using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Geodatabase;
namespace CHN.gzGISer.ArcEngine
{
public class CoordinateTransformation
{
public CoordinateTransformation()
{
}
/// <summary>
/// 投影坐标系转WGS84地理坐标系
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
public static IPoint ProjectToWGS84(IPoint point)
{
ISpatialReferenceFactory pSpatialReferenceFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference pSpatialReference = pSpatialReferenceFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);
point.Project(pSpatialReference);
return point;
}
/// <summary>
/// 投影坐标系转2000坐标系
/// </summary>
/// <param name="point"></param>
/// <param name="path">2000坐标prj文件</param>
/// <returns></returns>
public static IPoint ProjectToCGCS2000(IPoint point, string path)
{
ISpatialReferenceFactory pSpatialReferenceFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference pSpatialReference = pSpatialReferenceFactory.CreateESRISpatialReferenceFromPRJFile(path);
point.Project(pSpatialReference);
return point;
}
/// <summary>
/// WGS84投影至其他
/// </summary>
/// <param name="point"></param>
/// <param name="pSpatialReference"></param>
/// <returns></returns>
public static IPoint Geo_WGS84ToOtherProject(IPoint point, ISpatialReference pSpatialReference)
{
point.Project(pSpatialReference);
return point;
}
}
}
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转载自blog.csdn.net/RicardoMTan/article/details/91433198
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