[bug #2559] (thuban) can't zoom after opening a session

[Request Tracker]

this bug's URL: http://intevation.de/rt/webrt?serial_num=2559
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Subject: can't zoom after opening a session

Operating System: GNU/Linux, suse 9.1
Thuban version: 1.0rc1
Python version: 2.3.3
GDAL version: 1.1.9

Create a map and zoom in on part of the map.  Then save the session.  Now close Thuban.  Start Thuban and open the saved session.  The map is initially zoomed very far out (can barely even make out where the map features are).  Try to zoom in closer.  You can zoom a few times, but it won't let you get nearly as close as you could before saving the session.  Attempts to zoom futher just cause the map to recenter and redraw but you don't get any closer.


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