I have another question for the list -- looking for advice or nudges in the right direction if possible.<div><br></div><div>I have my little open-layers map application I have been experimenting with. I've been learning how to draw a point on the map in the correct place given a lon/lat, I figured out how to create my own point icons, even rotate them. I figured out how to dive back down into my structures, find the original points and update them as needed, I've figured out how to label my points, even change colors and fonts -- all good stuff and I'm really happy with the capabilities of openlayers and what I've been able to do so far.</div>
<div><br></div><div>The next thing I'd like to tackle is drawing some things superimposed over the map that are placed in absolute screen coordinates and don't scroll or scale with the map.</div><div><br>I've seen a couple examples of drawing buttons using css -- but in my case I (think I) want to do something slightly different.</div>
<div><br>For example: let's say I want to draw and animate an arrow showing the current wind direction and speed and I want that always in the lower right corner of the screen. I know how to draw boxes and arrows in openlayers and animate them, but so far everything I have done has been tied to lon/lat coordinates. Now I imagine using similar primitives but draw them in screen / window coordinates rather than map coordinates.</div>
<div><br></div><div>What is the best strategy for drawing/animating things that should float above the map and not be subject to scrolling or zooming?</div><div><br></div><div>Is there an example of doing something like this? Is there a keyword or object type I should search for? I've been looking through the examples and googling and haven't turned anything up yet.<br clear="all">
<div><br></div><div>Thanks in advance,</div><div><br>Curt.</div>-- <br><div><div>Curtis Olson:</div><div><a href="http://www.atiak.com" target="_blank">http://www.atiak.com</a> - <a href="http://aem.umn.edu/~uav/" target="_blank">http://aem.umn.edu/~uav/</a></div>
<div><a href="http://www.flightgear.org" target="_blank">http://www.flightgear.org</a> - <a href="http://gallinazo.flightgear.org" target="_blank">http://gallinazo.flightgear.org</a></div></div><br>
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