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  • The Geometry has no Z values 解决办法

    from:http://dufan20086.blog.163.com/blog/static/6616452320145269343675/

    我们在创建要素时,简单的IFeatureClass.CreateFeature之后,然后把IGeometry对象赋给Feature.shape,会引发“The Geometry has no Z values”的错误提示。类似的错误在做地图标注过程中也会出现。

    本文所采用的解决办法参考了网上的一些资料:
    http://blog.sina.com.cn/s/blog_6faf711d010138vq.html
    http://hi.baidu.com/luoyuonline/item/2994bafc08e10f0dd99e7256
    基本思路就是在CreateFeature之后,设置Z值(顺带将M值也一并设置)。
    /// <summary>
            /// 设置Z值和M值,解决The Geometry has no Z values错误
            /// </summary>
            /// <param name="pF">要素</param>
            /// <param name="pGeo">几何</param>
            public static void SetZValue(IFeature pF, IGeometry pGeo)
            {
                int index;
                index = pF.Fields.FindField("Shape");
                IGeometryDef pGeometryDef;
                pGeometryDef = pF.Fields.get_Field(index).GeometryDef as IGeometryDef;
                if (pGeometryDef.HasZ)
                {
                    IZAware pZAware = (IZAware)pGeo;
                    pZAware.ZAware = true;
                    //IZ iz1 = (IZ)pGeo;
                    //iz1.SetConstantZ(0);  //将Z值设置为0
    //在ArcEngine10.2中用下面的两行代码来设置
                    IPoint point = (IPoint)pGeo;
                    point.Z = 0;
                }
                else
                {
                    IZAware pZAware = (IZAware)pGeo;
                    pZAware.ZAware = false;
                }
                //M值
                if (pGeometryDef.HasM)
                {
                    IMAware pMAware = (IMAware)pGeo;
                    pMAware.MAware = true;
                }
                else
                {
                    IMAware pMAware = (IMAware)pGeo;
                    pMAware.MAware = false;
                }
            }//function
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  • 原文地址:https://www.cnblogs.com/94cool/p/4323136.html
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