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README
LGPL-3.0

vjcommon

主要是对唯杰地图常用的功能做了一定程度的封装,方便其他工程共用

如果此工程需要在其他项目中引用,可进入packages/common运行 npm run build在 html 中引入vjcommon.min.js即可,或npm install vjcommon通过import vjcommon from 'vjcommon'引入

如果是monorepo项目,可直接通过引用项目源码目录的方式进行引入

此项目源码地址:

https://github.com/vjmap/vjmap-common

用法

安装

  • vjcommon库可在 html 中引入vjcommon.min.js即可 https://vjmap.com/demo/js/vjmap/vjcommon.min.js
  • npm install vjcommon 通过 import vjcommon from 'vjcommon'引入

用法

调用常用函数

如相关绘图、CAD图编辑、选择实体等

// 选择实体
await vjcommon.selectFeatures(map, true, true, false, true);

// 修改CAD图
await vjcommon.modifyCadEntity(map, draw, updateMapStyleObj);

// 绘制文本
await vjcommon.drawText(map, draw, {}, { text: "vjmap"});

直接加载唯杰地图可视化的json数据生成地图

const config = {
    "mapSources": [
        {
            "id": "geojson_Z7cLnslC",
            "tag": "static",
            "source": {
                "type": "geojson",
                "data": {
                    "type": "FeatureCollection",
                    "features": [
                        {
                            "type": "Feature",
                            "id": 1,
                            "properties": {
                                "index": 1
                            },
                            "geometry": {
                                "type": "Point",
                                "coordinates": [
                                    587614231.5210593,
                                    3103881054.3056574
                                ]
                            }
                        },
                        {
                            "type": "Feature",
                            "id": 2,
                            "properties": {
                                "index": 2
                            },
                            "geometry": {
                                "type": "Point",
                                "coordinates": [
                                    587644226.1148031,
                                    3103918228.249017
                                ]
                            }
                        }
                    ]
                }
            },
            "props": {}
        }
    ],
    "mapLayers": [
        {
            "layerId": "marker_qigxhNnv",
            "sourceId": "geojson_Z7cLnslC",
            "memo": "",
            "type": "marker",
            "color": "#3FB1CE"
        }
    ],
    "baseMapType": "",
    "webMapTiles": [],
    "mapOpenOptions": {
        "mapid": "sys_zp",
        "version": "v2",
        "mapopenway": "GeomRender",
        "isVectorStyle": false,
        "style": {
            "backcolor": 0
        }
    },
    "mapOptions": {}
}

let mapApp =  new vjcommon.MapApp();
mapApp.mount("map");
await mapApp.setConfig(config);
// 通过mapApp.map获取地图对象

和已有的Map对象关联创建数据源和图层

如果已有map对象,MapApp可通过attachMap关联地图

let mapApp = new vjcommon.MapApp();
// 关联地图对象
mapApp.attachMap(map);
// 增加数据源
await mapApp.addSource({
    "id": "geojson_R6shwTDB",
    "tag": "static",
    "source": {
        "type": "geojson",
        "data": {
            "type": "FeatureCollection",
            "features": [
                {
                    "type": "Feature",
                    "id": 1,
                    "properties": {
                        "index": 1
                    },
                    "geometry": {
                        "type": "Point",
                        "coordinates": [
                            9945.14159398403,
                            8028.257974499531
                        ]
                    }
                },
                {
                    "type": "Feature",
                    "id": 2,
                    "properties": {
                        "index": 2
                    },
                    "geometry": {
                        "type": "Point",
                        "coordinates": [
                            14330.729692594781,
                            8912.481704534506
                        ]
                    }
                }
            ]
        }
    },
    "props": {}
}, true)

// 增加图层与数据源关联
await mapApp.addLayer( {
    "layerId": "marker_NM49tApU",
    "sourceId": "geojson_R6shwTDB",
    "memo": "",
    "type": "marker",
    "color": "#3FB1CE",
    "closeButton": true,
    "closeOnClick": true
})

// 模拟变化 数据
setTimeout(async ()=> {
    // 修改数据源,图层也会相应的变化
    await mapApp.setSourceData("geojson_R6shwTDB", {
        "type": "FeatureCollection",
        "features": [
            {
                "type": "Feature",
                "id": 1,
                "properties": {
                    "index": 1
                },
                "geometry": {
                    "type": "Point",
                    "coordinates": [
                        8629.428315643036,
                        18411.03475111672
                    ]
                }
            }
        ]
    }, true)
}, 5000)

唯杰地图介绍

唯杰地图VJMAP为用户自定义地图格式WebGIS可视化显示开发提供的一站式解决方案,支持的格式如常用的AutoCADDWG格式文件、GeoJSON等常用GIS文件格式,它使用WebGL矢量图块自定义样式呈现交互式地图, 提供了全新的大数据可视化实时流数据可视化功能,通过本产品可快速实现浏览器和移动端上美观、流畅的地图呈现与空间分析,可帮助您在网站中构建功能丰富、交互性强、可定制的地图应用。

唯杰地图特点

  • 完全兼容AutoCAD格式的DWG文件,无需转换
  • 绘图技术先进:采用WebGL技术,支持矢量地图渲染,支持栅格、图片、视频等图形渲染,支持3D模型渲染;
  • 个性化地图:服务端渲染和前端渲染都支持自定义样式表达式,灵活强大;
  • 多视角模式:支持2D、3D视角,支持垂直视角、360度旋转视角;
  • 视觉特性:支持无极缩放、支持粒子、航线等动画效果、支持飞行、平移等运动特效;
  • 功能完善:支持所有常见的地图功能,提供丰富的js接口;
  • 交互控制:支持鼠标/单指拖拽、上下左右按键进行地图平移,支持鼠标滚轮、双击、双指进行地图缩放,支持Shift+拉框放大;
  • 大数据可视化:性能卓越,支持大数据可视化展示
  • 跨平台支持(支持windows,linux); 支持docker部署;支持私有化部署;支持桌面端语言开发(如C#JavaC++语言)
  • 全面支持用第三方开源的openlayersleafletmaptalks 来加载CAD地图进行开发
  • 支持对图像格式如tiff,jpg,png等常用图像格式进行切片处理,实现几百M以上的图片前端秒开
GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. This version of the GNU Lesser General Public License incorporates the terms and conditions of version 3 of the GNU General Public License, supplemented by the additional permissions listed below. 0. Additional Definitions. As used herein, "this License" refers to version 3 of the GNU Lesser General Public License, and the "GNU GPL" refers to version 3 of the GNU General Public License. "The Library" refers to a covered work governed by this License, other than an Application or a Combined Work as defined below. An "Application" is any work that makes use of an interface provided by the Library, but which is not otherwise based on the Library. Defining a subclass of a class defined by the Library is deemed a mode of using an interface provided by the Library. A "Combined Work" is a work produced by combining or linking an Application with the Library. The particular version of the Library with which the Combined Work was made is also called the "Linked Version". The "Minimal Corresponding Source" for a Combined Work means the Corresponding Source for the Combined Work, excluding any source code for portions of the Combined Work that, considered in isolation, are based on the Application, and not on the Linked Version. The "Corresponding Application Code" for a Combined Work means the object code and/or source code for the Application, including any data and utility programs needed for reproducing the Combined Work from the Application, but excluding the System Libraries of the Combined Work. 1. Exception to Section 3 of the GNU GPL. You may convey a covered work under sections 3 and 4 of this License without being bound by section 3 of the GNU GPL. 2. Conveying Modified Versions. If you modify a copy of the Library, and, in your modifications, a facility refers to a function or data to be supplied by an Application that uses the facility (other than as an argument passed when the facility is invoked), then you may convey a copy of the modified version: a) under this License, provided that you make a good faith effort to ensure that, in the event an Application does not supply the function or data, the facility still operates, and performs whatever part of its purpose remains meaningful, or b) under the GNU GPL, with none of the additional permissions of this License applicable to that copy. 3. Object Code Incorporating Material from Library Header Files. The object code form of an Application may incorporate material from a header file that is part of the Library. You may convey such object code under terms of your choice, provided that, if the incorporated material is not limited to numerical parameters, data structure layouts and accessors, or small macros, inline functions and templates (ten or fewer lines in length), you do both of the following: a) Give prominent notice with each copy of the object code that the Library is used in it and that the Library and its use are covered by this License. b) Accompany the object code with a copy of the GNU GPL and this license document. 4. Combined Works. 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A suitable mechanism is one that (a) uses at run time a copy of the Library already present on the user's computer system, and (b) will operate properly with a modified version of the Library that is interface-compatible with the Linked Version. e) Provide Installation Information, but only if you would otherwise be required to provide such information under section 6 of the GNU GPL, and only to the extent that such information is necessary to install and execute a modified version of the Combined Work produced by recombining or relinking the Application with a modified version of the Linked Version. (If you use option 4d0, the Installation Information must accompany the Minimal Corresponding Source and Corresponding Application Code. If you use option 4d1, you must provide the Installation Information in the manner specified by section 6 of the GNU GPL for conveying Corresponding Source.) 5. Combined Libraries. 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简介

主要是对唯杰地图常用的功能做了一定程度的封装,方便其他工程共用。唯杰地图VJMAP为用户自定义地图格式WebGIS可视化显示开发提供的一站式解决方案,支持的格式如常用的AutoCAD的DWG格式文件、GeoJSON等常用GIS文件格式。 展开 收起
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