///// <summary>
///// Gets a boolean that is true if the geometry of this feature is covered by the geometry
///// of the specified feature
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The feature to compare this feature to</param>
///// <returns>Boolean, true if this feature is covered by the specified feature</returns>
//public static bool CoveredBy(this IFeature self, IFeature other)
//{
// return Geometry.FromBasicGeometry(self.Geometry).CoveredBy(Geometry.FromBasicGeometry(other));
//}
///// <summary>
///// Gets a boolean that is true if the geometry of this feature is covered by the geometry
///// of the specified feature
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The feature to compare this feature to</param>
///// <returns>Boolean, true if this feature is covered by the specified feature</returns>
//public static bool CoveredBy(this IFeature self, IGeometry other)
//{
// return Geometry.FromBasicGeometry(self.Geometry).CoveredBy((other));
//}
///// <summary>
///// Gets a boolean that is true if the geometry of this feature covers the geometry
///// of the specified feature
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The feature to compare this feature to</param>
///// <returns>Boolean, true if this feature covers the specified feature</returns>
//public static bool Covers(this IFeature self, IFeature other)
//{
// return Geometry.FromBasicGeometry(self.Geometry).Covers(Geometry.FromBasicGeometry(other));
//}
///// <summary>
///// Gets a boolean that is true if the geometry of this feature covers the geometry
///// of the specified feature
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The feature to compare this feature to</param>
///// <returns>Boolean, true if this feature covers the specified feature</returns>
//public static bool Covers(this IFeature self, IGeometry other)
//{
// return Geometry.FromBasicGeometry(self.Geometry).Covers(other);
//}
///// <summary>
///// Gets a boolean that is true if the geometry of this feature crosses the geometry
///// of the specified feature
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The feature to compare this feature to</param>
///// <returns>Boolean, true if this feature crosses the specified feature</returns>
//public static bool Crosses(this IFeature self, IFeature other)
//{
// return Geometry.FromBasicGeometry(self.Geometry).Crosses(Geometry.FromBasicGeometry(other));
//}
///// <summary>
///// Gets a boolean that is true if the geometry of this feature crosses the geometry
///// of the specified feature
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The feature to compare this feature to</param>
///// <returns>Boolean, true if this feature crosses the specified feature</returns>
//public static bool Crosses(this IFeature self, IGeometry other)
//{
// return Geometry.FromBasicGeometry(self.Geometry).Crosses(other);
//}
///// <summary>
///// Creates a new Feature that has a geometry that is the difference between this feature and the specified feature.
///// </summary>
///// <param name="self">This feature</param>
///// <param name="other">The other feature to compare to.</param>
///// <returns>A new feature that is the geometric difference between this feature and the specified feature.</returns>
//public static IFeature Difference(this IFeature self, IFeature other)
//{
// if (other == null) return self.Copy();
// IGeometry g = Geometry.FromBasicGeometry(self.Geometry).Difference(Geometry.FromBasicGeometry(other.Geometry));
// if (g == null) return null;
// if (g.IsEmpty) return null;
// return new Feature(g);
//}
/// <summary>
/// Creates a new Feature that has a geometry that is the difference between this feature and the specified feature.
/// </summary>
/// <param name="self">This feature</param>
/// <param name="other">The other feature to compare to.</param>
/// <returns>A new feature that is the geometric difference between this feature and the specified feature.</returns>
public static IFeature Difference(this IFeature self, IGeometry other)
{
if (other == null)
{
return(self.Copy());
}
IGeometry g = self.Geometry.Difference(other);
if (g == null || g.IsEmpty)
{
return(null);
}
return(new Feature(g));
}
/// <summary>
/// Creates a new Feature that has a geometry that is the difference between this feature and the specified feature.
/// </summary>
/// <param name="self">This feature</param>
/// <param name="other">The other feature to compare to.</param>
/// <returns>A new feature that is the geometric difference between this feature and the specified feature.</returns>
public static IFeature Difference(this IFeature self, IGeometry other)
{
if (other == null)
{
return(self.Copy());
}
IGeometry g = Geometry.FromBasicGeometry(self.BasicGeometry).Difference(other);
if (g == null)
{
return(null);
}
if (g.IsEmpty)
{
return(null);
}
return(new Feature(g));
}
/// <summary>
/// Make fieldAttributes sub-set of fieldAttributes specific number of random elements from the selected
/// feature layer in the map legend.
/// </summary>
/// <param name="pSampleSize">Number of elements to return</param>
public static FeatureSet CreateRandomSelection(IFeatureLayer mLayer, int pSampleSize)
{
if (mLayer == null)
{
Utilities.LogDebug("The specified layer is null");
return(null);
}
var mRndFeatureSet = new FeatureSet();
IFeatureSet mFeatureSet = mLayer.DataSet;
mRndFeatureSet.DataTable = mFeatureSet.DataTable.Clone();
int mFeatureSetSize = mFeatureSet.Features.Count;
Utilities.ResetRndGenerator();
for (int i = 0; i < pSampleSize; i++)
{
IFeature mOldFeature = mFeatureSet.Features[Utilities.GetRndBetween(0, mFeatureSetSize)];
IFeature mNewFeature = mRndFeatureSet.AddFeature(mOldFeature.Copy());
mNewFeature.CopyAttributes(mOldFeature);
}
return(mRndFeatureSet);
}
