AE实现缓冲区（主要接口：ITopologicalOperator）

blog12138

于 2020-09-02 16:51:23 发布

阅读量759

点赞数

分类专栏： AE 文章标签： java 接口 mybatis 安卓 c#

本文链接：https://blog.youkuaiyun.com/Zzzpiu/article/details/109199699

版权

AE 专栏收录该内容

14 篇文章

订阅专栏

private void button1_Click(object sender, EventArgs e)
        {
            //用于将element添加到地图中。
            IGraphicsContainer graphicsContainer = axMapControl1.Map as IGraphicsContainer;

            IFeatureLayer lyr = axMapControl1.Map.get_Layer(0) as IFeatureLayer;
            IFeatureCursor fc = lyr.FeatureClass.Search(null,true);
            IFeature fea = fc.NextFeature();
            IActiveView v = axMapControl1.Map as IActiveView;

            while (fea != null)
            {
                //fea.ShapeCopy返回的是一个IGeometry类型的接口
                ITopologicalOperator op = fea.ShapeCopy as ITopologicalOperator;
                IGeometry bufferresult = op.Buffer(2000);
                IElement ele = new PolygonElementClass();
                //添加到图中显示
                ele.Geometry = bufferresult;
                graphicsContainer.AddElement(ele, 0);
                v.Refresh();
                fea = fc.NextFeature();
            }
        }