Buffer polygon intersect error : ArcObject Exception from HRESULT: 0x80040215

muthukamatchiganesan — Fri, 31 Jul 2015 11:06:10 GMT

I try the get the plogon area with in buffer polygon area. But its always gives error. My error code is "ArcObject Exception from HRESULT: 0x80040215"

My code is given below :

// Convert the JSON line to an ArcObjects Polyline

var missing = Type.Missing;

IPolyline routePolyline = new PolylineClass();

foreach (var point in args.RoutePolyline)

{

(routePolyline as IPointCollection).AddPoint(

new PointClass {X = point.X, Y = point.Y, SpatialReference = _webMercator},

ref missing, ref missing);

}

routePolyline.SpatialReference = _webMercator;

// Buffer it...

var topologicalOperator = routePolyline as ITopologicalOperator;

var routeBufferPolygon = topologicalOperator.Buffer(args.BufferDistance) as IPolygon;

foreach (var layer in layersToArea)

{

var layerName = layer.Key;

var jsonPropertyName = layer.Value;

// Get the feature class and error out if it's not found

var fc = Utilities.GetFeatureClass(_mapServer, layerName);

if (fc == null)

{

var errMessage = string.Format("Can't find the feature class for '{0}'.", layerName);

_logger.LogMessage(ServerLogger.msgType.error, "GetStats", -1000, errMessage);

return ErrorResponse(errMessage);

}

// Setup a spatial filter for intersecting our buffer area

ISpatialFilter sf = new SpatialFilterClass();

sf.GeometryField = fc.ShapeFieldName;

sf.Geometry = routeBufferPolygon;

sf.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;

// Find the position of the "SQMI" field in the feature class.

int nameFieldPosition = fc.FindField("SQMI");

// Execute the query and iterate through the cursor's results.

IFeatureCursor resultsFeatureCursor = fc.Search(sf, true);

IFeature resultsFeature = null;

double totalArea = 0.0;

while ((resultsFeature = resultsFeatureCursor.NextFeature()) != null)

{

// problem accrued here

IPolygon clippedResultsGeometry = (IPolygon)

topologicalOperator.Intersect(resultsFeature.Shape,

ESRI.ArcGIS.Geometry.esriGeometryDimension.esriGeometry2Dimension);

//clippedResultsGeometry.Densify(0, 0); // Densify to maintain curved appearance when converted to JSON.

// Get statistics.

IArea area = (IArea)clippedResultsGeometry;

totalArea += area.Area;

}

jsonResult.AddDouble(jsonPropertyName, totalArea);

}

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Buffer polygon intersect error : ArcObject Exception from HRESULT: 0x80040215