<div dir="ltr"><div>Hi Yang Zhang,<br><br></div>The links below might be helpful for your question.<br><br><a href="http://gis.stackexchange.com/questions/104286/pgrouting-calculating-route-from-point-to-point">http://gis.stackexchange.com/questions/104286/pgrouting-calculating-route-from-point-to-point</a><br><br><a href="http://gis.stackexchange.com/questions/54314/segment-lines-according-to-point-using-pgrouting">http://gis.stackexchange.com/questions/54314/segment-lines-according-to-point-using-pgrouting</a><br><div class="gmail_extra"><br></div><div class="gmail_extra">Best regards,<br></div><div class="gmail_extra">Bomp<br></div><div class="gmail_extra"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)">Dr.Sittichai Choosumrong</span></span></div><div><span style="color:rgb(102,102,102);background-color:rgb(243,243,243)">-------------------------</span><br></div><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)">Lecturer, </span></span><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)"><br>Geography and </span></span><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)">Geographic Information Science (GISci)<br></span><span style="background-color:rgb(243,243,243)"><span>Department of Natural Resources and Environment,</span></span></span></div><div><span style="color:rgb(102,102,102)">Faculty of Agriculture, Natural Resources and Environment</span><span style="color:rgb(102,102,102);background-color:rgb(243,243,243)">,</span><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)"><span><br></span></span></span></div><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)"><span></span></span>Naresuan University,</span><span style="color:rgb(102,102,102);background-color:rgb(243,243,243)"> Thailand 65000</span></div><div><span style="color:rgb(102,102,102);background-color:rgb(243,243,243)"><br></span></div><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)"><span>Office: +66 55 962753<br></span></span></span></div><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)"></span></span><span><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)">Mobile: +66 91-767-2963</span></span></span></div><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)">email: <a href="mailto:sittichaic@nu.ac.th" target="_blank">sittichaic@nu.ac.th</a><br></span></span></div><div><span style="color:rgb(102,102,102)"><span style="background-color:rgb(243,243,243)">■□■□■□■□■□■□■□■□■</span></span></div><div><br></div></div></div></div></div></div></div></div></div></div></div>
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