topic Re: get coordinates of the polygon in ArcGIS JavaScript Maps SDK Questions

get coordinates of the polygon

GeorgeCastell — Tue, 20 Sep 2016 20:39:49 GMT

Hello,

I am new to using ArcGIS API, I need your help. someone can help me, I'm doing a project where the user draws a polygon and need to capture the coordinates of the polygon drawn.

I am leading this example
https://developers.arcgis.com/javascript/3/jssamples/util_label_point.html

Thank you...

Re: get coordinates of the polygon

EvelynHernandez — Sun, 12 Dec 2021 00:02:50 GMT

I think here u can get them: 
function addToMap(evtObj) {
      map.graphics.clear();
      var geometry = evtObj.geometry;
      // add the drawn graphic to the map
      var symbol = new SimpleFillSymbol(
        SimpleFillSymbol.STYLE_SOLID,
        new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new Color([0, 0, 0]), 2),
        new Color([0, 0, 255, 0.5]));
      var graphic = new Graphic(geometry, symbol);

 // u will have the geometry itself so u can get the coords for the polygon drawn but u need to use a for loop to get them all.
       console.log(geometry.rings);  //<-- array of coords.


      map.graphics.add(graphic);

      // simplify polygon so it can be used in the get label points request
      geometryService.simplify([geometry], getLabelPoints);
    }

Re: get coordinates of the polygon

GeorgeCastell — Tue, 20 Sep 2016 21:20:37 GMT

Thank you very much, I'll try.