孙军 2011.4.2

认识OGC标准

寻找兼容OGC标准的GIS客户端

开发GIS功能

WMS(获取地图图片) WFS(获取地理要素数据)

OpenScales◦ Flex◦ Support different kinds of layers◦ OGC protocols : WMS/WMS-C 1.1.1, WFS 1.0,

GetCapabilities support◦ Drawing◦ Vector rendering◦ Popup support

Changes between 1.1.x and 1.2◦ Flex4 support, Upgrade Player requirements from

Flash 9 to Flash 10◦ Lot of API improvements

读取ArcGIS切片◦ 瓦片XYZ算法◦ 实现ArcGIS Flex API ArcGISTiledMapServiceLayer

叠加ArcGIS WMS◦ 实现ArcGIS Flex API ArcGISDynamicMapServiceLayer

叠加ArcGIS WFS◦ 获取图层中的要素信息, 通过客户端绘制出地理图形

添加要素到临时图层◦ FeatureLayer◦ WKT

基础空间分析◦ 后端Java服务◦ JTS◦ union

通过WFS Filter Encoding来过滤数据◦ Filter Encoding XML◦ GML