/// <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);
}
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）****/
}
//位置和要素要同时获取，否则值和位置可能不对应
private void InsertValueAndGetPos2(string FieldName)
{
//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）****/
}