[Mapserver-users] Virtual polygon problem!!

[Gijs Epping]

I allready found the problem i had to add the begin point the end.


Begin point 
Point 
Point 
Point 
Etc...
Begin point 


Hope this helps somebody

G



 
> -----Oorspronkelijk bericht-----
> Van: Gijs Epping [mailto:mapserver at gijs.com]
> Verzonden: woensdag 12 mei 2004 13:35
> Aan: mapserver-users at lists.gis.umn.edu
> Onderwerp: [Mapserver-users] Virtual polygon problem!!
> 
> Hello,
> 
> We are creating a polygon with the following code
> 
> function addPolygon($style)
> {
> global $gpoMap;
> $style->color->setRGB(255, 0, 255);
> $style->outlinecolor->setRGB(255, 0, 0);
> 
> $shp = ms_newShapeObj($this->type);
> $line = ms_newLineObj();
> $point = ms_newPointObj();
> for($i=0; $i<count($this->coordinates); $i++)
> {
>  if($i==0)
>  {
>  $line->addXY($this->coordinates[$i]->x, $this->coordinates[$i]->y);
>  }
> $line->addXY($this->coordinates[$i]->x, $this->coordinates[$i]->y);
> }
>  $shp->add($line);
>  return $shp;
> }
> 
> after this the polygon is added with $layer->addFeature($shp);
> 
> 
> Now the weird thing is that if you zoom in, and a corner point from a
> polygon (a square for example) drops next to the extend of the map the
> square becomes I triangle. So the corner points next to the map extend
> are cut off.
> 
> I did send some examples that you can see what is happening!!!!
> 
> Is there a solution that it will draw the polygons correct
> 
> Thanks in advance
> 
> Gijs
> 
> 
> 
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