大地坐标转北京54

时间：2013-4-16    作者：悬浮的青春    分类： 无

public static void bj54tojingweiduAo(IActiveView pActiveView, double inx, double iny, ref string outx, ref string outy)   
{  
       try   
       {  
        IMap pMap = pActiveView.FocusMap;   
        SpatialReferenceEnvironment pSpRE = new SpatialReferenceEnvironment();   
        IGeographicCoordinateSystem  pGeoCS  = 

        pSpRE.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_Beijing1954);   
        ISpatialReference pSpr = pGeoCS;  
        IPoint pPoint = new ESRI.ArcGIS.Geometry.Point();   
        pPoint.X = inx;  
        pPoint.Y = iny;  
        IGeometry pGeo = pPoint;  
        pGeo.SpatialReference = pMap.SpatialReference;  
        pGeo.Project(pSpr);//坐标转换，由当前地图坐标转为北京54 经纬度坐标  
        double jwd_jd = pPoint.X;  
        double jwd_wd = pPoint.Y;  
        //转化成度、分、秒  
        //经度  
        int Jd, Wd, Jf, Wf;   
        double temp;  
        Single Jm, Wm;   
        Jd = (int)jwd_jd; //度  
        temp = (jwd_jd - Jd) * 60;   
        Jf = (int)temp; //分  
        temp = (temp - Jf) * 60;   
        Jm = Convert.ToInt32(temp); //秒  
        //纬度  
        Wd = (int)jwd_wd; //度  
        temp = (jwd_wd - Wd) * 60;   
        Wf = (int)temp; //分   
        temp = (temp - Wf) * 60;   
        Wm = Convert.ToInt32(temp); //秒  
        outx = Jd + "度" + Jf + "分" + Jm + "秒";  
        outy = Wd + "度" + Wf + "分" + Wm + "秒";   
    }  
    catch (Exception ex)  
    {  
        MessageBox.Show(ex.Message);   
    }  

标签: arcgis二次开发

WRITTEN BY

avatar

推荐阅读：


热门文章

日历

最新评论

链接