Many thanks for the explanations Jody - thanks great. I'm catching up now :)

> Q: How does angle effect your worldToScreen and screenToWorld transforms? Do
> you need to
> make the extra concatenated transform available for tools to work etc?

I'm embarrassed to admit it's been so long since I looked at the
branch code I can't remember how far I got on that.

> It is my hope if you wanted "an overview" you could make a MapViewport
> that wrapped the original (adjusting the by a scale factor). Or you could
> use listeners
> and update the second MapViewport for a slightly more complicated solution.

That sounds ideal.

> So the general theme is that work is proceeding apace (Andrea reviewed your
> patch, I added StyledLayer, and
> we can adjust MapViewport and MapContent to try and make coding easier and
> reduce duplication).

Please see the comment and updated patch I just added to the Jira issue:
http://jira.codehaus.org/browse/GEOT-3565

I should have also mentioned before that the swing branch code is now
quite stale, so when I say "bring it over" I mean I will be merging /
adapting / discarding by hand as required.

Michael

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