protected override void Execute()
{
var featureClass = FeatureWorkspace.OpenFeatureClass(Args.FeatureClass.Trim());
var errors = ValidateFields(featureClass, Args.ReturnValues);
if (errors.Any())
{
ErrorMessage = "{0} does not contain an attribute {1}. Check your spelling."
.With(Args.FeatureClass, string.Join(" or ", errors));
return;
}
var filter = new QueryFilterClass
{
WhereClause = Args.WhereClause
};
var fCursor = featureClass.Search(filter, true);
var fields = featureClass.Fields;
var container = AddResultsToContainer(fCursor, fields, Args.ReturnValues, Args.SpatialRefefence);
Result = container;
}
protected override void Execute()
{
IFeatureClass featureClass;
try
{
featureClass = FeatureWorkspace.OpenFeatureClass(Args.FeatureClass.Trim());
}
catch (COMException ex)
{
ErrorMessage =
"{0} is not a spatial feature class and cannot be queried with a geometry. Result: {1}".With(Args.FeatureClass, ex.HResult);
return;
}
var errors = ValidateFields(featureClass, Args.ReturnValues);
if (errors.Any())
{
ErrorMessage = "{0} does not contain an attribute {1}. Check your spelling."
.With(Args.FeatureClass, string.Join(" or ", errors));
return;
}
if (Args.Shape == null)
{
ErrorMessage = "The point used to do the query appears to be invalid. Check the syntax point:[x,y]";
return;
}
var spatFilter = new SpatialFilterClass
{
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects,
WhereClause = Args.WhereClause,
Geometry = Args.Shape
};
var fCursor = featureClass.Search(spatFilter, true);
var fields = featureClass.Fields;
var container = AddResultsToContainer(fCursor, fields, Args.ReturnValues, Args.SpatialRefefence);
Marshal.ReleaseComObject(fields);
Marshal.ReleaseComObject(spatFilter);
Marshal.ReleaseComObject(featureClass);
Marshal.ReleaseComObject(FeatureWorkspace);
Result = container;
}
/// <summary>
/// code to execute when command is run.
/// </summary>
protected override void Execute()
{
IList <string> errors = new List <string>();
if (Args.Shape == null)
{
ErrorMessage = "To query a raster you must supply a shape";
return;
}
IGeometry point = null;
if (Args.Shape.GeometryType == esriGeometryType.esriGeometryPoint)
{
point = Args.Shape;
}
else
{
var area = Args.Shape as IArea;
if (area == null)
{
errors.Add("Could not get centroid from input geometry. Best results are with point geometry types.");
}
else
{
point = area.Centroid;
}
}
if (errors.Any())
{
ErrorMessage = "Could not complete operation. {0}".With(string.Join(", ", errors));
return;
}
var featureClass = FeatureWorkspace.OpenRasterDataset(Args.FeatureClass.Trim());
var rasterLayer = new RasterLayer();
rasterLayer.CreateFromDataset(featureClass);
var table = rasterLayer as ITable;
if (table == null)
{
ErrorMessage = "Could not complete operation. {0}".With("Accessing raster table.");
return;
}
errors = ValidateFields(table, Args.ReturnValues);
if (errors.Any())
{
ErrorMessage = "{0} does not contain an attribute {1}. Check your spelling."
.With(Args.FeatureClass, string.Join(" or ", errors));
return;
}
var identify = rasterLayer as IIdentify;
if (identify == null)
{
ErrorMessage = "Could not complete operation. {0}".With("Identifying raster.");
return;
}
var results = identify.Identify(point);
if (results == null || results.Count < 1)
{
Result = new ResponseContainer <SearchResult>
{
Results = new List <SearchResult>()
};
return;
}
var container = AddResultsToContainer(results, table.Fields, Args.ReturnValues, Args.SpatialRefefence);
Marshal.ReleaseComObject(identify);
Marshal.ReleaseComObject(table);
Marshal.ReleaseComObject(rasterLayer);
Marshal.ReleaseComObject(featureClass);
Marshal.ReleaseComObject(FeatureWorkspace);
Result = container;
}
