[mapguide-users] Precision problem viewing map

[Stefan Dalakov]

Great, Chris !
Now it works like a charm. No problem at all - works correctly as a 
single page and also iframed.

Stefan Dalakov

Chris Claydon wrote:
> Hi Stefan,
>
> I just submitted a change to the trunk version of ajaxmappane.templ that should resolve this issue. Take a look at the submission:
>
> http://trac.osgeo.org/mapguide/changeset/3557
>
> You should be able to make the same simple changes to your own version of this file (located in www/viewerfiles) to fix the problem without re-installing anything.
>
> Let me know if this works for you!
>
> Chris.
>
> -----Original Message-----
> From: Chris Claydon
> Sent: Monday, January 12, 2009 9:44 AM
> To: MapGuide Users Mail List
> Subject: RE: [mapguide-users] Precision problem viewing map
>
> I tried digitizing a rectangle, and the result was that it was offset only in the y axis. I believe this corresponds to the small space that you have between the top of the map frame and the top of the map itself. I've seen bugs reported about this gap before, but I'm not sure if they've been resolved.
>
> Chris.
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Stefan Dalakov
> Sent: Monday, January 12, 2009 4:12 AM
> To: MapGuide Users Mail List
> Subject: [mapguide-users] Precision problem viewing map
>
> Hi all,
> I am facing a strange and unexpected problem regarding precision of map
> and coordinates display. I see that my data is not displayed on the
> exact place - there is a shift in Y coordinate. I have a raster layer
> with bounding rectangle
> Xmin=..., Ymin=7070400, Xmax=.... Ymax=7071600. But when I move the
> mouse pointer at the lower left corner I see Y=7070320 (at scale 1:2000
> let say) or similar value, and the difference depends on the scale. If I
> zoom down, the difference changes, and at scales close to 1:50 it is ok.
> The situation is similar at the upper right corner. I observe exactly
> the same effect with all other layers.
> I wouldn't care too much about this - even if there is a shift, all
> layers are shifted equally, but when I digitize a polygon it is also
> shifted. Imagine I digitize a polygon to follow a feature on the raster
> image, coordinates are recorded , the feature is added to data source,
> but when it is added, due to this shift it appears not where it has been
> digitized, but shifted.
> I guess you did not understand anything of this, but you can visit
>
> http://www.bgmapguide.com:8008/mapguide/rakvag/main.php
>
> click on "draw a new suggestion" and try to digitize 2 adjacent polygons
> - you will see them overlap
> Please be gentle to the server - it is an old tired horse.
> And to save some time - all layers and the map are in the same
> coordinate system.
> This effect is not depending on the browser (tested with FFox 2 & 3,
> Safari and IE) and is not depending on the screen resolution
>
>
> Best regards : Stefan Dalakov
> _______________________________________________
> mapguide-users mailing list
> mapguide-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
> _______________________________________________
> mapguide-users mailing list
> mapguide-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>
>
>