public static void ChangeCoordinateSystem(IGeodatabaseRelease igeodatabaseRelease_0,
ISpatialReference ispatialReference_0, bool bool_0)
{
if (ispatialReference_0 != null)
{
bool geoDatasetPrecision = GeodatabaseTools.GetGeoDatasetPrecision(igeodatabaseRelease_0);
IControlPrecision2 controlPrecision = ispatialReference_0 as IControlPrecision2;
if (controlPrecision.IsHighPrecision != geoDatasetPrecision)
{
controlPrecision.IsHighPrecision = geoDatasetPrecision;
double num;
double num2;
double num3;
double num4;
ispatialReference_0.GetDomain(out num, out num2, out num3, out num4);
if (bool_0)
{
ISpatialReferenceResolution spatialReferenceResolution =
ispatialReference_0 as ISpatialReferenceResolution;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
ISpatialReferenceTolerance spatialReferenceTolerance =
ispatialReference_0 as ISpatialReferenceTolerance;
spatialReferenceTolerance.SetDefaultXYTolerance();
}
}
}
}
private void btnSelect_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog
{
Filter = "空间参考文件 (*.prj)|*.prj"
};
if (dialog.ShowDialog() == DialogResult.OK)
{
string fileName = dialog.FileName;
this.ispatialReference_0 =
((ISpatialReferenceFactory2)this.ispatialReferenceFactory_0).CreateESRISpatialReferenceFromPRJFile(
fileName);
IControlPrecision2 precision = this.ispatialReference_0 as IControlPrecision2;
if (this.bool_2 != precision.IsHighPrecision)
{
if (precision.IsHighPrecision)
{
(this.ispatialReference_0 as ISpatialReferenceResolution).ConstructFromHorizon();
precision.IsHighPrecision = this.bool_2;
}
else
{
precision.IsHighPrecision = this.bool_2;
}
}
this.method_1(this.ispatialReference_0);
this.method_0();
}
dialog.Dispose();
}
private ISpatialReference GetSpatialReference(int xyCoordinateSystem)
{
const bool IsHighPrecision = true;
ISpatialReference spatialReference;
ISpatialReferenceFactory3 spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
spatialReference = spatialReferenceFactory.CreateSpatialReference(xyCoordinateSystem);
IControlPrecision2 controlPrecision = spatialReference as IControlPrecision2;
controlPrecision.IsHighPrecision = IsHighPrecision;
ISpatialReferenceResolution spatialReferenceResolution = spatialReference as ISpatialReferenceResolution;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
spatialReferenceResolution.SetDefaultZResolution();
spatialReferenceResolution.SetDefaultMResolution();
ISpatialReferenceTolerance spatialReferenceTolerance = spatialReference as ISpatialReferenceTolerance;
spatialReferenceTolerance.SetDefaultXYTolerance();
spatialReferenceTolerance.SetDefaultZTolerance();
spatialReferenceTolerance.SetDefaultMTolerance();
return(spatialReference);
}
/// <summary>
// 创建要素数据集
/// </summary>
/// <param name="workspace"></param>
/// <param name="code"></param>
/// <param name="datasetName"></param>
/// <returns></returns>
public IFeatureDataset CreateFeatureClass(IWorkspace workspace, int code, string datasetName)
{
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspace;
//创建一个要素集创建一个投影
ISpatialReferenceFactory spatialRefFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference spatialReference = spatialRefFactory.CreateProjectedCoordinateSystem(code);
//确定是否支持高精度存储空间
Boolean supportsHighPrecision = false;
IWorkspaceProperties workspaceProperties = (IWorkspaceProperties)workspace;
IWorkspaceProperty workspaceProperty = workspaceProperties.get_Property
(esriWorkspacePropertyGroupType.esriWorkspacePropertyGroup,
(int)esriWorkspacePropertyType.esriWorkspacePropSupportsHighPrecisionStorage);
if (workspaceProperty.IsSupported)
{
supportsHighPrecision = Convert.ToBoolean(workspaceProperty.PropertyValue);
}
//设置投影精度
IControlPrecision2 controlPrecision = (IControlPrecision2)spatialReference;
controlPrecision.IsHighPrecision = supportsHighPrecision;
//设置容差
ISpatialReferenceResolution spatialRefResolution = (ISpatialReferenceResolution)spatialReference;
spatialRefResolution.ConstructFromHorizon();
spatialRefResolution.SetDefaultXYResolution();
ISpatialReferenceTolerance spatialRefTolerance = (ISpatialReferenceTolerance)spatialReference;
spatialRefTolerance.SetDefaultXYTolerance();
//创建要素集
IFeatureDataset featureDataset = featureWorkspace.CreateFeatureDataset(datasetName, spatialReference);
return(featureDataset);
}
/// <summary>
/// 根据某一图层的范围，创建mdb文件中的featuredataset及其空间范围
/// </summary>
/// <param name="motherWs">要创建featuredataset的工作空间</param>
/// <param name="pGeoDataset">featuredataset所要依据的空间参考和空间范围</param>
/// 这个函数要改！！
public static void CreateDatasetInWs(IWorkspace motherWs, IGeoDataset pGeoDataset, string datasetName)
{
try
{
ISpatialReference pSpatialRef = null;
IFeatureDataset pFtDs = null;
if (pGeoDataset != null)
{
pSpatialRef = pGeoDataset.SpatialReference;
IControlPrecision2 controlPrecision2 = pSpatialRef as IControlPrecision2;
if (!controlPrecision2.IsHighPrecision)
{
controlPrecision2.IsHighPrecision = true;
}
IEnvelope pEnv = pGeoDataset.Extent;
pEnv.Expand(1.5, 1.5, true);
pSpatialRef.SetDomain(pEnv.XMin, pEnv.XMax, pEnv.YMin, pEnv.YMax);
ISpatialReferenceTolerance pSpatialTolerance = (ISpatialReferenceTolerance)pSpatialRef;
double dXYTolerance = pSpatialTolerance.XYTolerance;
double dZTolerance = pSpatialTolerance.ZTolerance;
ISpatialReferenceResolution pSpatialRefResolution = (ISpatialReferenceResolution)pSpatialRef;
pSpatialRefResolution.set_XYResolution(true, dXYTolerance * 0.1);
pSpatialRefResolution.set_ZResolution(true, dZTolerance * 0.1);
pSpatialRefResolution.MResolution = pSpatialTolerance.MTolerance * 0.1;
pFtDs = ((IFeatureWorkspace)motherWs).CreateFeatureDataset(datasetName, pSpatialRef);
}
else
{
pSpatialRef = new UnknownCoordinateSystemClass();
ISpatialReferenceTolerance pSpatialTolerance = (ISpatialReferenceTolerance)pSpatialRef;
double dXYTolerance = pSpatialTolerance.XYTolerance;
double dZTolerance = pSpatialTolerance.ZTolerance;
ISpatialReferenceResolution pSpatialRefResolution = (ISpatialReferenceResolution)pSpatialRef;
pSpatialRefResolution.set_XYResolution(true, dXYTolerance * 0.1);
pSpatialRefResolution.set_ZResolution(true, dZTolerance * 0.1);
pSpatialRefResolution.MResolution = pSpatialTolerance.MTolerance * 0.1;
pFtDs = ((IFeatureWorkspace)motherWs).CreateFeatureDataset(datasetName, pSpatialRef);
}
}
catch (Exception exp)
{
Hy.Common.Utility.Log.OperationalLogManager.AppendMessage(exp.ToString());
}
}
private ISpatialReference method_0(bool bool_5)
{
ISpatialReference reference = new UnknownCoordinateSystemClass();
IControlPrecision2 precision = reference as IControlPrecision2;
precision.IsHighPrecision = bool_5;
ISpatialReferenceResolution resolution = reference as ISpatialReferenceResolution;
resolution.ConstructFromHorizon();
resolution.SetDefaultXYResolution();
(reference as ISpatialReferenceTolerance).SetDefaultXYTolerance();
return(reference);
}
private void method_0(ISpatialReference ispatialReference_0)
{
bool geoDatasetPrecision = false;
IGeodatabaseRelease release = this.iworkspace_0 as IGeodatabaseRelease;
IControlPrecision2 precision = ispatialReference_0 as IControlPrecision2;
geoDatasetPrecision = GeodatabaseTools.GetGeoDatasetPrecision(release);
precision.IsHighPrecision = geoDatasetPrecision;
ISpatialReferenceResolution resolution = ispatialReference_0 as ISpatialReferenceResolution;
resolution.ConstructFromHorizon();
resolution.SetDefaultXYResolution();
(ispatialReference_0 as ISpatialReferenceTolerance).SetDefaultXYTolerance();
}
/// <summary>
/// Converts an existing low precision spatial reference and returns a new high precision spatial reference.
/// </summary>
/// <param name="lowSpatialReference">An ISpatialReference interface that is the low spatial reference to be converted.</param>
/// <param name="xyDoubler">A System.Int32 that is the amount of doubling (2^x) based on the input resolution; -1 produces a value close to the default resolution. Example: -1</param>
/// <param name="mDoubler">A System.Int32 that determines doubling of m-resolution based on input m-resolution; the default is 0. Example: 0</param>
/// <param name="zDoubler">A System.Int32 that determines doubling of z-resolution based on input z-resolution; default is 0. Example: 0</param>
/// <returns>An ISpatialReference interface that is the new high precision spatial reference.</returns>
public static ISpatialReference ConvertSpatialReferenceFromLowToHighPrecision(ISpatialReference lowSpatialReference, int xyDoubler, int mDoubler, int zDoubler)
{
IControlPrecision2 controlPrecision2 = lowSpatialReference as IControlPrecision2;
if (controlPrecision2.IsHighPrecision)
{
throw new ArgumentException("Expected a low precision spatial reference.", "lowSpatialReference");
}
ISpatialReferenceFactory3 spatialReferenceFactory3 = new SpatialReferenceEnvironmentClass();
ISpatialReference highSpatialReference = spatialReferenceFactory3.ConstructHighPrecisionSpatialReference(lowSpatialReference, xyDoubler, zDoubler, mDoubler);
return(highSpatialReference);
}
private ISpatialReference method_0(bool bool_1)
{
new SpatialReferenceEnvironmentClass();
ISpatialReference reference = new UnknownCoordinateSystemClass();
IGeodatabaseRelease release = this.ifeatureWorkspace_0 as IGeodatabaseRelease;
IControlPrecision2 precision = reference as IControlPrecision2;
bool_1 = GeodatabaseTools.GetGeoDatasetPrecision(release);
precision.IsHighPrecision = bool_1;
ISpatialReferenceResolution resolution = reference as ISpatialReferenceResolution;
resolution.ConstructFromHorizon();
resolution.SetDefaultXYResolution();
(reference as ISpatialReferenceTolerance).SetDefaultXYTolerance();
return(reference);
}
public static ISpatialReference ConstructCoordinateSystem(IGeodatabaseRelease igeodatabaseRelease_0)
{
bool geoDatasetPrecision = GeodatabaseTools.GetGeoDatasetPrecision(igeodatabaseRelease_0);
ISpatialReference spatialReference = new UnknownCoordinateSystem() as ISpatialReference;
IControlPrecision2 controlPrecision = spatialReference as IControlPrecision2;
controlPrecision.IsHighPrecision = geoDatasetPrecision;
ISpatialReferenceResolution spatialReferenceResolution = spatialReference as ISpatialReferenceResolution;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
ISpatialReferenceTolerance spatialReferenceTolerance = spatialReference as ISpatialReferenceTolerance;
spatialReferenceTolerance.SetDefaultXYTolerance();
return(spatialReference);
}
/// <summary>
/// 创建几何空间参考
/// </summary>
/// <param name="LoadPath">空间参考文件</param>
/// <param name="eError"></param>
/// <returns></returns>
public ISpatialReference GetSpatialRef(string LoadPath, out Exception eError)
{
eError = null;
try
{
ISpatialReference pSR = null;
ISpatialReferenceFactory pSpatialRefFac = new SpatialReferenceEnvironmentClass();
if (!File.Exists(LoadPath))
{
//eError = new Exception("空间参考文件不存在！");
return(null);
}
pSR = pSpatialRefFac.CreateESRISpatialReferenceFromPRJFile(LoadPath);
ISpatialReferenceResolution pSRR = pSR as ISpatialReferenceResolution;
ISpatialReferenceTolerance pSRT = (ISpatialReferenceTolerance)pSR;
IControlPrecision2 pSpatialPrecision = (IControlPrecision2)pSR;
pSRR.ConstructFromHorizon();//Defines the XY resolution and domain extent of this spatial reference based on the extent of its horizon
pSRR.SetDefaultXYResolution();
pSRT.SetDefaultXYTolerance();
return(pSR);
}
catch (Exception ex)
{
//*******************************************************************
//guozheng added
if (ModData.SysLog != null)
{
ModData.SysLog.Write(ex, null, DateTime.Now);
}
else
{
ModData.SysLog = new SysCommon.Log.clsWriteSystemFunctionLog();
ModData.SysLog.Write(ex, null, DateTime.Now);
}
//********************************************************************
eError = ex;
return(null);
}
}
private void btnImport_Click(object sender, EventArgs e)
{
frmOpenFile file = new frmOpenFile();
file.AddFilter(new MyGxFilterDatasets(), true);
file.AllowMultiSelect = false;
if (file.ShowDialog() == DialogResult.OK)
{
IGxDataset dataset = file.Items.get_Element(0) as IGxDataset;
if (dataset != null)
{
IGeoDataset dataset2 = dataset.Dataset as IGeoDataset;
if (dataset2 != null)
{
this.ispatialReference_0 = dataset2.SpatialReference;
this.textBoxName.Text = this.ispatialReference_0.Name;
this.textBoxName.Tag = this.ispatialReference_0;
if (this.ispatialReference_0 is IUnknownCoordinateSystem)
{
this.btnModify.Enabled = false;
}
else
{
this.btnModify.Enabled = true;
}
IControlPrecision2 precision = this.ispatialReference_0 as IControlPrecision2;
if (NewObjectClassHelper.m_pObjectClassHelper.IsHighPrecision != precision.IsHighPrecision)
{
if (precision.IsHighPrecision)
{
precision.IsHighPrecision = NewObjectClassHelper.m_pObjectClassHelper.IsHighPrecision;
(this.ispatialReference_0 as ISpatialReferenceResolution).ConstructFromHorizon();
}
else
{
precision.IsHighPrecision = NewObjectClassHelper.m_pObjectClassHelper.IsHighPrecision;
}
}
}
}
}
}
private static void ChangeCoordinateSystem(IGeodatabaseRelease igeodatabaseRelease_0,
ISpatialReference ispatialReference_0, bool bool_0)
{
if (ispatialReference_0 != null)
{
bool geoDatasetPrecision = GeodatabaseTools.GetGeoDatasetPrecision(igeodatabaseRelease_0);
IControlPrecision2 ispatialReference0 = ispatialReference_0 as IControlPrecision2;
if (ispatialReference0.IsHighPrecision != geoDatasetPrecision)
{
ispatialReference0.IsHighPrecision = geoDatasetPrecision;
if (bool_0)
{
ISpatialReferenceResolution spatialReferenceResolution =
ispatialReference_0 as ISpatialReferenceResolution;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
(ispatialReference_0 as ISpatialReferenceTolerance).SetDefaultXYTolerance();
}
}
}
}
private void btnImport_Click(object sender, EventArgs e)
{
frmOpenFile file = new frmOpenFile();
file.AddFilter(new MyGxFilterDatasets(), true);
file.AllowMultiSelect = false;
if (file.ShowDialog() == DialogResult.OK)
{
IGxDataset dataset = file.Items.get_Element(0) as IGxDataset;
if (dataset != null)
{
IGeoDataset dataset2 = dataset.Dataset as IGeoDataset;
if (dataset2 != null)
{
this.ispatialReference_0 = dataset2.SpatialReference;
IControlPrecision2 precision = this.ispatialReference_0 as IControlPrecision2;
if (this.bool_2 != precision.IsHighPrecision)
{
if (precision.IsHighPrecision)
{
precision.IsHighPrecision = this.bool_2;
(this.ispatialReference_0 as ISpatialReferenceResolution).ConstructFromHorizon();
}
else
{
precision.IsHighPrecision = this.bool_2;
}
}
this.method_1(this.ispatialReference_0);
if (this.SpatialReferenceChanged != null)
{
this.SpatialReferenceChanged(this.ispatialReference_0);
}
this.method_0();
}
}
}
}
public static bool IsLowPrecisionSpatialReference(ISpatialReference sr)
{
IControlPrecision2 controlPrecision2 = sr as IControlPrecision2;
return(!controlPrecision2.IsHighPrecision);
}
