Getting Blank Image : New User

Sun Sep 2 22:48:30 PDT 2007

Hi All,
I am a new user of mapserver. I am trying to view the available shape file using php mapscript. I have created a simple map file for the same.But on running it through browser i am getting a completely blank image as output. Please help.

Contents of Map file:
NAME "eSagu GIS"
SIZE 200 200
STATUS ON
SYMBOLSET "../symbols.sym"
EXTENT -5696501 1923039 5696501 11022882
UNITS METERS
SHAPEPATH "../data"

WEB
    IMAGEPATH "C:/ms4w/Apache/htdocs/eSagu/map/tmp/"
    IMAGEURL "/eSagu/map/tmp/"
END

LAYER
    NAME "FarmFields"
    TYPE point
    STATUS ON
    DATA "FarmFields"
    CLASS
        STYLE
            COLOR 210 150 130
            OUTLINECOLOR 100 220 230
            SYMBOL 0
        END
    END
END

END

Content of php file:

<?php

 dl('php_mapscript.dll'); 

 $map_path="../map/";

 $map = ms_newMapObj($map_path."eSagu.map");
 $image=$map->draw();
 $image_url=$image->saveWebImage();

?>

<HTML>
  <HEAD>
      <TITLE>eSagu: Displaying farms for Malkapur</TITLE>
  </HEAD>
  <BODY>
      <IMG SRC=<?php echo $image_url; ?> >
  </BODY>
</HTML>

Please help me out.
Thanks and Regards,
Piyush

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