I haven't heard of any. However, you might try using some code from kaQuery.js which has functions for drawing a BBox. Then (if the projection you are using is an equal area projection) you could get the coordinates of the box and do the math to find the area.
<br><br>Espero que esto le ayude!<br><br>Sam<br><br><br><div class="gmail_quote">On Dec 5, 2007 4:07 AM, Jordi Cerdà <<a href="mailto:jordieumoll@gmail.com">jordieumoll@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hello,<br><br>I have interested to developped an area measurement tool based on the<br>kaTool prototype.<br><br>Someone has any code for this tool?<br><br>Thanks,<br><br>Jordi Cerdà<br><br>**************************************************************************************************
<br>Hola,<br><br>Estoy interesado en desarrollar una herramienta para el cálculo de<br>àrea basado en el prototipo de kaTool.<br><br>Alguien tiene algún código para esta herramienta?<br><br>Gracias,<br><br>Jordi Cerdà<br>
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