HEC-GeoRASを使用してERROR 010151をどのように解決できますか？

Question

<\/HEAD>皆さん、こんにちは、<\/P> <\/P> 私はArcGIS 10.6とHEC-GeoRAS 10.6を使用しています。GISプロジェクトを作成する必要があります。まず、HEC RASで定常シミュレーションを実行し、HEC-RASからすべてのデータをエクスポートしてプログラムを終了します。次に、ArcGISでGeoRASを使ってSDFをXMLファイルに変換し、レイヤーを設定し、新しい解析を作成して水面生成を行いますが、すべて問題なく進みます。最後に、「ラスターを使用した洪水氾濫域の区分」を選択すると、次のエラーが発生します：<\/P> <\/P> System.Runtime.InteropServices.COMException(0x80041098):ERROR 010151:<\/STRONG> C:\........\Steady_PF\fdtemp.shpにフィーチャが見つかりません。空のフィーチャクラスの可能性があります。 <\/EM> at ESRI.ArcGIS.GeoAnalyst.RasterConversionOpClass.RasterDataToPolygonFeatureData(IGeoDataset dataset, IWorkspace pWorkspace, String name, Boolean weeding)<\/EM> at HECGeoRAS.clsMFloodGRIDIntersection.GridToPolygon1(IRaster pRaster, IGeoDataset pGeoIn, IWorkspace pWS, String sName, Boolean sWeeding)<\/EM><\/P><\/P>解決できません。どなたか助けていただけますか？どうもありがとうございます！<\/P><\/P>#hec ras<\/A> #hec geo ras<\/A> #geo hec-ras<\/A> #hec-ras<\/A> #hydro<\/A> #flood mapping<\/A> #HydroTools<\/P><\/BODY><\/HTML>

kevinsong8997 · Answer

Hi Kurt, do you happen to know what exactly causes this error? What exactly is 'fdtemp.shp' and why does it show up empty? I tried running the same tool and had the same error, the process crashes at the step "Converting floodplain GRID to polygon for profile (name)" and then it says "Could not convert Grid to Polygon! for profile (name)". If the process crashed here, would it not imply that the process was successful up to the subtraction of the contour grid and water surface grid? And if this were the case, is it possible to take the data from the output grid of the subtraction and use the Raster to Polygon tool to create the polygon in the Arcmap? Thanks in advance.

Best regards,

Kevin

KurtisBaron · Answer

Estefania,

Looks like you got your cross sections to come into ArcGIS.  Make a TIN using your cross sections as a contour data type and the water surface elevation field as the elevation source.  Convert the output TIN to a raster with the same cell size as your DEM.  Looks like your DEM might also be a TIN.  If so, convert this to a raster as well.  Use the Minus tool in Spatial Analyst to get the difference, which will also be a raster.  Create a contour using Contour List at an elevation of zero.  This line indicates where the terrain elevation is equal to the water surface elevation.  It also represents the floodplain boundary as a line.  If you connect the endpoints of this line to make a closed polygon, you can then convert it to a floodplain polygon and edit it accordingly.

You can put this into Model Builder to help you automate the process for future iterations.

Hope this helps,

Kurt Baron