[OpenLayers-Users] Another offset problem (follow-up on Bug? Zoom box offset when using large scales)

Fri Aug 24 08:43:34 EDT 2007

I too have noticed this problem and would be very interested in the
resolution.

cheers,
Tom

On 8/24/07, Barend Köbben <kobben at itc.nl> wrote:
>
> Hi,
>
> As a follow-up to my earlier report (see below), I am getting some other
> XY-coordinate problems that I suspect could be related:
>
> I am using X=evt.xy.x; Y = evt.xy.y for getting click-coordinates to
> report
> back to a GetFeautureInfo call to WMS. In IE7 on PC, Safari & Opera on
> MacOSX this works fine. In FireFox on Mac & PC however, the X reported
> back
> if offset as soon as the body of the HTML is offset. In other words, if
> the
> map <div> is in a HTML <body> that has a margin-left=100px, evt.xy.x=101in
> FireFox, and evt.xy.x=1 in all other browsers! Equally,  evt.xy.y is
> affected by margin-top...
>
> My question is: is evt.xy.x a OpenLayers property, or a general javaScript
> one? In the latter case, I guess it's a FireFox bug. Any ideas on how to
> get
> around it...?
>
> Yours,
> __
> Barend Köbben
> International Institute for Geo-information
> Sciences and Earth Observation (ITC)
> PO Box 6, 7500AA Enschede (The Netherlands)
> ph: +31 (0)53 4874253; fax: +31 (0)53 4874335
>
>
> On 03-08-2007 14:50, "Christopher Schmidt" <crschmidt at metacarta.com>
> wrote:
>
> > On Fri, Aug 03, 2007 at 12:26:57PM +0200, Barend K?bben wrote:
> >> Hi ,
> >>
> >> I have data of a really large scale, it's almost 1:1 drawings of
> >> archeological finds. They have been measured very precisely and nicely
> >> georef'd to a UTM projection and consist of maps of typically some
> 15x15 to
> >> 20x20 meters in size.
> >> All works quite fine, but the large scale obviously gives some
> problems,
> >> that I consider a bug: The zoom box (SHIFT-Drag) does not appear were
> the
> >> actual mouse is moving. The effect varies according to the size of the
> >> screen and the browser (eg. on my 1024x768 Mac running Firefox it's not
> as
> >> bad as on a 1680x1050 PC using IE7, where it's really way off). I have
> >> experimented with all kinds of resolution and scale settings, but to no
> >> avail...
> >
> > This is almost definitely a bug in OpenLayers ... holy crap, you weren't
> > kidding. Something's totally broken there.
> >
> > Erik, can you file this as a blocker for 2.5?
> >
> > Thanks for the report, Barend. We'll look into this.
> >
> > -- Chris
> >
> >> Sciences and Earth Observation (ITC)
> >> PO Box 6, 7500AA Enschede (The Netherlands)
> >> ph: +31 (0)53 4874253; fax: +31 (0)53 4874335
> >>
> >>
> >> _______________________________________________
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> >> Users at openlayers.org
> >> http://openlayers.org/mailman/listinfo/users
> >>
>
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