[Mapserver-users] mscalculate() and explode()

[AARON KONING]

I would echo out the $extent_to_set[0]ie: floating point numbers at appropriate sizes) prior to $map->setextent.

eg:
 print_r($extent_to_set);
 die();

Aaron



----- Original Message -----
From: julius muchemi <muchemijg at yahoo.com>
Date: Monday, May 31, 2004 1:37 am
Subject: Re: [Mapserver-users] mscalculate() and explode()

> Yes the array explode has worked as per your instructions
> 
> Could also somebody sought me out on this next error on the same 
> coding 
> 
> Fatal error: [MapServer Error]: msCalculateScale(): Invalid image 
> extent. in C:\Program Files\Apache 
> Group\Apache2\htdocs\Nakmap\nakint.php on line 19
> 
> 
> AARON KONING <aaronkoning at shaw.ca> wrote:
> The PHP function 'explode' requires two arguments and you have only 
> provided one. Change the explode function on line 18 to include the 
> two arguments as per below.
> 
> Function definition from php.net:
> 
> array explode ( string separator, string string [, int limit])
> 
> Aaron
> 
> 
> 
> ----- Original Message -----
> From: julius muchemi 
> Date: Saturday, May 29, 2004 5:57 am
> Subject: [Mapserver-users] mscalculate() and explode()
> 
> > i have ahead with the project and after displaying the the layer 
> > now want to add zoom and pan capabilities to the previous code. 
> > I'm still on windows 2000. 
> > i have the following error in browser which i dont know how to 
> > solve 
> > 
> > Warning: Wrong parameter count for explode() in C:\Program 
> > Files\Apache Group\Apache2\htdocs\Nakmap\nakint.php on line 18
> > Fatal error: [MapServer Error]: msCalculateScale(): Invalid image 
> > extent. in C:\Program Files\Apache 
> > Group\Apache2\htdocs\Nakmap\nakint.php on line 19
> > The code looks like this:
> > ?php 
> > dl("php_mapscript_4.0.1.dll");
> > $map_path = "C:/Program Files/Apache Group/Apache2/htdocs/Nakmap/";
> > $map = ms_newMapObj($map_path."nakuru.map");
> > $val_zsize=3;
> > $check_pan="CHECKED";
> > ?>
> > 
> > 
> > 
> > 
> > 
> > 
> > " MEHOD="POST">
> > 
> > > {
> > $extent_to_set=explode("EXTENT"); 
> > $map-
> > 
> >setextent($extent_to_set[0],$extent_to_set[1],$extent_to_set[2],$extent_to_set[3]);$my_extent=ms_newpointObj();> $my_point->setXY("mapa_x", "mapa_y");
> > $my_extent = ms_newrectObj();
> > $my_extent = $map->setextent($extent_to_set[0], 
> $extent_to_set[1], 
> > $extent_to_set[2], $extent_to_set[3]);
> > }
> > ?>
> > > $zoom_factor=("zoom")*("zsize");
> > if ($zoom_factor==0)
> > {
> > $zoom_factor=1;
> > $check_pan="CHECKED";
> > $CHECK_zout="";
> > $check_zin="";
> > }
> > else if ($zoom_factor<0)
> > {
> > $check_pan="";
> > $check_zout="CHECKED";
> > $check_zin="";
> > }
> > else
> > {
> > $check_pan="";
> > $check_zout="";
> > $check_zin="CHECKED";
> > }
> > $Val_zsize=abs($zoom_factor);
> > $map->zoompoint ($zoom_factor, $my_point, $map->width, $map-
> > >height, $my_extent);
> > $image = $map->draw();
> > $image_url=$image->saveWebImage();
> > $extent_to_html = $map->EXTENT->minx." ".$map->EXTENT->miny." 
> > ".$map->EXTENT->maxx." ".$map->EXTENT->maxy;
> > ?>
> > Could trace anything wrong with my zoom and pan code. 
> SPecifically 
> > this code
> > $map-
> > 
> >setextent($extent_to_set[0],$extent_to_set[1],$extent_to_set[2],$extent_to_set[3]);and 
> > $extent_to_html = $map->EXTENT->minx." ".$map->EXTENT->miny." 
> > ".$map->EXTENT->maxx." ".$map->EXTENT->maxy;
> > as seem to be source of all the above errors
> > Muchemi
> > 
> > 
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