blank map when a layer is defined from php

[Shashi Gireddy]

I found MS_POSTGIS in archives, but no use. any other ideas please.
thank you,


On Apr 4, 2005 4:41 PM, Yewondwossen Assefa <assefa at dmsolutions.ca> wrote:
> I think you should use something like :
>
>  $layer->set(connectiontype,MS_POSTGIS) instead of
>
>  $layer->set(connectiontype, "postgis");
>
> Later,
>
>
> Shashi Gireddy wrote:
> > I spent a lot of time on it. I didn't found any solution. Is it
> > appears to be a bug. because it is trying to open the expression as
> > file, here is the error.
> >
> > Warning: [MapServer Error]: msSHPOpenFile(): (c:/ms/map_files/the geom
> > from counties) in c:\inetpub\wwwroot\mapExamples\map3.php on line 22
> > here "the geom from counties" is the select statement. anybody has any idea.
> >
> > thank you,
> > shashi.
> >
> >
> > On Feb 21, 2005 4:29 PM, Shashi Gireddy <gireddy at gmail.com> wrote:
> >
> >>Hi all,
> >>Thank you steven and Stephen for helping me in removing label
> >>overlapping.I really appreciate your help.  I am perfectly able to
> >>join the geometry object with external database.  Now I want to make
> >>everything dynamic, i.e generate layers dynamically from php. I had a
> >>problem doing so.
> >>
> >>I am getting a blank map when i tried to generate layers dynamically
> >>from php, here is my code
> >>
> >>$map_path="c:/ms/map_files/";
> >>  $map_file="Test.map";
> >>
> >>$map = ms_newMapObj($map_path.$map_file);
> >>$layer = ms_newLayerObj($map);
> >>$lname="counties";
> >>$layer->set(name, $lname);
> >>$layer->set(connectiontype, "postgis");
> >>$layer->set(connection, "user=root password=c3n5u5 dbname=census
> >>host=localhost");
> >>$layer->set(data, "the_geom from calhoun_qry1 using srid=-1");
> >>$layer->set(type, MS_POLYGON);
> >>$layer->set(status, MS_DEFAULT);
> >>$class = ms_newClassObj($layer);
> >>$class->set(name, "class1");
> >>$class->setexpression("[p001001]");
> >>$style = ms_newStyleObj($class);
> >>$style->color->setRGB(10,100,10);
> >>$i= $map->save("c:/inetpub/wwwroot/tmp/Test.map");
> >>   if ($i != -1){
> >>       $image=$map->draw();
> >>       //$map->{imagecolor}= $map->addColor(0,0,255);
> >>       $image_url=$image->saveWebImage();
> >>  }
> >>
> >>here is the error messages:
> >>Warning: [MapServer Error]: msDrawMap(): Failed to draw layer named
> >>'(null)'. in c:\inetpub\wwwroot\mapExamples\map3.php on line 22
> >>
> >>Warning: [MapServer Error]: msSHPOpenFile(): (c:/ms/map_files/the geom
> >>from counties) in c:\inetpub\wwwroot\mapExamples\map3.php on line 22
> >>
> >>Warning: [MapServer Error]: msSHPOpenFile(): (c:/ms/map_files/the geom
> >>from counties) in c:\inetpub\wwwroot\mapExamples\map3.php on line 22
> >>
> >>Fatal error: Call to a member function on a non-object in
> >>c:\inetpub\wwwroot\mapExamples\map3.php on line 24
> >>
> >>the worning message is not looking relevant c:/ms/map_files/the geom from .....
> >>
> >>can anybody help me please....
> >>
> >>
> >>--
> >>Shashi Kiran Reddy. Gireddy,
> >>Graduate Assistant,
> >>CBER, University of Alabama.
> >>http://www.cs.ua.edu/shashi
> >>Home: 205-752-5137 Cell: 205-657-1438
> >>
> >
> >
> >
> > --
> > Shashi Kiran Reddy. Gireddy,
> > Graduate Assistant,
> > CBER, University of Alabama.
> > http://www.cs.ua.edu/shashi
> > Home: 205-752-5137 Cell: 205-657-1438
> >
>
> --
> ----------------------------------------------------------------
> Assefa Yewondwossen
> Software Analyst
>
> Email: assefa at dmsolutions.ca
> http://www.dmsolutions.ca/
>
> Phone: (613) 565-5056 (ext 14)
> Fax:   (613) 565-0925
> ----------------------------------------------------------------
>
>


--
Shashi Kiran Reddy. Gireddy,
Graduate Assistant,
CBER, University of Alabama.
http://www.cs.ua.edu/shashi
Home: 205-752-5137 Cell: 205-657-1438