<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10px"><div id="yiv6584030366"><div id="yui_3_16_0_1_1415788337023_6006"><div id="yui_3_16_0_1_1415788337023_6005" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10px;"><div dir="ltr" id="yiv6584030366yui_3_16_0_1_1415788337023_4601"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"><span id="yiv6584030366yui_3_16_0_1_1415788337023_4770" style="" class="yiv6584030366">Hi!<br></span></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4794"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"><span id="yiv6584030366yui_3_16_0_1_1415788337023_4770" style="" class="yiv6584030366"><br></span></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4796"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"><span id="yiv6584030366yui_3_16_0_1_1415788337023_4770" style="" class="yiv6584030366">Thanks for your reply Lluis</span><span id="yiv6584030366yui_3_16_0_1_1415788337023_4784" style="" class="yiv6584030366">.</span></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4797"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"><br></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4798"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4793" style="" class="yiv6584030366">I used the</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4769" style="" class="yiv6584030366">GRASS</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4768" style="" class="yiv6584030366">command</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4766" style="" class="yiv6584030366">r.cost</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4765" style="" class="yiv6584030366">commenting</span><span id="yiv6584030366yui_3_16_0_1_1415788337023_4789" style="" class="yiv6584030366">, but</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4792" style="" class="yiv6584030366">also gives</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4791" style="" class="yiv6584030366">me error</span><span style="" class="yiv6584030366">.</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4758" style="" class="yiv6584030366">It also includes</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4824" style="" class="yiv6584030366">a start point</span> <span style="" class="yiv6584030366">and a</span> <span style="" class="yiv6584030366">finish</span> <span style="" class="yiv6584030366">and I</span> <span style="" class="yiv6584030366">only</span> <span style="" class="yiv6584030366">need one</span> start point<span style="" class="yiv6584030366">.</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4767" style="" class="yiv6584030366">I explain</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4764" style="" class="yiv6584030366">what I need to</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4763" style="" class="yiv6584030366">do,</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4762" style="" class="yiv6584030366">to see</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4761" style="" class="yiv6584030366">if I can</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4760" style="" class="yiv6584030366">also</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4759" style="" class="yiv6584030366">help.</span></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4812"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"><span id="yiv6584030366yui_3_16_0_1_1415788337023_4759" style="" class="yiv6584030366"><br></span></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4810"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"> <span style="" class="yiv6584030366">I created a</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4776" style="" class="yiv6584030366">layer</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4777" style="" class="yiv6584030366">fricion</span><span style="" class="yiv6584030366">,</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4783" style="" class="yiv6584030366">in which</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4790" style="" class="yiv6584030366">the cells have</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4743" style="" class="yiv6584030366">temporal</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4805" style="" class="yiv6584030366">value.</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4799" style="" class="yiv6584030366">Intend to</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4806" style="" class="yiv6584030366">make</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4809" style="" class="yiv6584030366">a layer of</span> <span style="" class="yiv6584030366">cost</span> <span style="" class="yiv6584030366">in</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4823" style="" class="yiv6584030366">that the cost</span> <span style="" class="yiv6584030366">in</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4825" style="" class="yiv6584030366">time taken</span> <span style="" class="yiv6584030366">to pass through</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4778" style="" class="yiv6584030366">each cell</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4741" style="" class="yiv6584030366">is determined.</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4742" style="" class="yiv6584030366">It starts from</span> <span id="yui_3_16_0_1_1415788337023_6034" style="" class="yiv6584030366">a point (</span><span id="yui_3_16_0_1_1415788337023_6035" style="" class="yiv6584030366">the</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4800" style="" class="yiv6584030366">archaeological site</span><span style="" class="yiv6584030366">) and no</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4826" style="" class="yiv6584030366">end, the</span> <span style="" class="yiv6584030366">extension</span> <span style="" class="yiv6584030366">would be</span> <span style="" class="yiv6584030366">the entire layer</span> <span style="" class="yiv6584030366">of</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4739" style="" class="yiv6584030366">friction.</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4740" style="" class="yiv6584030366">Subsequently, the</span> <span id="yui_3_16_0_1_1415788337023_6033" style="" class="yiv6584030366">resulting layer</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4801" style="" class="yiv6584030366">is reclassified</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4807" style="" class="yiv6584030366">to determine</span> <span style="" class="yiv6584030366">territories</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4822" style="" class="yiv6584030366">around the</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4821" style="" class="yiv6584030366">site.</span><br style="" class="yiv6584030366"> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4830" style="" class="yiv6584030366"><br></span></span></div><div id="yiv6584030366yui_3_16_0_1_1415788337023_4831"><span style="" id="yiv6584030366result_box" class="yiv6584030366" lang="en"><span id="yiv6584030366yui_3_16_0_1_1415788337023_4830" style="" class="yiv6584030366">This</span> <span style="" id="yiv6584030366yui_3_16_0_1_1415788337023_4634" class="yiv6584030366">in gvSIG</span> <span style="" id="yiv6584030366yui_3_16_0_1_1415788337023_4635" class="yiv6584030366">with</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4738" style="" class="yiv6584030366">Sexante</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4832" style="" class="yiv6584030366">is done</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4782" style="" class="yiv6584030366">easily, but</span> <span style="" class="yiv6584030366">if</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4804" style="" class="yiv6584030366">it is assumed that</span> <span id="yui_3_16_0_1_1415788337023_6007" style="" class="yiv6584030366">Sexante</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4808" style="" class="yiv6584030366">included</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4813" style="" class="yiv6584030366">in the</span> <span style="" class="yiv6584030366">QGIS</span> <span style="" class="yiv6584030366">version 2.2</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4820" style="" class="yiv6584030366">with which</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4829" style="" class="yiv6584030366">I work, I</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4828" style="" class="yiv6584030366">do not</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4803" style="" class="yiv6584030366">see it anywhere</span><span id="yiv6584030366yui_3_16_0_1_1415788337023_4779" style="" class="yiv6584030366">.</span><br style="" class="yiv6584030366"><br style="" class="yiv6584030366"> <span style="" class="yiv6584030366">I would like</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4827" style="" class="yiv6584030366">to perform</span> <span style="" class="yiv6584030366">with</span> <span style="" class="yiv6584030366">QGIS</span> <span style="" class="yiv6584030366">to</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4780" style="" class="yiv6584030366">only work</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4781" style="" class="yiv6584030366">with a program</span><span style="" class="yiv6584030366">, so</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4833" style="" class="yiv6584030366">would appreciate</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4802" style="" class="yiv6584030366">if someone</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4834" style="" class="yiv6584030366">can tell</span> <span id="yiv6584030366yui_3_16_0_1_1415788337023_4835" style="" class="yiv6584030366">me how</span><span style="" class="yiv6584030366">.</span></span></div><div style="" class="yiv6584030366" id="yiv6584030366yui_3_16_0_1_1415788337023_4601"><div id="yui_3_16_0_1_1415788337023_6012"><br></div><div id="yui_3_16_0_1_1415788337023_6013">Best Regards</div><div style="" class="" id="yiv9017899295yui_3_16_0_1_1415618429969_7214"><br style="" class=""></div>Andres Ocaña<div style="" class="" id="yui_3_16_0_1_1415788337023_6013"><br style="" class=""></div></div></div></div></div></div></body></html>