<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Thank you for all your answer. <div class=""><br class=""></div><div class="">I’ll try to explain better my problem. </div><div class=""><br class=""></div><div class="">I have to polygons shapes file one for forest and one for open areas with differents polygons for every shape.</div><div class=""><br class=""></div><div class="">If i need to calculate the length of the border between this 2 shapes just the edge between forest and open areas is there any function in qgis or I need to calculate by hand?</div><div class=""><br class=""></div><div class="">Thank you again</div><div class=""><br class=""></div><div class="">Emiliano<br class=""><div><blockquote type="cite" class=""><div class="">Il giorno 02/mar/2016, alle ore 17:07, Paulo van Breugel <<a href="mailto:p.vanbreugel@gmail.com" class="">p.vanbreugel@gmail.com</a>> ha scritto:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class="">Not tested, but what about using the v.to.db function (grass function, does not seem to be available in the toolbox, but you could have a look at the GRASS tools addon).<br class=""><br class=""></div>With this function you can upload category numbers of left and right area, to an attribute table of
boundaries common for the areas. With the same function, you can also upload the length of a line (need to check if that works for boundaries as well, but I suspect it does). These two combined should provide what you need? Check out the manual page <a href="https://grass.osgeo.org/grass70/manuals/v.to.db.html" class="">https://grass.osgeo.org/grass70/manuals/v.to.db.html</a> for details.<br class=""><br class=""></div>Paulo<br class=""><div class=""><br class=""><br class=""><div class=""><div class=""><div class=""><div class="gmail_extra"><br class=""><div class="gmail_quote">On Wed, Mar 2, 2016 at 3:54 PM, Emiliano Manzo <span dir="ltr" class=""><<a href="mailto:emiliano.manzo@ethoikos.it" target="_blank" class="">emiliano.manzo@ethoikos.it</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi to all,<br class="">
<br class="">
<br class="">
is anybody know how I can calculate the linear length between 2 polygons?<br class="">
<br class="">
I need to measure the length between 2 different shape file in particular I have a habitat map and I need to calculate edge between to different habitat type.<br class="">
<br class="">
Thank you<br class="">
<br class="">
Emiliano<br class="">
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