OpenLayers修改要素

<!DOCTYPE html>

<html>

  <head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">

    <meta name="apple-mobile-web-app-capable" content="yes">

    <title>修改要素</title>

    <link rel="stylesheet" href="./OpenLayers-2.12/theme/default/style.css" type="text/css" />

    <script src="./OpenLayers-2.12/lib/OpenLayers.js"></script>

    <link rel="stylesheet" href="./css/style.css" type="text/css">

    <style type="text/css">

        #controls {

            width: 612px;

        }

        #controlToggle {

            padding-left: 1em;

        }

        #controlToggle li {

            list-style: none;

        }

    </style>

    <script type="text/javascript">

        var map, vectors, controls;

        function init(){

            map = new OpenLayers.Map('map');

            var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",

                "http://vmap0.tiles.osgeo.org/wms/vmap0?", {layers: 'basic'});

            OpenLayers.Feature.Vector.style['default']['strokeWidth'] = '2';

            // allow testing of specific renderers via "?renderer=Canvas", etc

            var renderer = OpenLayers.Util.getParameters(window.location.href).renderer;

            renderer = (renderer) ? [renderer] : OpenLayers.Layer.Vector.prototype.renderers;

            vectors = new OpenLayers.Layer.Vector("Vector Layer", {

                renderers: renderer

            });

            map.addLayers([wms, vectors]);

            map.addControl(new OpenLayers.Control.LayerSwitcher());

            map.addControl(new OpenLayers.Control.MousePosition());

            if (console && console.log) {

                function report(event) {

                    console.log(event.type, event.feature ? event.feature.id : event.components);

                }

                vectors.events.on({

                    "beforefeaturemodified": report,

                    "featuremodified": report,

                    "afterfeaturemodified": report,

                    "vertexmodified": report,

                    "sketchmodified": report,

                    "sketchstarted": report,

                    "sketchcomplete": report

                });

            }

            controls = {

                point: new OpenLayers.Control.DrawFeature(vectors,

                            OpenLayers.Handler.Point),

                line: new OpenLayers.Control.DrawFeature(vectors,

                            OpenLayers.Handler.Path),

                polygon: new OpenLayers.Control.DrawFeature(vectors,

                            OpenLayers.Handler.Polygon),

                regular: new OpenLayers.Control.DrawFeature(vectors,

                            OpenLayers.Handler.RegularPolygon,

                            {handlerOptions: {sides: 5}}),

                modify: new OpenLayers.Control.ModifyFeature(vectors)

            };

            for(var key in controls) {

                map.addControl(controls[key]);

            }

            map.setCenter(new OpenLayers.LonLat(0, 0), 3);

            document.getElementById('noneToggle').checked = true;

        }

        function update() {

            // reset modification mode

            controls.modify.mode = OpenLayers.Control.ModifyFeature.RESHAPE;

            var rotate = document.getElementById("rotate").checked;

            if(rotate) {

                controls.modify.mode |= OpenLayers.Control.ModifyFeature.ROTATE;

            }

            var resize = document.getElementById("resize").checked;

            if(resize) {

                controls.modify.mode |= OpenLayers.Control.ModifyFeature.RESIZE;

                var keepAspectRatio = document.getElementById("keepAspectRatio").checked;

                if (keepAspectRatio) {

                    controls.modify.mode &= ~OpenLayers.Control.ModifyFeature.RESHAPE;

                }

            }

            var drag = document.getElementById("drag").checked;

            if(drag) {

                controls.modify.mode |= OpenLayers.Control.ModifyFeature.DRAG;

            }

            if (rotate || drag) {

                controls.modify.mode &= ~OpenLayers.Control.ModifyFeature.RESHAPE;

            }

            controls.modify.createVertices = document.getElementById("createVertices").checked;

            var sides = parseInt(document.getElementById("sides").value);

            sides = Math.max(3, isNaN(sides) ? 0 : sides);

            controls.regular.handler.sides = sides;

            var irregular =  document.getElementById("irregular").checked;

            controls.regular.handler.irregular = irregular;

        }

        function toggleControl(element) {

            for(key in controls) {

                var control = controls[key];

                if(element.value == key && element.checked) {

                    control.activate();

                } else {

                    control.deactivate();

                }

            }

        }

    </script>

  </head>

  <body onload="init()">

    <div id="map" class="smallmap"></div>

    <div id="controls">

        <ul id="controlToggle">

                <input type="radio" name="type" value="none" id="noneToggle"

                       onclick="toggleControl(this);" checked="checked" />

                <label for="noneToggle">导航</label>

                <input type="radio" name="type" value="point" id="pointToggle" onclick="toggleControl(this);" />

                <label for="pointToggle">画点</label>

                <input type="radio" name="type" value="line" id="lineToggle" onclick="toggleControl(this);" />

                <label for="lineToggle">画线</label>

                <input type="radio" name="type" value="polygon" id="polygonToggle" onclick="toggleControl(this);" />

                <label for="polygonToggle">画多边形</label>

                <input type="radio" name="type" value="regular" id="regularToggle" onclick="toggleControl(this);" />

                <label for="regularToggle">画规则多边形</label>

                <label for="sides"> - 边</label>

                <input id="sides" type="text" size="2" maxlength="2"

                       name="sides" value="5" onchange="update()" />

                        <input id="irregular" type="checkbox"

                               name="irregular" onchange="update()" />

                        <label for="irregular">不规则</label>

            </li>

            <li>

                <input type="radio" name="type" value="modify" id="modifyToggle"

                       onclick="toggleControl(this);" />

                <label for="modifyToggle">修改功能</label>

                <ul>

                        <input id="createVertices" type="checkbox" checked

                               name="createVertices" onchange="update()" />

                        <label for="createVertices">允许创建顶点</label>

                        <input id="rotate" type="checkbox"

                               name="rotate" onchange="update()" />

                        <label for="rotate">允许旋转</label>

                        <input id="resize" type="checkbox"

                               name="resize" onchange="update()" />

                        <label for="resize">允许调整大小</label>

                        (<input id="keepAspectRatio" type="checkbox"

                               name="keepAspectRatio" onchange="update()" checked="checked" />

                        <label for="keepAspectRatio">保持宽高比例</label>)

                        <input id="drag" type="checkbox"

                               name="drag" onchange="update()" />

                        <label for="drag">允许拖动</label>

                </ul>

            </li>

        </ul>

    </div>

  </body>

</html>

OpenLayers修改要素的更多相关文章

ArcMap10.1修改要素属性字段
ArcMap10.1修改要素属性字段问题描述:在ArcMap10.1中编辑要素属性表时,遇到输入字段值的长度超过字段最大长度时,ArcMap会抛出“基础DBMS错误[ORA-12899:value ...
Openlayers修改矢量要素并且可捕捉
<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content= ...
Openlayers修改矢量要素
将以下代码放到demo下examples中即可运行 <!DOCTYPE html><html> <head> <meta http-equiv="C ...
ArcGIS Server 10.2 实战（二）动态修改要素数据的地理处理服务
上一篇<ArcGIS Server 10.2 实战(一)Asp.net MVC与JSON数据妙用实现动态生成要素图层>介绍了如何用JSON转要素的地理处理服务,实现了动态创建点要素并加载到 ...
IClassSchemaEdit修改要素类信息
private void ChangeFeatureClassAliasName(IFeatureClass pFeatureClass, string aliasName) { ISchemaLoc ...
openLayers 3知识回顾
openlayers 知识前段时间帮助同事重构一个地图类的项目,然后就学习了openLayer3这个框架,但是官网上没有中文版,也没有详细的例子解释,我只能遇到看不懂的就翻译成中文来用,为了方便以后 ...
OpenLayers 3 入门教程
OpenLayers 3 入门教程摘要OpenLayers 3对OpenLayers网络地图库进行了根本的重新设计.版本2虽然被广泛使用,但从JavaScript开发的早期发展阶段开始,已日益现实出它 ...
openlayers中的自定制工具栏，包含画点、线、面
先是在projectquantan-master这个项目中有一个EditingPanel这个工具条,也挺好的,功能挺全的,但是有一点就是只有画多边形的一个按钮,没有point和path俩个的,所以就想 ...
arcgis 要素服务增删改查
两种方式: 第一种要素服务的增删改操作,在ArcGIS API for JS中给我们提供了三个类用于要素的增Add,删Delete,改Update 添加draw和要素服务 //用于操作的要素图层,注 ...

随机推荐

[JZOJ4639] 【NOIP2016提高组A组7.16】Angel Beats!
题目描述题目大意给你一棵树,每次询问两个点,求出这两个点的子树的重心到其中每个点的距离和. 重心的定义是到其中每个点距离和最小的点(不一定在两棵子树内) 思考历程想想以前我是怎么求重心的呢-- ...
COGS 2479. [HZOI 2016] 偏序 (CDQ套CDQ)
传送门解题思路四维偏序问题,模仿三维偏序,第一维排序,第二维CDQ,最后剩下二元组,发现没办法处理,就继续嵌套CDQ分治.首先把二元组的左右两边分别打上不同的标记,因为统计答案时只统计左边对右边的 ...
vue如何关闭sourceMap
Vue打包后出现一些map文件的解决办法: 问题: 可能很多人在做vue项目打包,打包之后js中,会自动生成一些map文件,那我们怎么把它去掉不要呢? 1,运行 cnpm run build 开始 ...
菜鸟nginx源码剖析数据结构篇（七）哈希表 ngx_hash_t（下）[转]
菜鸟nginx源码剖析数据结构篇(七) 哈希表 ngx_hash_t(下) Author:Echo Chen(陈斌) Email:chenb19870707@gmail.com Blog:Blog.c ...
PAT甲级——A1009 Product of Polynomials
This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: Each ...
Neo4j删除节点和关系、彻底删除节点标签名
https://www.jianshu.com/p/59bd829de0de 总结提前: [1]先删关系,再删节点 [2]当记不得关系名时,type(r)可以查到关系名 [3]彻底删除节点标签名,需要 ...
Apache ActiveMQ教程
一.特性及优势 1.实现JMS1.1规范,支持J2EE1.4以上 2.可运行于任何jvm和大部分web容器(ActiveMQ works great in any JVM) 3.支持多种语言客户端(j ...
springboot 2 修改端口号
springboot 废弃了EmbeddedServletContainerCustomizer ,修改端口,从官方文档上看到的方法, 1 import org.springframework.boo ...
AutoMapper简介
先说说DTO DTO是个什么东东? DTO(Data Transfer Object)就是数据传输对象,说白了就是一个对象,只不过里边全是数据而已. 为什么要用DTO? 1.DTO更注重数据,对领域对 ...
Linux 修改环境变量，重定向
1.Linux下更改(当前用户)环境变量:在terminal下输入vim ~/.profile进入后,在最后一行添加PATH="-----------------:$PATH",添 ...

OpenLayers修改要素

OpenLayers修改要素的更多相关文章

随机推荐

热门专题