zhyiwww
用平实的笔,记录编程路上的点点滴滴………
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[1]把shp数据导入到postgres(postgis)
[2]road.map文件内容如下

# Map file generated by QGIS version 0.7.4
# Edit this file to customize for your interface
# Not all sections are complete. See comments for details.
NAME road
STATUS ON

# Map image size. Change size as desired
SIZE 256 256
#
# Start of web interface definition. Only the TEMPLATE parameter
# must be specified to display a map. See Mapserver documentation
#
WEB
  # HEADER
  # TEMPLATE
  # FOOTER
MINSCALE 1
  MAXSCALE 8
# Set IMAGEPATH to the path where mapserver should
# write its output
 IMAGEPATH 'd:\\tmp\\'
# Set IMAGEURL to the url that points to IMAGEPATH
 #IMAGEURL '/map_output/'
END

PROJECTION
    "init=epsg:4326"
END

# Extent based on full extent of QGIS view
EXTENT 115.275 39.2204 117.475 40.9462

UNITS METERS

IMAGECOLOR 255 255 255
IMAGETYPE gif
# Projection definition
# Projections are not currenlty supported. If desired, add your own
# projection information based on Mapserver documentation.
#
LAYER
  NAME road
  TYPE LINE
  STATUS ON

  CONNECTIONTYPE POSTGIS
  CONNECTION "host=localhost dbname=mapdb  user=postgres password=postgres port=5432"
  DATA "the_geom from beijing_polyline using unique gid using srid=4326"


  #DATA  "d:\\wwwroot\\shp\\Rbeijing.shp"

  CLASS
    NAME "ROAD"
    # TEMPLATE
    OUTLINECOLOR 112 238 238
  END
END
END # Map File

蓝色的部分就是连接postgis数据库的部分,和取数据的部分

[3]road.html
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <style type="text/css">
        ##mapdiv {
            width: 800px;
            height: 475px;
            border: 1px solid black;
        }
    </style>
    <script src="/OpenLayers/OpenLayers.js"></script>

    <script type="text/javascript">
        //Google has 20 scales
        //Resolutions always start big to small, descending order
        //numZoomLevels=20 (corresponds to Googles 20 zoom levels)
        //map.setCenter(center, 19); (Zoom Level starts at 0 and ends in 19)

        window.onload = function() {

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

            var serverURL = "/cgi-bin/mapserv";

            var layer_obj = new OpenLayers.Layer.WMS(
                "road",
                serverURL,
                {  
                    layers: 'road',
            map : 'd:\\wwwroot\\postgis\\road.map',

                    format: 'gif'
                },
                {
                    //reproject: false,
                    'numZoomLevels': 20,
                    gutter: 15,
                    buffer: 0
                }
            );
            layer_obj.setIsBaseLayer(true);  
            layer_obj.setVisibility(true);  
            map.addLayer(layer_obj);

            map.addControl(new OpenLayers.Control.PanZoomBar());
            map.addControl(new OpenLayers.Control.MousePosition());
            map.addControl(new OpenLayers.Control.LayerSwitcher());
            map.addControl(new OpenLayers.Control.Scale());
            var center = new OpenLayers.LonLat(116.39166, 39.90625);
            map.setCenter(center, 8);
        }
         
    </script>
  </head>
  <body>
    <div id="mapdiv"></div>
  </body>
</html>


访问http://localhost:8888/postgis/road.html,可以看到地图结果如下:

mapserver_postgis.PNG






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posted on 2009-02-20 18:19 zhyiwww 阅读(2552) 评论(4)  编辑  收藏 所属分类: gisPostgis

FeedBack:
# re: Mapserver配置postgis数据源[未登录]
2010-03-11 21:26 | 石头
为什么访问端口号是8888呢,我照样在linux运行,显示的页面时空白的。  回复  更多评论
  
# re: Mapserver配置postgis数据源
2010-03-18 09:33 | zhyiwww
端口是自己指定的,可以修改。  回复  更多评论
  
# re: Mapserver配置postgis数据源
2010-04-26 20:26 | 骑马人
请问可不可以写篇安装qgis的文章,我在windows下安装qgis后,导出mapfile文件时总是出错。怀疑是安装的问题。  回复  更多评论
  
# re: Mapserver配置postgis数据源
2010-08-04 20:37 | myy
哥们 能留你的qq吗 我的显示不出来啊  回复  更多评论
  

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