/// <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(); }