[Chameleon-dev] [Bug 439] New: [Chameleon] ZoomIn and ZoomOut widgets work inconsistently at scale limits

[bugzilla-daemon at www.maptools.org]

http://www.maptools.org/bugzilla/show_bug.cgi?id=439

           Summary: [Chameleon]  ZoomIn and ZoomOut widgets work
                    inconsistently at scale limits
           Product: Chameleon
           Version: 1.99
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P4
         Component: Widget
        AssignedTo: chameleon-dev at lists.maptools.org
        ReportedBy: darren_redfern2000 at hotmail.com


This is a relatively minor functionality issue, but *I* noticed that the 
behaviour was not what I expected, so I suspect others will too. 

Do the following:

* open the sample_enhanced.phtml application.
* select ZoomIn tool.
* zoom in (factor 2) on Yellowknife repeatedly, until you can zoom in no more 
(i.e., you're at the minimum scale).
* With the ZoomIn tool still selected and Yellowknife still in the center of 
the frame, click near the southeast corner of the map. The extents have 
changed - basically, the ZoomIn tool has acted like the Recenter tool. 
* select ZoomFullExtents tool. Map is back to its maximum scale.
* select ZoomOut tool. 
* click on Yellowknife. Map is unchanged - i.e., ZoomOut tool did NOT act like 
Recenter tool. 
* select Recenter tool.
* click on Yellowknife. Map is recentered.

I think that if you are trying to zoom beyond the limits of a map's scale, that 
Chameleon should behave similarly in both cases. The behaviour I suggest is 
that the zoom becomes a recenter in both cases.



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