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</head><body lang="EN-ZA" vLink="purple" link="blue"><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">Hi Uazu<br>If you have ArcInfo make use of the Network Analyst extension, the steps are straightforward but you have to first of all create a network dataset from ArcCatalog using your line feature accomplished by using the Network Dataset Wizard, you can also check out different demos from www.esri.com/software/arcgis/extensions/networkanalyst/demos <br>All the best, not sure how you do it with the other GIS software you mentioned, do share if you get it.<br>Regards<br>Sandy<br></div></div><hr><span style="font-family: Tahoma,sans-serif; font-size: 10pt; font-weight: bold;">From: </span><span style="font-family: Tahoma,sans-serif; font-size: 10pt;">Ramashia, Kenneth</span><br><span style="font-family: Tahoma,sans-serif; font-size: 10pt; font-weight: bold;">Sent: </span><span style="font-family: Tahoma,sans-serif; font-size: 10pt;">2013/01/15 07:49</span><br><span style="font-family: Tahoma,sans-serif; font-size: 10pt; font-weight: bold;">To: </span><span style="font-family: Tahoma,sans-serif; font-size: 10pt;">Africa local chapter discussions</span><br><span style="font-family: Tahoma,sans-serif; font-size: 10pt; font-weight: bold;">Subject: </span><span style="font-family: Tahoma,sans-serif; font-size: 10pt;">Re: [OSGeo Africa] Travel Time Calculation</span><br><br>
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<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'>Hi<o:p></o:p></span></p>
<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'><o:p> </o:p></span></p>
<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'>Try to use Network Analyst extension tool.<o:p></o:p></span></p>
<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'><o:p> </o:p></span></p>
<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style='color: navy; font-family: "Verdana","sans-serif"; font-size: 9pt;' lang="EN-US">Kind Regards<o:p></o:p></span></b></p>
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<p class="MsoNormal"><b><span style='color: navy; font-family: "Verdana","sans-serif"; font-size: 9pt;' lang="EN-US"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style='color: navy; font-family: "Verdana","sans-serif"; font-size: 9pt;' lang="EN-US">Kenneth Ramashia<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style='color: navy; font-family: "Verdana","sans-serif"; font-size: 9pt;' lang="EN-US">GIS Specialist</span></b><span style='color: navy; font-family: "Verdana","sans-serif"; font-size: 9pt;' lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color: rgb(31, 73, 125);">"Progress is impossible without change, and those who cannot change their minds cannot change anything"</span></b><b><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif";'><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri","sans-serif"; font-size: 11pt;'><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style='font-family: "Tahoma","sans-serif"; font-size: 10pt;' lang="EN-US">From:</span></b><span style='font-family: "Tahoma","sans-serif"; font-size: 10pt;' lang="EN-US"> africa-bounces@lists.osgeo.org [mailto:africa-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Uazukuani<br>
<b>Sent:</b> 14 January 2013 04:21 PM<br>
<b>To:</b> Africa local chapter discussions<br>
<b>Subject:</b> [OSGeo Africa] Travel Time Calculation<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dear All<o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal"><o:p> </o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">I have a problem that I hope someone on this mailing list could assist with.
<o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">I want to calculate travel time from (each) VILLAGE to the nearest URBAN CENTER along the road network<b>.</b><o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">The output format could be text or GIS with at least 3 columns: 1. Village, 2. Nearest Urban Centre and 3. Travel Time.
<o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal"><o:p> </o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">I have 3 data sets: 1. Villages (Point), 2. Urban centers (Point) & 3. Roads (Polyline/line) for the whole country (Namibia).
<o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal"><o:p> </o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">I would appreciate if someone refers me to tutorials on this. <o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">I have access to PostGIS, QGIS and GvSIG, ArcInfo, GeoMedia Pro 6.x, MS SQL Server 2008 (Spatial) but am willing to try something else.<o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal"><o:p> </o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">Rgds,<o:p></o:p></p>
<p style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" class="MsoNormal">Uazu<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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