[mapserver-users] my overview map is dark, what is going on? Is it because of map server (I created), or the client code?

[JK Chen]

Hi,



I made my own map using the Map Server and client with OpenLayers. At zoom out levels, my Overview map becomes dark, however, the box in there is draggable. But, how come it is dark? How to fix that? Root cause?



Sorry, I'm very new to the map space. So, pardon me for the questions.



I included these in this email thread.

*        Map file, is listed end of the email.

*        Here is the screen shot I got. Attached.

*        OpenLayers code used to create the map is also listed here.



The screenshot can be accessed here too. http://osgeo-org.1803224.n2.nabble.com/file/n6729648/Dark_Overview_Map.jpg



OpenLayers code:



    this.wms_basic_layer = new OpenLayers.Layer.WMS(

      wms.wms_layer_display_name,

      wms.wms_url,

      {layers: wms.wms_layer_name},

      {wrapDateLine: true});



  this.map.addLayer(this.wms_basic_layer)



Map file:



MAP # a Map file starts with MAP keyword  #CONFIG "MS_ERRORFILE" "c:\dev\ms_error.txt"

#DEBUG 5

IMAGETYPE      jpeg

EXTENT         -180 -90 180 90

SIZE           256 256

SHAPEPATH      "."

IMAGECOLOR     255 255 255

CONFIG "PROJ_LIB" "C:/Program Files (x86)/Apache Software Foundation/Apache2.2/cgi-bin/"



 PROJECTION

  "init=epsg:4326"

END



 WEB

  MINSCALEDENOM  1000

  MAXSCALEDENOM  7000000

  METADATA

   "wms_title"       "WMS Server"

   "wms_abstract"    "Vantage WMS Server"

  END

END



 LAYER #basemap

  NAME         basemap          # layer name exposted to URL

  EXTENT       -180 -90 180 90  # cover the entire world

  TILEINDEX    "baseGN"         # referring to shape file

SHAPEPAH\TITLEIDEX.shp

  TILEITEM     "location"       # always "location"

  STATUS       ON

  TYPE         RASTER           # it's raster image

  METADATA

   "wms_title" "basemap"

  END

END

END



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