在ArcGIS中能否以编程方式绘制折线或多边形? [英] Is it possible in ArcGIS to draw a polyline or polygon programmatically?

问题描述

如果我提供了几何所需的坐标，在ArcGIS中是否可以通过编程方式绘制折线或多边形?就像折线一样，我将为折线提供两个端点.

Is it possible in ArcGIS to draw a polyline or polygon programmatically if I provide the required coordinates for the geometry? Like for a polyline, I would be providing two endpoints for the line.

推荐答案

在2D/3D中这都是可能的.最简单的方法是添加 Graphic Polyline (或任何其他几何图形)到视图的图形:

This is possible in both 2D/3D. The simplest way is adding a Graphic containing the Polyline (or any other geometry) to the view's graphics:

// Coordinates of Zurich, Switzerland
var pointA = [8.5107858, 47.3922425];

// Coordinates of Kochi, India
var pointB = [76.3333005, 10.0023473];

var polyline = new Graphic({
  geometry: {
    type: "polyline",
    spatialReference: { wkid: 4326 },
    paths: [[pointA, pointB]]
  },
  symbol: {
    type: "simple-line",
    color: "orange",
    width: 4
  }
});
view.graphics.add(polyline);

以下CodePen在3D地球上绘制了上述折线: https://codepen.io/arnofiva/pen/7ae74bb9798a01ada6d60f3d1ee5612b

The following CodePen draws the above polyline on a 3D globe: https://codepen.io/arnofiva/pen/7ae74bb9798a01ada6d60f3d1ee5612b

有关更多信息，请参见以下资源:

See the following resources for more information:

• 图形简介
• 将图形添加到SceneView
• 3D草图

• Intro into Graphics
• Add Graphics to a SceneView
• Sketch in 3D

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