使用ArcGIS绘图工具
使用ArcGIS绘图工具
提问于 2017-05-26 17:03:57
我正在发现绘图工具 of ArcGIS。部件的代码如下所示：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width,user-scalable=no">
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">
<title>Maps Toolbar</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.20/dijit/themes/nihilo/nihilo.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.20/esri/css/esri.css">
<style>
html, body, #mainWindow {
font-family: sans-serif;
height: 100%;
width: 100%;
}
html, body {
margin: 0;
padding: 0;
}
#header {
height: 80px;
overflow: auto;
padding: 0.5em;
}
</style>
<script src="https://js.arcgis.com/3.20/"></script>
<script>
var map, toolbar, symbol, geomTask;
require([
"esri/map",
"esri/toolbars/draw",
"esri/graphic",
"esri/symbols/SimpleMarkerSymbol",
"esri/symbols/SimpleLineSymbol",
"esri/symbols/SimpleFillSymbol",
"dojo/parser", "dijit/registry",
"dijit/layout/BorderContainer", "dijit/layout/ContentPane",
"dijit/form/Button", "dijit/WidgetSet", "dojo/domReady!"
], function(
Map, Draw, Graphic,
SimpleMarkerSymbol, SimpleLineSymbol, SimpleFillSymbol,
parser, registry
) {
parser.parse();
map = new Map("map", {
basemap: "streets",
center: [-15.469, 36.428],
zoom: 3
});
map.on("load", createToolbar);
// loop through all dijits, connect onClick event
// listeners for buttons to activate drawing tools
registry.forEach(function(d) {
// d is a reference to a dijit
// could be a layout container or a button
if ( d.declaredClass === "dijit.form.Button" ) {
d.on("click", activateTool);
}
});
function activateTool() {
var tool = this.label.toUpperCase().replace(/ /g, "_");
toolbar.activate(Draw[tool]);
map.hideZoomSlider();
}
function createToolbar(themap) {
toolbar = new Draw(map);
toolbar.on("draw-end", addToMap);
}
function addToMap(evt) {
var symbol;
toolbar.deactivate();
map.showZoomSlider();
switch (evt.geometry.type) {
case "point":
case "multipoint":
symbol = new SimpleMarkerSymbol();
break;
case "polyline":
symbol = new SimpleLineSymbol();
break;
default:
symbol = new SimpleFillSymbol();
break;
}
var graphic = new Graphic(evt.geometry, symbol);
map.graphics.add(graphic);
}
});
</script>
</head>
<body class="nihilo">
<div id="mainWindow" data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline'">
<div id="header" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'">
<span>Draw:<br /></span>
<button data-dojo-type="dijit/form/Button">Point</button>
<button data-dojo-type="dijit/form/Button">Multi Point</button>
<button data-dojo-type="dijit/form/Button">Line</button>
<button data-dojo-type="dijit/form/Button">Polyline</button>
<button data-dojo-type="dijit/form/Button">Polygon</button>
<button data-dojo-type="dijit/form/Button">Freehand Polyline</button>
<button data-dojo-type="dijit/form/Button">Freehand Polygon</button>
<button data-dojo-type="dijit/form/Button">Arrow</button>
<button data-dojo-type="dijit/form/Button">Triangle</button>
<button data-dojo-type="dijit/form/Button">Circle</button>
<button data-dojo-type="dijit/form/Button">Ellipse</button>
</div>
<div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'"></div>
</div>
</body>
</html>我对ArcGIS非常陌生，所以我的问题可能很简单。我想知道是否有可能用其他图像来替代背景地图，例如，代表建筑物中一层楼的图层？我有这张图像的JPEG格式，它有全局坐标分配给它。那么，我如何用这张图像来代替地图呢？我应该更新这些代码行吗？
map = new Map("map", {
basemap: "streets",
center: [-15.469, 36.428],
zoom: 3
});回答 1
Stack Overflow用户
回答已采纳
发布于 2017-05-28 06:08:09
在地理信息系统术语中，这些背景图像被称为基本地图。ARCGIS js提供了多个基本地图，如拓扑、街道、图像等。
要更改背景/ basemap，您需要更改basemap关键字。
示例-
将“街道”改为“拓扑图”。它将改变基本地图/背景。
注意-您可以尝试各种类型的basemaps，这是在arcgis上提供的。
EDITED30/May/2017-
这里，我建议您使用ESRI提供的现有basemap，但是如果您想将自己的图像显示为backgroud/basemap，则需要发布/重新发布basemap。
希望这能帮到你。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/44206792
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