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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thanks Paulo, I hadn’t thought of that and will give it a try next.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Josh Q<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Paulo van Breugel [mailto:p.vanbreugel@gmail.com] <br><b>Sent:</b> Friday, November 24, 2017 5:04 AM<br><b>To:</b> Joshua Quesenberry <engnfrc@gmail.com><br><b>Cc:</b> qgis-developer@lists.osgeo.org<br><b>Subject:</b> Re: [QGIS-Developer] GRASS r.walk<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Hi Josh,<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>I would suggest to send questions to the grass user and/or developers list (<a href="https://grass.osgeo.org/support/mailing-lists/">https://grass.osgeo.org/support/mailing-lists/</a>).<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>Best wishes,<o:p></o:p></p></div><p class=MsoNormal>Paulo<o:p></o:p></p><div><div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Nov 23, 2017 at 9:50 PM, Joshua Quesenberry <<a href="mailto:engnfrc@gmail.com" target="_blank">engnfrc@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Is it normal for an r.walk over an area of 10,500 acres to use up 12GB of HD space and want more? That’s using up every bit of space I have left, so it’s crashing out. I tried setting the maximum cost to 10 and I think 1 also, but the algorithm keeps running for a long time making these really large files…</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Thanks,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Josh Q</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a name="m_-1085914698796026613__MailEndCompose"><span style='color:#1F497D'> </span></a><o:p></o:p></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in 0in 0in;border-color:-moz-use-text-color -moz-use-text-color'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b> Joshua Quesenberry [mailto:<a href="mailto:engnfrc@gmail.com" target="_blank">engnfrc@gmail.com</a>] <br><b>Sent:</b> Thursday, November 23, 2017 12:05 PM<br><b>To:</b> <a href="mailto:qgis-developer@lists.osgeo.org" target="_blank">qgis-developer@lists.osgeo.org</a><br><b>Cc:</b> <a href="mailto:engnfrc@gmail.com" target="_blank">engnfrc@gmail.com</a><br><b>Subject:</b> GRASS r.walk<o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Happy Thanksgiving Everyone!<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Who’s very familiar with GRASS r.walk? I’m finding some tutorials and man pages with examples but having trouble applying what I’ve found. I’m trying to create mobility models for use with lost person analytics.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Does is matter what format the input layers are in? Should they all be UTM since that’s in meters? Or is it smart enough to mix and match WGS84 and UTM layers? And along the same lines, does my DEM need to have cells in meters? Most of what I get comes native in WGS84 with altitudes in feet, so if I don’t need to add extra steps converting to UTM and cells to meters that’s a good thing.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>For the friction layer, the example on the man page appears to use landclass96 and only has 7 classifications… the NLCD 2011 land classification file I have has 30-40 classifications ranging from 11 to 95, does anyone have friction costs that can be applied to this data? Or at the very least some idea of the best method to use to come up with those values myself?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks!<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Josh Q<o:p></o:p></p></div></div><p class=MsoNormal><br>_______________________________________________<br>QGIS-Developer mailing list<br><a href="mailto:QGIS-Developer@lists.osgeo.org">QGIS-Developer@lists.osgeo.org</a><br>List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-developer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-developer</a><br>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-developer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-developer</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></div></div></div></body></html>