arcgis道路接边代码

以下是 ArcGIS 中道路接边的代码示例，可以根据需要进行修改:

import arcpy

# 设置工作空间
arcpy.env.workspace = r"C:\data.gdb"

# 输入道路图层
input_layer = "roads"

# 输出图层
output_layer = "roads_buffer"

# 缓冲距离
buffer_distance = "10 meters"

# 执行缓冲
arcpy.Buffer_analysis(input_layer, output_layer, buffer_distance)

# 接边
arcpy.Snap_edit(input_layer, [[output_layer, "EDGE", "10 meters"]])

上述代码中，首先设置工作空间，然后指定输入道路图层和输出图层，以及缓冲距离。接着调用 `Buffer_analysis` 函数进行缓冲，最后调用 `Snap_edit` 函数进行道路接边。其中，`Snap_edit` 函数接受一个列表作为参数，列表中的每一项表示一个参考图层，以及与参考图层接边的距离。在这个例子中，我们将道路图层与缓冲后的图层进行接边，距离为10米。

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arcgis engine道路接边代码

以下是 ArcGIS Engine 中道路接边的示例代码：

private void OnCreateNewLine(IEngineEditor editor, IGeometry geometry)
{
    //获取当前编辑图层的FeatureClass
    IFeatureClass featureClass = editor.TargetLayer.FeatureClass;
    //创建新的Feature
    IFeature newFeature = featureClass.CreateFeature();
    //设置新Feature的形状
    newFeature.Shape = geometry;
    //设置新Feature的属性
    newFeature.set_Value(newFeature.Fields.FindField("Name"), "New Road");
    //插入新Feature
    newFeature.Store();

    //获取编辑器的EditSketch对象
    IEngineEditSketch editSketch = editor as IEngineEditSketch;
    //获取当前编辑的线
    IPolyline polyline = editSketch.Geometry as IPolyline;
    //获取当前编辑线的起点和终点
    IPoint startPt = polyline.FromPoint;
    IPoint endPt = polyline.ToPoint;

    //创建缓冲区
    ITopologicalOperator topoOp = geometry as ITopologicalOperator;
    IGeometry buffer = topoOp.Buffer(10);

    //创建查询过滤器
    ISpatialFilter spatialFilter = new SpatialFilterClass();
    spatialFilter.Geometry = buffer;
    spatialFilter.GeometryField = featureClass.ShapeFieldName;
    spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;

    //查询相交的Feature
    IFeatureCursor featureCursor = featureClass.Search(spatialFilter, false);
    IFeature intersectFeature = featureCursor.NextFeature();

    while (intersectFeature != null)
    {
        //获取相交Feature的形状
        IGeometry intersectGeometry = intersectFeature.ShapeCopy;
        //获取相交Feature的顶点
        IPointCollection pointCollection = intersectGeometry as IPointCollection;
        for (int i = 0; i < pointCollection.PointCount; i++)
        {
            IPoint point = pointCollection.get_Point(i);
            //判断相交点是否在编辑线的起点和终点之间
            if (point.X >= Math.Min(startPt.X, endPt.X) && point.X <= Math.Max(startPt.X, endPt.X) &&
                point.Y >= Math.Min(startPt.Y, endPt.Y) && point.Y <= Math.Max(startPt.Y, endPt.Y))
            {
                //创建新的Feature
                IFeature newIntersectFeature = featureClass.CreateFeature();
                //设置新Feature的形状
                newIntersectFeature.Shape = point;
                //设置新Feature的属性
                newIntersectFeature.set_Value(newIntersectFeature.Fields.FindField("Name"), "Intersection");
                //插入新Feature
                newIntersectFeature.Store();
            }
        }
        intersectFeature = featureCursor.NextFeature();
    }
}

该代码演示了如何在道路编辑时，自动创建相交点 Feature，并将其插入到编辑图层中。其中，缓冲区大小通过 `topoOp.Buffer(10)` 设置为 10 个单位。您可以根据实际需求进行调整。

arcgis engine 道路接边的代码

实现道路接边的方法有很多种，这里提供其中一种思路和代码示例：

1. 获取道路线要素的几何对象 Geometry
2. 根据要素几何对象 Geometry 获取其两侧的点集合
3. 根据两侧点集合计算道路边缘的点集合
4. 根据点集合生成道路边缘的线要素，并添加到图层中

以下是示例代码：

//获取道路线要素的几何对象
IFeature roadFeature = ...;
IGeometry roadGeometry = roadFeature.ShapeCopy;

//获取道路线要素两侧的点集合
IPointCollection leftPoints = new PolylineClass();
IPointCollection rightPoints = new PolylineClass();
GetSidePoints(roadGeometry as IPolyline, 5, ref leftPoints, ref rightPoints); //这里以5米为例，获取道路左右两侧5米内的点集合

//计算道路边缘的点集合
IPointCollection edgePoints = new PolylineClass();
CalculateEdgePoints(leftPoints, rightPoints, 1, ref edgePoints); //这里以1米为例，计算道路边缘每1米的点集合

//生成道路边缘的线要素，并添加到图层中
IFeatureClass edgeFeatureClass = ...; //道路边缘线要素类
ILineSymbol edgeSymbol = ...; //道路边缘线符号
IFeature edgeFeature = edgeFeatureClass.CreateFeature();
IPolyline edgePolyline = new PolylineClass();
for (int i = 0; i < edgePoints.PointCount - 1; i++)
{
    edgePolyline.FromPoint = edgePoints.get_Point(i);
    edgePolyline.ToPoint = edgePoints.get_Point(i + 1);
    edgeFeature.Shape = edgePolyline;
    edgeFeature.Store();
    DrawLine(edgePolyline, edgeSymbol); //绘制道路边缘线
}

其中，GetSidePoints() 方法用于获取道路线要素两侧的点集合，CalculateEdgePoints() 方法用于计算道路边缘的点集合，DrawLine() 方法用于绘制道路边缘线。这些方法需要根据实际需求进行实现。