OpenEV commits

[Mario Beauchamp-2]

Hi folks,

A few new features and bug fixes have been committed. Thanks to DRDC's
contractor Adam Klein for making many of these possible!

Among those:

- autoreprojection

If Autoreproject preference is set to Yes, newly added layers are
automatically reprojected to the view's current projection. This is
still experimental though but should work in most cases.

- shapes attribute editor

This is a replacement for the ShapesGrid tool. It is accessible via
the "Attributes" pulldown menu when you right click a shapes layer in
the layers list. It is based on gvgrid.py (the replacement for
pgugrid.py which will no longer be supported) which is itself based on
Easygrid (http://www.daa.com.au/pipermail/pygtk/2005-May/010357.html).
This module actually has two kinds of grids: a simple one (SimpleGrid)
and a buffered one (Grid). The buffered one can potentially handle an
infinite number of entries by displaying only a small amount at a
time. It has proven itself quite well in CIETmap's display of large
datasets with hundreds of fields. The current Attributes Editor uses
the SimpleGrid for now but it is my intention to have it automatically
switch to the buffered one when the number of shapes in a layer is
larger than a yet to be determined number. I just need to figure out
the logic to do this...

- managers bug fixes

The managers (GvManager/GvSymbolManager) returned by the Python
functions were not the actual static instances defined at the C level
so they were basically useless. One consequence of this was that the
Track Tool properties were not properly handled.

- Raster Properties bug fixes

The Coordinate System tab has been reenabled and made to use the new
reprojection stuff put in place by Adam. Also, a UTM zone control was
added.

- Autopan tool fixes

- nodata properly handled

- other more obscure stuff

Thank you for your attention (and your patience!).

cheers
--
Mario B.

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