/// <summary>
/// 栅格入库类似ArcMap中的Load
/// </summary>
/// <param name="pWs"></param>
/// <param name="pRasterName"></param>
/// <param name="pRaser"></param>
public void RasterInput(IWorkspace pWs, string pRasterName, IRaster pRaser)
{
IRasterWorkspaceEx pRsWx = pWs as IRasterWorkspaceEx;
IRasterLoader pRastCatLoader = new RasterLoaderClass();
pRastCatLoader.MosaicColormapMode = rstMosaicColormapMode.MM_FIRST;
pRastCatLoader.Load(pRsWx.OpenRasterDataset(pRasterName), pRaser);
}
/// <summary>
/// 导入数据（栅格数据集）
/// </summary>
/// <param name="RDDatasetName">栅格数据集名称</param>
/// <param name="filePath">源数据路径</param>
/// <param name="pWorkspace">栅格数据集工作空间</param>
/// <param name="eError"></param>
/// <returns></returns>
private bool InputRasterDataset(string RDDatasetName, string filePath, IWorkspace pWorkspace, out Exception eError)
{
eError = null;
FileInfo pFileInfo = new FileInfo(filePath);
string pFileDic = pFileInfo.DirectoryName; //文件目录
string pFileName = pFileInfo.Name; //文件名
try
{
//IMosaicRaster pMosaicR = null;
//目标栅格数据集
IRasterDataset pObjRasterDataset = GetRasterDataset(RDDatasetName, pWorkspace, out eError);
if (pObjRasterDataset == null)
{
return(false);
}
//IRaster pObjRaster = pObjRasterDataset.CreateDefaultRaster();
//if(pObjRaster!=null)
//{
// pMosaicR = pObjRaster as IMosaicRaster;
//}
//栅格数据工作空间
IWorkspaceFactory pOrgRasterWsFac = new RasterWorkspaceFactoryClass();
IWorkspace pWS = pOrgRasterWsFac.OpenFromFile(pFileDic, 0);
IRasterWorkspace2 pRasterWS = pWS as IRasterWorkspace2;
if (pRasterWS == null)
{
return(false);
}
IRasterDataset pOrgRDataset = pRasterWS.OpenRasterDataset(pFileName);
IRaster pOrgRaster = pOrgRDataset.CreateDefaultRaster();
//load raster data to exist raster dataset
IRasterLoader pRasterLoad = new RasterLoaderClass();
if (pOrgRaster != null)
{
//if(pMosaicR!=null)
//{
// //若目标要素不为空，则进行拼接
// //pMosaicR.MosaicOperatorType = rstMosaicOperatorType.MT_LAST;
// pMosaicR.OrderByField = "Name";
// pMosaicR.Ascending = true;
// pMosaicR.MosaicColormapMode = rstMosaicColormapMode.MM_MATCH;
// IMosaicOperator pMosaicOpe=pMosaicR.MosaicOperator;
//}
pRasterLoad.Background = 0; //background value be ignored when loading
pRasterLoad.PixelAlignmentTolerance = 0; //重采样的容差
pRasterLoad.MosaicColormapMode = rstMosaicColormapMode.MM_LAST; //拼接的颜色采用 last map color
pRasterLoad.Load(pObjRasterDataset, pOrgRaster);
}
Marshal.ReleaseComObject(pRasterLoad);
}
catch (System.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(false);
}
return(true);
}
/// <summary>
/// 栅格入库类似ArcMap中的Load
/// </summary>
/// <param name="pWs"></param>
/// <param name="pRasterName"></param>
/// <param name="pRaser"></param>
public void RasterInput(IWorkspace pWs, string pRasterName, IRaster pRaser)
{
IRasterWorkspaceEx pRsWx = pWs as IRasterWorkspaceEx;
IRasterLoader pRastCatLoader = new RasterLoaderClass();
pRastCatLoader.MosaicColormapMode = rstMosaicColormapMode.MM_FIRST;
pRastCatLoader.Load(pRsWx.OpenRasterDataset(pRasterName), pRaser);
}
private void btnOK_Click(object sender, EventArgs e)
{
Exception eError = null;
//界面控制判断和检查
if (txtSavePath.Text == "")
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "请选择保存路径！");
return;
}
//栅格数据文件名称
string pFileName = txtSavePath.Text.Trim();
pFileName = pFileName.Substring(pFileName.LastIndexOf('\\') + 1);
//目标栅格数据存储类型
string pFormat = cmbDataFormat.Text.Trim().ToUpper();
#region 创建目标工作空间
IWorkspace pDesWS = null;//定义工作空间
//如果存在同名库体则删除
if (File.Exists(txtSavePath.Text.Trim()))
{
File.Delete(txtSavePath.Text.Trim());
}
if (cmbDataFormat.Text.Trim().ToUpper() == "PDB")
{
pDesWS = CreateWorkspace(txtSavePath.Text.Trim(), "PDB", out eError);
}
else if (cmbDataFormat.Text.Trim().ToUpper() == "GDB")
{
pDesWS = CreateWorkspace(txtSavePath.Text.Trim(), "GDB", out eError);
}
else if (cmbDataFormat.Text.Trim().ToUpper() == "TIF")
{
pDesWS = CreateWorkspace(txtSavePath.Text.Trim(), "tif", out eError);
}
else if (cmbDataFormat.Text.Trim().ToUpper() == "IMG")
{
pDesWS = CreateWorkspace(txtSavePath.Text.Trim(), "img", out eError);
}
if (eError != null)
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "创建工作空间失败！");
return;
}
if (pDesWS == null)
{
return;
}
#endregion
//IExtractionOp extraction = new RasterExtractionOpClass();
IGeometry clipExtent = null; //几何限制条件
#region 获得几何限制条件
IGeometry pGeo1 = null;
IGeometry pGeo2 = null;
IGeometry pGeo3 = null;
pGeo1 = GetUnionGeo(dgMap);
pGeo2 = GetUnionGeo(dgCounty);
pGeo3 = GetUnionGeo(dgRange);
ITopologicalOperator pTop = clipExtent as ITopologicalOperator;
if (pGeo1 != null)
{
if (clipExtent == null)
{
clipExtent = pGeo1;
}
else
{
clipExtent = pTop.Union(pGeo1);
}
}
pTop = clipExtent as ITopologicalOperator;
if (pGeo2 != null)
{
if (clipExtent == null)
{
clipExtent = pGeo2;
}
else
{
clipExtent = pTop.Union(pGeo2);
}
}
pTop = clipExtent as ITopologicalOperator;
if (pGeo3 != null)
{
if (clipExtent == null)
{
clipExtent = pGeo3;
}
else
{
clipExtent = pTop.Union(pGeo3);
}
}
if (clipExtent != null)
{
pTop = clipExtent as ITopologicalOperator;
pTop.Simplify();
clipExtent = pTop as IGeometry;
}
#endregion
try
{
#region 提取数据
IRaster pOrgRaster = null; //源栅格数据
if (m_dbType == "栅格数据集")
{
//源栅格数据图层
IRasterLayer mOrgRasterlyer = m_Layer as IRasterLayer;
if (mOrgRasterlyer == null)
{
return;
}
//源栅格数据集
pOrgRaster = mOrgRasterlyer.Raster;
if (pOrgRaster == null)
{
return;
}
//栅格数据集提取
StractData(pFileName, clipExtent, pDesWS, pFormat, pOrgRaster, checkBoxClip.Checked, out eError);
if (eError != null)
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", eError.Message);
return;
}
}
else
{
//源数据为栅格数据编目，步骤入下：
//(1) 创建临时的工作空间;
//(2) 将符合属性条件的栅格数据拼接成栅格数据集后，存储在临时的工作空间里面
//(3) 将临时的工作空间里面的栅格数据集案范围提取出来
//=======================================================================================
#region 栅格编目数据提取
//（1）创建临时工作空间
IWorkspace tempWS = CreateWorkspace(ModData.temporaryDBPath, "GDB", out eError);
if (eError != null)
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "创建临时的工作空间出错！");
return;
}
if (tempWS == null)
{
return;
}
//（2）遍历源栅格数据，将数据入库到临时工作空间里面
//源栅格数据图层
IFeatureLayer mOrgFeaLyer = m_Layer as IFeatureLayer;
if (mOrgFeaLyer == null)
{
return;
}
IRasterDataset pResRDataset = null; //最后生成的栅格数据集
IFeatureClass pOrgFeaCls = mOrgFeaLyer.FeatureClass;
IQueryFilter pFilter = new QueryFilterClass();
pFilter.WhereClause = txtWhereStr.Text.Trim();
IFeatureCursor pFeaCursor = pOrgFeaCls.Search(pFilter, false);
if (pFeaCursor == null)
{
return;
}
IFeature pORgFea = pFeaCursor.NextFeature();
#region 遍历源栅格数据，进行源栅格数据入库（过滤和拼接）
while (pORgFea != null)
{
IRasterCatalogItem pOrgRCItem = pORgFea as IRasterCatalogItem;
IRasterDataset pOrgRasterDt = pOrgRCItem.RasterDataset;
if (pResRDataset == null)
{
//第一个数据入库直接将源数据拷贝过去
if (pOrgRasterDt.CanCopy())
{
pResRDataset = pOrgRasterDt.Copy(m_DesRasterCollName, tempWS) as IRasterDataset;
pORgFea = pFeaCursor.NextFeature();
continue;
}
}
//从第二个栅格数据开始，进行入库和拼接
IRaster pOrgRast = pOrgRasterDt.CreateDefaultRaster();
IRasterLoader pRasterLoad = new RasterLoaderClass();
if (pOrgRast != null)
{
pRasterLoad.Background = 0; //background value be ignored when loading
pRasterLoad.PixelAlignmentTolerance = 0; //重采样的容差
pRasterLoad.MosaicColormapMode = rstMosaicColormapMode.MM_LAST; //拼接的颜色采用 last map color
pRasterLoad.Load(pResRDataset, pOrgRast);
}
Marshal.ReleaseComObject(pRasterLoad);
pORgFea = pFeaCursor.NextFeature();
}
//释放cursor
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeaCursor);
#endregion
//（3) 将临时工作空间里面的栅格数据集提取出来
if (pResRDataset == null)
{
return;
}
pOrgRaster = pResRDataset.CreateDefaultRaster();
StractData(pFileName, clipExtent, pDesWS, pFormat, pOrgRaster, checkBoxClip.Checked, out eError);
if (eError != null)
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", eError.Message);
return;
}
#endregion
}
#endregion
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "操作完成！");
}
catch (Exception er)
{
//*******************************************************************
//guozheng added
if (ModData.SysLog != null)
{
ModData.SysLog.Write(er, null, DateTime.Now);
}
else
{
ModData.SysLog = new SysCommon.Log.clsWriteSystemFunctionLog();
ModData.SysLog.Write(er, null, DateTime.Now);
}
//********************************************************************
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "提取栅格数据失败！\n" + er.Message);
return;
}
this.Close();
}