public static string ToDisplayString(ISpatialReference spatialRef)
{
if (spatialRef == null)
{
return("");
}
if (spatialRef is IUnknownCoordinateSystem)
{
return("未知坐标系");
}
string strDisplay = "";
IGeographicCoordinateSystem geoCoord = spatialRef as IGeographicCoordinateSystem;
IProjectedCoordinateSystem prjCood = spatialRef as IProjectedCoordinateSystem;
if (prjCood != null)
{
geoCoord = prjCood.GeographicCoordinateSystem;
strDisplay += string.Format("投影： {0}\r\n", prjCood.Projection.Name);
strDisplay += string.Format("东移假定值(X0)：{0}\r\n", prjCood.FalseEasting);
strDisplay += string.Format("北移假定值(Y0)：{0}\r\n", prjCood.FalseNorthing);
strDisplay += string.Format("中心轴： {0}\r\n", prjCood.get_CentralMeridian(true));
strDisplay += string.Format("比例系数： {0}\r\n", prjCood.ScaleFactor);
//strDisplay += string.Format("源点经度： {0}\r\n", prjCood.LongitudeOfOrigin);
strDisplay += string.Format("线性单位： {0}\r\n", prjCood.CoordinateUnit.Name);
strDisplay += "\r\n";
}
if (geoCoord != null)
{
strDisplay += string.Format("地理坐标系： {0}\r\n", geoCoord.Name);
strDisplay += string.Format("角单位： {0}({1})\r\n", geoCoord.CoordinateUnit.Name, geoCoord.CoordinateUnit.RadiansPerUnit);
strDisplay += string.Format("本初子午线： {0}({1})\r\n", geoCoord.PrimeMeridian.Name, geoCoord.PrimeMeridian.Longitude);
strDisplay += string.Format("基准面： {0}\r\n", geoCoord.Datum.Name);
strDisplay += string.Format(" 椭球： {0}\r\n", geoCoord.Datum.Spheroid.Name);
strDisplay += string.Format(" 长半轴：{0}\r\n", geoCoord.Datum.Spheroid.SemiMajorAxis);
strDisplay += string.Format(" 短半轴：{0}\r\n", geoCoord.Datum.Spheroid.SemiMinorAxis);
}
return(strDisplay);
}
public void Init(ISpatialReference spatialRef)
{
this.lblCoordSysName.Text = spatialRef.Name;
if (spatialRef is IProjectedCoordinateSystem)
{
IProjectedCoordinateSystem projectedCoordinateSystem = spatialRef as IProjectedCoordinateSystem;
this.lblProjection.Text = projectedCoordinateSystem.Projection.Name;
this.lblCentral.Text = projectedCoordinateSystem.get_CentralMeridian(true).ToString();
this.lblEast.Text = projectedCoordinateSystem.FalseEasting.ToString();
this.lblNorth.Text = projectedCoordinateSystem.FalseNorthing.ToString();
try
{
this.lblFactor.Text = projectedCoordinateSystem.ScaleFactor.ToString();
}
catch (Exception var_1_B2)
{
this.lblFactor.Text = "1";
}
this.ctrlGeographicCoordinateInfo1.Init(projectedCoordinateSystem.GeographicCoordinateSystem);
}
}
public static string FormatSpatialReference(ISpatialReference sr)
{
try
{
if (sr == null)
{
return("");
}
StringBuilder builder = new StringBuilder();
if (sr is UnknownCoordinateSystemClass)
{
builder.Append("UnknownCoordinateSystem");
}
else
{
if (sr.Name == "Unknown")
{
builder.Append("UnknownCoordinateSystem");
}
else
{
IGeographicCoordinateSystem system2;
if (sr is IProjectedCoordinateSystem)
{
Exception exception;
IProjectedCoordinateSystem system = sr as IProjectedCoordinateSystem;
builder.Append("投影坐标系:\n");
builder.Append(" Name:").Append(system.Name).Append("\n");
builder.Append(" Alias:").Append(system.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system.Remarks).Append("\n");
builder.Append("投影:").Append(system.Projection.Name).Append("\n");
builder.Append("投影参数:\n");
builder.Append(" False_Easting:").Append(system.FalseEasting).Append("\n");
builder.Append(" False_Northing:").Append(system.FalseNorthing).Append("\n");
builder.Append(" Central_Meridian:").Append(system.get_CentralMeridian(true)).Append("\n");
try
{
builder.Append(" Scale_Factor:").Append(system.ScaleFactor).Append("\n");
}
catch { }
builder.Append(" Latitude_Of_Origin:0\n");
builder.Append("Linear Unit:").Append(system.CoordinateUnit.Name).Append("(").Append(system.CoordinateUnit.MetersPerUnit).Append(")\n");
builder.Append("Geographic Coordinate System:\n");
system2 = system.GeographicCoordinateSystem;
builder.Append(" Name:").Append(system2.Name).Append("\n");
builder.Append(" Alias:").Append(system2.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system2.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system2.Remarks).Append("\n");
builder.Append(" Angular Unit:").Append(system2.CoordinateUnit.Name).Append("(").Append(system2.CoordinateUnit.RadiansPerUnit).Append(")\n");
builder.Append(" Prime Meridian:").Append(system2.PrimeMeridian.Name).Append("(").Append(system2.PrimeMeridian.Longitude).Append(")\n");
builder.Append(" Datum:").Append(system2.Datum.Name).Append("\n");
builder.Append(" Spheroid:").Append(system2.Datum.Spheroid.Name).Append("\n");
builder.Append(" Semimajor Axis:").Append(system2.Datum.Spheroid.SemiMajorAxis).Append("\n");
builder.Append(" Semiminor Axis:").Append(system2.Datum.Spheroid.SemiMinorAxis).Append("\n");
builder.Append(" Inverse Flattening:").Append((double)(1.0 / system2.Datum.Spheroid.Flattening)).Append("\n");
builder.Append("X/Y Domain:\n");
try
{
double num = 0.0;
double num2 = 0.0;
double num3 = 0.0;
double num4 = 0.0;
double num5 = 0.0;
sr.GetDomain(out num, out num3, out num2, out num4);
sr.GetFalseOriginAndUnits(out num, out num2, out num5);
builder.Append(" Min X:").Append(num).Append("\n");
builder.Append(" Min Y:").Append(num2).Append("\n");
builder.Append(" Max X:").Append(num3).Append("\n");
builder.Append(" Max Y:").Append(num4).Append("\n");
builder.Append(" XYScale:").Append(num5).Append("\n");
builder.Append("\n");
}
catch (Exception exception1)
{
exception = exception1;
}
builder.Append("Z Domain:\n");
try
{
double num6;
double num7;
double num8 = 0.0;
sr.GetZDomain(out num6, out num7);
sr.GetZFalseOriginAndUnits(out num6, out num8);
builder.Append(" Min Z:").Append(num6).Append("\n");
builder.Append(" Max Z:").Append(num7).Append("\n");
builder.Append(" ZScale:").Append(num8).Append("\n");
builder.Append("\n");
}
catch (Exception exception2)
{
exception = exception2;
}
try
{
double num9;
double num10;
builder.Append("M Domain:\n");
double num11 = 0.0;
sr.GetMDomain(out num9, out num10);
sr.GetMFalseOriginAndUnits(out num9, out num11);
builder.Append(" Min M:").Append(num9).Append("\n");
builder.Append(" Max M:").Append(num10).Append("\n");
builder.Append(" MScale:").Append(num11).Append("\n");
}
catch (Exception exception3)
{
exception = exception3;
}
}
else if (sr is IGeographicCoordinateSystem)
{
builder.Append("Geographic Coordinate System:\n");
system2 = sr as IGeographicCoordinateSystem;
builder.Append(" Name:").Append(system2.Name).Append("\n");
builder.Append(" Alias:").Append(system2.Alias).Append("\n");
builder.Append(" Abbreviation:").Append(system2.Abbreviation).Append("\n");
builder.Append(" Remarks:").Append(system2.Remarks).Append("\n");
builder.Append(" Angular Unit:").Append(system2.CoordinateUnit.Name).Append("(").Append(system2.CoordinateUnit.RadiansPerUnit).Append(")\n");
builder.Append(" Prime Meridian:").Append(system2.PrimeMeridian.Name).Append("(").Append(system2.PrimeMeridian.Longitude).Append(")\n");
builder.Append(" Datum:").Append(system2.Datum.Name).Append("\n");
builder.Append(" Spheroid:").Append(system2.Datum.Spheroid.Name).Append("\n");
builder.Append(" Semimajor Axis:").Append(system2.Datum.Spheroid.SemiMajorAxis).Append("\n");
builder.Append(" Semiminor Axis:").Append(system2.Datum.Spheroid.SemiMinorAxis).Append("\n");
builder.Append(" Inverse Flattening:").Append((double)(1.0 / system2.Datum.Spheroid.Flattening)).Append("\n");
}
}
}
return(builder.ToString());
}
catch (Exception ex)
{ return(""); }
}
/// <summary>
/// ��������ϵͳ
/// </summary>
/// <param name="isFile">�Ƿ��ļ���ʽ����</param>
private void LoadProCoord(bool isFile, IProjectedCoordinateSystem pProCoord)
{
this.txtName.Text = pProCoord.Name;
this.rtxDetail.Text = "ͶӰ����ϵͳ��\n";
this.rtxDetail.Text += " Name :" + pProCoord.Name + "\n";
this.rtxDetail.Text += "Projection: " + pProCoord.Projection.Name + "\n";
this.rtxDetail.Text += "Parameters:\n";
this.rtxDetail.Text += " False_Easting: " + pProCoord.FalseEasting.ToString() + "\n";
this.rtxDetail.Text += " False_Northing: " + pProCoord.FalseNorthing.ToString() + "\n";
this.rtxDetail.Text += " Central_Meridian: " + pProCoord.get_CentralMeridian(true).ToString() + "\n";
this.rtxDetail.Text += " Scale_Factor: " + pProCoord.ScaleFactor.ToString() + "\n";
this.rtxDetail.Text += " Latitude_Of_Origin: 0.000000\n";
this.rtxDetail.Text += " Linear Unit: Meter (1.000000)\n";
this.rtxDetail.Text += "��������ϵͳ��\n";
this.rtxDetail.Text += " Name: " + pProCoord.GeographicCoordinateSystem.Name + "\n";
this.rtxDetail.Text += " Alias: " + pProCoord.GeographicCoordinateSystem.Alias + "\n";
this.rtxDetail.Text += " Abbreviation: " + pProCoord.GeographicCoordinateSystem.Abbreviation + "\n";
this.rtxDetail.Text += " Remarks: " + pProCoord.GeographicCoordinateSystem.Remarks + "\n";
this.rtxDetail.Text += " Angular Unit: Degree (0.017453292519943299)\n";
this.rtxDetail.Text += " Prime Meridian: " + pProCoord.GeographicCoordinateSystem.PrimeMeridian.Name + "\n";
this.rtxDetail.Text += " Datum: " + pProCoord.GeographicCoordinateSystem.Datum.Name + "\n";
this.rtxDetail.Text += " Spheroid: " + pProCoord.GeographicCoordinateSystem.Datum.Spheroid.Name + "\n";
this.rtxDetail.Text += " Semimajor Axis: " + pProCoord.GeographicCoordinateSystem.Datum.Spheroid.SemiMajorAxis.ToString() + "\n";
this.rtxDetail.Text += " Semiminor Axis: " + pProCoord.GeographicCoordinateSystem.Datum.Spheroid.SemiMinorAxis.ToString() + "\n";
this.rtxDetail.Text += " Inverse Flattening: " + pProCoord.GeographicCoordinateSystem.Datum.Spheroid.Flattening.ToString() + "\n";
this.rtxDetail.Text += "X/Y Domain: \n";
double xMin = 0, xMax = 90000000, yMin = 0, yMax = 90000000, zMin = 0, zMax = 20000;
pProCoord.SetDomain(xMin, xMax, yMin, yMax);
this.rtxDetail.Text += " Min X: " + xMin.ToString() + "\n";
this.rtxDetail.Text += " Min Y: " + yMin.ToString() + "\n";
this.rtxDetail.Text += " Max X: " + xMax.ToString() + "\n";
this.rtxDetail.Text += " Max Y: " + yMax.ToString() + "\n";
this.rtxDetail.Text += "Z Domain: \n";
pProCoord.SetZDomain(zMin, zMax);
this.rtxDetail.Text += " Min: " + zMin.ToString() + "\n";
this.rtxDetail.Text += " Max: " + zMax.ToString() + "\n";
}
/// <summary>
/// 初始化form element
/// </summary>
private void Initialize()
{
IFeatureLayer featureLayer = (IFeatureLayer)m_layer;
IGeoFeatureLayer geoLayer = (IGeoFeatureLayer)m_layer;
IFeatureClass featureClass = featureLayer.FeatureClass;
ILayerGeneralProperties layerProperties = (ILayerGeneralProperties)featureLayer;
// 图层属性页
this.textBoxLayerName.Text = m_layer.Name;
this.textBoxLayerDescription.Text = layerProperties.LayerDescription;
this.checkBoxVisibility.Checked = m_layer.Visible;
String scaleMin = geoLayer.MinimumScale.ToString();
String sacleMax = geoLayer.MaximumScale.ToString();
if ("0" == scaleMin && "0" == sacleMax)
{
this.radioButtonScaleAll.Checked = true;
this.radioButtonScaleZoom.Checked = false;
}
else
{
this.radioButtonScaleAll.Checked = false;
this.radioButtonScaleZoom.Checked = true;
this.comboBoxScaleMax.Text = sacleMax;
this.comboBoxScaleMin.Text = scaleMin;
}
// 字段定义页
IFields fields = featureClass.Fields;
int fieldCount = fields.FieldCount;
for (int i = 0; i < fieldCount; i++)
{
IField field = fields.get_Field(i);
ListViewItem item = new ListViewItem(field.Name);
item.SubItems.Add(field.AliasName);
item.SubItems.Add(field.Editable ? "允许编辑" : "不允许编辑");
item.SubItems.Add(field.IsNullable ? "允许为空" : "不允许为空");
item.SubItems.Add(field.Length.ToString());
item.SubItems.Add(field.Precision.ToString());
item.SubItems.Add(field.Scale.ToString());
item.SubItems.Add(GetFieldType(field.Type));
listViewFields.Items.Add(item);
}
// 数据源及四至范围
IEnvelope envelope = m_layer.AreaOfInterest;
textBoxLeft.Text = envelope.XMin.ToString();
textBoxRight.Text = envelope.XMax.ToString();
textBoxTop.Text = envelope.YMin.ToString();
textBoxBottom.Text = envelope.YMax.ToString();
IDataset dataset = (IDataset)featureLayer;
textBoxDataSource.AppendText("数据源类型： ");
textBoxDataSource.AppendText(featureLayer.DataSourceType);
textBoxDataSource.AppendText("\r\n数据集： ");
textBoxDataSource.AppendText(dataset.BrowseName);
textBoxDataSource.AppendText("\r\n数据源名称： ");
textBoxDataSource.AppendText(dataset.Workspace.PathName);
textBoxDataSource.AppendText("\r\n要素类： ");
textBoxDataSource.AppendText(featureClass.AliasName);
textBoxDataSource.AppendText("\r\n要素类类型： ");
textBoxDataSource.AppendText(GetFeatureType(featureClass.FeatureType));
textBoxDataSource.AppendText("\r\n几何类型： ");
textBoxDataSource.AppendText(GetGeometryType(featureClass.ShapeType));
IGeoDataset geoDataset = (IGeoDataset)featureClass;
// 通过IGeoDataset接口获取FeatureClass坐标系统
ISpatialReference spatialReference = geoDataset.SpatialReference;
IProjectedCoordinateSystem projectCoordSystem = null;
if (spatialReference is IProjectedCoordinateSystem)
{
projectCoordSystem = (IProjectedCoordinateSystem)spatialReference;
if (projectCoordSystem == null)
{
return;
}
textBoxDataSource.AppendText("\r\n");
IProjection project = projectCoordSystem.Projection;
textBoxDataSource.AppendText("\r\n投影坐标系： ");
textBoxDataSource.AppendText(projectCoordSystem.Name);
textBoxDataSource.AppendText("\r\n投影： ");
textBoxDataSource.AppendText(project.Name);
textBoxDataSource.AppendText("\r\nFalseEasting： ");
textBoxDataSource.AppendText(projectCoordSystem.FalseEasting.ToString());
textBoxDataSource.AppendText("\r\nFalseNorthing： ");
textBoxDataSource.AppendText(projectCoordSystem.FalseNorthing.ToString());
textBoxDataSource.AppendText("\r\n中央经线： ");
textBoxDataSource.AppendText(projectCoordSystem.get_CentralMeridian(true).ToString());
textBoxDataSource.AppendText("\r\n缩放比例： ");
textBoxDataSource.AppendText(projectCoordSystem.ScaleFactor.ToString());
textBoxDataSource.AppendText("\r\n高度原点： ");
try
{
textBoxDataSource.AppendText(projectCoordSystem.LongitudeOfOrigin.ToString());
}
catch (Exception e)
{
textBoxDataSource.AppendText("0");
}
textBoxDataSource.AppendText("\r\n单位： ");
textBoxDataSource.AppendText(projectCoordSystem.CoordinateUnit.Name);
textBoxDataSource.AppendText("\r\n");
IGeographicCoordinateSystem geographCoordinateSystem = projectCoordSystem.GeographicCoordinateSystem;
if (geographCoordinateSystem != null)
{
textBoxDataSource.AppendText("\r\n地理坐标系： ");
textBoxDataSource.AppendText(geographCoordinateSystem.Name);
textBoxDataSource.AppendText("\r\n基准面： ");
textBoxDataSource.AppendText(geographCoordinateSystem.Datum.Name);
textBoxDataSource.AppendText("\r\n本初子午线： ");
textBoxDataSource.AppendText(geographCoordinateSystem.PrimeMeridian.Name);
textBoxDataSource.AppendText("\r\n单位： ");
textBoxDataSource.AppendText(geographCoordinateSystem.CoordinateUnit.Name);
}
}
else if (spatialReference is IGeographicCoordinateSystem)
{
IGeographicCoordinateSystem geographCoordinateSystem = spatialReference as IGeographicCoordinateSystem;
if (geographCoordinateSystem != null)
{
textBoxDataSource.AppendText("\r\n地理坐标系： ");
textBoxDataSource.AppendText(geographCoordinateSystem.Name);
textBoxDataSource.AppendText("\r\n基准面： ");
textBoxDataSource.AppendText(geographCoordinateSystem.Datum.Name);
textBoxDataSource.AppendText("\r\n本初子午线： ");
textBoxDataSource.AppendText(geographCoordinateSystem.PrimeMeridian.Name);
textBoxDataSource.AppendText("\r\n单位： ");
textBoxDataSource.AppendText(geographCoordinateSystem.CoordinateUnit.Name);
}
}
// filter
IDisplayString displayString = (IDisplayString)featureLayer;
textBoxFilter.AppendText(displayString.ExpressionProperties.Expression);
// 标注
IAnnotateLayerPropertiesCollection annoLayerPropsColl = geoLayer.AnnotationProperties;
IAnnotateLayerProperties annoLayerProps = null;
IElementCollection placedElements = null;
IElementCollection unplacedElements = null;
annoLayerPropsColl.QueryItem(0, out annoLayerProps, out placedElements, out unplacedElements);
ILabelEngineLayerProperties aLELayerProps = annoLayerProps as ILabelEngineLayerProperties;
// annoLayerProps.DisplayAnnotation;
checkBoxLabelVisibility.Checked = annoLayerProps.DisplayAnnotation;
//初始化字体大小下拉框
for (int k = 5; k <= 11; k++)
{
cmbFontSize.Items.Add(k);
}
for (int k = 12; k <= 72; k = k + 2)
{
cmbFontSize.Items.Add(k);
}
// cmbFontSize.Text = "8";
//初始化字体下拉框
foreach (FontFamily onefontfamily in FontFamily.Families)
{
//去掉名称头个字为@的字体
if (onefontfamily.Name.Substring(0, 1) != "@")
{
cmbFontName.Items.Add(onefontfamily.Name);
}
}
// cmbFontName.Text = "宋体";
ITextSymbol pTextSymbol = aLELayerProps.Symbol;
stdole.IFontDisp pFontDisp = pTextSymbol.Font;
cmbFontSize.Text = pFontDisp.Size.ToString();
toolBarStyle.Buttons[0].Pushed = pFontDisp.Bold;
toolBarStyle.Buttons[1].Pushed = pFontDisp.Italic;
toolBarStyle.Buttons[2].Pushed = pFontDisp.Underline;
cmbFontName.Text = pFontDisp.Name;
IRgbColor rgbColor = (IRgbColor)pTextSymbol.Color;
colorButtonFont.Color = Color.FromArgb(rgbColor.Transparency,
rgbColor.Red,
rgbColor.Green,
rgbColor.Blue);
colorButtonFont.Refresh();
for (int i = 0; i < fields.FieldCount; i++)
{
IField field = fields.get_Field(i);
cmbFieldName.Items.Add(field.Name);
}
cmbFieldName.Enabled = aLELayerProps.IsExpressionSimple;
String expr = aLELayerProps.Expression.Trim('[').Trim(']');
cmbFieldName.SelectedIndex = cmbFieldName.FindString(expr);
cmbMaxScale.Text = annoLayerProps.AnnotationMaximumScale.ToString();
cmbMinScale.Text = annoLayerProps.AnnotationMinimumScale.ToString();
if (cmbMaxScale.Text == "0" && cmbMinScale.Text == "0")
{
rbScaleWithLayer.Checked = true;
this.rbScaleDefined.Checked = false;
}
else
{
rbScaleWithLayer.Checked = false;
this.rbScaleDefined.Checked = true;
}
//ITextSymbol pTextSymbol = aLELayerProps.Symbol;
//stdole.IFontDisp pFontDisp = pTextSymbol.Font;
//pFontDisp.Size = decimal.Parse(fontSize);
//pFontDisp.Bold = boldBool;
//pFontDisp.Italic = italicBool;
//pFontDisp.Name = fontStyle;
//IRgbColor pRgbColor = new RgbColorClass();
//pRgbColor.Red = int.Parse(fontColor.R.ToString());
//pRgbColor.Blue = int.Parse(fontColor.B.ToString());
//pRgbColor.Green = int.Parse(fontColor.G.ToString());
//pTextSymbol.Font = pFontDisp;
//pTextSymbol.Color = pRgbColor;
//aLELayerProps.Symbol = pTextSymbol;
//annoLayerProps = aLELayerProps as IAnnotateLayerProperties;
//annoLayerProps.FeatureLayer = geoLayer;
//annoLayerProps.LabelWhichFeatures = esriLabelWhichFeatures.esriAllFeatures;
//annoLayerPropsColl.Add(annoLayerProps);
// 符号
checkBoxCostomSymbol.Checked = EPSUtils.IsLayerRenderer(featureLayer);
}
/// <summary>
/// 获取VCT头节点
/// </summary>
public HeadNode GetHeadNode()
{
m_HeadNode = new HeadNode();
///头文件数据标识、版本号、坐标系统类型，维数
m_HeadNode.Datamark =Metadata.MetaDataFile.HeadConfig.DataMark.Value;
m_HeadNode.Version = Metadata.MetaDataFile.HeadConfig.Version.Defualt;// "1.0";
m_HeadNode.CoordinateSystemType = Metadata.MetaDataFile.HeadConfig.CoordSystemType.Defualt;//"C";
m_HeadNode.Dim =Convert.ToInt32( Metadata.MetaDataFile.HeadConfig.CoordinateDim.Defualt);
///投影类型
m_HeadNode.Projection = Metadata.MetaDataFile.HeadConfig.Projection.Value;
///头文件X、Y坐标方向
m_HeadNode.XaxisDirection = Metadata.MetaDataFile.HeadConfig.XAxisDirection.Defualt;
m_HeadNode.YAxisDirection = Metadata.MetaDataFile.HeadConfig.YAxisDirection.Defualt;
//获取投影参数
// m_HeadNode.Parametetor = Metadata.MetaDataFile.HeadConfig.ProjectionParator.Value;//ipSpheroid.SemiMajorAxis.ToString("f6") + "," + ipSpheroid.SemiMinorAxis.ToString("f6");
///参考椭球,长半轴，扁率的倒数
m_HeadNode.Spheroid = Metadata.MetaDataFile.HeadConfig.Spheroid.Value; //pSpatialReference.Name + "," + ipSpheroid.SemiMajorAxis.ToString("f6") + "," + flater.ToString("f6");
//首子午线
m_HeadNode.PrimeMeridian = Metadata.MetaDataFile.HeadConfig.PrimeMeridian.Value;// ipProjCoordSys.get_CentralMeridian(true).ToString();
///比例尺
m_HeadNode.Scale = Metadata.MetaDataFile.HeadConfig.Scale.Value;
///坐标单位
m_HeadNode.Unit = Metadata.MetaDataFile.HeadConfig.CoordinateUnit.Defualt;
///偏移量
m_HeadNode.Excursion = Metadata.MetaDataFile.HeadConfig.Excurtion.Value;
//if("3_Degree")
//获取空间参考参数
ISpatialReference pSpatialReference = m_pSpatialReference;
ISpheroid ipSpheroid=null;
IProjection ipProjection;
///投影坐标系
if (m_pSpatialReference is IProjectedCoordinateSystem)
{
//获取空间参考参数
IProjectedCoordinateSystem ipProjCoordSys = m_pSpatialReference as IProjectedCoordinateSystem;//投影参考信息
ipProjection = ipProjCoordSys.Projection;
IGeographicCoordinateSystem ipGeoCoordSys = ipProjCoordSys.GeographicCoordinateSystem;
ipSpheroid = ipGeoCoordSys.Datum.Spheroid;
//m_HeadNode.Excursion = ipProjCoordSys.FalseEasting.ToString();///坐标偏移量
//m_HeadNode.Scale = ipProjCoordSys.ScaleFactor.ToString("6f");//比例尺
///获取最小、大坐标
double xMin = 10000000, xMax = 10000000, yMin = -10000000, yMax = -10000000;
ipProjCoordSys.GetDomain(out xMin, out xMax, out yMin, out yMax);
//GetXyDomain(m_pWorkspace, ref xMin, ref yMin, ref xMax, ref yMax);
m_HeadNode.MajorMax = new PointInfoNode(xMax, yMax);
m_HeadNode.MajorMin = new PointInfoNode(xMin, yMin);
m_HeadNode.CoordinateSystemType = "P";
///投影参数(东偏、北偏、原点经度、第一标准纬线，第二标准纬线、方位角)
m_HeadNode.Parametetor.EastOffset = ipProjCoordSys.FalseEasting.ToString();
m_HeadNode.Parametetor.NorthOffset = ipProjCoordSys.FalseNorthing.ToString();
m_HeadNode.Parametetor.OriginLongtitude = ipProjCoordSys.get_CentralMeridian(true).ToString();
try
{
m_HeadNode.Parametetor.FirstStandard = ipProjCoordSys.LatitudeOf1st.ToString();
m_HeadNode.Parametetor.SecondStandard = ipProjCoordSys.LatitudeOf2nd.ToString();
m_HeadNode.Parametetor.Angle = ipProjCoordSys.Azimuth.ToString();
}
catch
{ }
//m_HeadNode.Parametetor.Angle = ipProjCoordSys.Azimuth.ToString();
// m_HeadNode.Parametetor.OriginLatitude= ipProjCoordSys.
/////根据投影名称来判断带号，带宽
if (ipProjCoordSys.Name.Contains("3_Degree"))
{
m_HeadNode.Parametetor.With = "3";
}
else
{
m_HeadNode.Parametetor.With = "6";
}
////包含Zone的表示可能带带号
if (ipProjCoordSys.Name.Contains("Zone"))
{
int index = ipProjCoordSys.Name.LastIndexOf("Zone_");
int nTolLen = ipProjCoordSys.Name.Length;
string strSubName = ipProjCoordSys.Name.Substring(index+5, nTolLen - index-5);
////带号中不存在n则表示有带号
if (!strSubName.Contains("N"))
m_HeadNode.Parametetor.Num = m_HeadNode.Parametetor.Num;
}
else
{
///不存在带号
}
}
else if (m_pSpatialReference is IGeographicCoordinateSystem)
{
IGeographicCoordinateSystem ipGeoCoordSys = m_pSpatialReference as IGeographicCoordinateSystem;
ipSpheroid = ipGeoCoordSys.Datum.Spheroid;
///获取最小、大坐标
double xMin = 10000000, xMax = 10000000, yMin = -10000000, yMax = -10000000;
ipGeoCoordSys.GetDomain(out xMin, out xMax, out yMin, out yMax);
//GetXyDomain(m_pWorkspace, ref xMin, ref yMin, ref xMax, ref yMax);
m_HeadNode.MajorMax = new PointInfoNode(xMax, yMax);
m_HeadNode.MajorMin = new PointInfoNode(xMin, yMin);
m_HeadNode.CoordinateSystemType = "D";
//中央经线
m_HeadNode.Parametetor.OriginLongtitude = ipGeoCoordSys.PrimeMeridian.Longitude.ToString();
}
///高程基准 时间参考系
m_HeadNode.Vertical = Metadata.MetaDataFile.HeadConfig.Vertical.Value;
m_HeadNode.TemporalReferenceSystem = Metadata.MetaDataFile.HeadConfig.TemporalReferenceSystem.Value;
///获取日期
string dataTime = DateTime.Now.Year.ToString();
///计算月份部分不足两位加0
if (DateTime.Now.Month < 10)
dataTime = dataTime + "0" + DateTime.Now.Month.ToString();
else
dataTime += DateTime.Now.Month.ToString();
///计算日期部分不足两位加0
if (DateTime.Now.Day < 10)
dataTime = dataTime + "0" + DateTime.Now.Day.ToString();
else
dataTime += DateTime.Now.Day.ToString();
m_HeadNode.Date= dataTime;
HeadNode.Separator = Metadata.MetaDataFile.HeadConfig.Sparator.Value.ToCharArray()[0];
return m_HeadNode;
}
private void GetDataSource()
{
IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IDataset pFeatureDataset = pFeatureClass as IDataset;
ISpatialReference pSpatialRef;
pSpatialRef = (pFeatureClass as IGeoDataset).SpatialReference;
//判断如果转换成投影坐标是否成功 xisheng 20111122
IProjectedCoordinateSystem pProjectedCoordinateSystem = ((pFeatureClass as IGeoDataset).SpatialReference) as IProjectedCoordinateSystem;
IGeographicCoordinateSystem pGeographicCoordinateSystem = null;
if (pProjectedCoordinateSystem == null)
{
pGeographicCoordinateSystem = ((pFeatureClass as IGeoDataset).SpatialReference) as IGeographicCoordinateSystem;
}
else
{
pGeographicCoordinateSystem = pProjectedCoordinateSystem.GeographicCoordinateSystem;
}
//**************************************************end
string strDataType = pFeatureLayer.DataSourceType;
string strLocation = pFeatureDataset.Workspace.PathName;
string strFeatureDSName = pFeatureDataset.Name;
string strFCName = pFeatureClass.AliasName;
string strFeatureType = pFeatureClass.FeatureType.ToString().Substring(6);
string strGeometryType = pFeatureClass.ShapeType.ToString().Substring(12);
if (pProjectedCoordinateSystem != null)
{
string strPCSName = pProjectedCoordinateSystem.Name;
string strProjection = pProjectedCoordinateSystem.Projection.Name;
string strFalseEasting = pProjectedCoordinateSystem.FalseEasting.ToString();
string strFalseNorthing = pProjectedCoordinateSystem.FalseNorthing.ToString();
string strCentralMeridian = pProjectedCoordinateSystem.get_CentralMeridian(true).ToString();
string strScaleFactor = pProjectedCoordinateSystem.ScaleFactor.ToString();
string strLinearUnit = pProjectedCoordinateSystem.CoordinateUnit.Name;
string strGCSName = pGeographicCoordinateSystem.Name;
string strDatum = pGeographicCoordinateSystem.Datum.Name;
string strPrimeMeridian = pGeographicCoordinateSystem.PrimeMeridian.Name;
string strAngularUnit = pGeographicCoordinateSystem.CoordinateUnit.Name;
txtDataSource.Text =
"Data Type:\t\t\t" + strDataType +
"\r\n位置:\t\t\t" + strLocation +
"\r\n要素集:\t\t" + strFeatureDSName +
"\r\n要素类:\t\t\t" + strFCName +
"\r\n要素类型:\t\t\t" + strFeatureType +
"\r\n几何类型:\t\t\t" + strGeometryType +
"\r\n\r\n投影坐标系信息:\t" + strPCSName +
"\r\n投影:\t\t\t" + strProjection +
"\r\nFalse_Easting:\t\t\t" + strFalseEasting +
"\r\nFalse_Northing:\t\t\t" + strFalseNorthing +
"\r\nCentral_Meridian:\t\t" + strCentralMeridian +
"\r\nScale_Factor:\t\t\t" + strScaleFactor +
"\r\nLinear Unit:\t\t\t" + strLinearUnit +
"\r\n\r\nGeographic Coordinate System:\t" + strGCSName +
"\r\nDatum:\t\t\t\t" + strDatum +
"\r\nPrime Meridian:\t\t\t" + strPrimeMeridian +
"\r\nAngular Unit:\t\t\t" + strAngularUnit + "\r\n";
}
else
{
string strGCSName = pGeographicCoordinateSystem.Name;
string strDatum = pGeographicCoordinateSystem.Datum.Name;
string strPrimeMeridian = pGeographicCoordinateSystem.PrimeMeridian.Name;
string strAngularUnit = pGeographicCoordinateSystem.CoordinateUnit.Name;
txtDataSource.Text =
"Data Type:\t\t\t" + strDataType +
"\r\nLocation:\t\t\t" + strLocation +
"\r\nFeature Dataset:\t\t" + strFeatureDSName +
"\r\nFeature Class:\t\t\t" + strFCName +
"\r\nFeature Type:\t\t\t" + strFeatureType +
"\r\nGeometry Type:\t\t\t" + strGeometryType +
"\r\n\r\nGeographic Coordinate System:\t" + strGCSName +
"\r\nDatum:\t\t\t\t" + strDatum +
"\r\nPrime Meridian:\t\t\t" + strPrimeMeridian +
"\r\nAngular Unit:\t\t\t" + strAngularUnit + "\r\n";
}
}