Brain,
You need to specify the buffers spatial reference (line 17, 44, 67):
define([
'dojo/_base/declare',
'jimu/BaseWidget',
'dijit/_WidgetsInTemplateMixin',
"dojo/dom",
"dojo/_base/array",
"dojo/parser",
"dojo/query",
"dojo/on",
"dojo/_base/lang",
"esri/Color",
"esri/config",
"esri/map",
"esri/graphic",
"esri/geometry/normalizeUtils",
"esri/tasks/GeometryService",
"esri/SpatialReference",
"esri/tasks/BufferParameters",
"jimu/dijit/DrawBox",
"esri/symbols/SimpleMarkerSymbol",
"esri/symbols/SimpleLineSymbol",
"esri/symbols/SimpleFillSymbol",
"dijit/layout/BorderContainer",
"dijit/layout/ContentPane",
"dijit/form/Button",
"dojo/domReady!"
],
function(
declare,
BaseWidget,
_WidgetsInTemplateMixin,
dom,
array,
parser,
query,
on,
lang,
Color,
esriConfig,
Map,
Graphic,
normalizeUtils,
GeometryService,
SpatialReference,
BufferParameters,
DrawBox,
SimpleMarkerSymbol,
SimpleLineSymbol,
SimpleFillSymbol
) {
.....
createCOTBuffers: function(evtObj) {
this.drawBox.deactivate();
var geometry = evtObj.geometry,
symbol;
symbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.STYLE_SQUARE, 10, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new Color([255, 0, 0]), 1), new Color([0, 255, 0, 0.25]));
var graphic = new Graphic(geometry, symbol);
this.map.graphics.add(graphic);
this.drawBox.clear();
var params = new BufferParameters();
params.distances = [this.firstDistance.value, this.secondDistance.value];
params.outSpatialReference = this.map.spatialReference;
params.unit = GeometryService[this.unit.value];
params.bufferSpatialReference = new SpatialReference({wkid: 102003})
normalizeUtils.normalizeCentralMeridian([geometry]).then(lang.hitch(this, function(normalizedGeometries) {
var normalizedGeometry = normalizedGeometries[0];
params.geometries = [normalizedGeometry];
esriConfig.defaults.geometryService.buffer(params, lang.hitch(this, this.showCOTBuffers));
}));
},