/// <summary>
/// Checks a Feature object for errors in its Geometry. E.g. self intersection.
/// </summary>
/// <param name="feature">The feature.</param>
/// <returns>Validation result.</returns>
public GeometryValidationResult ValidateFeatureGeometry(Feature feature)
{
GeometryValidationResult result = new GeometryValidationResult();
GeometryConversionTool geometryConversionTool = new GeometryConversionTool();
List <SqlGeometry> sqlGeometries = geometryConversionTool.FeatureGeometryToSqlGeometries(feature);
if (sqlGeometries.Any())
{
foreach (SqlGeometry sqlGeometry in sqlGeometries)
{
result = ValidateGeometry(sqlGeometry);
if (!result.IsValid)
{
return(result);
}
}
return(result);
}
return(new GeometryValidationResult
{
IsValid = true,
StatusCode = (int)GeometryValidationStatusId.Valid,
GeometryValidationStatusId = GeometryValidationStatusId.Valid
});
}
/// <summary>
/// Checks a Polygon object for errors. E.g. self intersection.
/// </summary>
/// <param name="polygon">The polygon.</param>
/// <returns>Validation result.</returns>
public GeometryValidationResult ValidateGeometry(IPolygon polygon)
{
GeometryConversionTool geometryConversionTool = new GeometryConversionTool();
SqlGeometry sqlGeometry = geometryConversionTool.PolygonToSqlGeometry(polygon);
return(ValidateGeometry(sqlGeometry));
}
public void ValidateGeometry_WhenConvertedInvalidPolygon_ThenInvalidResult()
{
Polygon pol = GetInvalidPolygon();
GeometryConversionTool geometryConversionTool = new GeometryConversionTool();
SqlGeometry polygon = geometryConversionTool.PolygonToSqlGeometry(pol);
GeometryTools geometryTools = new GeometryTools();
GeometryValidationResult result = geometryTools.ValidateGeometry(polygon);
Assert.IsFalse(result.IsValid);
Assert.AreEqual(24404, result.StatusCode);
Assert.AreEqual(GeometryValidationStatusId.NotValidBecausePolygonRingIntersectsItself, result.GeometryValidationStatusId);
Assert.AreEqual("Not valid because polygon ring (1) intersects itself or some other ring.", result.Description);
}
