<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello, Dear grass_user. <span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; line-height: 19px; "><em style="font-weight: bold; font-style: normal; "><font class="Apple-style-span" color="#080808">My first</font></em></span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; line-height: 19px; "><font class="Apple-style-span" color="#080808"> forum </font></span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; line-height: 19px; "><em style="font-weight: bold; font-style: normal; "><font class="Apple-style-span" color="#080808">participation</font></em></span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; line-height: 19px; "><font class="Apple-style-span" color="#080808"> in the grass_user list email.</font></span><div><font class="Apple-style-span" color="#080808" face="Helvetica, Arial, sans-serif"><span class="Apple-style-span" style="line-height: 19px;"><br></span></font></div><div><font class="Apple-style-span" color="#080808" face="Helvetica, Arial, sans-serif"><span class="Apple-style-span" style="line-height: 19px;"><span class="Apple-style-span" style="color: rgb(48, 48, 48); font-family: 'Lucida Grande', sans-serif; font-size: 12px; line-height: 15px; ">How to extract values of map raster with r.mapcalc? I need make new map raster based on specific value of other raster.</span><br></span></font><div><br></div></div></body></html>