSourceNode = doc.GetElementsByTagName("ResourceId")[0];
featureSourceNode.InnerText = bufferFeatureResId.ToString();
// Get the updated layer definition from the XmlDocument
// and save it to the session repository using the
// ResourceService object.
MgByteSource byteSource = null;
using (MemoryStream ms = new MemoryStream())
{
doc.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] layerDefinition = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(layerDefinition));
layerDefinition = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDefinition, 0);
byteSource = new MgByteSource(layerDefinition, layerDefinition.Length);
byteSource.SetMimeType(MgMimeType.Xml);
}
MgResourceIdentifier tempLayerResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.LayerDefinition");
resourceService.SetResource(tempLayerResId, byteSource.GetReader(), null);
// Create an MgLayer object based on the new layer definition
// and return it to the caller.
MgdLayer bufferLayer = new MgdLayer(tempLayerResId, resourceService);
bufferLayer.SetName("Buffer");
bufferLayer.SetLegendLabel("Buffer");
bufferLayer.SetDisplayInLegend(true);
bufferLayer.SetSelectable(false);
return bufferLayer;
}
private void button1_Click(object sender, EventArgs e)
{
try
{
var fact = new MgdServiceFactory();
MgResourceService resSvc = (MgResourceService)fact.CreateService(MgServiceType.ResourceService);
MgResourceIdentifier resId = new MgResourceIdentifier(textBox1.Text);
MgByteSource source = new MgByteSource(textBox2.Text);
MgByteReader reader = source.GetReader();
resSvc.SetResource(resId, reader, null);
MessageBox.Show("Success!");
}
catch (MgException ex)
{
MessageBox.Show(ex.ToString(), "Error from MapGuide");
}
}
private string ApplyTheme(ThemeParams themeParams)
{
var provider = _viewer.GetProvider();
var map = _viewer.GetMap();
var layers = map.GetLayers();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
MgFeatureService featureService = (MgFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgResourceIdentifier resId = new MgResourceIdentifier(themeParams.layer.GetFeatureSourceId());
MgResourceIdentifier layerDefResId = themeParams.layer.GetLayerDefinition();
MgByteReader byteReader = resourceService.GetResourceContent(layerDefResId);
// Load the Layer Definition and Navigate to the specified <VectorScaleRange>
XmlDocument doc = new XmlDocument();
String xmlLayerDef = byteReader.ToString();
doc.LoadXml(xmlLayerDef);
XmlNodeList nodeList = doc.GetElementsByTagName("VectorScaleRange"); //NOXLATE
XmlElement vectorScaleRangecElement = (XmlElement)nodeList.Item(themeParams.scaleRangeIndex);
XmlElement areaTypeStyle = (XmlElement)vectorScaleRangecElement.GetElementsByTagName("AreaTypeStyle").Item(0); //NOXLATE
// Remove any existing <AreaRule> elements.
XmlNodeList areaRuleList = areaTypeStyle.GetElementsByTagName("AreaRule"); //NOXLATE
int count = areaRuleList.Count;
for (int i = 0; i < count; i++)
{
//The areaRuleList shrinks as we remove items, so always
//remove the first item (don't use the index i)
areaTypeStyle.RemoveChild(areaRuleList.Item(0));
}
// Now create the new <AreaRule> elements.
String areaRuleTemplate = Properties.Resources.AreaRuleTemplate;
MgFeatureAggregateOptions aggregateOptions = new MgFeatureAggregateOptions();
String value = null;
String filterText = null;
String areaRuleXML = null;
XmlDocument areaDoc = null;
XmlNode areaNode = null;
double portion = 0.0;
double increment = (themeParams.numRules > 1) ? 1.0 / (themeParams.numRules - 1) : 1.0;
if (THEME_INDIVIDUAL == themeParams.distro)
{
aggregateOptions.AddComputedProperty("THEME_VALUE", "UNIQUE(\"" + themeParams.property.Name + "\")"); //NOXLATE
MgDataReader dataReader = featureService.SelectAggregate(resId, themeParams.layer.GetFeatureClassName(), aggregateOptions);
while (dataReader.ReadNext())
{
value = Util.GetFeaturePropertyValue(dataReader, "THEME_VALUE"); //NOXLATE
filterText = """ + themeParams.property.Name + "" = "; //NOXLATE
if (themeParams.property.DataType == MgPropertyType.String)
{
filterText = filterText + "'" + value + "'"; //NOXLATE
}
else
{
filterText = filterText + value;
}
areaRuleXML = String.Format(areaRuleTemplate,
themeParams.property.Name + ":" + value, //NOXLATE
filterText,
Util.InterpolateColor(portion, themeParams.fillFrom, themeParams.fillTo, themeParams.fillTrans),
Util.InterpolateColor(portion, themeParams.borderFrom, themeParams.borderTo, 0));
areaDoc = new XmlDocument();
areaDoc.LoadXml(areaRuleXML);
areaNode = doc.ImportNode(areaDoc.DocumentElement, true);
areaTypeStyle.AppendChild(areaNode);
portion = portion + increment;
}
dataReader.Close();
}
else
{
var values = new List <string>();
var expr = themeParams.distro + "(\"" + themeParams.property.Name + "\"," + themeParams.numRules + "," + themeParams.minValue + "," + themeParams.maxValue + ")"; //NOXLATE
aggregateOptions.AddComputedProperty("THEME_VALUE", expr); //NOXLATE
MgDataReader dataReader = featureService.SelectAggregate(resId, themeParams.layer.GetFeatureClassName(), aggregateOptions);
while (dataReader.ReadNext())
{
value = Util.GetFeaturePropertyValue(dataReader, "THEME_VALUE"); //NOXLATE
values.Add(value);
}
dataReader.Close();
for (int i = 0; i < values.Count - 1; i++)
{
filterText = """ + themeParams.property.Name + "" >= " + values[i] + " AND "" + themeParams.property.Name; //NOXLATE
if (i == values.Count - 1)
{
filterText = filterText + "" <= " + values[i + 1]; //NOXLATE
}
else
{
filterText = filterText + "" < " + values[i + 1]; //NOXLATE
}
areaRuleXML = String.Format(areaRuleTemplate,
themeParams.property.Name + ":" + values[i] + " - " + values[i + 1], //NOXLATE
filterText,
Util.InterpolateColor(portion, themeParams.fillFrom, themeParams.fillTo, themeParams.fillTrans),
Util.InterpolateColor(portion, themeParams.borderFrom, themeParams.borderTo, 0));
areaDoc = new XmlDocument();
areaDoc.LoadXml(areaRuleXML);
areaNode = doc.ImportNode(areaDoc.DocumentElement, true);
areaTypeStyle.AppendChild(areaNode);
portion = portion + increment;
}
}
// Now save our new layer definition to the session and add it to the map.
String xmlString = doc.DocumentElement.OuterXml;
String uniqueName = Util.MakeUniqueLayerName(map, themeParams.layer.Name, themeParams.themeName);
String legendLabel = themeParams.layer.GetLegendLabel();
if (!string.IsNullOrEmpty(themeParams.themeName))
{
legendLabel = legendLabel + " (" + themeParams.themeName + ")"; //NOXLATE
}
MgResourceIdentifier layerResId = new MgResourceIdentifier("Session:" + _sessionId + "//" + uniqueName + ".LayerDefinition"); //NOXLATE
resourceService.SetResource(layerResId, new MgByteReader(xmlString, "text/xml"), null); //NOXLATE
var newLayer = provider.CreateLayer(layerResId);
newLayer.SetName(uniqueName);
newLayer.SetLegendLabel(legendLabel);
newLayer.SetDisplayInLegend(themeParams.layer.GetDisplayInLegend());
newLayer.SetVisible(true);
newLayer.SetSelectable(themeParams.layer.GetSelectable());
//HACK: This has to be true otherwise owner-drawn nodes will not display its children (the theme rules)
provider.SetLayerExpandInLegend(newLayer, true);
layers.Insert(layers.IndexOf(themeParams.layer), newLayer);
//map.Save(resourceService);
return(uniqueName);
}
//---------------------------------------------------------------------------------------
//
// ���ܣ�����Ԥ�����XML������
//
// ���ߣ�
//
// ���ڣ� 2007.5.23
//
// ����ʷ����
//
//---------------------------------------------------------------------------------------
private MgLayer createTempParcelLayer(MgResourceService resService, MgResourceIdentifier resId, string sessionId)
{
MgLayer tempParcelLayer = null;
// ����XML�ĵ�
XmlDocument doc = new XmlDocument();
doc.PreserveWhitespace = false;
doc.Load(@"C:\inetpub\wwwroot\MapguideTutorial\CH05-2\tempParcels.xml");
// ��XML�ĵ��е�ResourceId���滻Ϊ�������ԴID���˴�ӦΪ�������ĻỰ�ִ��е���ʱ��ԴID
XmlNode featureSourceNode = doc.GetElementsByTagName("ResourceId").Item(0);
XmlNode resContent = doc.CreateTextNode(resId.ToString());
featureSourceNode.AppendChild(resContent);
// ����XML
MemoryStream xmlStream = new MemoryStream();
doc.Save(xmlStream);
byte[] layerDef = xmlStream.ToArray();
Encoding utf8 = Encoding.UTF8;
string layerDefStr = new string(utf8.GetChars(layerDef));
layerDef = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDef, 0);
MgByteSource byteSource = new MgByteSource(layerDef, layerDef.Length);
byteSource.SetMimeType(MgMimeType.Xml);
// ������Դ
MgResourceIdentifier tempParcelLayerId = new MgResourceIdentifier("Session:" + sessionId + "//TempParcel.LayerDefinition");
resService.SetResource(tempParcelLayerId, byteSource.GetReader(), null);
//������ʱ��
tempParcelLayer = new MgLayer(tempParcelLayerId, resService);
tempParcelLayer.SetName("TempParcels");
tempParcelLayer.SetLegendLabel("New Parcels");
tempParcelLayer.SetDisplayInLegend(true);
tempParcelLayer.SetSelectable(false);
return tempParcelLayer;
}
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 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 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();
}
}
}
private void btnShowBuildings_Click(object sender, EventArgs e)
{
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
string layerName = "RecentlyBuilt";
string legendLabel = "Built after 1980";
string groupName = "Analysis";
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerGroupCollection groups = map.GetLayerGroups();
if (layers.IndexOf(layerName) >= 0)
{
MessageBox.Show("Layer (" + layerName + ") already created");
return;
}
//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();
XmlDocument domDocument = new XmlDocument();
domDocument.LoadXml(Layers.RecentlyBuilt);
// Get a list of all the <AreaRule><Filter> elements in
// the XML.
XmlNodeList nodes = domDocument.SelectNodes("//AreaRule/Filter");
// Find the correct node and change it
foreach (XmlNode node in nodes)
{
if (node.InnerText == "YRBUILT > 1950")
{
node.InnerText = "YRBUILT > 1980";
}
}
// Get a list of all the <LegendLabel> elements in the
// XML.
nodes = domDocument.SelectNodes("//LegendLabel");
// Find the correct node and change it
foreach (XmlNode node in nodes)
{
if (node.InnerText == "Built after 1950")
{
node.InnerText = "Built after 1980";
}
}
//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[] layerDefinition = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(layerDefinition));
layerDefinition = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDefinition, 0);
// Save the new layer definition to the session repository
MgByteSource byteSource = new MgByteSource(layerDefinition, layerDefinition.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;
}
//Turn off square footage if it exists
if (layers.IndexOf("SquareFootage") >= 0)
{
MgLayerBase layer = layers.GetItem("SquareFootage");
layer.SetVisible(false);
}
MessageBox.Show("Layer (" + layerName + ") created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
private void btnCreateHydroLine_Click(object sender, EventArgs e)
{
string layerName = "Hydro";
string legendLabel = "Hydro";
string groupName = "Analysis";
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
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 new layer
LayerDefinitionFactory factory = new LayerDefinitionFactory();
// Create a line rule.
String ruleLegendLabel = "";
String filter = "";
String color = "FF0000FF";
String lineRule = factory.CreateLineRule(ruleLegendLabel, filter, color);
// Create a line type style.
String lineTypeStyle = factory.CreateLineTypeStyle(lineRule);
// Create a scale range.
String minScale = "0";
String maxScale = "1000000000000";
String lineScaleRange = factory.CreateScaleRange(minScale, maxScale, lineTypeStyle);
// Create the layer definiton.
String featureClass = "Library://Samples/Sheboygan/Data/HydrographicLines.FeatureSource";
String featureName = "SHP_Schema:HydrographicLines";
String geometry = "SHPGEOM";
String layerDefinition = factory.CreateLayerDefinition(featureClass, featureName, geometry, lineScaleRange);
//---------------------------------------------------//
// ...
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();
}
}
}
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;
}
}
// Create a temporary Layer to display geocode results.
public MgLayer CreateLocationMarkerLayer(MgResourceService resourceService, MgResourceIdentifier locationMarkerDataResId, String sessionId)
{
// Load the AddressMarker layer definition template into
// a ASPX XML object, find the "ResourceId" element, and
// modify it's content to reference the temporary
// feature source.
XmlDocument doc = new XmlDocument();
doc.PreserveWhitespace = true;
string path =HttpContext.Current.Request.ServerVariables["APPL_PHYSICAL_PATH"] + "Extensions/findlocation/templates/locationmarker.xml";
doc.Load(path);
XmlNode featureSourceNode = doc.GetElementsByTagName("ResourceId").Item(0);
XmlNode resContent = doc.CreateTextNode(locationMarkerDataResId.ToString());
featureSourceNode.AppendChild(resContent);
// Get the updated layer definition from the DOM object
// and save it to the session repository using the
// ResourceService object.
MemoryStream xmlStream = new MemoryStream();
doc.Save(xmlStream);
byte[] layerDefinition = xmlStream.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(layerDefinition));
layerDefinition = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, layerDefinition, 0);
MgByteSource byteSource = new MgByteSource(layerDefinition, layerDefinition.Length);
byteSource.SetMimeType(MgMimeType.Xml);
MgResourceIdentifier tempLayerResId = new MgResourceIdentifier("Session:" + sessionId + "//LocationMarker.LayerDefinition");
//MgResourceIdentifier tempLayerResId = new MgResourceIdentifier("Library://findLocation/" + sessionId + "/LocationMarker.LayerDefinition");
resourceService.SetResource(tempLayerResId, byteSource.GetReader(), null);
// Create an MgLayer object based on the new layer definition
// and return it to the caller.
MgLayer locationLayer = new MgLayer(tempLayerResId, resourceService);
locationLayer.SetName("LocationMarker");
locationLayer.SetLegendLabel("LocationMarker");
locationLayer.SetDisplayInLegend(false);
locationLayer.SetSelectable(false);
return locationLayer;
}
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 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);
}
}