[mapserver-users] Projection question

[Helen Eskina]

Hello,



I have just started working with MapServer and MapScript.

I would really appreciate any help!



I tried to create a point on the map using GMap Demo. My point is presented
by latlong coordinates. Below is the code.

------------------------------------------------------------

$map = ms_newMapObj($map_path."mymap.map");

 $daLayer = ms_newLayerObj($map);

 $daLayer->set("type", MS_LAYER_POINT);

$daLayer->set("status", MS_ON);

 $class = ms_newClassObj($daLayer);

 $style = ms_newStyleObj($class);

 $style->color->setRGB(255,0,0);

 $style->set("symbolname", "circle");

 $style->set("size", 10);

$my_point = ms_newpointObj();



$my_point->setXY(45.322500,-75.669167);

 $image=$map->draw();

 $my_point->draw( $map, $daLayer, $image, 0, "Point" );



 $image_url=$image->saveWebImage();

-----------------------------------------------------------------------

The point is shown on the map, but in the wrong place. I understand that it
is probably because the projection is wrong.



How to find out which projection is used in the map file?

MAP file:

MAP

NAME DEMO

STATUS ON

#SIZE 400 300

SIZE 800 600

SYMBOLSET ../etc/symbols.sym

EXTENT -2200000 -712631 3072800 3840000

UNITS METERS

SHAPEPATH "../data"

IMAGECOLOR 255 255 255

FONTSET ../etc/fonts.txt



LAYER

  NAME bathymetry

  METADATA

    "DESCRIPTION" "Elevation/Bathymetry"

  END

  TYPE RASTER

  STATUS ON

  DATA bath_mapserver.tif

END





Thank you.
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