[Mapserver-users] Re: problem getting bounds of poly shape

[Palle Due Larsen]

A shapeObj does not automatically compute its bounds. You have to call 
     $shpObj->setBounds() to get it calculated.

Best regards
Palle Due Larsen
Carl Bro GIS&IT

-----Original Message-----
From: "pkishor_98" <pkishor at geoanalytics.com>
To: mapserver-users at lists.gis.umn.edu
Date: Sun, 21 Sep 2003 18:02:30 -0000
Subject: [Mapserver-users] Re: problem getting bounds of poly shape

> replying to my own question -- I might not be drawing a correctly
> closed shape... 
> hence no legit rectObj. Corollary question -- do I have to explicitly
> close a shape to 
> make a legit poly? Assuming the answer to that is a resounding "yes",
> is there a way 
> to test whether a shape is a legit poly other than attempting to get
> its bounds and 
> seeing if anything is returned?
> 
> --- In mapserver-users at yahoogroups.com, "pkishor_98" <pkishor at g...>
> wrote:
> > I am drawing a shape on a poly layer like so...
> > 
> > my $shpObj = new mapscript::shapeObj($mapscript::MS_SHAPE_POLYGON);
> > adding a few lines with points (of course) and drawing it. The
> shape is drawing fine 
> > and showing up on the graphic, but I can't get its bounds.
> > 
> > The bounds show up as -1 -1 -1 -1 via $shpObj->{bounds}->{minx}
> etc. I am at 
> my 
> > wits end here... any idea what is going on?
> > 
> > Tia.
> > 
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> 
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