[OpenLayers-Users] problem with "this.object.getLonLatFromLayerPx"

[Pedrazzi Gelsomini]

Dears Sirs,

I need some help with sandbox/vectors/ version downloaded TODAY of
Openlayers library.
I use the Google Maps layer like basic layer overlapped with a WFS layer
quering from Mapserver (gml dump Points).
The overlapping is synchronized when you load the page and zoom-in /
zoom-out.
But if you try to pan or move up and down the map the overlapping fails and
the two layers are not aligned (between 10 and 100 pixel).
They seems aligned when you move left and right the map using arrows
control.
This problem happens using Google Maps with WFS but not with a WMS map
instead Google.
In the Firefox debugger I found this error: "
this.object.getLonLatFromLayerPx is not a function  ------ Events.js (line
313)".
I am using Ubunto Linux.
Any suggestions?
Thank you very much.
Francesca
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