GetMap請求返回白色圖像

Question

我只是遇到了一個問題，試圖使用Mapserver顯示我的地圖與GetMap請求，但它返回一個白色的圖像。我做了搜索，但我並沒有找到答案： 我的地圖文件：

MAP 
    IMAGETYPE  PNG 
    EXTENT  -21 20 1 36 
    SIZE   700 400 
    IMAGECOLOR  255 255 255 
     PROJECTION 
     "init=epsg:4326" 
    END 
    OUTPUTFORMAT 
    NAME png 
    MIMETYPE image/png 
    DRIVER GD/PNG 
    EXTENSION png 
    IMAGEMODE PC256 
    TRANSPARENT FALSE 
    END 
    WEB 
    METADATA 
    "wms_title" "Dans Layers and Stuff" 
    "wms_onlineresource" "http://localhost:81/cgi-bin/mapserv.exe?" 
    "wms_enable_request" "*" 
    "wms_srs" "EPSG:4326" 
    "wms_feature_info_mime_type" "text/html" 
    "wms_format" "image/png" 
    END 
END 
LAYER 

NAME map1 
TYPE polygon 
STATUS default 
CONNECTIONTYPE postgis 
CONNECTION "dbname=postgres host=localhost port=5432 user=postgres" 
DATA "geom from comgeo" 
    PROJECTION 
     "init=epsg:4326" 
    END 
    METADATA 
    "wms_title" "map1" 
    END 
PROCESSING "SCALE=AUTO" 
CLASS 
    STYLE 
    COLOR 232 232 232 
    OUTLINECOLOR 32 32 32 
END 
END 
END 
END 

這個我用我的請求，鏈接：

http://localhost:81/cgi-bin/mapserv.exe?map=/wamp64/www/wordpress/map1.map&version=1.3.0&request=GetMap&CRS=EPSG:4326&bbox=-21,20,1,36&width=760&height=360&layers=map1&styles=&FORMAT=image/png&TRANSPARENT=TRUE 

的BBOX值是否正確。謝謝

Answer 1

我沒有解決probleme當我更換EPSG：4326與CRS：84和網址：

http://localhost:81/cgi-bin/mapserv.exe?map=/wamp64/www/wordpress/map1.map&request=GetMap&SERVICE=WMS&version=1.3.0&CRS=CRS:84&bbox=-21,20,1,36&width=700&height=400&layers=map1&styles=&FORMAT=image/png&TRANSPARENT=TRUE 

Answer 2

您的URL似乎缺少SERVICE = WMS參數。