/// <summary>
/// return Spatial Reference
/// </summary>
/// <returns>ISpatialReference of wgs84</returns>
internal static ESRI.ArcGIS.Geometry.ISpatialReference returnSR()
{
// wgs84
ESRI.ArcGIS.Geometry.ISpatialReferenceFactory spatialReferenceFactory = new ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass();
ESRI.ArcGIS.Geometry.ISpatialReference spatialReference = spatialReferenceFactory.CreateGeographicCoordinateSystem((int)ESRI.ArcGIS.Geometry.esriSRGeoCSType.esriSRGeoCS_WGS1984);
ESRI.ArcGIS.Geometry.ISpatialReferenceResolution spatialReferenceResolution = (ESRI.ArcGIS.Geometry.ISpatialReferenceResolution)spatialReference;
return(spatialReference);
}
public ESRI.ArcGIS.Carto.IFeatureLayer2 CreateFeatureLayer(string name, ESRI.ArcGIS.Geometry.ISpatialReference spatialReference, string workspacename)
{
ESRI.ArcGIS.Geodatabase.IFeatureClass fc = CreateFeatureClass(name, spatialReference, workspacename);
ESRI.ArcGIS.Carto.IFeatureLayer2 fl = new ESRI.ArcGIS.Carto.FeatureLayer() as ESRI.ArcGIS.Carto.IFeatureLayer2;
fl.FeatureClass = fc;
((ESRI.ArcGIS.Carto.ILayer)fl).Name = name;
return(fl);
}
public ESRI.ArcGIS.Geodatabase.IFeatureClass CreateFeatureClass(string name, ESRI.ArcGIS.Geometry.ISpatialReference spatialReference, string workspacename)
{
ESRI.ArcGIS.Geodatabase.IWorkspace w = WorkSpace.CreateInMemoryWorkspace(workspacename);
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace fw = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)w;
ESRI.ArcGIS.Geodatabase.IFields2 fields = CreateFields(spatialReference);
ESRI.ArcGIS.esriSystem.UID uid = new ESRI.ArcGIS.esriSystem.UID();
ESRI.ArcGIS.Geodatabase.IFeatureClassDescription fcDesc = new ESRI.ArcGIS.Geodatabase.FeatureClassDescriptionClass();
ESRI.ArcGIS.Geodatabase.IObjectClassDescription ocDesc = (ESRI.ArcGIS.Geodatabase.IObjectClassDescription)fcDesc;
ESRI.ArcGIS.Geodatabase.IFeatureClass fc = fw.CreateFeatureClass(name, fields, ocDesc.InstanceCLSID, ocDesc.ClassExtensionCLSID, ESRI.ArcGIS.Geodatabase.esriFeatureType.esriFTSimple, "Shape", "");
return(fc);
}
public override ESRI.ArcGIS.Geodatabase.IFields2 CreateFields(ESRI.ArcGIS.Geometry.ISpatialReference spatialReference)
{
ESRI.ArcGIS.Geodatabase.IFields2 fields = new ESRI.ArcGIS.Geodatabase.FieldsClass();
ESRI.ArcGIS.Geodatabase.IFieldsEdit fieldsEdit = (ESRI.ArcGIS.Geodatabase.IFieldsEdit)fields;
ESRI.ArcGIS.Geodatabase.IFieldEdit2 fieldedit = CreateField("ObjectID", "FID", ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeOID, 0);
fieldsEdit.AddField(fieldedit);
//add id
fieldedit = CreateField("LineID", "LineID", ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeGUID, 36);
fieldedit.DefaultValue_2 = 0; // add default for letter
fieldsEdit.AddField(fieldedit);
// place holder for letter
fieldedit = CreateField("LETTER", "LETTER",
ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeString, 20);
fieldedit.DefaultValue_2 = "X"; // add default for letter
fieldsEdit.AddField(fieldedit);
// just another field
fieldedit = CreateField("NOTES", "NOTES",
ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeString, 225);
fieldsEdit.AddField(fieldedit);
// add geomtype
ESRI.ArcGIS.Geodatabase.IGeometryDef geometryDef = new ESRI.ArcGIS.Geodatabase.GeometryDefClass();
ESRI.ArcGIS.Geodatabase.IGeometryDefEdit geometryDefEdit = (ESRI.ArcGIS.Geodatabase.IGeometryDefEdit)geometryDef;
geometryDefEdit.GeometryType_2 = ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline;
ESRI.ArcGIS.Geometry.ISpatialReferenceResolution spatialReferenceResolution = (ESRI.ArcGIS.Geometry.ISpatialReferenceResolution)spatialReference;
ESRI.ArcGIS.Geometry.ISpatialReferenceTolerance spatialReferenceTolerance = (ESRI.ArcGIS.Geometry.ISpatialReferenceTolerance)spatialReference;
spatialReferenceTolerance.SetDefaultXYTolerance();
geometryDefEdit.SpatialReference_2 = spatialReference;
ESRI.ArcGIS.Geodatabase.IField geometryField = new ESRI.ArcGIS.Geodatabase.FieldClass();
ESRI.ArcGIS.Geodatabase.IFieldEdit geometryFieldEdit = (ESRI.ArcGIS.Geodatabase.IFieldEdit)geometryField;
geometryFieldEdit.Name_2 = "Shape";
geometryFieldEdit.Type_2 = ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeGeometry;
geometryFieldEdit.GeometryDef_2 = geometryDef;
fieldsEdit.AddField(geometryField);
return(fields);
}
private void InsertValueAndGetPos2(string FieldName)//位置和要素要同时获取，否则值和位置可能不对应
{
//try
//{
if (fatherform.MFGridView2 != null)
{
//添加列
if (fatherform.MFGridView2.ColumnCount == 0)
{
if (TitleField == "")
{
fatherform.MFGridView2.Columns.Add("FeatureID", "FeatureID");
}
else
{
fatherform.MFGridView2.Columns.Add(TitleField, TitleField);
}
fatherform.MFGridView2.Columns.Add(FieldName, FieldName);
}
else
{
fatherform.MFGridView2.Columns.Add(FieldName, FieldName);
}
//添加值
ILayer61 SlctdLyr = Program.sgworld.ProjectTree.GetLayer(LayerID);
string[] ExtractFile = SlctdLyr.DataSourceInfo.ConnectionString.Split(';');
string FilePath = ExtractFile[0].Substring(9);
IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass();
IFeatureWorkspace pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(FilePath), 0);
IFeatureClass pFeatureClass = (IFeatureClass)pFeatureWorkspace.OpenFeatureClass(System.IO.Path.GetFileName(FilePath));
bool ReProjectOrNot = false; //标记是否需要重投影
string LayerCord = SlctdLyr.CoordinateSystem.WktDescription;
string TerrainCord = Program.sgworld.Terrain.CoordinateSystem.WktDescription;
if (LayerCord != TerrainCord)
{
ReProjectOrNot = true;
}
string AValue = "";
IPosition61 cPos = null;
List <IPosition61> Positions = new List <IPosition61>();
double dXCoord;
double dYCoord;
double dAltitude = 0;
AltitudeTypeCode eAltitudeTypeCode = AltitudeTypeCode.ATC_ON_TERRAIN;
double dYaw = 0.0;
double dPitch = 0.0;
double dRoll = 0.0;
double dDistance = 20000;
for (int i = 0; i < pFeatureClass.FeatureCount(null); i++)
{
//插入值
AValue = pFeatureClass.GetFeature(i).get_Value(pFeatureClass.FindField(FieldName)).ToString();
if (fatherform.MFGridView2.ColumnCount == 2)
{
if (fatherform.MFGridView2.Columns[0].Name == "FeatureID")
{
this.fatherform.MFGridView2.Rows.Add(pFeatureClass.GetFeature(i).OID, AValue);
}
else
{
this.fatherform.MFGridView2.Rows.Add(pFeatureClass.GetFeature(i).get_Value(pFeatureClass.FindField(TitleField)).ToString(), AValue);
}
}
else
{
if (this.fatherform.MFGridView2.RowCount > 0)
{
fatherform.MFGridView2.Rows[i].Cells[FieldName].Value = AValue;
}
}
//获取位置
ESRI.ArcGIS.Geometry.IGeometry pGeometry = pFeatureClass.GetFeature(i).Shape;
if (ReProjectOrNot)
{
ESRI.ArcGIS.Geometry.ISpatialReferenceFactory srFactory = new ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass();
ESRI.ArcGIS.Geometry.IGeographicCoordinateSystem gcs = srFactory.CreateGeographicCoordinateSystem((int)ESRI.ArcGIS.Geometry.esriSRGeoCSType.esriSRGeoCS_WGS1984);
ESRI.ArcGIS.Geometry.ISpatialReference sr1 = gcs;
pGeometry.Project(sr1);
}
ESRI.ArcGIS.Geometry.IPoint pPoint = null;
switch (pFeatureClass.ShapeType)
{
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint:
pPoint = (ESRI.ArcGIS.Geometry.IPoint)pGeometry;
break;
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline:
pPoint = ((ESRI.ArcGIS.Geometry.IPolyline)pGeometry).ToPoint;
break;
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon:
pPoint = ((ESRI.ArcGIS.Geometry.IArea)(ESRI.ArcGIS.Geometry.IPolygon) pGeometry).Centroid;
break;
default:
break;
}
dXCoord = pPoint.X;
dYCoord = pPoint.Y;
cPos = Program.sgworld.Creator.CreatePosition(dXCoord, dYCoord, dAltitude, eAltitudeTypeCode, dYaw, dPitch, dRoll, dDistance);
Positions.Add(cPos);
}
if (Positions != null)
{
fatherform.StaThemePos = Positions;
}
}
//}
//catch (Exception ex)
//{
// MessageBox.Show("Unexpected Error:" + ex.Message);
//}
/***20130227杨漾（去掉trycatch，抛给上层trycatch处理异常）****/
}
private static IFields GetCurveAreaFields(bool isShape, bool isDissolved, ESRI.ArcGIS.Geometry.ISpatialReference georef = null)
{
IFields fields = new FieldsClass();
IFieldsEdit fieldsEdit = (IFieldsEdit)fields;
List <IField> fieldList = ClassLib.Fields.getFields(isDissolved);
fieldsEdit.FieldCount_2 = fieldList.Count + 2;
for (int i = 0; i < fieldList.Count; i++)
{
fieldsEdit.set_Field(i + 2, fieldList[i]);
}
// Create Object ID field.
IField fieldUserDefined = new Field();
IFieldEdit fieldEdit = (IFieldEdit)fieldUserDefined;
if (isShape)
{
fieldEdit.Name_2 = "FID";
fieldEdit.AliasName_2 = "FID";
}
else
{
fieldEdit.Name_2 = "OBJECTID";
fieldEdit.AliasName_2 = "OBJECTID";
}
fieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
fieldsEdit.set_Field(0, fieldUserDefined);
// Create Shape field.
fieldUserDefined = new Field();
fieldEdit = (IFieldEdit)fieldUserDefined;
// Set up geometry definition for the Shape field.
// You do not have to set the spatial reference, as it is inherited from the feature dataset.
IGeometryDef geometryDef = new GeometryDefClass();
IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
geometryDefEdit.GeometryType_2 = ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline;
// By setting the grid size to 0, you are allowing ArcGIS to determine the appropriate grid sizes for the feature class.
// If in a personal geodatabase, the grid size is 1,000. If in a file or ArcSDE geodatabase, the grid size
// is based on the initial loading or inserting of features.
if (!isShape)
{
geometryDefEdit.GridCount_2 = 1;
geometryDefEdit.set_GridSize(0, 0);
}
geometryDefEdit.HasM_2 = false;
geometryDefEdit.HasZ_2 = false;
if (georef != null)
{
geometryDefEdit.SpatialReference_2 = georef;
}
// Set standard field properties
fieldEdit.Name_2 = "SHAPE";
fieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
fieldEdit.GeometryDef_2 = geometryDef;
fieldEdit.IsNullable_2 = true;
fieldEdit.Required_2 = true;
fieldsEdit.set_Field(1, fieldUserDefined);
return(fields);
}
public virtual ESRI.ArcGIS.Geodatabase.IFields2 CreateFields(ESRI.ArcGIS.Geometry.ISpatialReference spatialReference)
{
return(null);
}
