public IFeatureSet Intersection(bool selectedOnlyOfThis, IFeatureSet featureSet, bool selectedOnly, GeometryType geometryType)
{
var sf = featureSet.GetInternal();
var shpType = GeometryHelper.GeometryType2ShpType(geometryType);
var result = _shapefile.GetIntersection(selectedOnlyOfThis, sf, selectedOnly, shpType);
return(WrapShapefile(result));
}
/// <summary>
/// Clips the rectangular shaped minor grid lines to the selected major grids whose shape may not be a 4 sided polygon
/// </summary>
/// <param name="clippingShapefile"></param>
/// <returns></returns>
public bool ClipMinorGrid(Shapefile clippingShapefile)
{
_shapefileMinorGridLines = clippingShapefile.GetIntersection(false, _shapefileMinorGridLines, false, ShpfileType.SHP_POLYLINE);
//When we clip a shapefile and the result is the same shapefile, the shapeID field is duplicated.
//The original ID field is renamed to MWShapeI_1.
//We delete the duplicate and rename MWShapeI_1 to MWShapeID.
_shapefileMinorGridLines.EditDeleteField(0, null);
_shapefileMinorGridLines.Field[0].Name = "MWShapeID";
return(_shapefileMinorGridLines.NumShapes > 0);
}
