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<div><span class="562272214-14092010"><font size="2" face="Arial">Hi,</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial"></font></span> </div>
<div><span class="562272214-14092010"><font size="2" face="Arial">I have a bunch of data in NAD27 (lat, lon ascii files) that I would like to convert into NAD83.</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial">How can I do that easily with gdal?</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial"></font></span> </div>
<div><span class="562272214-14092010"><font size="2" face="Arial">Up to now I've tried it like this:</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial"></font></span> </div>
<div><span class="562272214-14092010"><font size="2" face="Arial">gdaltransform -s_srs NAD27 -t_srs NAD83 < nad27.txt > nad83.txt</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial"></font></span> </div>
<div><span class="562272214-14092010"><font size="2" face="Arial">using a nad27.txt that looks like that (tab separated):</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial"></font></span> </div>
<div><span class="562272214-14092010"><font size="2" face="Arial">71.9881 -80.7771<br>
71.9880 -80.7199<br>
71.8889 -80.9131<br>
71.8892 -80.9117<br>
71.9041 -80.8410</font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial"></font></span> </div>
<div><span class="562272214-14092010"><font size="2" face="Arial">but didn't go anywhere... a nad83.txt was created, but blank... </font></span></div>
<div><span class="562272214-14092010"><font size="2" face="Arial">what input format am I supposed to provide? (I tried comma separated among others...)</font></span></div>
<div><span class="562272214-14092010"> </span></div>
<div><font size="2" face="Arial"><span class="562272214-14092010">thanks in advance if you can help,</span></font></div>
<div><font size="2" face="Arial"><span class="562272214-14092010"></span></font> </div>
<div><font size="2" face="Arial"><span class="562272214-14092010"></span></font> </div>
<div><font size="2" face="Arial"><span class="562272214-14092010">S/</span></font></div>
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