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<p class=MsoNormal>Hey folks,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I got an itch the last couple of days to play with some
plugin ideas that I have been thinking about. Neither is complete, but
more of a proof of concept. I would love some folks to try them out and
let me know if they work for you and if you have any initial thoughts on future
direction for them.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>1) RefMap – This is a plugin that is utilizing WebKit
within QT (version 4.4+) to display web maps from (currently) google, OSM, (and
potentially in the future) MS Virtual Earth, Yahoo, etc. The interesting
thing is that I have tied events from the webkit browser (JS actions) to PyQt
methods, and PyQt methods into injected JS. Basically you can do things
like pan a web map and have the qgis canvas track, and pan the qgis canvas and
have the web map track. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The gui contains a “configuration” button and corresponding
dialog, but nothing is really hooked up there yet. Projections are
expected to be in epsg 4326 (WGS84 Lat Lon) for the data layers in qgis…
there is no on-the-fly reprojection yet. While the web map and qgis
canvas will track each other, the zoom levels are not tracking yet… so
you have to manually zoom each of the maps. Again this is just a
prototype. You will need qgis 1.0+ built with QT/PyQt 4.4+ for things to
work.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>2) MirrorMap – This is a plugin to split the map
canvas area into two distinct map canvas’s… the original map canvas
on the left and a new map canvas on the right. When you launch this tool
you will see a small pop-up dialog with buttons to load a vector or raster
layer, remove the mirror canvas, or close the dialog. This dialog is tied
to the right hand canvas. Layers added to that canvas intentionally do
not show up in the main legend and the user currently has no way to change
preferences of the layer in the right panel.<o:p></o:p></p>
<p class=MsoNormal>Like the RefMap plugin, there are no reprojection going on,
so layers in the left and right panel need to be in the same projection.
The left panel (the main canvas) can pan and zoom like normal and the right
panel canvas will track. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>One note is that I am still playing with getting the
resizing of the panels to behave, so there is a side effect that once you click
the plugin button to get the dialog, the main window area where the canvas is
gets a “minimumsize” set to the current size. From that point
on (even after going back to one canvas) the window will not resize smaller
until qgis is started again. Annoying, but not a show stopper and I will
try to fix that asap.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>So, I would love to get some feedback on how these work, if
they show promise, or make you think “ah, it would be great if we could
do xxxx with this plugin”. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>My repo is at:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><a href="http://qgisplugins.z-pulley.com/">http://qgisplugins.z-pulley.com/</a><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks for testing!<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Aaron<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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