QueryByRect Problems on shp point

Lowell Filak lfilak at MEDINACO.ORG
Wed Jan 19 08:29:30 EST 2005


Strange.
Is there any chance the points don't form a rectangle but rather a
parallelogram, quadrilateral, ...?
What if you draw the shapeobj on the map?

Lowell

The following message was sent by "Francesco Sozzi" <fsozzi at intercad.ch>
on Wed, 19 Jan 2005 10:07:52 +0100.

> Hi Lowell,
>
> No I haven't any logging.
> At the moment I solved the problem by converting rectangle into a shape
> object and issuing a QueryByShape: in this way it works.
> Strange...
>
> Francesco
>
> ----- Original Message -----
> From: "Lowell Filak" <lfilak at MEDINACO.ORG>
> To: <MAPSERVER-USERS at LISTS.UMN.EDU>
> Sent: Tuesday, January 18, 2005 6:13 PM
> Subject: Re: [UMN_MAPSERVER-USERS] QueryByRect Problems on shp point
>
>
> > The following message was sent by Francesco Sozzi <fsozzi at INTERCAD.CH>
> > on Mon, 17 Jan 2005 11:55:02 +0100.
> >
> > > Hi all,
> > >
> > > I am having problems on querying a shapfile layer of type point.
> > >
> > > The code I use is:
> > > $qresult = $layer->queryByRect($rectDrawnedMapCoord);
> > > where $rectDrawnedMapCoord is a rectangle with map coordinates that
> > contains
> > > several points.
> > >
> > > The problem is that I get an empty result.
> > >
> > > Here you are some notes:
> > > - I have problems only on shapefile layers of type point; queryByRect
> > works
> > > properly on shapefile polygon and line
> > > - I an Oracle Spatial copy (exatly the same point objects and data) an
> it
> > > works: I get right resul on queryByRect
> > >
> > > Anybody have any suggestions?
> >
> > Francesco,
> >
> > Do you have any logging turned on that could point to a problem possibly
> > accessing the shapefile?
> >
> > Lowell
> >
>



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