/// <summary>
/// 根据指定坐标系代码创建坐标系
/// </summary>
/// <param name="factoryCode">坐标系代码</param>
/// <param name="type">创建的坐标系类别</param>
/// <returns></returns>
public static ISpatialReference CreateSpatialRef(int factoryCode, ESrType type = ESrType.Projected)
{
if (type == ESrType.Geographic)
{
return(new SpatialReferenceEnvironmentClass().CreateGeographicCoordinateSystem(factoryCode));
}
if (type == ESrType.Projected)
{
return(new SpatialReferenceEnvironmentClass().CreateProjectedCoordinateSystem(factoryCode));
}
return(null);
}
/// <summary>
/// 创建与指定要素坐标系相同的坐标系
/// </summary>
/// <param name="feature">要素</param>
/// <param name="type">创建的坐标系类别</param>
/// <returns></returns>
public static ISpatialReference CreateSpatialRef(this IFeature feature, ESrType type = ESrType.Projected)
{
int factoryCode = feature.Shape.SpatialReference.FactoryCode;
return(CreateSpatialRef(factoryCode, type));
}
/// <summary>
/// 创建与指定要素类坐标系相同的坐标系
/// </summary>
/// <param name="featureClass">要素类</param>
/// <param name="type">创建的坐标系类别</param>
/// <returns></returns>
public static ISpatialReference CreateSpatialRef(this IFeatureClass featureClass, ESrType type = ESrType.Projected)
{
IField souceGeoField = featureClass.Fields.get_Field(featureClass.FindField(featureClass.ShapeFieldName));
int factoryCode = souceGeoField.GeometryDef.SpatialReference.FactoryCode;
//Console.WriteLine(factoryCode);
//Console.WriteLine(featureClass.AliasName);
//Console.WriteLine(YYGISLib.ArcGisHelper.Data.CoordinateSystem.GetCoordinateDetail(featureClass));
//Console.WriteLine(YYGISLib.ArcGisHelper.FeatureHelper.FeatureClassOpt.GetSourcePath(featureClass));
return(CreateSpatialRef(factoryCode, type));
}
