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Arthur,<br>
<br>
I assume you are referring to
<a class="moz-txt-link-freetext" href="http://trac.osgeo.org/fusion/ticket/467">http://trac.osgeo.org/fusion/ticket/467</a>, I had a quick look at that
last week and my guess is that the WKT coming back for the
pseudo-mercator is incorrect or not being parsed correctly but I
haven't got further than that yet. <br>
<br>
Mike<br>
<br>
On 05/08/2011 4:22 AM, Arthur Liu wrote:
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<p class="MsoNormal">Hi experts,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I meet a strange problem on commercial
layer based map, and I think this might be a defect in
ViewOptions widget. I would like to know if there’s anyone
else who ever met similar issues before.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The map I used is defined in Google
Mercator(EPSG:900913) and it works fine when I use the default
unit(meter) ViewOptions.
<o:p></o:p></p>
<p class="MsoNormal">However, when I change the unit to “degree”
in ViewOptions, the displayed value from the CursorPosition is
not correct anymore.
<o:p></o:p></p>
<p class="MsoNormal">The expected value should be (-119.9707,
40.0646), but the value I get is (-120.7833,44.0925). The
longitude value is acceptable while the latitude value is far
from the correct value.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In ViewOptions widget, it simply does an
unit conversion regardless which coordinate system is being
used. It just times 0.000009044(degrees per meter pre-defined
in fusion.js) based on my original position value to get the
result. I have little experience about coordinate system, but
it seems that EPSG:900913 is flatter than other WGS84
coordinate systems. Is it the cause of this issue? Is it
needed for ViewOptions to enhance its function?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Arthur <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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